WENATCHEE FAA AP, WASHINGTON

Period of Record General Climate Summary - Heating Degree Days

Station:(459082) WENATCHEE FAA AP
From Year=1959 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	1147	861	669	417	205	60	10	11	101	434	826	1128	5867
60	992	720	514	273	98	15	1	1	37	288	676	973	4588
57	899	635	421	193	53	5	0	0	17	210	586	880	3899
55	837	578	360	146	32	2	0	0	9	163	526	818	3471
50	682	437	216	55	5	0	0	0	1	70	377	663	2506

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