GUNNISON, UTAH

Period of Record General Climate Summary - Growing Degree Days

Station:(423514) GUNNISON
From Year=1956 To Year=1990
Growing Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
40 M	3	21	79	215	478	739	976	914	615	311	57	5	4412
40 S	3	24	102	317	795	1534	2510	3424	4040	4350	4407	4412	4412
45 M	0	4	26	112	331	589	821	759	468	183	17	1	3310
45 S	0	5	30	143	474	1062	1884	2642	3110	3293	3310	3310	3310
50 M	0	1	5	45	199	439	666	604	325	82	3	0	2369
50 S	0	1	6	51	249	689	1355	1959	2284	2366	2369	2369	2369
55 M	0	0	0	12	95	295	511	449	195	25	0	0	1584
55 S	0	0	0	12	108	403	914	1364	1558	1583	1584	1584	1584
60 M	0	0	0	2	30	169	356	297	88	4	0	0	945
60 S	0	0	0	2	31	200	557	853	942	945	945	945	945

Corn Growing Degree Days
50 M	6	31	100	204	366	493	597	575	449	287	84	12	3205
50 S	6	37	137	341	707	1201	1797	2373	2822	3109	3193	3205	3205

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