BELLINGHAM 2 N, WASHINGTON

Period of Record General Climate Summary - Heating Degree Days

Station:(450564) BELLINGHAM 2 N
From Year=1915 To Year=1985
Heating Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
65	872	689	670	515	364	210	126	125	242	465	651	805	5733
60	717	547	515	365	214	83	29	28	109	311	501	650	4070
57	624	463	422	276	133	32	7	6	54	223	411	557	3207
55	562	406	360	219	86	13	2	1	30	168	352	495	2694
50	409	267	210	92	17	1	0	0	4	62	211	343	1615

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