GRAND RAPIDS 1 N, NORTH DAKOTA

Period of Record General Climate Summary - Heating Degree Days

Station:(323665) GRAND RAPIDS 1 N
From Year=1950 To Year=1962
Heating Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
65	1752	1422	1224	662	299	81	19	29	235	551	1086	1527	8886
60	1597	1280	1069	519	179	29	3	6	130	406	936	1372	7526
57	1504	1196	976	436	123	15	1	2	83	327	846	1279	6788
55	1442	1139	914	383	92	9	0	1	61	277	786	1217	6322
50	1287	998	760	261	39	2	0	0	25	170	636	1062	5240

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