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Information


 
The Valles Caldera National Preserve is located at the southern edge of the Rocky Mountains, where the regional climate is semi-arid continental. Annual precipitation is dominated by summer monsoon rains (thunderstorms) in July and August, and winter snowstorms in December through March. From 2004 to 2013, temperatures in January and July averaged 22°F and 60°F, respectively, at the Valle Grande Headquarters weather station.
Temperature extremes range from a high of 84°F in summer to -30°F in winter; the lowest temperature (including the wind-chill factor) recorded on the preserve was -50°F in December, 2013. The table below shows precipitation (rain and snowfall) and temperatures by month; units are in metric and English systems.
 
Average precipitation and average mean monthly temperature at Valle Grande Headquarters meteorological station:
Valle Grande HQ
Meteorological
Station
Average
Precipitation
(mm)
Average
Precipitation
(inches)
Average
Mean
Monthly
Temperature
(C.)
Average
Mean
Monthly
Temperature
(F.)
January 36 1.40 -5.2 22.6
February 34 1.32 -4.4 24.1
March 33 1.30 0.1 32.3
April 50 1.97 3.7 38.7
May 37 1.45 8.3 46.9
June 25 0.99 13.1 55.5
July 108 4.26 15.3 59.5
August 104 4.10 14.3 57.7
September 57 2.25 10.5 50.8
October 56 2.19 5.2 41.3
November 21 0.83 0.3 32.6
December 44 1.74 -4.4 24.1
Annual Total 605 23.82 4.7 40.5

 
The preserve operates six weather stations within its boundaries, plus two stations in the Santa Fe National Forest, and one station at the administrative offices in Jemez Springs. The US Forest Service operates an additional three stations just outside the preserve in the Santa Fe National Forest.

Each weather station measures wind speed and direction, net radiation, air temperature and humidity, barometric pressure, precipitation, soil moisture at 5, 10, and 30 cm depth, and soil temperature at 1, 10, and 40 cm depth.

Current and archived data from these stations are available online from the Desert Research Institute's Western Regional Climate Center: Current and archived data from this station.

A Climate Reference Network (CRN) weather station, operated by the National Oceanic and Atmospheric Administration (NOAA), also operates in the Valle Grande of the VCNP. Current and archived CRN data.

A SNOTEL station is located just east of the preserve boundary on the Santa Fe National Forest. This station, operated by the Natural Resources Conservation Service (NRCS), collects standard weather information as well as snow-depth and snow water content (SWE) data. These data can be found online at: Current and archived data from this station.

A second SNOTEL station is located within the preserve on Garita Peak. These data can be found online at: Garita Peak SNOTEL station data.

The University of Arizona's NSF-funded Critical Zone Observatory maintains additional instrumentation at their research sites within the Preserve, including snow depth sensors, flux towers, and meteorological stations. More detailed information and datasets.

Last updated: February 14, 2017

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Mailing Address:

PO Box 359
Jemez Springs, NM 87025

Phone:

(575) 829-4100

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