WSP13041

• File Number: 8142.400
• Description: Trinidad Irrigation and Flood Control project, Colorado
• State: CO
• Date: 12/1/1960
• Author: USDOI/BOR
• Title: Watter Supply Appendix
• Water Supply Pro - Doc Type: Report/Study

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Table 3.--Crop irrigation requirements, Trinidad Project Area, Colorado

Consumptive Precipitation
Grov1 "II Ettect1ve heat use Groving Effective Irrigation
Year season units requirement sealon requirement
Trlnldad Hoehne !I (ac-tt/acre) (lnchel) (teet) (&c-tt(acre)
ld c/
1925 4/24-10/14 9.593 9.735 2.36 10.51 0.80 1.56
1926 4/13-9(24 9,tJ22 10,0113 2.]9 7.52 0.59 1.80
1927 "/21-9(25 9.498 9,688 2.34 11. 29 0.34 1.50
1928 4/25-10(14 9.271 9.456 2.31 12.77 0.)5 1.36
1929 5/1-10/Z< 8,314 8,480 2.15 12.56 0-97 1.18
1930 5/22-10/16 9.536 9,727 2.35 11.26 0.85 1.50
1931 5/21-10/26 9.078 9.260 2.28 9.oJ. 0.70 1.58
1932 4/28-10/4 8,67" 8,847 2.21 8.55 0.67 1.54
1933 5/13-11/2 9.709 9.903 2.37 8.z< 0.67 1.70
1934 1 -10 (24 10.)51 11,170 2.57 6.62 0.52 2.05
-- - - -- - -
1935 5/4-9/27 9,273 9.458 2.31 11.31 0.87 1.41,
1936 4(6-10/7 9.724 9,918 2.38 11.9'. 0.92 1.46
1937 4/30-10/19 9,744 9.939 2.}8 8.08 0.64 1. 74
1933 5/8-10(18 9,087 9,269 2.28 11.40 0.90 1.}8
1939 4/19-10/10 9.262 9.447 2.30 6.71 0.54 1. 76
I-- -- - I- -. -
1940 4/18-10/29 9.078 9,260 2.28 9.34 0.75 1.53
1941 4/21-10/7 9,407 9.595 2.33 18.64 1.38 0.95
19"2 5/6-9/26 9,589 9,7ilJ. 2.)6 15.96 1.08 1.28
1943 5/13-10/8 9,065 9,246 2.27 7.67 0.58 1.69
19'.4 5/5-10/31 8.895 9,073 2.25 10.17 0.81 1.44
1945 5/15-9/13 7.853 8,010 2.08 11.83 0.91 1.17
19'16 5/ll-10/10 9,JQ4 9.490 2.31 10.29 0.~1_ - 1.50
1947 5/29-10/23 9,166 9,349 2.29 12.07 0.92 1.37
1948 5/6-10/7 9,553 9,744 2.35 10.68 0.79 1.56
1949 5/6-10/12 - 8.901 2.22 12.54 0.90 1.32
1950 5/25-9/10 - 8.540 2.16 8.91 0.69 1.47
1951 4/16-10/17 - 7,809 2.05 8.19 0.65 1.40
1952 4/13-10/14 - 9,246 2.27 6.98 0.55 1.72
1953 5/5-10/23 - 8,941 2.23 11.65 0.87 1.36
195" 4/3-1O/~1 - 10,'...86 2,'~1 9.41 0.72 1. 75
1955 4/14-10/25 - 9,602 2.33 11.88 0.76 1.57
1956 4(12-10/29 - 10.237 2.43 4.42 0.35 2.08
1957 4/14-10/23 - 8,911 ~~.22 9.39 0.70 1.52
Total UQ,536 1'>.88 ....l1l.80 25.65 50.23
Average 9,41ij. 2.JJ 10.2Ii 0.76 1.52

!! 1925 through 1948 estimated &8 102 percent of Trinidad effective heat unite.
'ij 1925 thrOU8h 1936 e8t1mated ss 82.8 percent ot Trlnldad preclpl tatlon (growlng lesson).
"ij Effective precipitation averages 91 percent of graving 8ef:LDOn and 72 percent ot annual.

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