LOGAN RADIO KVNU, UTAH

Period of Record General Climate Summary - Growing Degree Days

Station:(425182) LOGAN RADIO KVNU
From Year=1956 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	2	8	64	202	467	707	991	936	606	279	40	5	4307
40 S	2	10	74	275	743	1449	2440	3377	3983	4262	4302	4307	4307
45 M	0	1	21	104	322	557	836	781	459	159	10	1	3252
45 S	0	1	23	127	449	1006	1842	2623	3082	3241	3251	3252	3252
50 M	0	0	4	44	196	409	681	626	318	71	1	0	2351
50 S	0	0	4	48	244	654	1335	1961	2279	2350	2351	2351	2351
55 M	0	0	0	13	100	271	526	472	192	23	0	0	1597
55 S	0	0	0	13	113	384	910	1382	1574	1597	1597	1597	1597
60 M	0	0	0	2	38	153	373	321	90	4	0	0	980
60 S	0	0	0	2	40	193	565	887	976	980	980	980	980

Corn Growing Degree Days
50 M	1	7	53	147	300	446	621	593	408	223	38	3	2840
50 S	1	8	61	208	508	954	1575	2168	2576	2799	2837	2840	2840

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