BROWNING, MONTANA

Period of Record General Climate Summary - Heating Degree Days

Station:(241202) BROWNING
From Year=1894 To Year=1989
Heating Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
65	1453	1224	1165	782	525	310	130	172	408	681	1054	1310	9214
60	1298	1083	1010	633	375	182	48	74	273	528	904	1155	7562
57	1205	999	917	544	291	118	22	39	203	440	814	1062	6652
55	1143	942	855	485	238	84	12	23	162	383	754	1000	6081
50	988	801	701	346	127	27	2	5	83	255	606	845	4786

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