PERKINSVILLE, ARIZONA

Period of Record General Climate Summary - Cooling Degree Days

Station:(026424) PERKINSVILLE
From Year=1962 To Year=1972
Cooling Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
55	0	0	7	44	228	445	739	681	452	182	4	0	2783
57	0	0	2	22	177	385	677	619	394	132	1	0	2409
60	0	0	0	6	110	297	584	526	307	74	0	0	1904
65	0	0	0	0	32	164	429	371	169	17	0	0	1182
70	0	0	0	0	4	66	274	218	60	0	0	0	623

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