DELTA, COLORADO

Period of Record General Climate Summary - Heating Degree Days

Station:(052192) DELTA
From Year=1893 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	1226	904	720	429	183	30	1	4	98	414	806	1159	5974
60	1071	763	565	285	86	7	0	0	35	266	656	1004	4739
57	978	678	473	208	50	2	0	0	18	188	566	911	4072
55	916	622	412	163	33	1	0	0	11	144	507	849	3656
50	761	481	267	78	9	0	0	0	3	63	359	694	2714

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