WALSH 1 W, COLORADO

Period of Record General Climate Summary - Growing Degree Days

Station:(058793) WALSH 1 W
From Year=1940 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	38	66	192	387	684	969	1156	1084	803	459	152	42	6032
40 S	38	104	297	683	1368	2336	3492	4577	5380	5838	5990	6032	6032
45 M	12	25	106	261	532	819	1001	929	654	322	77	14	4751
45 S	12	37	143	403	935	1754	2755	3684	4338	4660	4738	4751	4751
50 M	3	7	49	154	385	669	846	774	508	202	32	3	3631
50 S	3	10	58	213	598	1267	2112	2887	3395	3597	3628	3631	3631
55 M	0	1	17	77	250	520	691	619	367	107	9	0	2659
55 S	0	1	18	95	345	865	1556	2175	2542	2650	2659	2659	2659
60 M	0	0	3	30	138	374	536	465	237	46	2	0	1831
60 S	0	0	3	33	171	545	1081	1547	1783	1829	1831	1831	1831

Corn Growing Degree Days
50 M	59	84	172	277	428	607	734	697	506	317	138	60	4078
50 S	59	143	315	592	1020	1627	2361	3058	3563	3881	4018	4078	4078

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