MT EVANS RSCH STN, COLORADO

Period of Record General Climate Summary - Heating Degree Days

Station:(055797) MT EVANS RESEARCH STN
From Year=1983 To Year=1999
Heating Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
65	1556	1361	1337	1150	866	583	436	479	665	988	1318	1559	12300
60	1401	1219	1182	1000	711	434	283	325	515	833	1168	1404	10476
57	1308	1134	1089	910	618	345	196	233	425	740	1078	1311	9390
55	1246	1078	1027	850	556	288	144	176	367	678	1018	1249	8678
50	1091	937	872	700	402	158	50	62	229	524	868	1094	6987

Heating Degree Day units are computed as the difference between the base temperature and the daily average temperature. (Base Temp. - Daily Ave. Temp.) One unit is accumulated for each degree Fahrenheit the average temperature is below the base temperature. Negative numbers are discarded. Example: If the days high temperature was 65 and the low temperature was 31, the base 50 heating degree day units is 50 - ((65 + 31) / 2) = 2. This is done for each day of the month and summed.
Table updated on Oct 31, 2012
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered

Western Regional Climate Center, wrcc@dri.edu