208 
A NEW METHOD OF ESTIMATING STREAM-FLOW 
Table 596 — Rainfall, net melting, evaporation and run-off on watershed B {unit =0.01 inch) 
Date 
1911 
Oct 
Nov 
Dec 
1912 
Jan 
Feb 
Mar 
Apr 
May 
June 
July 
Aug 
Sept 
Total 
1912 
Oct 
Nov 
Dec 
1913 
Jan 
Feb 
Mar 
Apr 
May 
June 
July 
Aug 
Sept 
Total 
1913 
Oct 
Nov 
Dec 
1914 
Jan 
Feb 
Mar 
Apr 
May 
June 
July 
Aug 
Sept 
Total 
1914 
Oct 
Nov 
Dec 
1915 
Jan 
Feb 
Mar 
Apr 
May 
June 
July 
Aug 
Sept 
Total 
Totals 1911-1915.. 
Mean Annual. . 
Mean Monthly. 
Mean Daily. . . , 
Observed 
rainfall 
410 







203 
403 
158 
37 
1,211 
171 






39 
300 
221 
224 
261 
1,216 
91 
108 





147 
164 
511 
199 
140 
1,360 
143 






3 
46 
209 
177 
281 
859 
4,646 
1,162 
Computed 
net 
melting 
+ 11 
+ 89 
- 74 
+ 
+ 
15 
7 
93 
+ 467 
+ 927 




+ 1,505 
+ 6 
+ 76 
- 70 
- 65 
- 18 
+ 154 
+ 1,087 
+ 232 




+ 1,402 

+ 68 
- 81 
+ 25 
- 27 
+ 145 
+ 849 
+ 785 




+ 1,764 

+ 62 
- 70 
- 77 
- 16 
+ 124 
+ 1,072 
+ 824 




1,919 
6,590 
1,648 
Computed 
evaporation 
from 
water 
81 
45 
35 
42 
44 
32 
63 
149 
126 
123 
131 
128 
999 
75 
69 
34 
33 
33 
49 
85 
147 
109 
148 
113 
68 
963 
73 
41 
23 
37 
31 
62 
62 
94 
145 
62 
98 
105 
833 
69 
89 
21 
32 
30 
49 
48 
95 
206 
180 
128 
94 
1,041 
3,836 
959 
80 
2.6 
Observed 
run-off 
99 
43 
36 
34 
31 
34 
50 
294 
96 
50 
39 
34 
840 
38 
35 
34 
33 
29 
32 
67 
102 
69 
38 
27 
28 
522 
31 
29 
29 
28 
25 
30 
46 
174 
69 
38 
29 
28 
556 
32 
29 
29 
30 
26 
28 
44 
158 
81 
34 
26 
542 
2,460 
615 
51 
1.7 
Computed 
evaporation 
from 
land 
186 
104 
80 
97 
101 
74 
145 
343 
290 
283 
301 
294 
2,298 
172 
159 
78 
76 
70 
113 
196 
338 
251 
340 
260 
156 
2,215 
168 
94 
53 
85 
71 
143 
143 
210 
334 
143 
225 
242 
1,917 
159 
205 
48 
74 
69 
113 
110 
219 
474 
414 
294 
216 
2,395 
8,825 
2,206 
184 
6.0 
