WIND RIVER, WASHINGTON

Period of Record General Climate Summary - Growing Degree Days

Station:(459342) WIND RIVER
From Year=1901 To Year=1977
Growing Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
40 M	10	17	69	196	418	567	747	718	547	298	68	23	3677
40 S	10	27	95	292	710	1277	2024	2741	3289	3586	3654	3677	3677
45 M	1	2	20	88	270	417	592	563	398	163	18	5	2536
45 S	1	3	24	111	381	798	1389	1952	2350	2513	2531	2536	2536
50 M	0	0	4	29	144	269	437	408	255	67	2	0	1616
50 S	0	0	4	33	178	447	884	1292	1546	1613	1616	1616	1616
55 M	0	0	0	6	62	145	285	257	132	18	0	0	905
55 S	0	0	0	7	69	214	498	755	888	905	905	905	905
60 M	0	0	0	1	19	66	153	128	51	2	0	0	420
60 S	0	0	0	1	20	86	239	367	417	420	420	420	420

Corn Growing Degree Days
50 M	2	10	53	146	276	346	469	451	360	183	28	5	2328
50 S	2	12	65	210	487	833	1302	1752	2112	2295	2323	2328	2328

M = Monthly Data
S - Running sum of monthly data.
Growing Degree Day units are computed as the difference between the daily average temperature and the base temperature. (Daily Ave. Temp. - Base Temp.) One unit is accumulated for each degree Fahrenheit the average temperature is above the base temperature. Negative numbers are discarded. Example: If the days high temperature was 95 and the low temperature was 51, the base 60 heating degree day units is ((95 + 51) / 2) - 60 = 13. This is done for each day of the month and summed.
Corn Growing Degree Day units have the limitations that the maximum daily temperatures greater than 86 F are set to 86 F and minimums less than 50 F are set to 50 F.
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