LAKE KACHESS, WASHINGTON

Period of Record General Climate Summary - Growing Degree Days

Station:(454406) LAKE KACHESS
From Year=1931 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	1	2	17	100	299	487	716	710	485	206	19	2	3045
40 S	1	3	20	120	419	907	1623	2333	2818	3025	3043	3045	3045
45 M	0	0	3	37	170	339	561	555	339	98	3	0	2105
45 S	0	0	3	40	210	549	1110	1665	2004	2102	2105	2105	2105
50 M	0	0	0	10	80	204	407	401	207	36	0	0	1346
50 S	0	0	0	10	90	294	702	1103	1310	1346	1346	1346	1346
55 M	0	0	0	3	29	103	262	256	105	9	0	0	767
55 S	0	0	0	3	31	135	396	652	758	767	767	767	767
60 M	0	0	0	1	8	42	142	137	40	1	0	0	370
60 S	0	0	0	1	8	50	192	329	369	370	370	370	370

Corn Growing Degree Days
50 M	0	2	19	75	186	272	429	426	308	132	8	0	1858
50 S	0	2	21	96	283	555	984	1409	1717	1850	1858	1858	1858

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 Jul 28, 2006
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