8 BCLUETLS" 1026. U. S. DEPARTMENT OF AGElcn/TDKE. 
Table 2. — Discharge of the Cache la Poudre River at aaging station at mouth 
of canyon. 
Year. 
Apr. May. 
Discharge in second-feet . ^ ; --. 
. muted 
I discharge 
. July. Aug. i Sept. Oct. Nov. Dee. inure- 
1*84 

■ - : : 
1, k"2 
1. 117 
1 281 
1.833 
1 112 
i > : 
: y.i 
: E4f 
i. v.: 
i 72* 
1:1- 
: — 
! 281 
: :-i- 
1 -rl 
: ni 
£1 
511 
647 
541 
614 
735 
452 
511 
485 
B74 
ra 
■: " 9 
-■ : _: 
I M3 
274 
379 
154 
;:4=e: 
689,001 
4-- :•:■: 
I - 
:>>: 
is>7 .... 
I 

Inn* 
4>V 
- - 
i "^ 
570 
"-.-r.V 
1.1^1 
.-.: 
i -:: 
ess 
2V4 
1 >: 
70 
■ 
-Nvl .... 
113 
144 
: : :::::::::::: 
SI 
203 000 
:-- 
' - 
1S91 
m 
:-: .. . 
1393 . 
iv>i .. . 
104 
17S 
1S95 
•74. :•:•: 
:ir :•:•: 
£8.000 
192 000 
isx 
199 
i-: 
iS :::::: ::::::! 
1597 
i ; -- .... 
14f 
- ;>: 
4S >:o 
I.^v .. . 
""-- ; ;■! 
1901 
i?y. 

" V J 
ico 
219.000 
J 1 
1903 
soi 
156 
:>'4 .... 
IV; 


356,000 
1?X 
i >; 
v lr 
7k ! 
r_: 
2.147 
:,1 
"47 
1 1-' 
1900 .... 
119 
135 
; : r 
179 
69 
63 
-v 
g 
m 
s«.:-:o 
1?~-- .... 
tarn 
- 
1910 
19H 
252 XX 
:-" 1 
228 MM 
- 
1912 
1913 
1914 
215 
~ : i-' .... 
... 
|:e ;:;;;; 
274 MM 
ill 
1916 
151 
134 
1917 
Average 
d i s- 
:barge, 
sec -fl '-. 
jl : ■:. : - ;. - 
ier.: 115- 
Per :-*-:.. 
50 
:, :■•: 
1.0 
55 
: .:■>: 
"0.9 
55 
3.375 
192 
1 147 
7:'.4I-: 
123.970 
911 
:: fit 
17. : 
347 
21.. 300 
la 
11,225 
3. 5 
127] 83 60 
" - • 1 m B8S 
2.4 1.5 1.1 
320.130 
ix. : 
figures but vrere obtained by combining 
>r only a part of a mouth which could no: 
-I :.T::;;1, 
Figure 2 shows the discharge of the river from April to September. 
inclusive, during 1916 and 1917. the period of the investigation, as 
compared with the average for a period of 34 years. It will be 
noticed that the discharge for 1916 was very nearly normal, but that 
1917 was far above normal. 
The small creeks tributary to the Cache la Poudre River below 
the canyon furnish only a small percentage of the total water supply 
of the valley. Barnstorms flood these creeks for a day or two. but 
ordinarily they are dry or nearly so. except where a flow of a few 
ad-feet is produced by seepage. Records of flow of the more im- 
portant oft! - taries. together with estimates for the smaller 
streams, show that the supply from this source is about 40,000 acre- 
feet in average years, of which 15.000 acre-feet mav be classed as 
