EAU CLAIRE RGNL AP, WISCONSIN

Period of Record General Climate Summary - Heating Degree Days

Station:(472428) EAU CLAIRE FAA AIRPORT
From Year=1949 To Year=2012
Heating Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
65	1641	1335	1099	603	273	68	14	34	212	539	976	1445	8240
60	1486	1194	945	460	160	23	1	7	114	394	826	1290	6901
57	1393	1109	853	379	107	10	0	2	71	313	737	1197	6171
55	1331	1052	792	327	79	5	0	1	49	263	677	1135	5712
50	1176	911	641	211	31	0	0	0	15	155	530	980	4651

Heating Degree Day units are computed as the difference between the base temperature and the daily average temperature. (Base Temp. - Daily Ave. Temp.) One unit is accumulated for each degree Fahrenheit the average temperature is below the base temperature. Negative numbers are discarded. Example: If the days high temperature was 65 and the low temperature was 31, the base 50 heating degree day units is 50 - ((65 + 31) / 2) = 2. 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