Historical Climate Data

Temperature Summary
Station: 476772 PORT WING 3 E, WI
1971-2000 NCDC Normals

Element	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANN
Max °F	18.8	25.5	35.6	48.8	63.1	72.5	77.7	76.0	66.0	54.1	37.1	23.4	49.9
Min °F	0.4	6.2	17.6	29.2	38.4	47.4	54.5	54.4	46.0	35.9	23.2	7.6	30.1
Mean °F	9.6	15.9	26.6	39.0	50.8	60.0	66.1	65.2	56.0	45.0	30.2	15.5	40.0
HDD base 65	1718	1375	1190	780	443	174	81	89	280	619	1047	1534	9330
CDD base 65	0	0	0	0	2	23	117	95	9	0	0	0	246

Temperature Extremes
Period of Record: 1948-2001

Month	High Mean°F	Year	Low Mean°F	Year	1-Day Max°F	Date	1-Day Min°F	Date
JAN	19.7	2001	1.1	1977	50	01-25-1981	-42	01-09-1977
FEB	32.5	1998	7.4	1967	57	02-17-1981	-40	02-12-1967
MAR	35.3	2000	19.7	1965	70	03-30-1967	-27	03-01-1962
APR	46.4	1955	31.1	1975	89	04-27-1952	-4	04-04-1971
MAY	56.2	1977	45.0	1954	95	05-28-1969	15	05-01-1978
JUN	64.3	1997	55.1	1962	94	06-26-2001	29	06-01-1964
JUL	72.2	1983	60.8	1956	97	07-10-1980	36	07-21-1950
AUG	71.9	1983	57.9	1950	98	08-30-1961	0	08-01-1999
SEP	61.2	1948	50.2	1993	94	09-02-1971	26	09-13-1963
OCT	57.0	1963	39.5	1976	90	10-06-1961	8	10-27-1976
NOV	41.5	2001	24.3	1959	74	11-03-1978	-12	11-30-1976
DEC	28.3	1959	6.5	1976	61	12-01-1962	-30	12-30-1976

Annual	48.5	1958	36.2	1959	98	08-30-1961	-42	01-09-1977
Winter	23.1	1998	8.4	1977	61	12-01-1962	-42	01-09-1977
Spring	44.4	1985	33.5	1950	95	05-28-1969	-27	03-01-1962
Summer	68.6	1983	59.3	1950	98	08-30-1961	0	08-01-1999
Fall	51.4	1963	36.0	1976	94	09-02-1971	-12	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	27.3	30.9	14.4
FEB	0.0	19.3	27.3	8.1
MAR	0.0	10.3	28.8	3.2
APR	0.0	1.3	20.0	0.2
MAY	0.1	0.0	6.0	0.0
JUN	0.3	0.0	0.5	0.0
JUL	1.7	0.0	0.0	0.0
AUG	1.0	0.1	0.1	0.1
SEP	0.3	0.0	1.6	0.0
OCT	0.0	0.1	9.9	0.0
NOV	0.0	9.7	25.0	0.6
DEC	0.0	23.0	30.5	7.9

Annual	3.2	90.0	181.9	34.0
Winter	0.0	69.8	88.8	30.7
Spring	0.1	11.5	54.8	3.4
Summer	3.0	0.1	0.6	0.1
Fall	0.3	9.9	36.7	0.6