PROVO BYU, UTAH

Period of Record General Climate Summary - Growing Degree Days

Station:(427064) PROVO BYU
From Year=1916 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	12	34	163	337	610	861	1126	1060	736	394	106	18	5457
40 S	12	46	209	546	1156	2017	3144	4203	4939	5333	5439	5457	5457
45 M	2	8	78	214	458	711	971	905	587	260	46	4	4242
45 S	2	10	88	302	759	1470	2442	3346	3933	4193	4239	4242	4242
50 M	0	1	29	116	315	562	816	750	440	147	14	0	3191
50 S	0	1	30	146	462	1024	1840	2590	3030	3177	3191	3191	3191
55 M	0	0	8	50	191	417	662	595	301	64	2	0	2290
55 S	0	0	8	57	249	666	1327	1922	2223	2287	2290	2290	2290
60 M	0	0	1	15	97	280	507	440	176	20	0	0	1537
60 S	0	0	1	16	113	393	900	1340	1517	1537	1537	1537	1537

Corn Growing Degree Days
50 M	8	25	114	220	388	539	703	672	476	263	72	10	3490
50 S	8	33	147	367	755	1294	1997	2669	3145	3408	3480	3490	3490

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