CLIMATE. 



379 



An excellent method of indicating the monthly rainfall by a 

 precipitation chart is seen in the following figure, showing the 

 rainfall in one of the counties of Wyoming for a period of 

 twelve years : 



FIG. 2. Basin, Big Horn County. Monthly precipitation in inches. 

 Records for 12 years. 



Table Showing Some Climatic Factors of the United States. 



TAKEN FROM THE RECORDS OF THE STATIONS OF THE UNITED 



STATES WEATHER BUREAU. 

 (For a Long Term of Years.) 



