PORT ANGELES, WASHINGTON

Period of Record General Climate Summary - Heating Degree Days

Station:(456624) PORT ANGELES
From Year=1933 To Year=2008
Heating Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
65	791	666	665	522	386	255	174	171	246	456	633	753	5719
60	636	525	510	372	235	119	53	49	112	301	483	598	3994
57	543	440	417	283	152	53	13	12	52	211	393	505	3075
55	481	384	355	224	103	24	4	3	27	155	334	443	2536
50	327	243	202	93	21	1	0	0	2	50	188	289	1417

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