POMEROY, WASHINGTON

Period of Record General Climate Summary - Heating Degree Days

Station:(456610) POMEROY
From Year=1948 To Year=2006
Heating Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
65	1002	774	694	475	286	110	25	33	148	438	746	971	5702
60	847	633	539	331	163	41	5	7	68	292	596	816	4338
57	754	549	447	250	104	19	1	2	37	213	506	723	3605
55	692	493	386	200	72	10	0	1	23	166	447	661	3152
50	537	355	243	95	22	1	0	0	5	75	305	507	2145

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 Jul 28, 2006
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