ALDERPOINT, CALIFORNIA

Period of Record General Climate Summary - Cooling Degree Days

Station:(040088) ALDERPOINT
From Year=1948 To Year=1980
Cooling Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
55	1	5	20	63	162	315	509	499	378	157	22	2	2133
57	0	2	10	39	118	258	447	437	319	113	11	1	1756
60	0	0	3	16	66	180	354	344	235	61	3	0	1264
65	0	0	0	2	17	78	208	197	114	14	0	0	630
70	0	0	0	0	2	26	92	79	36	2	0	0	236

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 Jul 28, 2006
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