FREDERIC, WISCONSIN

Period of Record General Climate Summary - Growing Degree Days

Station:(472934) FREDERIC
From Year=1948 To Year=1971
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	22	198	525	777	966	908	582	324	43	1	4347
40 S	0	1	23	221	746	1523	2489	3397	3979	4303	4346	4347	4347
45 M	0	0	9	116	381	627	811	753	434	208	17	0	3356
45 S	0	0	9	125	506	1133	1945	2697	3131	3339	3356	3356	3356
50 M	0	0	3	62	252	479	656	598	295	121	4	0	2471
50 S	0	0	3	65	317	796	1452	2050	2345	2467	2471	2471	2471
55 M	0	0	0	28	150	334	502	444	180	60	1	0	1698
55 S	0	0	0	28	178	512	1014	1458	1638	1698	1698	1698	1698
60 M	0	0	0	11	76	205	349	297	93	24	0	0	1054
60 S	0	0	0	11	87	291	640	937	1030	1054	1054	1054	1054

Corn Growing Degree Days
50 M	0	1	16	129	326	493	639	593	350	191	22	1	2760
50 S	0	1	16	146	472	965	1604	2197	2547	2738	2759	2760	2760

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