Historical Climate Data

Temperature Summary
Station: 475786 NECEDAH, WI
1971-2000 NCDC Normals

Element	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANN
Max °F	25.3	32.1	43.7	59.2	72.5	80.7	84.2	81.4	72.8	60.7	42.8	29.4	57.1
Min °F	5.6	11.2	22.0	33.8	45.5	54.5	59.8	57.5	48.9	37.9	25.6	12.2	34.5
Mean °F	15.5	21.7	32.9	46.5	59.0	67.6	72.0	69.5	60.9	49.3	34.2	20.8	45.8
HDD base 65	1536	1215	997	557	230	48	11	30	160	489	924	1371	7568
CDD base 65	0	0	0	3	43	125	227	168	37	2	0	0	605

Temperature Extremes
Period of Record: 1953-2001

Month	High Mean°F	Year	Low Mean°F	Year	1-Day Max°F	Date	1-Day Min°F	Date
JAN	28.3	1990	1.4	1977	58	01-25-1981	-46	01-15-1963
FEB	33.3	1998	10.7	1978	64	02-22-1984	-41	02-03-1996
MAR	41.4	2000	19.9	1960	85	03-29-1986	-40	03-01-1962
APR	52.3	1985	38.0	1975	93	04-22-1980	-1	04-01-1969
MAY	65.1	1977	49.7	1967	93	05-22-1975	16	05-10-1966
JUN	71.8	1991	57.5	1969	101	06-21-1988	28	06-01-1964
JUL	75.7	1983	65.7	1962	104	07-13-1995	37	07-17-1958
AUG	75.6	1995	64.1	1967	105	08-01-1988	28	08-29-1965
SEP	65.4	1998	55.0	1993	98	09-08-1978	18	09-22-1974
OCT	56.7	1963	43.1	1976	92	10-06-1963	5	10-30-1988
NOV	46.4	2001	24.4	1959	75	11-03-1964	-19	11-30-1976
DEC	29.9	2001	9.8	2000	64	12-04-2001	-32	12-26-1962

Annual	49.0	1998	33.5	1972	105	08-01-1988	-46	01-15-1963
Winter	27.7	1998	10.3	1977	64	12-04-1901	-46	01-15-1963
Spring	51.7	1977	38.9	1956	93	04-22-1980	-40	03-01-1962
Summer	73.5	1988	65.2	1958	105	08-01-1988	28	06-01-1964
Fall	51.9	1998	42.2	1976	98	09-08-1978	-19	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	21.5	30.8	12.5
FEB	0.0	13.6	26.7	8.1
MAR	0.0	4.7	26.0	2.7
APR	0.1	0.2	14.5	0.0
MAY	0.6	0.0	3.9	0.0
JUN	3.6	0.0	0.1	0.0
JUL	6.7	0.0	0.0	0.0
AUG	3.2	0.0	0.0	0.0
SEP	0.7	0.0	2.3	0.0
OCT	0.1	0.0	11.1	0.0
NOV	0.0	4.8	23.1	0.8
DEC	0.0	17.2	30.0	7.1

Annual	14.8	62.9	169.8	31.5
Winter	0.0	52.4	87.5	27.7
Spring	0.7	5.1	44.8	2.7
Summer	13.5	0.0	0.1	0.0
Fall	0.7	4.8	36.5	0.8