CIRCLEVILLE, UTAH

Period of Record General Climate Summary - Growing Degree Days

Station:(421432) CIRCLEVILLE
From Year=1948 To Year=2006
Growing Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
40 M	6	14	66	187	444	698	942	870	590	286	59	8	4169
40 S	6	20	86	273	716	1414	2356	3226	3816	4102	4161	4169	4169
45 M	1	2	20	94	300	548	787	715	443	163	17	1	3090
45 S	1	2	23	117	417	964	1751	2466	2909	3072	3089	3090	3090
50 M	0	0	4	35	174	400	632	560	300	70	2	0	2178
50 S	0	0	4	39	213	614	1246	1805	2105	2175	2178	2178	2178
55 M	0	0	0	8	78	262	477	405	171	19	0	0	1420
55 S	0	0	0	8	86	348	825	1230	1401	1420	1420	1420	1420
60 M	0	0	0	1	23	143	323	253	71	2	0	0	816
60 S	0	0	0	1	24	167	489	742	814	816	816	816	816

Corn Growing Degree Days
50 M	14	28	93	181	333	470	592	558	420	264	87	20	3060
50 S	14	41	134	316	649	1119	1711	2270	2690	2954	3041	3060	3060

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