BLAIR, WISCONSIN

Period of Record General Climate Summary - Growing Degree Days

Station:(470882) BLAIR
From Year=1925 To Year=2011
Growing Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
40 M	0	1	37	202	523	787	955	882	589	280	45	2	4305
40 S	0	2	38	240	764	1551	2506	3388	3977	4257	4302	4305	4305
45 M	0	0	16	117	378	638	800	727	442	171	18	1	3308
45 S	0	0	16	134	511	1149	1949	2676	3118	3289	3307	3308	3308
50 M	0	0	6	61	247	489	645	573	305	92	7	0	2423
50 S	0	0	6	67	314	803	1447	2020	2325	2416	2423	2423	2423
55 M	0	0	2	28	143	344	490	419	188	41	2	0	1657
55 S	0	0	2	30	173	517	1007	1426	1614	1655	1657	1657	1657
60 M	0	0	0	11	72	215	337	272	101	15	0	0	1023
60 S	0	0	0	11	84	299	636	907	1008	1023	1023	1023	1023

Corn Growing Degree Days
50 M	0	2	28	141	331	504	628	574	370	183	32	2	2795
50 S	0	2	30	171	502	1006	1634	2208	2579	2762	2794	2795	2795

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