4 BULLETIX 39, U. S. DEPAETZVIEXT OF AGRICULTURE. 
Table I. — Monthly, seasonal, and annual precipitation in inches in South Dakota 
at Brookings and Highmore for the 10 years from 1903 to 1912, at Eureka 
for the 4 years from 1909 to 1912. and at Cottonwood for the 3 years from 
1910 to 1912. 
Brookings. 
^pr. 1 
For 
Year. 
Jan. 
Feb. 
Mar. 
Apr. 
May. 
June. Julv. 
Aug. 
Sept. 
Oct. 
Nov. 
Dec. 
10 
the 
Aug. 31. 
year. 
1903 
0.10 
0.31 
1.87 
1.00 
4.53 
4.16 
3.30 
4.25 
2.73 
1.S5 
0.10 
0.45 
17.24 
24.65 
1904 
.04 
.15 
.25 
1.78 
1.82 
4.30 
1.91 
.93 
.93 
3.15 
.02 
.20 
10.74 
15.48 
1905 
22 
1.00 
.68 
1.01 
6.14 
6.09 
.98 
4.54 
2.16 
1.50 
2.45 
i T. 
IS. 76 
26.77 
1906 
.17 
.02 
.58 
1.40 
3.51 
4.S9 
1.86 
4.2S 
5.13 
3.01 
. 89 
.52 
15.94 
26.26 
1907 
1.06 
.28 
.00 
1.17 
2.36 
5.65 
3.77 
1.41 
1.28 
.96 
.10 
1.12 
14.36 
19.71 
190S 
.20 
1.80 
1.16 
2.10 
6.46 
6.35 
4.69 
2.37 
3.89 
1.42 
1.30 
.60 
21. 97 
32.34 
1909 
1.20 
1.57 
.37 
1.16 
4.75 
2.29 
2.44 
3.39 
1.67 
1.71 
.65 
1.14 
14.03 
22.34 
1910 
1.07 
.40 
.50 
2.34 
.87 
1.-5 
1.68 
2.46 
.96 
.38 
.17 
.10 
9.20 
12.78 
1911 
.61 
.53 
.53 
1.62 
1.90 
3.78 
3.32 
3.81 
3.08 
5.12 
.23 
.42 
14.43 
24.95 
1912 
.28 
.24 
.26 
3.36 
6.G8 
2.09 
2.52 
4.6S 
1.61 
.96 
T. 
.20 
19.63 
23. IS 
Average.. 
.50 
.63 
.63 
1.69 
3.93 
4.15 
2.65 
3.21 
2.34 
2.01 
.59 
.47 
15.63 
22.85 
Highmore. 
Apr. 1 
For 
Year. 
Jan. 
Feb. 
Mar. 
Apr. Mav. 
June. Julv. 
Aug. 
Sept. 
Oct. Nov. 
Dec. 
to 
the 
Aug. 31. 
year. 
1903 
0.05 
0.30 
0.S7 
0.70 
0.85 
2.93 
3.5S 
2.40 
1.46 
0.66 
0.65 
0.63 
10.46 
15.08 
1904 
.15 
.17 
.05 
1.43 
.99 
2.25 
2.40 
1.48 
.38 
.60 
T. 
.60 
8.55 
10.50 
1905 
.60 
T. 
.60 
1.39 
5.23 
5.64 
5.54 
3.56 
.56 
1.95 
1.29 
T. 
21.36 
26.36 
1906 
.30 
.40 
.80 
2.40 
5.00 
2.50 
1.19 
6.25 
2. SO 
.30 
2.47 
.40 
17.44 
24.91 
1907 
1.00 
.40 
1.10 
.68 
5.11 
1.62 
3.64 
.18 
1.04 
1.96 
.05 
.40 
11.23 
17.28 
1908 
.10 
.93 
.80 
1.55 
2.68 
5.78 
2.49 
3.53 
.62 
2.19 
1.39 
.31 
16. 03 
22. 37 
1909 
.26 
.34 
.13 
.30 
4.72 
1.69 
1.81 
3.92 
1.70 
1.04 
.71 
1.41 
12.44 
18.03 
1910 
.82 
.19 
.58 
1.40 
.94 
3.74 
.85 
.66 
.89 
.24 
.40 
.44 
7.59 
11.15 
1911 
.11 
.39 
2.54 
.32 
2.31 
.09 
2.69 
2.52 
3.06 
1.05 
.35 
.44 
7.93 
15.87 
1912 
.13 
.11 
.27 
1.05 
2.20 
1.31 
1.44 
3.39 
.71 
.20 
.00 
.35 
9.39 
11.16 
Average.. 
.35 
.32 
. 77 
1.12 
3.00 
2.76 
2.56 
2.80 
1.32 
1.02 
.73 
.50 
12.24 
17.27 
Eureka. 
1909 
1910 
0.10 
.60 
.50 
.25 
0.45 
1.70 
.73 
.40 
0.14 
1.23 
.62 
1.05 
0.50 
.82 
2.24 
1.29 
2.65 
.42 
.97 
3.37 
3.35 
3.80 
1.29 
1.50 
2.21 
.53 
.43 
2.19 
1.39 
2.60 
3.57 
3.27 
1.25 
3.65 
1.15 
1.43 
0.17 
.18 
.61 
.07 
4.50 
T. 
.88 
T. 
2.40 
.25 
.80 
.11 
10.10 
s. 17 
S.50 
11.62 
19.11 
15.78 
1911 
1912 
13.70 
14.93 
Average.. 
.36 
.82 
.76 
1.21 
1.85 
2.49 
1.34 
2.71 
1.87 
.26 
1.35 
.S9 
9.60 15.88 
COTTOXTVOOD. 
1910 
1911 
1912 
0.66 
T. 
.17 
0.07 
.15 
( 2 ) 
0.76 1.06 
T. .85 
3. 00 | 3. 32 
2.54 
1.10 
1.19 
1.30 1.11 
.64 .59 
. 92 2. 42 
0.48 
2.41 
3.42 
0.S2 
3.59 
1.30 
0.32 
1.15 
.11 
0.30 
.20 
T. 
3.00 
.42 
.12 
6.49 12.42 
5.59 11.10 
11.27 15.97 
Average.. 
.28 
.08 
1.25 1.74 
1.61 
.95 1.37 2.10 1.90 
.53 
.17 
Lis 
7.7S 13.16 
Summary of Averages. 
Station. 
Years. 
Jan. 
Feb. 
Mar. 
! Apr 
May. 
June. 
July. 
Aug. Sept. 
Oct. 
Nov. 
Apr. 1 
Dec. to 
Aug. 31 
An- 
nual. 
Brookings..' 1903-1912 
0.50 
0.63 
0.68 
L 
3.93 
4.15 
2.65 
3.21 
2.34 
2.01 
0.59 
0.47 
15. 63 
22. SS 
Highmore.. 1903-1912 
.35 
.32 
1.12 
3. oo 
2.76 
2.56 
|2.S0 
1.32 
1.02 
.73 .50 
12.24 
17.27 
Eureka 1909-1912 
.36 
.82 
. 76 
1.21 
1.85 
2.49 
1.34 
2.71 
1.87 
.26 
1.35 .89 
9.60 
15.91 
Cottonwood 
1910-1912 
.28 
.08 
1.25 
,n 
1.61 
.95 
1.37 
2.10 
1.90 
■ 
.17 
1.18 
7.78 
13. 16 
No record. Precipitation very slight. 
