Historical Climate Data

Temperature Summary
Station: 471280 CASHTON, WI
1971-2000 NCDC Normals

Element	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANN
Max °F	22.0	28.9	40.6	56.2	68.9	77.3	80.8	78.3	69.6	57.4	39.7	26.2	53.8
Min °F	6.8	13.3	23.4	35.5	47.3	56.4	61.2	59.3	50.7	39.7	25.9	12.7	36.0
Mean °F	14.4	21.1	32.0	45.9	58.1	66.9	71.0	68.8	60.2	48.6	32.8	19.5	44.9
HDD base 65	1569	1229	1023	578	259	56	18	37	175	511	967	1411	7833
CDD base 65	0	0	0	2	45	113	204	156	30	1	0	0	551

Temperature Extremes
Period of Record: 1949-2001

Month	High Mean°F	Year	Low Mean°F	Year	1-Day Max°F	Date	1-Day Min°F	Date
JAN	22.8	1964	2.1	1977	54	01-25-1981	-34	01-15-1972
FEB	32.2	1998	12.3	1979	59	02-17-1981	-34	02-02-1996
MAR	40.8	2000	21.2	1960	83	03-29-1986	-22	03-01-1962
APR	53.4	1977	39.3	1950	92	04-29-1952	5	04-03-1954
MAY	66.8	1977	50.8	1954	90	05-31-1986	21	05-10-1981
JUN	73.0	1988	59.5	1969	100	06-21-1988	34	06-01-1964
JUL	76.7	1988	66.1	1992	101	07-15-1988	41	07-05-1951
AUG	75.1	1988	64.0	1950	102	08-01-1988	34	08-20-1950
SEP	66.4	1998	54.9	1993	95	09-09-1955	27	09-29-1949
OCT	59.4	1963	43.7	1952	91	10-01-1976	16	10-05-1952
NOV	46.7	2001	24.3	1959	73	11-03-1964	-12	11-24-1950
DEC	28.7	1959	8.6	1985	62	12-05-2001	-28	12-18-1983

Annual	49.5	1991	41.1	1979	102	08-01-1988	-34	01-15-1972
Winter	26.4	1998	11.1	1979	62	12-05-1901	-34	01-15-1972
Spring	52.8	1977	39.9	1956	92	04-29-1952	-22	03-01-1962
Summer	74.9	1988	65.3	1992	102	08-01-1988	34	06-01-1964
Fall	53.3	1963	42.9	1959	95	09-09-1955	-12	11-24-1950

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	25.8	30.9	11.0
FEB	0.0	15.6	26.6	5.2
MAR	0.0	7.1	25.7	1.1
APR	0.0	0.5	11.6	0.0
MAY	0.0	0.0	1.3	0.0
JUN	1.8	0.0	0.0	0.0
JUL	3.3	0.0	0.0	0.0
AUG	2.0	0.0	0.0	0.0
SEP	0.4	0.0	0.6	0.0
OCT	0.0	0.1	6.5	0.0
NOV	0.0	7.0	22.4	0.4
DEC	0.0	20.7	29.9	6.2

Annual	7.7	76.0	154.1	23.6
Winter	0.0	62.5	87.5	22.6
Spring	0.1	7.8	38.8	1.1
Summer	7.1	0.0	0.0	0.0
Fall	0.5	7.1	29.2	0.4