ORICK PRAIRIE, CALIFORNIA

Period of Record General Climate Summary - Heating Degree Days

Station:(046498) ORICK PRAIRIE CREEK PK
From Year=1937 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	637	522	538	463	379	268	196	182	199	332	488	628	4830
60	482	381	383	313	227	127	61	49	73	182	338	473	3089
57	389	296	290	226	143	59	16	11	26	105	250	380	2192
55	327	241	230	170	94	29	4	3	10	65	194	319	1687
50	182	117	99	58	19	2	0	0	0	11	78	176	743

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