OCCIDENTAL, CALIFORNIA

Period of Record General Climate Summary - Heating Degree Days

Station:(046370) OCCIDENTAL
From Year=1943 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	516	434	389	347	222	113	88	72	86	161	358	506	3291
60	362	294	249	211	103	35	14	9	19	68	221	351	1935
57	271	213	173	138	49	10	2	1	4	31	147	260	1297
55	212	163	127	95	24	4	0	0	1	14	103	200	943
50	84	58	42	23	1	0	0	0	0	1	31	77	316

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