MC NARY DAM, OREGON

Period of Record General Climate Summary - Heating Degree Days

Station:(355389) MC NARY DAM
From Year=1948 To Year=1954
Heating Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
65	1116	782	644	360	164	66	4	6	69	371	696	893	5172
60	961	641	489	224	75	19	0	0	25	228	546	738	3947
57	868	556	397	153	38	6	0	0	13	156	456	645	3288
55	806	500	336	111	23	2	0	0	7	115	396	583	2880
50	652	363	192	37	4	0	0	0	1	42	254	430	1974

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