WINCHESTER, OREGON

Period of Record General Climate Summary - Cooling Degree Days

Station:(359461) WINCHESTER
From Year=1950 To Year=2012
Cooling Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
55	0	1	4	26	110	234	452	440	281	63	6	1	1620
57	0	0	1	15	77	181	390	378	225	39	3	0	1311
60	0	0	1	6	43	113	298	286	147	17	1	0	912
65	0	0	0	1	13	40	157	144	54	3	0	0	411
70	0	0	0	0	3	10	58	48	11	0	0	0	129

Cooling Degree Day units are computed as the difference between the daily average temperature and the base temperature. (Daily Ave. Temp. - Base Temp.) One unit is accumulated for each degree Fahrenheit the average temperature is above the base temperature. Negative numbers are discarded. Example: If the days high temperature was 95 and the low temperature was 51, the base 60 heating degree day units is ((95 + 51) / 2) - 60 = 13. 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