ARVILLA SP, NORTH DAKOTA

Period of Record General Climate Summary - Heating Degree Days

Station:(320369) ARVILLA STATE PARK
From Year=1946 To Year=1967
Heating Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
65	1950	1572	1328	709	351	107	26	51	276	613	1147	1660	9791
60	1795	1431	1173	565	225	43	4	14	164	463	997	1505	8379
57	1702	1347	1080	481	162	23	1	4	110	377	907	1412	7605
55	1640	1291	1018	426	126	14	0	2	81	322	847	1350	7117
50	1485	1150	865	298	59	3	0	0	31	201	697	1195	5986

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