Historical Climate Data

Temperature Summary
Station: 476859 PRENTICE NO. 2, WI
1971-2000 NCDC Normals

Element	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANN
Max °F	19.3	26.0	37.0	51.9	65.6	73.3	77.5	75.4	66.2	54.4	37.1	23.6	50.6
Min °F	-3.2	2.0	15.3	28.8	40.2	48.8	53.6	51.6	42.8	32.6	20.2	4.8	28.1
Mean °F	8.1	14.0	26.2	40.4	52.9	61.1	65.6	63.5	54.5	43.5	28.7	14.2	39.4
HDD base 65	1767	1428	1205	741	394	155	68	110	321	667	1090	1575	9521
CDD base 65	0	0	0	0	19	37	84	63	6	0	0	0	209

Temperature Extremes
Period of Record: 1898-2001

Month	High Mean°F	Year	Low Mean°F	Year	1-Day Max°F	Date	1-Day Min°F	Date
JAN	23.3	1944	-7.0	1912	54	01-25-1973	-48	01-28-1915
FEB	30.3	1998	-1.2	1936	59	02-25-1931	-47	02-01-1996
MAR	39.1	1946	16.0	1960	78	03-26-1905	-44	03-01-1962
APR	51.1	1915	32.3	1950	90	04-28-1952	-17	04-01-1924
MAY	61.6	1977	44.0	1907	101	05-31-1934	3	05-07-1909
JUN	69.6	1933	54.4	1982	102	06-24-1900	21	06-02-1964
JUL	72.9	1916	59.2	1992	107	07-13-1936	28	07-04-1972
AUG	71.7	1900	58.4	1950	100	08-02-1938	26	08-29-1911
SEP	62.4	1906	48.8	1993	100	09-23-1937	15	09-29-1967
OCT	55.8	1947	34.4	1925	89	10-01-1976	-3	10-30-1925
NOV	40.9	2001	19.5	1995	79	11-01-1944	-27	11-28-1976
DEC	27.5	1923	2.0	1983	64	12-03-1998	-43	12-19-1983

Annual	48.2	1901	36.5	1996	107	07-13-1936	-48	01-28-1915
Winter	23.5	1998	5.5	1904	64	12-03-1998	-48	01-28-1915
Spring	47.7	1977	29.8	1909	101	05-31-1934	-44	03-01-1962
Summer	68.2	1921	59.4	1992	107	07-13-1936	21	06-02-1964
Fall	51.3	1931	37.8	1976	100	09-23-1937	-27	11-28-1976

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	27.1	30.9	17.1
FEB	0.0	18.9	27.7	11.8
MAR	0.0	10.2	28.0	5.2
APR	0.0	1.5	19.6	0.3
MAY	0.0	0.0	7.4	0.0
JUN	0.2	0.0	1.0	0.0
JUL	0.9	0.0	0.0	0.0
AUG	0.4	0.0	0.3	0.0
SEP	0.1	0.0	4.4	0.0
OCT	0.0	0.3	16.0	0.0
NOV	0.0	10.5	26.6	1.6
DEC	0.0	24.1	30.7	11.2

Annual	1.6	93.4	193.8	47.8
Winter	0.0	70.0	89.4	40.2
Spring	0.0	11.8	54.9	5.5
Summer	1.5	0.0	1.3	0.0
Fall	0.1	10.9	47.2	1.7