ANVIL RCH, ARIZONA

Period of Record General Climate Summary - Cooling Degree Days

Station:(020287) ANVIL RANCH
From Year=1942 To Year=2012
Cooling Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
55	15	38	115	267	516	784	931	859	699	405	114	21	4763
57	7	22	80	216	455	724	869	797	639	346	80	11	4245
60	2	8	40	146	364	634	776	704	549	262	40	3	3529
65	0	1	8	58	222	484	621	549	400	137	7	1	2488
70	0	0	0	14	106	335	466	394	252	49	0	0	1618

Cooling Degree Day units are computed as the difference between the daily average temperature and the base temperature. (Daily Ave. Temp. - Base Temp.) One unit is accumulated for each degree Fahrenheit the average temperature is above the base temperature. Negative numbers are discarded. Example: If the days high temperature was 95 and the low temperature was 51, the base 60 heating degree day units is ((95 + 51) / 2) - 60 = 13. 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