Historical Climate Data

Temperature Summary
Station: 471970 DALTON, WI
1971-2000 NCDC Normals

Element	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANN
Max °F	26.6	32.6	44.1	58.8	71.8	80.5	83.9	81.5	73.1	61.2	44.2	31.1	57.5
Min °F	8.0	13.2	23.5	34.5	45.8	54.9	59.7	58.0	49.7	39.0	26.9	14.1	35.6
Mean °F	17.3	22.9	33.8	46.7	58.8	67.7	71.8	69.8	61.4	50.1	35.6	22.6	46.5
HDD base 65	1478	1178	969	553	238	44	9	27	145	466	884	1315	7306
CDD base 65	0	0	0	2	45	125	219	174	38	3	0	0	606

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	28.8	1990	4.2	1977	56	01-26-1973	-39	01-30-1951
FEB	33.7	1998	11.3	1979	63	02-22-1984	-34	02-03-1996
MAR	41.4	2000	20.4	1960	83	03-29-1986	-27	03-01-1962
APR	52.5	1977	39.1	1950	91	04-22-1980	4	04-07-1982
MAY	65.4	1977	51.9	1954	92	05-24-1950	22	05-09-1966
JUN	72.0	1988	59.8	1969	102	06-20-1988	30	06-21-1963
JUL	76.3	1955	67.0	1962	103	07-13-1995	40	07-06-1965
AUG	75.4	1995	64.6	1967	103	08-24-1948	33	08-28-1986
SEP	66.7	1998	55.8	1993	99	09-09-1955	20	09-29-1949
OCT	59.4	1963	43.9	1952	91	10-06-1963	11	10-30-1988
NOV	43.4	1999	26.7	1959	76	11-08-1999	-14	11-25-1950
DEC	30.9	2001	11.0	1983	65	12-02-1962	-28	12-19-1983

Annual	50.6	1998	43.2	1951	103	07-13-1995	-39	01-30-1951
Winter	28.6	1998	12.5	1979	65	12-02-1962	-39	01-30-1951
Spring	52.7	1977	40.5	1975	92	05-24-1950	-27	03-01-1962
Summer	73.8	1995	66.1	1951	103	07-13-1995	30	06-21-1963
Fall	53.5	1963	44.5	1976	99	09-09-1955	-14	11-25-1950

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	21.0	30.6	9.9
FEB	0.0	13.8	26.7	5.9
MAR	0.0	5.2	25.3	1.3
APR	0.0	0.3	13.2	0.0
MAY	0.2	0.0	2.8	0.0
JUN	2.6	0.0	0.0	0.0
JUL	4.5	0.0	0.0	0.0
AUG	2.1	0.0	0.0	0.0
SEP	0.5	0.0	1.1	0.0
OCT	0.0	0.0	8.3	0.0
NOV	0.0	4.1	21.3	0.4
DEC	0.0	16.4	29.6	5.4

Annual	10.0	60.8	159.0	22.8
Winter	0.0	51.2	87.0	21.2
Spring	0.3	5.6	41.3	1.3
Summer	9.2	0.0	0.0	0.0
Fall	0.5	4.1	30.8	0.4