WISE RIVER 3 WNW, MONTANA

Period of Record General Climate Summary - Heating Degree Days

Station:(249082) WISE RIVER 3 WNW
From Year=1943 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	1418	1248	1139	857	636	398	177	234	454	791	1132	1439	9923
60	1263	1106	984	707	481	253	64	99	306	636	982	1284	8166
57	1170	1021	891	617	391	175	26	47	223	543	892	1191	7186
55	1108	964	829	557	331	130	13	25	174	482	832	1129	6576
50	953	822	674	408	194	47	2	5	80	334	682	974	5175

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