PLUMMER 3 WSW, IDAHO

Period of Record General Climate Summary - Heating Degree Days

Station:(107188) PLUMMER 3 WSW
From Year=1950 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	1078	882	814	607	434	244	70	74	223	603	847	1098	6974
60	923	741	659	457	287	127	21	24	119	453	697	943	5451
57	830	656	566	370	206	75	9	10	73	366	607	850	4617
55	768	599	504	313	158	48	4	5	51	310	547	788	4095
50	613	458	351	183	65	13	0	0	16	182	399	633	2914

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