DRY FARMING CONGRESS. 



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ranges from 21.16 inches to 131.01 inches. The larger amount being along 

 the immediate Pacific coast, and the smaller farther inland. The Eastern 

 division of Washington varies in average annual precipitation from 6.63 

 inches to 28.73 inches. The greatest portion of the precipitation of the Pa- 

 cfic states occurs west of the mountains, which condense the moisture in 

 the winds passing over them, accompanying the storms in their eastward 

 passage. The greatest amount of precipitation occurs from the fall to 

 spring, and the least amount during the summer, no precipitation occurring 

 during some months of the year. 



Oregon. — The state of Oregon is also divided into Western and East- 

 ern divisions, showing wide variations, in annual average precipitation. The 

 annual normal precipitation for the state is 37.93 inches. The largest 

 amount of average annual precipitation for the western portion of Ore- 

 gon at any station is 133.72 inches, and the least average amount is 19.19 

 inches. For the eastern division the largest amount of average annual 

 precipitation is 79.42 inches and the smallest is 8.63 inches. 



California. — The normal annual precipitation is 26.15 inches. The av- 

 erage annual precipitation for the state, of California varies from 78.08 

 inches to 1.79 inches. During several months of the year no precipitation 

 occurs at many stations in this state. 



Idaho. — The normal annual precipitation for the state of Idaho is 

 17.44 inches. The greatest average annual precipitation in the northern 

 section is 38.55 inches,' and the least is 13.90 inches. The largest average 

 annual precipitation for the central section is 23.36 inches, and the small- 

 est is 14.23 inches. For the southern section the greatest amount of annual 

 average precipitation is 15.07 inches, and the least is 6.35 inches. 



Nevada. — The normal annual precipitation for the state of Nevaaa 

 is 10.10 inches. The largest amount of average annual precipitation is 

 24.90 inches, and the smallest is 5.26 inches. 



Utah. — The normal annual precipitation for the state of Utah is 12.29 

 inches. The greatest annual average precipitation for the northern por- 

 tion is 19.04 inches and the least is 5.97 inches. The largest annual aver- 

 age for the middle section is 15.31 inches and the least is 4.13 inches. For 

 the southern section the largest amount of average precipitation is 20.70 

 inches, and the smallest is 5.18 inches. 



Arizona. — The normal annual precipitatiofi for Arizona is 11.82 inches. 

 The largest average annual amount for the northern portion is 24.99 

 inches, and the least is 6.01 inches. The largest amount for the southern 

 division is 23.60 inches and the smallest is 5.99 inches. For the western 

 portion the greatest annual average is 7.38 inches, and the least is 2.60 

 inches. 



Montana. — The annual normal precipitation for the state of Montana 

 is 15.34 inches. The largest average for the eastern portion is 18.75 

 inches, and the smallest is 12.80 inches. For the western division of the 

 state the largest annual average is 22.63 inches, and the least is 12.56 

 inches. 



