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<br />Average annual precipitation
<br />October-April precipitation
<br />Percent, winter of annual
<br />October precipitation
<br />Percent, October of winter
<br />
<br />11. 49 in.
<br />6.50 in.
<br />57%
<br />1. 1 7 in.
<br />18%
<br />
<br />Mid -level group
<br />
<br />15.66 in.
<br />8.96 in.
<br />58%
<br />1. 36 in.
<br />15%
<br />
<br />High-level group
<br />
<br />21.83 in.
<br />12. 84 in.
<br />59%
<br />1. 69 in.
<br />13%
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<br />Table 1
<br />
<br />AVERAGE MONTHLY PRECIPITATION BY STATION GROUPINGS*
<br />
<br />StatIon
<br />group Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Total
<br />Low level 1. 17 0.74 0.93 0.95 0.84 0.92 0.95 0.92 0.61 1.03 1. 35 1. 08 11.49 in.
<br />Mid level 1. 36 0.99 1. 29 1. 35 1. 24 1.37 1. 36 1.40 1.03 1.47 1,62 1.18 15.66 in.
<br />High level 1. 69 1. 36 1.77 1. 94 1. 86 2.18 2.04 1.65 1.34 2.25 2.16 1.59 21.83 in.
<br />High level 8% 6% 8% 9% 90/0 100/0 90/0 8% 6% 100/0 10% 7% 1000/0
<br />Monthly %
<br />
<br />Low -level group
<br />
<br />Low-level Station Group
<br />(below 6, 2UU feet)
<br />
<br />Paonia, Colorado
<br />Border, Wyoming
<br />Cortez, Colorado
<br />Blanding, Utah
<br />Rifle, Colorado
<br />
<br />Montrose, Colorado
<br />Escalante, Utah
<br />Duchesne, Utah
<br />Grand Junction, Colorado
<br />Delta, Colorado
<br />
<br />Mid-level Station Group
<br />{6, 2UU feet to '( ,999 feet)
<br />
<br />Gunnison, Colorado
<br />Kendall, Wyoming
<br />Hiawatha, Utah
<br />pagosa Springs, Colorado
<br />Dulce, New"Mexico
<br />Evanston, Wyoming
<br />E1khorn, Utah
<br />
<br />Bedford, Wyoming
<br />Dixon, Wyoming
<br />Meeker, Colorado
<br />Glenwood Springs, Colorado**
<br />Durango, Colorado
<br />Collbran, Colorado
<br />
<br />High-level Station-Group
<br />(above B, UUU feet)
<br />
<br />Silverton, Colorado
<br />Dillon, Colorado
<br />Crested Butte, Colorado
<br />
<br />Telluride, Colorado
<br />Fraser, Colorado
<br />Steamboat Springs, Colorado**
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<br />*~chleusener, R. A., and Crow, L. W., "Analysis of Precipitation Data in the Upper
<br />Colorado River Basin, " Colorado State University, Report CER61RAS52, Fort Collins,
<br />Colorado, October 1961.
<br />**Arbitrarily included in next higher elevation group due to abnormally large precipita-
<br />tion amounts.
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<br />18
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