KARVAL, COLORADO

Period of Record General Climate Summary - Heating Degree Days

Station:(054444) KARVAL
From Year=1941 To Year=2012
Heating Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
65	1076	915	753	505	247	48	5	11	124	432	792	1087	5996
60	921	774	599	363	137	15	1	2	62	292	642	932	4741
57	828	689	509	284	90	7	0	1	40	220	554	839	4061
55	766	633	450	236	66	4	0	1	30	178	496	777	3636
50	612	493	313	139	27	1	0	0	14	98	361	624	2681

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