WSP06617

• File Number: 8200.750
• Description: San Juan River General
• State: CO
• Basin: San Juan/Dolores
• Water Division: 7
• Date: 10/15/1956
• Author: BOR
• Title: O Neal Park Project - Colorado - Reconnaissance Report - October 1956
• Water Supply Pro - Doc Type: Report/Study

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Estimated runoff of Piedra River at heading of potential inlet canal to Perry Draw Reservoir
(Unit--l,OOO acre-feet) Drainage area --26.4 square miles

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Water
year 1/ Nov. Dec. Jan. Feb. Lar. Apr. Mav June Julv Au;. Sept. Oct,
1928 1.2 O.~ 0.8 0.6 0.7 1.2 8.5 7.1 2.2 1.1 0.9 0.8
1929 .8 08 . ,7 .5 "6 1,9 13.4 13,8 6.1 6.7 4,3 2.1
1930 .8 .5 .4 .4 .5 2.3 5.4 7.5 2.9 3.2 .9 .8
1931 .5 .4 .4 .3 .4 .7 4.2 6.8 2.5 1.4 1.5 1.9
1932 .7 .8 .8 .6 .8 3,3 15.7 15,3 7.8 4.1 1.5 .7
1933 .5 .4 .5 .4 .5 .7 3.9 10.4 3.3 1.3 1.7 1.2
1934 .5 .5 .4 .3 .6 2.4 3.4 1.7 .6 .9 1.0 .5
1935 .4 .4 .3 .3 .6 1.4 5.0 24.9 9.3 3.3 1.7 1.1
1936 .6 .5 .4 .4 .6 4.0 11.7 5.5 2.1 3.0 1.8 .9
1937 .9 .6 .6 .5 .5 3.8 18.4 8.0 3.1 1.4 1.0 .8
1938 .5 .4 .4 .4 .6 3.5 11.2 21.1 6.8 1.9 3.2 2.4
1939 1.0 .7 .6 .4 .8 1.8 5.5 4.4 1.1 .9 2.2 .7
1940 .5 .4 .4 .3 .7 1.3 6.2 3.0 1.3 .7 1.3 2.0
1941 .6 .8 .7 .5 .6 1.4 24.6 35.5 20.9 3.8 2.7 7.0
1942 2.6 1.4 1.0 .6 .4 3.8 11.5 17.1 4.1 1.2 .7 .5
1943 .5 .5 .6 .5 .5 2.4 6.6 7.0 2.4 2.3 .9 .6
1944 .6 .6 .6 .4 .3 1.6 17.8 22.7 9.2 1.1 .5 .8
1945 ,6 .6 .6 .4 .3 1.3 12.4 13.8 3.9 1.3 .5 .7
1946 .4 .4 .4 .4 .4 1.2 3.8 6.4 1.3 1.8 1.1 1.2
1947 .8 .8 .6 ,5 .6 .8 8.8 8.6 2.2 2.9 2.6 2.5
1948 .9 .8 .7 .5 .4 3.1 15.2 17.7 4.2 1.4 .6 .5
1949 .4 .4 .5 .4 .4 2.5 12.6 23.3 11.0 1.5 .7 .8
1950 .6 .5 .6 .5 .5 1.9 5.4 6.2 2.0 .6 .5 .6
1951 .3 .4 .3 ,3 .4 .5 5.3 5.4 .8 1.4 .7 .4
1952 .3 .5 .6 .4 .3 2.9 14.6 26.1 7.3 2.5 1.1 .6
T.'l'Qal 17.5 14.9 13.9 10.8 13.0 51.7 251.1 319.3 118.4 51.7 35.6 32.1
. l'lCan . 0 ,.60 . 6 .43 52 2,0 10 .04 12,77 4.71, 2.07 1.42 -.-1...2.8
1 Beginning November 1 of preceding calendar year and ending October 31 of calendar year
indicated.

Total
25.9
51.7
25.6
21.0
52.1
24.8
12.8
48.7
:31.5
39.6
52.4
20.1
18.1
99.1
44.9
24.8
56.2
36.4
18.8
31.7
46.0
54.5
19.9
16.2
57.2
930.0
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