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MESA VERDE
Environment of Mesa Verde, Colorado Wetherill Mesa Studies |
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Appendix
annual summaries of environment data
Station: M—1; elevation: 6,650 feet; site: Mesa top; year: 1962
| Month | Air temperature, degrees F. | Percent relative humidity | Solar radiation, G-cal./sq. cm. |
Wind | ||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Total miles | Velocity m.p.h. | |||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Total | Mean | |||||
| January | 46 | -2 | 37 | 13 | 25.3 | 100 | 20 | 93 | 33 | 63.2 | -- | -- | 4,224 | 5.7 |
| February | 58 | -3 | 43 | 23 | 33.1 | 100 | 15 | 94 | 34 | 63.9 | -- | -- | 3,345 | 5.0 |
| March | 65 | 5 | 45 | 22 | 33.7 | 100 | 8 | 73 | 23 | 47.9 | -- | -- | 4,594 | 6.2 |
| April | 80 | 26 | 67 | 36 | 51.5 | 100 | 2 | 56 | 12 | 34.1 | -- | -- | 5,006 | 7.0 |
| May | 83 | 24 | 71 | 40 | 55.7 | 100 | 1 | 46 | 9 | 27.3 | -- | -- | 5,254 | 7.0 |
| June | 95 | 41 | 84 | 49 | 66.7 | 100 | 2 | 36 | 8 | 22.4 | -- | -- | 4,915 | 6.8 |
| July | 97 | 46 | 89 | 56 | 72.9 | 100 | 2 | 51 | 11 | 31.1 | -- | -- | 4,544 | 6.1 |
| August | 98 | 40 | 89 | 54 | 71.6 | 100 | 2 | 44 | 12 | 27.9 | -- | -- | 4,810 | 6.4 |
| September | 90 | 36 | 77 | 49 | 63.5 | 100 | 8 | 65 | 23 | 44.1 | -- | -- | 4,319 | 6.0 |
| October | 76 | 36 | 67 | 41 | 53.6 | 100 | 2 | 70 | 19 | 44.4 | -- | -- | 4,272 | 5.7 |
| November | 67 | 16 | 55 | 32 | 43.4 | 100 | 4 | 69 | 26 | 47.7 | -- | -- | 3,831 | 5.4 |
| December | 57 | 0 | 44 | 22 | 32.9 | 100 | 16 | 91 | 36 | 63.4 | -- | -- | 3,674 | 4.9 |
| Year | 98 | -3 | 64 | 36 | 50.0 | 100 | 1 | 66 | 21 | 43.1 | -- | -- | 52,788 | 6.0 |
| Month | Precipitation in inches water |
Soil temperature, degrees Fahrenheit | ||||||||||||||
| 2-inch depth | 6-inch depth | 12-inch depth | ||||||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Extreme | Mean | Mean | ||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |||||
| January | 0.25 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| February | .35 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| March | .80 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| April | .47 | 88 | 37 | 78 | 47 | 62.5 | 69 | 48 | 64 | 53 | 58.4 | 62 | 52 | 59 | 55 | 56.5 |
| May | .20 | 97 | 36 | 86 | 51 | 68.4 | 75 | 47 | 69 | 58 | 63.3 | 68 | 50 | 63 | 59 | 61.1 |
| June | .09 | 116 | 52 | 104 | 62 | 83.1 | 88 | 59 | 81 | 69 | 74.6 | 80 | 60 | 73 | 69 | 71.1 |
| July | .30 | 117 | 62 | 110 | 69 | 89.5 | 90 | 72 | 86 | 76 | 81.2 | 82 | 74 | 80 | 76 | 78.3 |
| August | .28 | 120 | 59 | 110 | 67 | 88.9 | 92 | 71 | 87 | 76 | 81.5 | 84 | 73 | 81 | 77 | 78.9 |
| September | 1.95 | 110 | 41 | 94 | 58 | 75.8 | 85 | 50 | 77 | 66 | 71.6 | 78 | 56 | 73 | 69 | 71.1 |
| October | 2.38 | 83 | 41 | 75 | 46 | 60.3 | 71 | 49 | 64 | 53 | 58.4 | 65 | 55 | 61 | 58 | 59.4 |
| November | 1.30 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| December | .80 | 32 | 22 | 29 | 25 | 26.9 | 32 | 26 | 30 | 27 | 28.4 | 34 | 27 | 32 | 29 | 30.2 |
| Year | 9.17 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
NOTE.—Italic figures represent a sample size of lees than 28 days.
Station: M—1; elevation: 6,650 feet; site: Mesa top; year: 1963
| Month | Air temperature, degrees F. | Percent relative humidity | Solar radiation, G-cal./sq. cm. |
Wind | ||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Total miles | Velocity m.p.h. | |||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Total | Mean | |||||
| January | 44 | -23 | 34 | 11 | 22.3 | 100 | 11 | 90 | 47 | 68.5 | -- | -- | 3,277 | 4.4 |
| February | 61 | 2 | 46 | 24 | 35.3 | 100 | 12 | 88 | 35 | 61.5 | -- | -- | 3,636 | 5.5 |
| March | 66 | 8 | 50 | 25 | 37.8 | 100 | 7 | 79 | 21 | 49.6 | -- | -- | 4,926 | 6.6 |
| April | 76 | 16 | 59 | 29 | 44.2 | 100 | 4 | 69 | 20 | 44.7 | -- | -- | 5,268 | 7.3 |
| May | 84 | 29 | 77 | 44 | 60.5 | 100 | 6 | 46 | 12 | 29.1 | -- | -- | 4,826 | 6.5 |
| June | 95 | 36 | 83 | 48 | 65.3 | 100 | 7 | 53 | 17 | 35.1 | -- | -- | 4,945 | 6.9 |
| July | 97 | 52 | 91 | 59 | 75.0 | 100 | 8 | 60 | 18 | 38.8 | -- | -- | 4,372 | 5.9 |
| August | 92 | 52 | 83 | 57 | 69.8 | 100 | 13 | 91 | 26 | 58.7 | -- | -- | 3,806 | 5.1 |
| September | 86 | 46 | 81 | 52 | 66.4 | 100 | 11 | 73 | 20 | 46.8 | -- | -- | 4,009 | 5.5 |
| October | 84 | 30 | 71 | 43 | 57.0 | 100 | 12 | 63 | 26 | 44.5 | -- | -- | 4,072 | 5.5 |
| November | 64 | 16 | 53 | 29 | 30 | 59.5 | -- | -- | 4,836 | 6.7 | 40.9 | 100 | 16 | 89 |
| December | 52 | 2 | 41 | 17 | 28.8 | 100 | 12 | 86 | 36 | 60.9 | -- | -- | 3,668 | 4.9 |
| Year | 97 | -23 | 64 | 37 | 50.3 | 100 | 4 | 74 | 26 | 49.8 | -- | -- | 51,641 | 5.9 |
| Month | Precipitation in inches water |
Soil temperature, degrees Fahrenheit | ||||||||||||||
| 2-inch depth | 6-inch depth | 12-inch depth | ||||||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Extreme | Mean | Mean | ||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |||||
| January | 1.50 | 34 | 22 | 31 | 28 | 29.1 | 33 | 25 | 31 | 28 | 29.6 | 35 | 26 | 33 | 30 | 31.1 |
| February | 1.20 | 51 | 29 | 38 | 33 | 35.1 | 40 | 29 | 35 | 32 | 33.6 | 39 | 30 | 36 | 33 | 34.9 |
| March | .85 | 70 | 30 | 51 | 36 | 43.4 | 57 | 31 | 43 | 37 | 40.1 | 52 | 33 | 42 | 39 | 40.2 |
| April | .48 | 78 | 34 | 67 | 45 | 55.6 | 64 | 40 | 57 | 49 | 52.9 | 59 | 43 | 54 | 50 | 52.2 |
| May | .06 | 98 | 51 | 88 | 60 | 73.9 | 80 | 55 | 74 | 64 | 68.9 | 70 | 56 | 66 | 62 | 63.9 |
| June | .02 | 115 | 55 | 101 | 65 | 83.1 | 92 | 64 | 82 | 71 | 76.4 | 78 | 61 | 72 | 67 | 69.3 |
| July | 2.25 | 115 | 66 | 107 | 75 | 90.6 | 96 | 71 | 91 | 80 | 85.4 | 84 | 70 | 80 | 76 | 78.1 |
| August | 3.96 | 112 | 61 | 99 | 69 | 84.0 | 94 | 66 | 86 | 75 | 80.3 | 83 | 65 | 77 | 73 | 74.9 |
| September | .72 | 101 | 55 | 93 | 62 | 77.3 | 85 | 62 | 79 | 67 | 73.3 | 74 | 62 | 70 | 66 | 68.4 |
| October | 1.55 | 91 | 37 | 76 | 49 | 62.4 | 75 | 44 | 64 | 55 | 59.1 | 68 | 46 | 59 | 56 | 57.4 |
| November | .79 | 57 | 28 | 48 | 33 | 40.5 | 48 | 30 | 42 | 37 | 39.6 | 45 | 30 | 41 | 38 | 39.4 |
| December | .50 | 32 | 19 | 28 | 24 | 25.9 | 32 | 23 | 28 | 25 | 26.5 | 33 | 23 | 28 | 25 | 26.6 |
| Year | 13.88 | 115 | 19 | 69 | 48 | 58.4 | 96 | 23 | 59 | 52 | 55.5 | 84 | 23 | 55 | 51 | 53.0 |
NOTE—Italic figures represent a sample size of less than 28 days.
Station: M—2; elevation: 7,150 feet; site: Mesa top; year: 1962
| Month | Air temperature, degrees F. | Percent relative humidity | Solar radiation, G-cal./sq. cm. |
Wind | ||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Total miles | Velocity m.p.h. | |||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Total | Mean | |||||
| January | 52 | -11 | 38 | 13 | 25.6 | 100 | 20 | 94 | 35 | 64.8 | -- | -- | 3,994 | 5.4 |
| February | 56 | -10 | 42 | 21 | 31.3 | 100 | 22 | 92 | 37 | 64.3 | -- | -- | 3,129 | 4.7 |
| March | 63 | 2 | 45 | 21 | 32.6 | 100 | 16 | 81 | 28 | 54.8 | -- | -- | 4,317 | 5.8 |
| April | 78 | 24 | 64 | 34 | 49.2 | 100 | 12 | 70 | 22 | 46.1 | -- | -- | 4,331 | 6.0 |
| May | 78 | 23 | 68 | 38 | 52.8 | 100 | 5 | 62 | 20 | 40.7 | 20,874 | 673 | 4,155 | 5.6 |
| June | 91 | 38 | 80 | 47 | 63.9 | 100 | 10 | 54 | 18 | 36.0 | 22,100 | 737 | 3,947 | 5.5 |
| July | 91 | 48 | 84 | 54 | 69.1 | 100 | 10 | 68 | 19 | 43.8 | 20,320 | 655 | 1,822 | 4.2 |
| August | 94 | 46 | 86 | 55 | 70.2 | 100 | 10 | 59 | 21 | 40.0 | 19,950 | 644 | 3,652 | 4.9 |
| September | 86 | 38 | 75 | 49 | 61.7 | 100 | 17 | 77 | 32 | 54.9 | 14,423 | 481 | 3,692 | 5.1 |
| October | 74 | 34 | 64 | 39 | 51.5 | 100 | 15 | 91 | 34 | 62.8 | 11,542 | 372 | 3,431 | 4.6 |
| November | 63 | 13 | 52 | 30 | 41.1 | 100 | 10 | 86 | 36 | 60.9 | 7,022 | 234 | 3,331 | 4.6 |
| December | 53 | -2 | 44 | 20 | 31.7 | 100 | 18 | 89 | 34 | 61.7 | 6,502 | 210 | 3,049 | 4.1 |
| Year | 94 | -11 | 62 | 35 | 48.5 | 100 | 5 | 77 | 28 | 52.5 | -- | -- | 42,850 | 5.0 |
| Month | Precipitation in inches water |
Soil temperature, degrees Fahrenheit | ||||||||||||||
| 2-inch depth | 6-inch depth | 12-inch depth | ||||||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Extreme | Mean | Mean | ||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |||||
| January | .75 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| February | 2.70 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| March | 1.30 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| April | .65 | 84 | 32 | 75 | 42 | 58.9 | 68 | 42 | 63 | 49 | 55.8 | 61 | 49 | 58 | 53 | 55.1 |
| May | .87 | 93 | 33 | 83 | 46 | 64.2 | 76 | 43 | 67 | 53 | 60.1 | 68 | 49 | 62 | 57 | 59.8 |
| June | .20 | 111 | 47 | 100 | 59 | 79.6 | 86 | 53 | 80 | 65 | 72.5 | 81 | 58 | 74 | 69 | 71.8 |
| July | 1.03 | 113 | 60 | 104 | 65 | 84.9 | 87 | 65 | 82 | 69 | 75.5 | 82 | 72 | 80 | 75 | 77.3 |
| August | .23 | 114 | 56 | 106 | 65 | 85.6 | 86 | 61 | 81 | 67 | 74.4 | 84 | 72 | 80 | 76 | 78.0 |
| September | 2.33 | 107 | 42 | 90 | 55 | 72.4 | 77 | 41 | 68 | 55 | 61.8 | 77 | 54 | 71 | 67 | 68.7 |
| October | 2.74 | 82 | 34 | 70 | 39 | 54.4 | 59 | 33 | 50 | 38 | 44.1 | 62 | 45 | 55 | 50 | 52.6 |
| November | 1.70 | 64 | 25 | 48 | 30 | 39.0 | 45 | 20 | 34 | 26 | 29.8 | 50 | 30 | 41 | 38 | 39.5 |
| December | 1.30 | 42 | 24 | 34 | 27 | 30.1 | 34 | 17 | 29 | 25 | 26.8 | 35 | 23 | 31 | 28 | 29.6 |
| Year | 15.80 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
NOTE—Italic figures represent a sample size of less than 28 days.
Station: M—2; elevation: 7,150 feet; site: Mesa top; year: 1963
| Month | Air temperature, degrees F. | Percent relative humidity | Solar radiation, G-cal./sq. cm. |
Wind | ||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Total miles | Velocity m.p.h. | |||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Total | Mean | |||||
| January | 44 | -26 | 32 | 8 | 20.3 | 100 | 21 | 93 | 43 | 67.9 | 5,494 | 177 | 3,156 | 4.2 |
| February | 58 | 2 | 45 | 23 | 33.6 | 100 | 18 | 90 | 38 | 64.1 | 8,165 | 292 | 3,397 | 5.1 |
| March | 63 | 12 | 47 | 24 | 35.4 | 100 | 15 | 84 | 29 | 56.7 | 13,264 | 428 | 4,516 | 6.1 |
| April | 70 | 15 | 55 | 28 | 41.5 | 100 | 8 | 73 | 25 | 48.9 | 16,489 | 550 | 4,687 | 6.5 |
| May | 77 | 31 | 72 | 41 | 56.2 | 92 | 8 | 51 | 15 | 33.0 | 20,992 | 677 | 4,335 | 5.9 |
| June | 90 | 35 | 79 | 45 | 62.0 | 96 | 9 | 55 | 19 | 36.9 | 20,311 | 677 | 4,394 | 6.1 |
| July | 93 | 50 | 86 | 56 | 71.1 | 98 | 10 | 63 | 19 | 41.2 | 20,286 | 654 | 4,073 | 5.5 |
| August | 88 | 50 | 79 | 54 | 66.6 | 91 | 12 | 83 | 27 | 54.9 | 15,943 | 514 | 3,476 | 4.7 |
| September | 83 | 44 | 78 | 49 | 63.6 | 100 | 14 | 76 | 24 | 50.0 | 15,649 | 522 | 3,441 | 4.8 |
| October | 82 | 29 | 68 | 41 | 54.5 | 100 | 16 | 72 | 31 | 51.6 | 11,080 | 357 | 3,406 | 4.6 |
| November | 62 | 17 | 52 | 28 | 39.9 | 100 | 20 | 91 | 34 | 62.4 | 7,266 | 242 | 4,092 | 5.6 |
| December | 51 | 4 | 41 | 17 | 29.1 | 100 | 18 | 86 | 34 | 60.2 | 6,754 | 218 | 3,017 | 4.1 |
| Year | 93 | -26 | 61 | 34 | 47.8 | 100 | 8 | 76 | 28 | 52.3 | 161,693 | 442 | 45,990 | 5.3 |
| Month | Precipitation in inches water |
Soil temperature, degrees Fahrenheit | ||||||||||||||
| 2-inch depth | 6-inch depth | 12-inch depth | ||||||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Extreme | Mean | Mean | ||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |||||
| January | 1.60 | 32 | 22 | 29 | 26 | 27.6 | 32 | 25 | 30 | 27 | 28.7 | 35 | 23 | 33 | 28 | 30.4 |
| February | 1.35 | 51 | 27 | 36 | 29 | 32.7 | 40 | 28 | 34 | 30 | 31.8 | 37 | 29 | 35 | 31 | 33.0 |
| March | .95 | 75 | 25 | 52 | 32 | 41.7 | 59 | 29 | 43 | 34 | 38.2 | 52 | 31 | 40 | 37 | 38.4 |
| April | .54 | 82 | 30 | 69 | 39 | 53.9 | 64 | 35 | 57 | 44 | 50.2 | 59 | 40 | 53 | 48 | 50.5 |
| May | .12 | 107 | 45 | 96 | 55 | 75.6 | 81 | 50 | 74 | 60 | 67.0 | 75 | 54 | 69 | 64 | 66.5 |
| June | .07 | 120 | 48 | 107 | 61 | 84.0 | 91 | 57 | 82 | 67 | 74.2 | 85 | 65 | 77 | 72 | 74.5 |
| July | 2.13 | 120 | 58 | 107 | 69 | 87.8 | 92 | 63 | 86 | 71 | 78.7 | 87 | 71 | 83 | 78 | 80.5 |
| August | 4.54 | 118 | 58 | 96 | 64 | 80.0 | 90 | 58 | 78 | 66 | 71.9 | 87 | 67 | 78 | 74 | 76.0 |
| September | .59 | 97 | 52 | 92 | 58 | 74.9 | 77 | 54 | 72 | 59 | 65.8 | 75 | 61 | 71 | 66 | 68.4 |
| October | 1.77 | 96 | 36 | 77 | 48 | 62.7 | 72 | 38 | 60 | 49 | 54.2 | 68 | 45 | 58 | 54 | 56.4 |
| November | .88 | 61 | 24 | 48 | 31 | 39.8 | 46 | 23 | 37 | 30 | 33.6 | 46 | 29 | 39 | 36 | 37.6 |
| December | .50 | 36 | 17 | 33 | 26 | 29.5 | 33 | 16 | 29 | 25 | 27.4 | 36 | 24 | 32 | 28 | 30.1 |
| Year | 15.04 | 120 | 17 | 70 | 45 | 57.5 | 92 | 16 | 57 | 47 | 51.8 | 87 | 23 | 56 | 51 | 53.5 |
NOTE.—Italic figures represent a sample size of less than 28 days.
Station: M—3; elevation: 8,575 feet; site: Mesa top; year: 1962
| Month | Air temperature, degrees F. | Percent relative humidity | Solar radiation, G-cal./sq. cm. |
Wind | ||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Total miles | Velocity m.p.h. | |||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Total | Mean | |||||
| January | 50 | -5 | 31 | 16 | 23.6 | 100 | 23 | 85 | 38 | 61.5 | -- | -- | 9,148 | 12.3 |
| February | 50 | 1 | 34 | 22 | 28.3 | 100 | 21 | 86 | 50 | 67.9 | -- | -- | 7,826 | 11.6 |
| March | 55 | 4 | 34 | 19 | 26.5 | 100 | 17 | 70 | 34 | 51.8 | -- | -- | 8,810 | 11.8 |
| April | 68 | 18 | 54 | 35 | 44.7 | 100 | 12 | 64 | 25 | 44.5 | -- | -- | 7,916 | 11.0 |
| May | 70 | 27 | 59 | 40 | 49.5 | 100 | 9 | 54 | 24 | 39.0 | -- | -- | 8,304 | 11.1 |
| June | 81 | 35 | 70 | 49 | 59.5 | 100 | 14 | 47 | 22 | 34.7 | -- | -- | 7,427 | 10.2 |
| July | 84 | 47 | 77 | 55 | 65.6 | 100 | 17 | 67 | 26 | 46.6 | -- | -- | 7,167 | 9.6 |
| August | 88 | 47 | 78 | 55 | 66.5 | 100 | 12 | 55 | 23 | 39.2 | -- | -- | 4,835 | 10.1 |
| September | 79 | 37 | 68 | 49 | 58.0 | 100 | 16 | 74 | 34 | 53.6 | -- | -- | 6,506 | 9.0 |
| October | 66 | 33 | 57 | 41 | 48.9 | 100 | 14 | 71 | 33 | 52.3 | -- | -- | 6,376 | 8.6 |
| November | 58 | 12 | 44 | 31 | 37.7 | 100 | 18 | 71 | 45 | 58.0 | -- | -- | 6,802 | 9.5 |
| December | 48 | 0 | 36 | 23 | 29.8 | 100 | 20 | 74 | 42 | 58.6 | -- | -- | 6,134 | 8.2 |
| Year | 88 | -5 | 54 | 36 | 44.9 | 100 | 9 | 68 | 33 | 50.6 | -- | -- | 87,251 | 10.3 |
| Month | Precipitation in inches water |
Soil temperature, degrees Fahrenheit | ||||||||||||||
| 2-inch depth | 6-inch depth | 12-inch depth | ||||||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Extreme | Mean | Mean | ||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |||||
| January | 0.75 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| February | 2.80 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| March | 1.50 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| April | .39 | 72 | 29 | 63 | 40 | 51.3 | 59 | 36 | 53 | 45 | 48.9 | 54 | 39 | 49 | 45 | 47.0 |
| May | .93 | 79 | 33 | 68 | 44 | 55.7 | 67 | 39 | 58 | 48 | 53.0 | 59 | 40 | 53 | 49 | 50.9 |
| June | 1.03 | 103 | 42 | 87 | 56 | 71.6 | 81 | 47 | 72 | 61 | 66.4 | 72 | 49 | 64 | 61 | 62.7 |
| July | 2.02 | 104 | 55 | 95 | 62 | 78.7 | 83 | 63 | 78 | 68 | 72.9 | 74 | 64 | 71 | 68 | 69.7 |
| August | 1.97 | 105 | 52 | 95 | 61 | 77.9 | 85 | 60 | 79 | 67 | 73.2 | 76 | 63 | 72 | 69 | 70.2 |
| September | 2.13 | 96 | 38 | 80 | 53 | 66.3 | 77 | 45 | 68 | 59 | 63.4 | 69 | 48 | 63 | 60 | 61.8 |
| October | 2.94 | 76 | 34 | 64 | 39 | 51.7 | 64 | 38 | 56 | 44 | 50.2 | 56 | 41 | 51 | 47 | 48.8 |
| November | 1.50 | 64 | 30 | 48 | 33 | 40.3 | 54 | 31 | 43 | 37 | 39.9 | 48 | 32 | 41 | 38 | 39.4 |
| December | .90 | 41 | 24 | 32 | 28 | 29.8 | 35 | 26 | 31 | 29 | 30.4 | 33 | 26 | 31 | 29 | 30.2 |
| Year | 18.86 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
NOTE—Italic figures represent a sample size of less than 28 days.
Station: M—3; elevation: 8,575 feet; site: Mesa top; year: 1963
| Month | Air temperature, degrees F. | Percent relative humidity | Solar radiation, G-cal./sq. cm. |
Wind | ||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Total miles | Velocity m.p.h. | |||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Total | Mean | |||||
| January | 44 | -20 | 30 | 15 | 22.5 | 100 | 23 | 82 | 50 | 65.7 | -- | -- | 7,372 | 9.9 |
| February | 46 | 20 | 39 | 28 | 33.5 | 100 | 34 | 82 | 51 | 66.4 | -- | -- | 6,208 | 9.2 |
| March | 54 | 5 | 38 | 21 | 29.6 | 100 | 19 | 77 | 33 | 55.0 | -- | -- | 7,271 | 9.8 |
| April | 66 | 13 | 49 | 28 | 38.5 | 100 | 15 | 69 | 30 | 49.9 | -- | -- | 7,722 | 10.7 |
| May | 72 | 32 | 66 | 46 | 55.7 | 100 | 16 | 48 | 25 | 36.3 | -- | -- | 7,326 | 9.9 |
| June | 82 | 38 | 70 | 49 | 59.8 | 100 | 16 | 55 | 27 | 40.9 | -- | -- | 7,341 | 10.2 |
| July | 86 | 50 | 79 | 58 | 68.3 | 100 | 16 | 63 | 28 | 45.4 | -- | -- | 5,981 | 8.1 |
| August | 82 | 45 | 71 | 52 | 61.7 | 100 | 24 | 92 | 41 | 66.2 | -- | -- | 5,919 | 7.9 |
| September | 75 | 44 | 69 | 51 | 60.4 | 100 | 17 | 71 | 33 | 51.6 | -- | -- | 5,752 | 8.0 |
| October | 74 | 29 | 61 | 45 | 52.6 | 100 | 20 | 63 | 37 | 50.2 | -- | -- | 3,814 | 7.5 |
| November | 57 | 20 | 45 | 31 | 38.2 | 100 | 13 | 79 | 38 | 58.6 | -- | -- | 4,468 | 8.5 |
| December | 46 | 11 | 37 | 23 | 29.8 | 100 | 20 | 75 | 38 | 56.6 | -- | -- | 6,678 | 8.9 |
| Year | 86 | -20 | 55 | 37 | 45.9 | 100 | 13 | 71 | 36 | 53.6 | -- | -- | 75,852 | 9.1 |
| Month | Precipitation in inches water |
Soil temperature, degrees Fahrenheit | ||||||||||||||
| 2-inch depth | 6-inch depth | 12-inch depth | ||||||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Extreme | Mean | Mean | ||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |||||
| January | 1.30 | 31 | 23 | 28 | 27 | 27.5 | 32 | 25 | 30 | 28 | 29.1 | 34 | 25 | 31 | 29 | 29.9 |
| February | 1.20 | 34 | 26 | 31 | 30 | 30.4 | 35 | 28 | 32 | 31 | 31.4 | 35 | 28 | 33 | 31 | 32.1 |
| March | 1.00 | 64 | 24 | 38 | 29 | 33.2 | 51 | 27 | 34 | 31 | 32.6 | 45 | 28 | 34 | 32 | 33.0 |
| April | .55 | 73 | 28 | 59 | 35 | 47.1 | 59 | 32 | 50 | 40 | 45.2 | 53 | 35 | 46 | 42 | 44.1 |
| May | .16 | 95 | 42 | 83 | 52 | 67.5 | 76 | 46 | 69 | 57 | 63.1 | 68 | 48 | 62 | 59 | 60.6 |
| June | .07 | 111 | 45 | 96 | 58 | 76.8 | 89 | 55 | 77 | 65 | 71.2 | 79 | 59 | 71 | 67 | 69.1 |
| July | 1.97 | 110 | 55 | 99 | 64 | 81.8 | 90 | 61 | 83 | 70 | 76.7 | 81 | 66 | 77 | 73 | 75.3 |
| August | 7.62 | 110 | 54 | 90 | 59 | 74.5 | 87 | 58 | 77 | 65 | 70.7 | 80 | 63 | 72 | 68 | 70.3 |
| September | .45 | 99 | 49 | 90 | 55 | 72.9 | 79 | 56 | 74 | 61 | 67.8 | 71 | 61 | 69 | 65 | 66.6 |
| October | 2.70 | 100 | 36 | 82 | 47 | 64.5 | 77 | 43 | 65 | 54 | 59.9 | 70 | 49 | 61 | 58 | 59.8 |
| November | 1.04 | 66 | 24 | 47 | 31 | 39.2 | 54 | 32 | 42 | 36 | 38.8 | 49 | 34 | 42 | 39 | 40.5 |
| December | .75 | 44 | 24 | 40 | 27 | 33.6 | 36 | 29 | 34 | 31 | 32.7 | 36 | 32 | 35 | 34 | 34.6 |
| Year | 18.81 | 111 | 23 | 65 | 43 | 54.1 | 90 | 25 | 56 | 47 | 51.6 | 81 | 25 | 53 | 50 | 51.3 |
NOTE—Italic figures represent a sample size of less than 28 days.
Station: C—1; elevation: 6,500 feet; site: Canyon slope, southwest-facing; year: 1962
| Month | Air temperature, degrees F. | Percent relative humidity | Solar radiation, G-cal./sq. cm. |
Wind | ||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Total miles | Velocity m.p.h. | |||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Total | Mean | |||||
| January | 48 | -2 | 39 | 16 | 27.6 | 94 | 24 | 84 | 36 | 59.9 | -- | -- | -- | -- |
| February | 58 | -2 | 44 | 23 | 33.4 | 90 | 22 | 84 | 37 | 60.7 | -- | -- | -- | -- |
| March | 70 | 5 | 47 | 22 | 34.4 | 92 | 12 | 75 | 26 | 50.5 | -- | -- | -- | -- |
| April | 80 | 27 | 67 | 36 | 41.4 | -- | -- | -- | -- | 51.5 | 93 | 10 | 64 | 19 |
| May | 84 | 27 | 71 | 40 | 55.5 | 93 | 4 | 57 | 17 | 36.9 | -- | -- | -- | -- |
| June | 92 | 53 | 88 | 55 | 71.4 | 100 | 22 | 86 | 29 | 57.3 | -- | -- | -- | -- |
| July | 95 | 51 | 89 | 55 | 72.0 | 100 | 10 | 68 | 21 | 44.9 | -- | -- | -- | -- |
| August | 97 | 46 | 89 | 55 | 72.0 | 100 | 8 | 59 | 20 | 39.8 | -- | -- | -- | -- |
| September | 90 | 38 | 78 | 49 | 63.7 | 100 | 14 | 72 | 32 | 51.9 | -- | -- | -- | -- |
| October | 78 | 35 | 68 | 40 | 53.7 | 100 | 14 | 88 | 32 | 60.0 | -- | -- | -- | -- |
| November | 68 | 17 | 56 | 31 | 43.6 | 100 | 20 | 85 | 32 | 61.6 | -- | -- | -- | -- |
| December | 58 | 3 | 46 | 22 | 33.8 | 96 | 21 | 85 | 37 | 61.2 | -- | -- | -- | -- |
| Year | 97 | -2 | 65 | 37 | 51.1 | 100 | 4 | 76 | 29 | 52.2 | -- | -- | -- | -- |
| Month | Precipitation in inches water |
Soil temperature, degrees Fahrenheit | ||||||||||||||
| 2-inch depth | 6-inch depth | 12-inch depth | ||||||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Extreme | Mean | Mean | ||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |||||
| January | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| February | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| March | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| April | -- | 77 | 43 | 69 | 50 | 59.4 | 63 | 49 | 59 | 53 | 56.2 | 59 | 50 | 56 | 53 | 54.5 |
| May | -- | 82 | 43 | 71 | 53 | 62.0 | 69 | 48 | 62 | 56 | 59.2 | 64 | 49 | 59 | 56 | 57.6 |
| June | -- | 92 | 52 | 84 | 63 | 73.1 | 79 | 56 | 72 | 65 | 68.7 | 75 | 56 | 69 | 64 | 66.5 |
| July | -- | 94 | 66 | 89 | 70 | 79.4 | 82 | 69 | 78 | 72 | 75.1 | 77 | 69 | 76 | 72 | 73.7 |
| August | -- | 98 | 64 | 92 | 71 | 81.6 | 83 | 71 | 80 | 74 | 77.1 | 81 | 71 | 78 | 74 | 76.0 |
| September | -- | 100 | 48 | 85 | 63 | 74.3 | 79 | 55 | 74 | 68 | 70.9 | 77 | 60 | 73 | 70 | 71.1 |
| October | -- | 84 | 42 | 73 | 48 | 60.9 | 69 | 49 | 62 | 55 | 58.4 | 66 | 53 | 61 | 58 | 59.4 |
| November | -- | 72 | 38 | 65 | 43 | 53.9 | 59 | 46 | 55 | 49 | 52.0 | 53 | 49 | 53 | 49 | 50.9 |
| December | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Year | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
NOTE—Italic figures represent a sample size of less than 28 days.
Station: C—1; elevation: 6,500 feet; site: Canyon slope, southwest-facing, year: 1963
| Month | Air temperature, degrees F. | Percent relative humidity | Solar radiation, G-cal./sq. cm. |
Wind | ||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Total miles | Velocity m.p.h. | |||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Total | Mean | |||||
| January | 48 | -20 | 34 | 10 | 21.8 | 100 | 22 | 89 | 45 | 66.9 | -- | -- | -- | -- |
| February | 65 | 3 | 48 | 24 | 36.4 | 100 | 18 | 90 | 38 | 63.9 | -- | -- | -- | -- |
| March | 68 | 13 | 52 | 25 | 38.4 | 100 | 14 | 84 | 28 | 55.8 | -- | -- | -- | -- |
| April | 74 | 17 | 59 | 30 | 44.5 | 100 | 10 | 62 | 21 | 41.2 | -- | -- | -- | -- |
| May | 84 | 32 | 77 | 43 | 60.1 | 81 | 4 | 45 | 12 | 28.7 | -- | -- | -- | -- |
| June | 95 | 37 | 82 | 48 | 65.3 | 84 | 6 | 45 | 15 | 29.8 | -- | -- | -- | -- |
| July | 98 | 54 | 92 | 59 | 75.0 | 84 | 8 | 56 | 16 | 36.5 | -- | -- | -- | -- |
| August | 92 | 52 | 84 | 56 | 69.8 | 82 | 10 | 74 | 23 | 48.5 | -- | -- | -- | -- |
| September | 89 | 47 | 83 | 52 | 67.3 | 100 | 14 | 74 | 24 | 49.0 | -- | -- | -- | -- |
| October | 85 | 32 | 72 | 44 | 57.6 | 100 | 17 | 69 | 31 | 49.8 | -- | -- | -- | -- |
| November | 67 | 18 | 55 | 30 | 42.3 | 100 | 22 | 86 | 34 | 60.2 | -- | -- | -- | -- |
| December | 54 | 5 | 43 | 18 | 30.3 | 100 | 20 | 83 | 37 | 60.0 | -- | -- | -- | -- |
| Year | 98 | -20 | 65 | 37 | 50.7 | 100 | 4 | 71 | 27 | 49.2 | -- | -- | -- | -- |
| Month | Precipitation in inches water |
Soil temperature, degrees Fahrenheit | ||||||||||||||
| 2-inch depth | 6-inch depth | 12-inch depth | ||||||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Extreme | Mean | Mean | ||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |||||
| January | -- | 33 | 25 | 31 | 28 | 29.5 | 33 | 26 | 32 | 29 | 30.3 | 35 | 25 | 33 | 29 | 30.9 |
| February | -- | 59 | 29 | 46 | 33 | 39.3 | 43 | 31 | 38 | 34 | 36.3 | 42 | 31 | 38 | 35 | 36.1 |
| March | -- | 65 | 31 | 51 | 37 | 43.9 | 52 | 33 | 43 | 38 | 40.6 | 49 | 34 | 41 | 38 | 39.7 |
| April | -- | 68 | 37 | 59 | 44 | 51.8 | 56 | 41 | 51 | 46 | 48.9 | 53 | 41 | 49 | 46 | 47.6 |
| May | -- | 80 | 49 | 75 | 58 | 66.4 | 70 | 50 | 65 | 59 | 61.8 | 67 | 49 | 62 | 58 | 60.0 |
| June | -- | 92 | 55 | 82 | 64 | 72.7 | 78 | 59 | 71 | 65 | 68.0 | 75 | 60 | 69 | 64 | 66.6 |
| July | -- | 97 | 61 | 89 | 69 | 78.9 | 83 | 66 | 79 | 72 | 75.5 | 80 | 67 | 76 | 72 | 74.1 |
| August | -- | 96 | 61 | 88 | 67 | 77.1 | 82 | 65 | 76 | 70 | 73.1 | 80 | 67 | 75 | 71 | 73.1 |
| September | -- | 93 | 57 | 89 | 64 | 76.2 | 78 | 62 | 75 | 67 | 71.1 | 75 | 65 | 73 | 69 | 70.7 |
| October | -- | 92 | 46 | 78 | 55 | 66.5 | 75 | 52 | 66 | 60 | 63.3 | 73 | 55 | 66 | 62 | 64.1 |
| November | -- | 68 | 32 | 57 | 39 | 48.0 | 56 | 38 | 50 | 45 | 47.2 | 56 | 41 | 51 | 47 | 49.0 |
| December | -- | 52 | 25 | 38 | 30 | 33.8 | 44 | 30 | 37 | 34 | 35.2 | 45 | 32 | 39 | 36 | 37.3 |
| Year | -- | 97 | 25 | 65 | 49 | 57.0 | 83 | 26 | 57 | 52 | 54.3 | 80 | 25 | 56 | 52 | 54.1 |
NOTE —Italic figures represent a sample size of less than 28 days.
Station: C—2; elevation: 6,382 feet; site: Canyon bottom; year: 1962
| Month | Air temperature, degrees F. | Percent relative humidity | Solar radiation, G-cal./sq. cm. |
Wind | ||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Total miles | Velocity m.p.h. | |||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Total | Mean | |||||
| January | 47 | -7 | 38 | 8 | 23.1 | 100 | 24 | 94 | 36 | 65.0 | -- | -- | 1,283 | 1.7 |
| February | 57 | -8 | 44 | 19 | 31.2 | 96 | 18 | 91 | 37 | 64.1 | -- | -- | 953 | 1.4 |
| March | 67 | -2 | 46 | 17 | 31.7 | 100 | 11 | 93 | 26 | 59.5 | -- | -- | 1,586 | 2.1 |
| April | 79 | 20 | 66 | 29 | 47.4 | 100 | 8 | 88 | 20 | 53.9 | -- | -- | 1,907 | 2.6 |
| May | 82 | 19 | 71 | 34 | 52.5 | 100 | 4 | 78 | 18 | 48.2 | 19,631 | 654 | 2,313 | 3.1 |
| June | 95 | 33 | 83 | 42 | 62.5 | 95 | 11 | 74 | 18 | 45.6 | 21,605 | 720 | 2,253 | 3.1 |
| July | 97 | 42 | 90 | 50 | 69.8 | 98 | 8 | 76 | 17 | 46.2 | 18,782 | 606 | 2,079 | 2.8 |
| August | 98 | 36 | 90 | 48 | 68.7 | 100 | 5 | 68 | 16 | 42.2 | 18,152 | 586 | 2,159 | 2.9 |
| September | 90 | 28 | 79 | 43 | 61.0 | 100 | 12 | 78 | 29 | 53.6 | 13,364 | 445 | 1,615 | 2.2 |
| October | 78 | 28 | 68 | 34 | 50.8 | 100 | 14 | 100 | 32 | 66.0 | 10,559 | 341 | 1,370 | 1.8 |
| November | 67 | 13 | 55 | 25 | 40.2 | 100 | 18 | 98 | 38 | 68.0 | 7,594 | 253 | 1,049 | 1.5 |
| December | 58 | -6 | 44 | 14 | 29.2 | 100 | 25 | 100 | 42 | 70.7 | 5,351 | 173 | 954 | 1.3 |
| Year | 98 | -8 | 65 | 30 | 47.4 | 100 | 4 | 87 | 27 | 56.9 | -- | -- | 19,521 | 2.2 |
| Month | Precipitation in inches water |
Soil temperature, degrees Fahrenheit | ||||||||||||||
| 2-inch depth | 6-inch depth | 12-inch depth | ||||||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Extreme | Mean | Mean | ||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |||||
| January | 0.65 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| February | 2.50 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| March | 1.15 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| April | .65 | 72 | 38 | 66 | 44 | 55.0 | 64 | 43 | 60 | 47 | 53.6 | 57 | 45 | 54 | 48 | 51.0 |
| May | .96 | 81 | 36 | 74 | 49 | 61.3 | 72 | 41 | 66 | 53 | 59.4 | 63 | 44 | 59 | 53 | 56.1 |
| June | .18 | 103 | 50 | 90 | 61 | 75.3 | 88 | 53 | 80 | 67 | 72.3 | 77 | 55 | 70 | 64 | 67.3 |
| July | .32 | 105 | 62 | 99 | 68 | 83.5 | 89 | 68 | 85 | 73 | 79.3 | 79 | 69 | 77 | 72 | 74.8 |
| August | .33 | 108 | 55 | 99 | 67 | 83.1 | 92 | 65 | 86 | 73 | 79.6 | 82 | 68 | 78 | 72 | 75.2 |
| September | 1.97 | 97 | 44 | 84 | 58 | 71.1 | 83 | 48 | 76 | 63 | 69.2 | 74 | 54 | 70 | 65 | 67.1 |
| October | 2.52 | 76 | 34 | 64 | 41 | 52.4 | 69 | 38 | 58 | 44 | 51.3 | 60 | 42 | 53 | 48 | 50.7 |
| November | 1.60 | 56 | 28 | 44 | 31 | 37.8 | 51 | 30 | 41 | 34 | 37.5 | 48 | 32 | 41 | 36 | 38.5 |
| December | 1.10 | 40 | 18 | 31 | 25 | 28.0 | 39 | 20 | 32 | 27 | 29.3 | 37 | 23 | 33 | 28 | 30.7 |
| Year | 13.93 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
NOTE.—Italic figures represent a sample size of less than 28 days.
Station: C—2; elevation: 6,382 feet; site: Canyon bottom; year: 1963
| Month | Air temperature, degrees F. | Percent relative humidity | Solar radiation, G-cal./sq. cm. |
Wind | ||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Total miles | Velocity m.p.h. | |||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Total | Mean | |||||
| January | 48 | -28 | 34 | 4 | 18.9 | 100 | 21 | 99 | 48 | 73.6 | 5,393 | 174 | 1,284 | 1.7 |
| February | 65 | -3 | 49 | 20 | 34.2 | 100 | 16 | 100 | 39 | 69.3 | 6,888 | 246 | 1,006 | 1.5 |
| March | 68 | 6 | 51 | 21 | 36.1 | 100 | 14 | 99 | 29 | 64.1 | 11,794 | 380 | 1,606 | 2.2 |
| April | 75 | 13 | 60 | 25 | 42.3 | 100 | 11 | 85 | 22 | 53.7 | 14,725 | 491 | 2,145 | 3.0 |
| May | 84 | 25 | 77 | 37 | 56.7 | 98 | 8 | 75 | 16 | 45.9 | 19,824 | 639 | 2,194 | 3.0 |
| June | 94 | 32 | 82 | 41 | 61.5 | 98 | 10 | 71 | 18 | 44.8 | 19,228 | 641 | 2,447 | 3.4 |
| July | 97 | 44 | 91 | 52 | 71.7 | 99 | 10 | 80 | 19 | 49.5 | 18,673 | 602 | 2,025 | 2.7 |
| August | 91 | 48 | 84 | 53 | 68.5 | 94 | 13 | 91 | 25 | 57.8 | 14,372 | 464 | 1,582 | 2.1 |
| September | 86 | 40 | 81 | 46 | 63.2 | 96 | 14 | 90 | 23 | 56.4 | 12,676 | 423 | 1,483 | 2.1 |
| October | 83 | 25 | 70 | 35 | 52.8 | 100 | 18 | 91 | 31 | 61.0 | 9,862 | 318 | 1,381 | 1.9 |
| November | 65 | 14 | 54 | 23 | 38.4 | 100 | 18 | 100 | 34 | 66.8 | 6,602 | 220 | 1,300 | 1.8 |
| December | 53 | -5 | 42 | 9 | 25.2 | 100 | 17 | 99 | 37 | 67.5 | 6,527 | 211 | 1,155 | 1.6 |
| Year | 97 | -28 | 65 | 31 | 47.5 | 100 | 8 | 90 | 28 | 59.2 | 146,564 | 401 | 19,608 | 2.2 |
| Month | Precipitation in inches water |
Soil temperature, degrees Fahrenheit | ||||||||||||||
| 2-inch depth | 6-inch depth | 12-inch depth | ||||||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Extreme | Mean | Mean | ||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |||||
| January | 1.80 | 30 | 20 | 27 | 23 | 24.9 | 30 | 21 | 27 | 24 | 25.3 | 30 | 21 | 28 | 23 | 25.6 |
| February | 1.25 | 35 | 24 | 32 | 27 | 29.5 | 35 | 24 | 32 | 27 | 29.4 | 34 | 22 | 31 | 27 | 28.9 |
| March | .90 | 64 | 24 | 44 | 29 | 36.1 | 56 | 25 | 38 | 30 | 34.0 | 46 | 25 | 35 | 30 | 32.1 |
| April | .55 | 73 | 29 | 60 | 37 | 48.5 | 62 | 32 | 54 | 40 | 47.2 | 52 | 34 | 47 | 42 | 44.6 |
| May | .10 | 100 | 42 | 86 | 53 | 69.6 | 81 | 47 | 73 | 58 | 65.6 | 70 | 48 | 63 | 47 | 60.1 |
| June | .06 | 116 | 53 | 102 | 66 | 83.6 | 93 | 58 | 83 | 68 | 75.3 | 80 | 61 | 72 | 67 | 69.6 |
| July | 1.98 | 118 | 62 | 103 | 73 | 87.8 | 98 | 63 | 91 | 74 | 82.6 | 87 | 68 | 81 | 75 | 78.2 |
| August | 4.15 | 105 | 62 | 93 | 68 | 80.5 | 95 | 62 | 84 | 68 | 76.0 | 87 | 65 | 77 | 71 | 74.0 |
| September | .51 | 94 | 50 | 87 | 59 | 72.7 | 82 | 49 | 74 | 58 | 66.1 | 73 | 55 | 67 | 62 | 64.3 |
| October | 1.65 | 84 | 36 | 69 | 46 | 57.5 | 68 | 34 | 57 | 45 | 50.8 | 62 | 40 | 54 | 49 | 51.4 |
| November | .97 | 56 | 24 | 43 | 31 | 37.1 | 45 | 22 | 35 | 28 | 31.6 | 42 | 24 | 36 | 31 | 33.4 |
| December | .60 | 32 | 13 | 27 | 19 | 22.6 | 28 | 12 | 21 | 15 | 18.3 | 29 | 18 | 24 | 20 | 21.6 |
| Year | 14.52 | 118 | 13 | 64 | 44 | 54.2 | 98 | 12 | 56 | 45 | 50.2 | 87 | 18 | 51 | 45 | 48.6 |
NOTE.—Italic figures represent a sample size of less than 28 days.
Station: C—3; elevation: 6,500 feet; site: Canyon slope, northeast-facing; year: 1962
| Month | Air temperature, degrees F. | Percent relative humidity | Solar radiation, G-cal./sq. cm. |
Wind | ||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Total miles | Velocity m.p.h. | |||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Total | Mean | |||||
| January | 48 | -2 | 38 | 16 | 26.9 | 100 | 34 | 95 | 46 | 70.8 | -- | -- | -- | -- |
| February | 57 | -1 | 43 | 24 | 33.7 | 100 | 28 | 96 | 48 | 72.2 | -- | -- | -- | -- |
| March | 66 | 5 | 45 | 23 | 34.0 | 100 | 21 | 84 | 37 | 60.3 | -- | -- | -- | -- |
| April | 80 | 27 | 66 | 37 | 51.2 | 100 | 17 | 73 | 28 | 50.7 | -- | -- | -- | -- |
| May | 83 | 26 | 71 | 40 | 55.5 | 100 | 10 | 63 | 25 | 44.1 | -- | -- | -- | -- |
| June | 94 | 43 | 82 | 48 | 65.1 | 92 | 14 | 53 | 21 | 36.9 | -- | -- | -- | -- |
| July | 95 | 54 | 90 | 57 | 73.7 | 100 | 11 | 65 | 20 | 42.6 | -- | -- | -- | -- |
| August | 100 | 48 | 90 | 56 | 73.1 | 100 | 10 | 55 | 21 | 38.2 | -- | -- | -- | -- |
| September | 93 | 41 | 79 | 51 | 65.3 | 100 | 17 | 71 | 34 | 52.2 | -- | -- | -- | -- |
| October | 78 | 36 | 67 | 41 | 54.0 | 100 | 12 | 85 | 37 | 60.7 | -- | -- | -- | -- |
| November | 68 | 18 | 54 | 32 | 43.3 | 100 | 25 | 85 | 46 | 65.8 | -- | -- | -- | -- |
| December | 54 | 4 | 43 | 23 | 33.0 | 100 | 29 | 95 | 49 | 72.0 | -- | -- | -- | -- |
| Year | 100 | -2 | 64 | 37 | 50.7 | 100 | 10 | 77 | 34 | 55.5 | -- | -- | -- | -- |
| Month | Precipitation in inches water |
Soil temperature, degrees Fahrenheit | ||||||||||||||
| 2-inch depth | 6-inch depth | 12-inch depth | ||||||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Extreme | Mean | Mean | ||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |||||
| January | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| February | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| March | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| April | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| May | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| June | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| July | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| August | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| September | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| October | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| November | 47 | 22 | 37 | 26 | 31.5 | 41 | 27 | 36 | 31 | 33.7 | 40 | 27 | 35 | 32 | 33.4 | |
| December | 35 | 14 | 26 | 21 | 23.9 | 35 | 24 | 29 | 26 | 27.8 | 32 | 19 | 27 | 24 | 25.7 | |
| Year | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
NOTE.—Italic figures represent a sample size of less than 28 days.
Station: C—3; elevation: 6,500 feet; site: Canyon slope, northeast-facing; year: 1963
| Month | Air temperature, degrees F. | Percent relative humidity | Solar radiation, G-cal./sq. cm. |
Wind | ||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Total miles | Velocity m.p.h. | |||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Total | Mean | |||||
| January | 44 | -19 | 35 | 12 | 23.7 | 100 | 26 | 93 | 56 | 74.6 | -- | -- | -- | -- |
| February | 62 | 4 | 46 | 25 | 35.1 | 100 | 22 | 93 | 44 | 68.5 | -- | -- | -- | -- |
| March | 68 | 13 | 50 | 26 | 38.0 | 100 | 16 | 86 | 34 | 60.1 | -- | -- | -- | -- |
| April | 78 | 18 | 60 | 31 | 45.6 | 100 | 13 | 68 | 26 | 46.7 | -- | -- | -- | -- |
| May | 86 | 34 | 78 | 45 | 61.7 | 99 | 12 | 52 | 18 | 35.2 | -- | -- | -- | -- |
| June | 97 | 38 | 85 | 49 | 66.7 | 90 | 10 | 51 | 20 | 35.5 | -- | -- | -- | -- |
| July | 102 | 54 | 92 | 59 | 75.4 | 99 | 14 | 61 | 22 | 41.2 | -- | -- | -- | -- |
| August | 94 | 52 | 83 | 56 | 69.3 | 99 | 16 | 87 | 30 | 58.3 | -- | -- | -- | -- |
| September | 88 | 47 | 81 | 52 | 66.4 | 100 | 14 | 73 | 27 | 50.0 | -- | -- | -- | -- |
| October | 86 | 32 | 71 | 43 | 57.1 | 100 | 16 | 66 | 32 | 48.7 | -- | -- | -- | -- |
| November | 65 | 18 | 52 | 29 | 40.8 | 100 | 26 | 85 | 38 | 61.3 | -- | -- | -- | -- |
| December | 52 | 5 | 40 | 18 | 28.7 | 100 | 21 | 83 | 41 | 62.0 | -- | -- | -- | -- |
| Year | 102 | -19 | 64 | 37 | 50.7 | 100 | 10 | 75 | 32 | 53.5 | -- | -- | -- | -- |
| Month | Precipitation in inches water |
Soil temperature, degrees Fahrenheit | ||||||||||||||
| 2-inch depth | 6-inch depth | 12-inch depth | ||||||||||||||
| Extreme | Mean | Mean | Extreme | Mean | Mean | Extreme | Mean | Mean | ||||||||
| Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | |||||
| January | -- | 32 | 19 | 29 | 25 | 26.7 | 32 | 23 | 29 | 26 | 27.7 | 32 | 19 | 29 | 25 | 26.8 |
| February | -- | 39 | 25 | 34 | 30 | 31.8 | 35 | 27 | 33 | 30 | 31.5 | 36 | 25 | 33 | 29 | 31.2 |
| March | -- | 69 | 26 | 47 | 32 | 39.4 | 57 | 29 | 41 | 34 | 37.5 | 52 | 29 | 39 | 35 | 36.9 |
| April | -- | 78 | 32 | 67 | 42 | 54.5 | 65 | 37 | 58 | 46 | 52.1 | 60 | 40 | 54 | 49 | 51.3 |
| May | -- | 100 | 48 | 90 | 58 | 74.1 | 83 | 52 | 76 | 62 | 69.3 | 76 | 54 | 70 | 64 | 66.8 |
| June | -- | 120 | 54 | 106 | 65 | 85.1 | 94 | 63 | 86 | 71 | 78.3 | 83 | 63 | 76 | 69 | 72.3 |
| July | -- | 120 | 62 | 109 | 72 | 90.4 | 98 | 68 | 93 | 77 | 85.0 | 87 | 69 | 83 | 77 | 79.8 |
| August | -- | 117 | 60 | 97 | 67 | 82.0 | 97 | 65 | 86 | 72 | 78.8 | 87 | 65 | 78 | 72 | 74.7 |
| September | -- | 98 | 52 | 90 | 59 | 74.4 | 83 | 58 | 77 | 64 | 70.5 | 74 | 58 | 69 | 63 | 66.1 |
| October | -- | 90 | 35 | 73 | 46 | 59.4 | 73 | 42 | 61 | 51 | 56.3 | 65 | 41 | 55 | 51 | 52.8 |
| November | -- | 56 | 24 | 42 | 29 | 35.6 | 48 | 27 | 39 | 33 | 36.3 | 41 | 24 | 35 | 31 | 33.0 |
| December | -- | 29 | 14 | 25 | 19 | 21.7 | 30 | 20 | 25 | 22 | 23.8 | 30 | 18 | 22 | 20 | 20.8 |
| Year | -- | 120 | 14 | 67 | 45 | 56.3 | 98 | 20 | 59 | 49 | 53.9 | 87 | 18 | 54 | 49 | 51.0 |
NOTE.—Italic figures represent a sample size of less than 28 days.
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archeology/7b/appendix.htm
Last Updated: 16-Jan-2007