ANDOVER, SOUTH DAKOTA

Period of Record General Climate Summary - Heating Degree Days

Station:(390198) ANDOVER 8 NNE
From Year=1937 To Year=2005
Heating Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
65	1673	1354	1122	612	293	82	16	30	204	511	1007	1448	8352
60	1518	1213	967	471	180	31	3	8	115	371	857	1293	7027
57	1425	1129	875	391	126	16	1	3	75	295	767	1200	6303
55	1363	1072	814	341	97	9	0	1	55	248	707	1138	5847
50	1208	931	663	228	43	2	0	0	21	150	560	983	4790

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