ASHLAND, OREGON

Period of Record General Climate Summary - Heating Degree Days

Station:(350304) ASHLAND
From Year=1892 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	832	652	616	457	289	122	23	27	128	375	637	828	4985
60	677	511	461	312	163	45	4	4	51	232	487	673	3620
57	584	427	369	231	103	19	1	1	24	157	398	580	2895
55	522	371	310	181	71	10	0	0	13	115	340	518	2451
50	370	236	174	82	20	1	0	0	1	41	203	367	1495

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