Historical Climate Data

Temperature Summary
Station: 470603 BAYFIELD 6 N, WI
1971-2000 NCDC Normals

Element	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANN
Max °F	20.9	26.9	36.7	49.8	63.6	72.2	77.0	75.2	66.0	54.5	38.3	25.8	50.6
Min °F	3.2	6.9	17.5	29.5	39.8	48.7	55.6	55.0	46.3	36.1	23.7	10.6	31.1
Mean °F	12.1	16.9	27.1	39.7	51.7	60.5	66.3	65.1	56.2	45.3	31.0	18.2	40.8
HDD base 65	1641	1347	1177	759	416	156	61	76	272	611	1020	1451	8987
CDD base 65	0	0	0	0	4	19	102	80	6	0	0	0	211

Temperature Extremes
Period of Record: 1896-2001

Month	High Mean°F	Year	Low Mean°F	Year	1-Day Max°F	Date	1-Day Min°F	Date
JAN	22.1	1898	2.6	1994	53	01-25-1973	-34	01-28-1902
FEB	31.5	1998	6.5	1900	61	02-16-1981	-34	02-03-1996
MAR	34.9	2000	13.5	1899	78	03-31-1986	-20	03-01-1897
APR	46.7	1955	32.9	1950	89	04-27-1952	2	04-03-1954
MAY	57.7	1977	45.5	1997	95	05-28-1969	20	05-10-1966
JUN	65.3	1949	55.1	1969	98	06-29-1961	22	06-06-1984
JUL	71.5	1955	59.8	1992	104	07-20-1901	36	07-05-1967
AUG	73.4	1900	59.5	1950	99	08-31-1961	34	08-09-1962
SEP	65.8	1897	51.0	1965	99	09-07-1976	27	09-27-1965
OCT	57.3	1963	40.7	1987	88	10-23-1963	15	10-30-1988
NOV	42.2	2001	22.4	1896	76	11-03-1978	-13	11-30-1896
DEC	27.7	1959	9.2	1989	61	12-03-1982	-24	12-27-1996

Annual	45.5	1998	38.2	1996	104	07-20-1901	-34	01-28-1902
Winter	25.9	1998	9.6	1979	61	12-03-1982	-34	01-28-1902
Spring	45.0	1977	33.9	1899	95	05-28-1969	-20	03-01-1997
Summer	68.8	1955	60.2	1992	104	07-20-1901	22	06-06-1984
Fall	51.6	1963	40.4	1993	99	09-07-1976	-13	11-30-1996

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	25.7	31.0	12.1
FEB	0.0	18.5	27.7	8.3
MAR	0.0	9.7	28.2	2.7
APR	0.0	1.2	19.2	0.0
MAY	0.1	0.0	4.8	0.0
JUN	0.3	0.0	0.3	0.0
JUL	1.3	0.0	0.0	0.0
AUG	0.7	0.0	0.0	0.0
SEP	0.3	0.0	0.7	0.0
OCT	0.0	0.2	9.2	0.0
NOV	0.0	8.3	24.8	0.3
DEC	0.0	21.4	30.4	5.6

Annual	2.6	85.2	175.7	29.1
Winter	0.0	65.7	89.0	26.0
Spring	0.1	11.0	52.1	2.7
Summer	2.2	0.0	0.3	0.0
Fall	0.3	8.3	34.2	0.3