Grass Range Weather Station of the U.S. Weather Service

Located in Fergus County, Montana, Grass Range is at an elevation of 3490 feet and was established as a weather station on 01 Aug 1937.

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....... 34.7 39.9 46.9 56.6 65.8 74.7 81.4 81.6 70.6 59.8 44.2 36.9 57.8 Average Low........ 10.9 15.6 22.5 30.6 39.3 46.8 51.0 50.3 41.0 32.4 20.7 13.5 31.2 Monthly Precipitn.. .79 .31 .99 1.44 3.08 2.81 2.06 1.59 1.27 .92 .61 .64 16.51 Heating Degree Days 1309 1043 938 641 389 169 87 108 304 586 977 1235 7786 Cooling Degree Days 0 0 0 0 3 41 124 137 28 0 0 0 333 

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