ELLENSBURG BOWERS FLD, WASHINGTON

Period of Record General Climate Summary - Heating Degree Days

Station:(452508) ELLENSBURG FAA AIRPORT
From Year=1940 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	1271	939	813	524	288	142	29	35	165	512	889	1118	6725
60	1116	798	658	376	159	53	5	5	75	361	739	963	5309
57	1023	713	565	290	100	23	1	1	41	275	649	870	4552
55	961	657	503	235	69	11	1	0	25	222	589	808	4080
50	806	516	350	114	19	0	0	0	4	111	440	653	3014

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