SAN MANUEL, ARIZONA

Period of Record General Climate Summary - Cooling Degree Days

Station:(027530) SAN MANUEL
From Year=1954 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	8	29	109	247	509	786	878	803	660	388	83	11	4513
57	4	16	78	198	448	726	816	741	600	331	54	5	4017
60	1	6	42	131	358	636	723	648	510	250	24	1	3330
65	0	1	10	49	219	486	568	493	361	132	3	0	2322
70	0	0	1	11	106	338	413	339	218	48	0	0	1473

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