GRANT GROVE, CALIFORNIA

Period of Record General Climate Summary - Heating Degree Days

Station:(043551) GRANT GROVE
From Year=1948 To Year=2006
Heating Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
65	954	855	912	758	558	281	95	117	238	483	733	910	6894
60	799	714	757	608	408	164	29	42	128	336	583	755	5322
57	706	630	664	518	323	111	12	20	82	257	493	662	4478
55	644	573	602	459	271	83	6	12	60	210	434	600	3954
50	490	433	448	318	160	37	1	2	24	116	295	447	2770

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 Jul 28, 2006
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