BULLHEAD CITY, ARIZONA

Period of Record General Climate Summary - Cooling Degree Days

Station:(021050) BULLHEAD CITY
From Year=1977 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	60	130	294	517	824	1061	1270	1233	982	623	238	52	7283
57	34	92	238	457	762	1001	1208	1171	922	561	188	29	6664
60	13	48	162	370	669	911	1115	1078	832	469	124	10	5800
65	1	10	67	234	514	761	960	923	682	320	48	1	4522
70	0	2	19	121	363	611	805	768	532	188	12	0	3421

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