Great Sand DunesNational Monument
Weather Station of the U.S. Weather Service

Located in Alamosa County, Colorado, Great Sand DunesNational Monument is at an elevation of 8120 feet and was established as a weather station on 01 Sep 1950.

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....... 34.3 38.7 46.2 54.6 64.8 76.1 80.2 77.7 70.8 59.9 45.0 35.8 57.0 Average Low........ 8.0 12.7 21.3 27.6 36.6 45.6 50.8 49.3 42.3 32.2 19.8 10.2 29.7 Monthly Precipitn.. .46 .39 .88 .90 1.13 .88 1.69 1.95 1.23 .95 .62 .43 11.51 Heating Degree Days 1359 1101 970 717 445 146 42 73 256 587 978 1303 7977 Cooling Degree Days 0 0 0 0 1 21 59 27 3 0 0 0 111 

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