Historical Climate Data

Temperature Summary
Station: 471416 CHARMANY FARM, WI
1971-2000 NCDC Normals

Element	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANN
Max °F	23.5	28.9	40.8	54.3	66.6	76.7	80.6	78.0	69.7	58.5	42.4	29.1	54.1
Min °F	6.2	11.6	23.0	34.8	46.4	55.7	60.2	58.2	49.6	37.8	25.2	12.6	35.1
Mean °F	14.9	20.3	31.9	44.6	56.5	66.2	70.4	68.1	59.7	48.2	33.8	20.9	44.6
HDD base 65	1554	1254	1027	615	298	62	12	57	193	528	937	1368	7905
CDD base 65	0	0	0	1	34	97	178	153	31	5	0	0	499

Temperature Extremes
Period of Record: 1959-2001

Month	High Mean°F	Year	Low Mean°F	Year	1-Day Max°F	Date	1-Day Min°F	Date
JAN	27.8	1990	2.7	1977	54	01-25-1967	-34	01-19-1994
FEB	33.7	1998	8.3	1979	64	02-26-2000	-27	02-03-1996
MAR	41.9	1973	24.9	1984	80	03-30-1986	-6	03-10-1984
APR	51.7	1985	40.8	1979	93	04-23-1980	4	04-06-1979
MAY	64.4	1977	51.9	1983	90	05-28-1978	23	05-09-1966
JUN	72.3	1971	60.5	1982	101	06-21-1988	33	06-10-1988
JUL	75.5	1999	67.2	1984	100	07-22-1965	42	07-19-1984
AUG	75.7	1995	64.6	1986	102	08-18-1988	37	08-24-1984
SEP	66.2	1971	55.6	1993	95	09-09-1978	24	09-26-1984
OCT	60.5	1963	40.9	1987	88	10-02-1976	17	10-08-1987
NOV	46.2	2001	27.7	1959	75	11-03-1964	-9	11-30-1976
DEC	31.6	1965	9.2	1983	65	12-01-1970	-30	12-24-1983

Annual	50.4	1998	41.4	1979	102	08-18-1988	-34	01-19-1994
Winter	28.2	1998	9.8	1979	65	12-01-1970	-34	01-19-1994
Spring	51.4	1977	40.0	1984	93	04-23-1980	-6	03-10-1984
Summer	73.2	1995	65.7	1992	102	08-18-1988	33	06-10-1988
Fall	55.6	1963	44.1	1976	95	09-09-1978	-9	11-30-1976

Temperature Threshold Climatology
Derived from 1971-2000 Averages

*Annual/seasonal totals may differ from the sum of the monthly totals due to rounding.

Month	# Days Max ≥ 90°F	# Days Max ≤ 32°F	# Days Min ≤ 32°F	# Days Min ≤ 0°F
JAN	0.0	21.9	30.6	10.0
FEB	0.0	15.1	27.3	5.8
MAR	0.0	5.9	25.4	0.9
APR	0.0	0.3	11.5	0.0
MAY	0.1	0.0	1.6	0.0
JUN	1.7	0.0	0.0	0.0
JUL	3.8	0.0	0.0	0.0
AUG	1.6	0.0	0.0	0.0
SEP	0.4	0.0	0.9	0.0
OCT	0.0	0.0	9.0	0.0
NOV	0.0	4.4	22.7	0.3
DEC	0.0	16.7	29.8	5.7

Annual	7.6	64.4	159.6	22.8
Winter	0.0	53.7	87.7	21.5
Spring	0.1	6.3	38.7	0.9
Summer	7.1	0.0	0.0	0.0
Fall	0.4	4.4	32.8	0.3