LEVAN, UTAH

Period of Record General Climate Summary - Growing Degree Days

Station:(425065) LEVAN
From Year=1895 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	4	14	85	243	486	743	1013	960	663	335	72	7	4625
40 S	4	18	103	346	832	1575	2588	3548	4212	4546	4618	4625	4625
45 M	0	2	31	135	340	593	858	805	515	206	24	1	3511
45 S	0	3	34	169	509	1103	1960	2766	3281	3487	3510	3511	3511
50 M	0	0	7	61	210	446	703	650	371	104	5	0	2557
50 S	0	0	8	68	278	724	1427	2077	2448	2552	2557	2557	2557
55 M	0	0	1	20	107	305	548	496	236	39	1	0	1753
55 S	0	0	1	21	128	434	981	1477	1713	1752	1753	1753	1753
60 M	0	0	0	3	39	180	394	342	122	8	0	0	1087
60 S	0	0	0	4	42	222	616	957	1079	1087	1087	1087	1087

Corn Growing Degree Days
50 M	4	16	81	190	330	476	639	613	438	252	72	8	3119
50 S	4	19	101	290	620	1097	1736	2349	2788	3039	3111	3119	3119

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