ALPINE, TEXAS

Period of Record General Climate Summary - Cooling Degree Days

Station:(410174) ALPINE
From Year=1900 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	20	38	110	267	482	655	673	645	480	284	80	24	3758
57	11	23	78	217	421	595	611	583	421	231	54	13	3258
60	3	9	41	149	332	505	518	490	334	157	24	4	2568
65	0	1	8	62	194	356	364	335	198	64	4	0	1587
70	0	0	1	15	86	212	211	186	85	15	0	0	811

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