date! ,

Period of Record General Climate Summary - Heating Degree Days

Station:(211063) BROWNS VALLEY
From Year=1973 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	1663	1360	1119	616	262	60	11	29	204	571	1020	1489	8406
60	1508	1219	964	474	156	18	2	6	111	426	870	1334	7089
57	1415	1134	871	392	107	8	1	1	70	344	781	1241	6366
55	1353	1078	810	340	81	4	0	1	49	292	721	1179	5908
50	1198	937	657	222	35	0	0	0	17	178	575	1024	4844

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