GRANVILLE, ARIZONA

Period of Record General Climate Summary - Heating Degree Days

Station:(023635) GRANVILLE
From Year=1955 To Year=1975
Heating Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
65	939	754	733	511	277	71	13	16	89	361	666	901	5330
60	784	612	578	362	151	23	2	1	22	217	516	746	4013
57	691	528	485	276	91	9	0	0	7	145	426	653	3311
55	629	471	424	223	61	4	0	0	2	105	366	591	2876
50	474	333	277	113	19	0	0	0	0	41	224	436	1918

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