Yellowtail Dam Weather Station of the U.S. Weather Service

Located in Big Horn County, Montana, Yellowtail Dam is at an elevation of 3305 feet and was established as a weather station on 01 Jul 1948.

From 1971 to 2000, the following average readings were recorded:

 - - - - - - - - - JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC YEAR Average High....... 40.2 46.1 54.0 63.4 72.7 82.7 91.0 91.0 79.2 66.1 49.0 41.7 64.8 Average Low........ 17.7 21.9 28.0 36.2 44.5 52.4 57.2 56.1 47.2 38.5 27.7 20.5 37.3 Monthly Precipitn.. .86 .72 1.39 2.10 3.09 2.21 1.45 .98 1.77 1.89 .95 .87 18.28 Heating Degree Days 1118 869 744 460 224 65 11 23 131 395 801 1051 5892 Cooling Degree Days 0 0 0 5 25 142 293 287 77 1 0 0 830 

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