SILVER LAKE RANGER STN, OREGON

Period of Record General Climate Summary - Heating Degree Days

Station:(357817) SILVER LAKE RANGER STN
From Year=1968 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	1070	901	848	679	467	253	93	100	273	583	868	1117	7250
60	915	759	693	530	322	142	35	35	155	429	718	962	5696
57	822	675	600	442	244	91	17	17	103	342	628	869	4849
55	760	618	538	384	198	65	10	9	76	287	568	807	4320
50	605	477	384	250	101	22	2	1	30	167	421	652	3113

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