DURANGO, COLORADO

Period of Record General Climate Summary - Heating Degree Days

Station:(052441) DURANGO WATER RESOURCES
From Year=1991 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	1157	916	764	541	291	77	6	11	139	472	842	1144	6359
60	1002	774	609	392	157	25	1	1	52	320	692	989	5014
57	909	689	516	305	97	11	0	0	27	237	602	896	4290
55	847	633	454	249	67	5	0	0	17	188	542	834	3836
50	692	492	304	129	22	0	0	0	4	93	395	679	2810

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