STRATTON, COLORADO

Period of Record General Climate Summary - Growing Degree Days

Station:(058008) STRATTON
From Year=1934 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	25	44	129	304	587	872	1095	1041	738	422	109	33	5399
40 S	25	69	199	502	1090	1962	3056	4097	4836	5258	5366	5399	5399
45 M	7	16	63	189	437	722	940	886	590	288	49	10	4197
45 S	7	23	86	275	713	1434	2374	3260	3851	4138	4188	4197	4197
50 M	1	4	25	102	297	573	785	731	445	172	17	2	3152
50 S	1	5	30	131	428	1000	1785	2516	2962	3134	3150	3152	3152
55 M	0	1	7	44	176	426	630	577	308	85	4	0	2257
55 S	0	1	8	51	227	653	1283	1860	2168	2253	2256	2257	2257
60 M	0	0	1	13	85	287	475	423	187	31	0	0	1504
60 S	0	0	1	15	100	387	862	1285	1472	1503	1504	1504	1504

Corn Growing Degree Days
50 M	38	58	126	227	369	542	695	661	467	300	104	44	3632
50 S	38	96	222	449	817	1360	2055	2716	3183	3483	3587	3632	3632

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