JONES PASS 2 E, COLORADO

Period of Record General Climate Summary - Growing Degree Days

Station:(054397) JONES PASS 2 E
From Year=1961 To Year=1973
Growing Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
40 M	0	0	0	1	45	180	384	323	152	30	0	0	1114
40 S	0	0	0	1	46	225	609	932	1085	1114	1114	1114	1114
45 M	0	0	0	0	6	73	230	171	50	5	0	0	535
45 S	0	0	0	0	6	79	309	480	530	535	535	535	535
50 M	0	0	0	0	0	17	85	49	5	1	0	0	157
50 S	0	0	0	0	0	17	101	151	156	157	157	157	157
55 M	0	0	0	0	0	1	8	3	0	0	0	0	13
55 S	0	0	0	0	0	1	9	12	13	13	13	13	13
60 M	0	0	0	0	0	0	0	0	0	0	0	0	0
60 S	0	0	0	0	0	0	0	0	0	0	0	0	0

Corn Growing Degree Days
50 M	0	0	0	4	60	148	271	237	130	35	0	0	886
50 S	0	0	1	4	65	213	484	721	851	885	886	886	886

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