UPPER BAKER DAM, WASHINGTON

Period of Record General Climate Summary - Growing Degree Days

Station:(458715) UPPER BAKER DAM
From Year=1965 To Year=2012
Growing Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
40 M	7	16	62	178	379	519	685	710	537	277	60	9	3439
40 S	7	22	85	263	641	1160	1845	2555	3092	3369	3430	3439	3439
45 M	1	2	16	77	230	369	530	555	388	141	13	1	2321
45 S	1	2	18	95	325	694	1224	1779	2166	2308	2321	2321	2321
50 M	0	0	2	27	112	223	375	400	241	52	1	0	1433
50 S	0	0	2	29	141	364	739	1139	1380	1432	1433	1433	1433
55 M	0	0	0	6	43	107	226	248	117	13	0	0	760
55 S	0	0	0	6	49	156	382	630	747	760	760	760	760
60 M	0	0	0	1	12	37	103	116	40	2	0	0	310
60 S	0	0	0	1	13	50	153	269	308	310	310	310	310

Corn Growing Degree Days
50 M	1	9	40	103	201	268	389	411	288	120	11	0	1843
50 S	1	10	51	154	355	623	1012	1423	1712	1832	1843	1843	1843

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