Historical Climate Data

Temperature Summary
Station: 474894 LUCK, WI
1971-2000 NCDC Normals

Element	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANN
Max °F	19.6	26.7	38.5	55.1	68.7	76.1	80.5	78.0	69.1	57.1	38.0	23.8	52.6
Min °F	1.7	8.6	21.0	33.8	46.0	54.4	59.2	57.6	48.8	37.5	23.4	8.3	33.4
Mean °F	10.7	17.7	29.8	44.5	57.4	65.3	69.9	67.8	59.0	47.3	30.7	16.1	43.0
HDD base 65	1684	1325	1093	617	272	84	24	47	204	548	1030	1517	8445
CDD base 65	0	0	0	1	34	91	174	134	23	0	0	0	457

Temperature Extremes
Period of Record: 1971-2001

Month	High Mean°F	Year	Low Mean°F	Year	1-Day Max°F	Date	1-Day Min°F	Date
JAN	23.6	1990	-1.4	1977	52	01-24-1981	-43	01-09-1977
FEB	30.8	1998	6.5	1989	59	02-29-2000	-38	02-02-1996
MAR	38.5	1973	20.5	1975	80	03-29-1986	-22	03-09-1982
APR	51.4	1987	37.4	1975	89	04-21-1980	0	04-04-1975
MAY	64.1	1977	51.2	1979	89	05-30-1986	20	05-15-1973
JUN	70.2	1988	59.2	1982	96	06-14-1987	32	06-20-1992
JUL	74.0	1987	63.3	1992	101	07-15-1988	39	07-04-1972
AUG	71.9	1988	62.8	1977	100	08-01-1988	33	08-28-1986
SEP	64.7	1998	52.8	1993	96	09-07-1976	22	09-22-1974
OCT	52.3	1971	40.7	1976	84	10-03-1997	9	10-27-1976
NOV	44.7	2001	22.8	1991	71	11-03-1978	-21	11-30-1976
DEC	28.4	2001	3.0	1983	61	12-02-1998	-44	12-19-1983

Annual	47.5	1998	39.3	1979	101	07-15-1988	-44	12-19-1983
Winter	24.3	1998	6.0	1979	61	12-02-1998	-44	12-19-1983
Spring	50.0	1977	38.6	1996	89	04-21-1980	-22	03-09-1982
Summer	72.0	1988	63.2	1992	101	07-15-1988	32	06-20-1992
Fall	50.3	2001	40.6	1976	96	09-07-1976	-21	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	25.5	30.9	14.8
FEB	0.0	17.1	27.5	9.5
MAR	0.0	7.9	26.7	3.2
APR	0.0	0.4	15.2	0.0
MAY	0.0	0.0	3.0	0.0
JUN	1.1	0.0	0.1	0.0
JUL	2.5	0.0	0.0	0.0
AUG	1.1	0.0	0.0	0.0
SEP	0.1	0.0	1.9	0.0
OCT	0.0	0.2	10.7	0.0
NOV	0.0	9.1	25.3	1.3
DEC	0.0	23.1	30.8	10.2

Annual	4.9	83.1	171.4	38.8
Winter	0.0	65.8	89.2	34.4
Spring	0.0	8.3	44.6	3.3
Summer	4.7	0.0	0.1	0.0
Fall	0.1	9.5	38.2	1.3