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Making America's Best Idea Even Better
Lyndon B. Johnson National Historical ParkClouds and Blue Sky
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Lyndon B. Johnson National Historical Park
Weather
The Tetrahedron at the Ranch indicates wind direction

Tetrahedron (for Wind Direction)

The regional climate for the Texas Hill Country is classified as subtropical-subhumid. The mean annual temperature in the area is 18.7ºC and the mean annual rainfall is 30.2 cm. Precipitation maxima occur in spring and fall in response to frontal systems entering the region from the north that merge with unstable and moist air from the Gulf of Mexico.

The park maintains a weather station in the Johnson City District, where daily weather readings are manually collected. The Texas Forest Service maintains a weather station in the LBJ Ranch District. This collected data is used for fire weather forecasts.
Johnson Grass  

Did You Know?
An invasive plant that Lyndon B. Johnson National Historical Park has problems with just happens to be a non-native grass called Johnson Grass. Besides being tough to get rid of, it is poisonous to livestock if eaten just after a freeze. (photo ©Barry A. Rice/The Nature Conservancy)

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Last Updated: March 02, 2008 at 13:43 EST