14 BULLETIN 675, U. S. DEPARTMENT OF AGRICULTURE. 
Table 2. — Precipitation record on erosion areas," IV 1G. 
Duration of storm. 
Character of 
precipitation. 
Month. 
Snow, 4 inches. 
Snow, 2 inches. 
Rain 
Do 
Do 
' Do 
Do 
Do 
Do 
Do 
Do 
Do 
Do 
Do 
Do 
Do 
Do 
Do 
Do 
Do.,... 
Do 
Do 
Do 
Do 
Do..,.. 
Do 
Do 
Do 
Hail 
Snow 
Rain and snow 
Snow . . . 
Do.. 
Do.. 
Do.. 
Do.. 
Total. 
Average. 
May 
June 
July 
do 
do 
do 
do 
do 
do 
do 
do 
do 
do 
do 
do 
do 
August 
do 
do 
do 
do 
do 
do 
do 
do 
do 
September. 
do 
do 
do 
do 
October 
do 
do 
do 
do 
Day. : Hour. 
Ending. 
Month. 
8.30a.m. 
10.00 p.m 
6.30p.m. 
2.00p.m.' 
3.30p.m. 
6.30a. m.j 
12.00m.J 
10.30 a.m 
7.15 p.m. 
12.45 p.m 
8.15a.m. 1 
7.45a.m. 
4.30 p.m. 
6.15a.m. 
11.30 a.m, 
12.55 p.m 
4.05 p.m. 
11.40 a.m 
9.45 p.m. 
11.15 a.m 
1.00 p.m. 
12.20 p.m 
11.50 a.m 
6.35 p.m. 
11.10 a.m 
6.45 a.m. 
1.40 p.m. 
2.15 p.m. 
7.30a.m. 
5.00 p.m. 
11.00 p.m 
May 
June 
Julv 
....Ido 
do 
do 
do 
do 
do 
do 
do 
......do...... 
.....do 
do 
do 
do 
August 
do 
do 
do 
do 
do 
do 
do 
do 
do 
September. 
do 
do 
do 
October 
Day. | Hour. 
Upper 
gauge. 
1.00 p.m. 
3.00a.m. 
9.30p.m. 
3.30 p.m. 
5.00 p.m. 
1.30 p.m. 
2.30 p.m. 
12.00 m.. 
8.30 p.m. 
5.45 p.m. 
2.45 p.m. 
9.15a.m. 
5.00 p.m. 
6.45a.m. 
4.00 p.m. 
1.40 p.m. 
6.30 p.m. 
12.00 m.J 
10.45 p.m 
11.25 a.m 
2.30 p.m. 
3.40 p.m. 
1.00 p.m. 
6.45 p.m. 
10.30 p.m 
10.00 a.m 
4.00 p.m. 
4.10p.m. 
10.15 a.m. 
10.30 p.m: 
4.00a. m.i 
0.84 
.01 
.06 
.04 
.03 
.07 
.12 
.31 
.16 
.27 
.30 
.16 
.07 
.06 
.15 
.10 
.04 
.29 
.15 
.04 
.09 
.25 
.05 
T. 
.55 
.07 
.12 
.10 
.14 
.15 
.45 
.83 
.48 
.06 
.64 
.17 
Lower 
gauge 
,42 
0.93 
.01 
.06 
.03 
.03 
.09 
.13 
.36 
.16 
.27 
.30 
.12 
.07 
.07 
.15 
.14 
.04 
.32 
.16 
.04 
.08 
.25 
.05 
T. 
. 57 
.07 
.12 
.08 
.17 
.14 
.52 
.83 
.48 
.07 
.87 
.20 
AreaB. 
Upper Lower 
gauge, gauge. 
0.58 I 
Trace. 
.06 , 
.03 
.03 
.11 
.10 
.32 
.16 
.27 
.30 
.39 
.08 
.07 
.25 
.16 
.04 
.38 
.28 
.09 
.10 
.28 
.06 
.01 
.54 
.08 
.13 
.13 
.18 
.17 
.61 
.83 
.48 
.06 
.64 
.17 
0.59 
.01 
.06 
.02 
.02 
.09 
.10 
.32 
.17 
.27 
.30 
.31 
.08 
.07 
.20 
.15 
.04 
.39 
.24 
.06 
.09 
.27 
.05 
.01 
.53 
.06 
.12 
.11 
.12 
.15 
.64 
.83 
.48 
.07 
8.09 
Table 3. — Erosion and run-off records, 1915 and 1916. 
Area. 
Date. 
Character of storm. 
| Precipita- 
tion. 
Run-off. 
Erosion. 
A 
B 
A.J... 
B 
July 13,1915 
June 29,1915 
July 21,1915 
do 
Winter snows 
do 
Rain 
... do 
Inches. 
(«) 
(*) 
1 0.70 
1. 43 
9. 10 
9. 20 
.34 
.27 
.14 
! .07 
.06 
.15 
.30 
.38 
.15 
.26 
.25 
.27 
2.32 
2. 32 
Cubic feet. 
(*) 
P) 
3,018.96 
335. 15 
292, 998. 19 
42, 216. 75 
114. 76 
100.80 
86.40 
108. 00 
41.76 
86.40 
608.68 
257.15 
37.44 
80.62 
589. 96 
439.40 
492. 48 
58.38 
Cubic feet. 
230. 91 
184.82 
716. 92 
94.29 
A 
B 
A 
A 
A 
A 
July 8, 1916 
June 15,1916 
Julv 16,1916 
Julv 24,1916 
July 26,1916 
do 
Snow 
do 
Rain 
do 
do 
.. do 
172. 36 
82.62 
8.45 
I 19. 30 
A 
A 
July 27,1916 
do 
do 
do.. . 
A 
B 
Aug. 2, 1916 
do 
do 
do... 
105.54 
26.34 
A 
do... 
.. do 
4.54 
B 
do... 
. do 
8.93 
A 
B 
Aug. 5, 1916 
do 
do 
. do 
56.52 
24.54 
A 
B 
Oct. —1916 
do 
Rain and snow 
do... 
3-14 
0.00 
1 Only those rainstorms that produced stream flow are here given. 
run-off on area A but nol on area B. 
* No records. 
Note that several storms produced 
