WATERVILLE PUMP STN, MAINE

Period of Record General Climate Summary - Heating Degree Days

Station:(179151) WATERVILLE PUMP STN
From Year=1958 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	1434	1225	1032	646	316	87	16	30	183	508	818	1246	7542
60	1279	1084	878	498	186	28	1	5	87	359	668	1091	6163
57	1186	999	785	411	121	11	0	1	47	276	579	998	5414
55	1124	943	723	354	86	5	0	0	29	225	520	936	4945
50	969	802	569	218	27	0	0	0	6	117	376	782	3867

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