CEEEAL EXPERIMENTS AT THE AKRON" FIELD STATIOJSI. 



T.4BLE I. — -Monthly, seasonal, and annual precipitation at and near Akron, Colo., 

 during the 11-year period, 1905 to 1915, inclusive. 



[Data (in inches) from the records of the Biophysical Laboratory of the Bureau of Plant Industry, except 

 the following from the records of the United States Weather Bureau at Akron, Colo.: (1) For the years 

 1905, 1906, and 1907; (2) for January to May, inclusive, and October to December, inclusive, in 1908; (3) 

 for January to March, ihclusive, and October to December, uiclusive, in 1909. •T=trace.] 































Seasonal. 1 



Year. 



Jan. 



Feb. 



Mar. 



Apr. 



May. 



June. 



July. 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 



Total. 



Mar. 



Aug. 

 to 































to 































July. 



Oct.2 



1905 



0.37 



0.32 



5.45 



4. 55 



4.37 



2.14 



3.82 



0.86 



0.83 



1.73 



0.12 







21.56 



20.33 



3.42 



1906 



.25 



.26 



1.51 



4.22 



3.32 



1.20 



2.46 



1.26 



1.00 



1.90 



1.56 



.08 



19. 02 



12.71 



4.16 



1907 







T. 



.43 



1.74 



3.30 



3.26 



6.06 



5.13 



1.86 



.02 



1.00 



.60 



23.40 



14.79 



7.01 



1908 







.34 



T. 



1.70 



3.57 



2.35 



3.40 



1.62 



.22 



3.20 



2.00 



T. 



18.38 



11.02 



5.04 



1909 



T. 



1.38 



3.06 



.40 



1.87 



3.32 



4.61 



3.77 



2.16 



.78 



.48 



.55 



22.38 



13.26 



6.71 



1910 



.05 



.16 



.26 



3.96 



2.06 



1.38 



1.47 



3.72 



3.81 



.05 



.12 



.32 



17.36 



9.13 



7.58 



1911 



.60 



.44 



.06 



2.63 



1.15 



1.48 



1.34 



1.30 



2.40 



1.47 



.28 



1.36 



14.51 



6.66 



5.17 



1912 



.28 



1.43 



.78 



2.49 



2.86 



3.39 



3.58 



1.58 



1.88 



1.99 



.18 



.29 



20.73 



13.10 



5.45 



1913 



.22 



.40 



1.57 



2.19 



1.44 



1.35 



1.85 



1.14 



2.08 



.34 



.30 



3.67 



16.55 



8.40 



3. 56 



1914 



.03 



.32 



.20 



4.01 



1.46 



3.54 



1.66 



1.05 



.23 



2.08 



.10 



.90 



15.58 



10.87 



3.36 



1915 



1.10 



1.68 



1.50 



5.19 



4.13 



3.75 



1.10 



3.51 



1.76 



.48 



.15 



.65 



25.00 



15.67 



5.75 



Aver- 

































age.. 



.27 



.61 



1.34 



3.00 



2.68 



2.46 



2.85 



2.26 



1.65 



1.27 



.57 



.76 



19.72 



12.33 



5.20 



1 Months inclusive. 



2 Rainfall affecting the fall growth of winter grains. 



Table II. — Monthly and annual precipitation recorded near Leroy, Colo., during the 

 25-year period, 1891 to 1915, inclusive. 



[Data (in inches) from the records of the United States Weather Bureau at Leroy, Colo. T= trace.] 



Year. 



1S91 



1S92 



1893.'...- 



189t 



1895 



1896 



1897 



1898 



1899 



1900 



1901 



1902 



1903 



1901 



1905 



1906 



1907 



1908 



1909 



1910 



1911 



1912 



1913 



19H 



1915 



1.70 

 .89 

 .05 

 .35 

 .73 

 .53 

 .60 

 .38 

 ..50 

 .10 

 .06 

 .12 

 .18 

 .10 

 .17 

 .23 

 .12 

 .08 

 .01 

 .04 

 .32 

 .26 

 .21 

 .03 

 .85 



Feb. 



Average. 



.34 



1.00 



2.24 



1.20 



.46 



.88 



.24 



.72 



.26 



.33 



.96 



.49 



.72 



1..50 



.26 



..30 



.43 



.05 



.23 



1..30 



.04 



.24 



1.16 



.96 



.35 



Mar. 



1.99 

 .80 

 .87 

 .95 

 .40 



1.20 



1.66 

 .67 



1.21 

 .12 



1.60 



1.23 

 .26 

 ..35 



3.28 



1..38 

 .25 

 .18 



1.80 

 .62 

 .10 



1.65 

 .77 

 .09 



2.09 



1.02 



Apr.' 



1.35 

 4.02 

 .46 

 .98 

 2.43 

 1.91 

 1.77 

 1.04 

 1.57 

 7.27 

 2.92 

 1.26 

 1.12 

 1.99 

 4.70 

 4.. 53 

 .97 

 1.68 

 1.01 

 1.96 

 3.13 

 2.62 

 2.01 

 3.45 

 4.66 



2.43 



May. 



5.02 

 2.53 

 2.73 



.17 

 2.05 

 2. .36 

 3.08 

 4.60 

 2.93 

 2.10 



.72 

 3.16 



.80 

 3.97 

 3. 88 

 l,9(i 

 2. 85 

 4.34 

 1.67 

 2.34 

 1.74 

 2. .58 

 2. 54 



.78 

 4.98 



June. 



4.84 

 1.48 

 



.75 

 2.94 

 3.77 

 2.24 

 1.31 



.28 



.78 

 2.52 

 1.82 

 1.07 

 4.39 

 2.48 

 1.35 

 2.67 

 3. .52 

 4.15 

 2.06 

 2.21 

 3.32 



.52 

 3.17 

 4.45 



July. 



4.69 

 3.07 

 1.75 

 1.16 

 2.56 

 1.33 

 1..39 

 2. 83 

 2.17 

 1.68 

 .97 

 .98 

 1.71 

 3.46 

 2. ,56 

 1.88 

 2,24 

 5,72 

 1.05 

 1..53 

 2. .50 

 1.81 

 2.96 

 2. 85 

 1.07 



Aug. 



2.89 

 

 .61 

 .47 

 .79 

 .87 

 2.79 

 1.13 

 2.36 

 .99 

 4.03 

 3.70 

 3.44 

 1.77 

 1.96 

 2.83 

 4.19 

 3.65 

 2.14 

 1.95 

 1.68 

 1.60 

 1.62 

 3.54 

 5. 13 



2.63 2.32 2.23 2.24 1.23 1.07 



Sept. 



0.67 



.84 



.41 



1.06 



.42 



.86 



.41 



1.27 



.88 



.35 



.27 



3.46 



.62 



2.96 



.78 



2.70 



1.88 



.16 



2.81 



1,72 



1.16 



2,31 



1.08 



.04 



1.63 



Oct. 



0.14 



1.66 



.41 



.08 



.11 



.90 



2.61 



.54 



.30 



.07 



.47 



.78 



.29 



1.55 



1.93 



2.69 



T. 



3,76 



.56 



.13 



1.87 



2. .52 



1.17 



1.71 



.62 



Nov. 



0.37 

 .10 

 .48 

 .26 

 .47 

 .20 

 .40 

 .65 

 .23 

 .12 

 T. 

 .09 

 .06 

 .04 

 .12 



1.29 

 .66 



1.86 

 .91 

 .13 

 .18 

 .42 

 T. 

 .02 

 .24 



.37 



Dee. 



0.95 

 .65 

 .94 

 .65 

 .12 

 .01 

 .81 

 .27 

 .44 

 .20 



.03 

 .05 

 .02 

 . 53 

 .69 

 .05 



1.08 

 .36 

 .92 

 .16 



3. ,54 

 .58 

 .76 



.63 



An- 

 nual. 



25,61 

 18.28 

 9.91 

 7.34 

 13,90 

 14.18 

 18.48 

 14.95 

 13.20 

 14.74 

 14.94 

 18.33 

 11.08 

 20.29 

 22,18 

 21.80 

 16.57 

 25. 23 

 18.49 

 12,88 

 16,05 

 20.41 

 17.38 

 16.61 

 27.11 



17.19 



The annual precipitation varied from 14.51 inches in 1911 to 25 

 inches in 1915. The seasonal precipitation varied from 6.66 inches in 

 1911 to 20.33 inches in 1905. Within the period for which crop 

 records are presented the maximum seasonal precipitation was 15.67 



