SNOWFLAKE 15 W, ARIZONA

Period of Record General Climate Summary - Cooling Degree Days

Station:(028018) SNOWFLAKE 15 W
From Year=1965 To Year=1998
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	3	25	130	363	544	483	284	71	2	0	1905
57	0	0	1	13	93	306	482	421	229	47	1	0	1592
60	0	0	0	4	50	224	389	328	153	21	0	0	1170
65	0	0	0	0	12	112	235	179	56	3	0	0	598
70	0	0	0	0	1	42	99	58	10	0	0	0	211

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