MEDFORD ROGUE VLY AP, OREGON

Period of Record General Climate Summary - Heating Degree Days

Station:(355429) MEDFORD WSO AP
From Year=1928 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	827	625	562	401	224	74	7	9	71	320	632	822	4574
60	672	484	408	259	113	20	1	1	23	186	482	667	3316
57	580	399	317	184	65	7	0	0	9	120	393	574	2647
55	518	343	258	139	41	3	0	0	5	84	335	512	2238
50	365	208	130	54	8	0	0	0	0	27	198	360	1351

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