Historical Climate Data

Temperature Summary
Station: 470645 BEAVER DAM, WI
1971-2000 NCDC Normals

Element	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANN
Max °F	24.3	29.4	41.3	55.5	68.0	77.3	80.8	78.4	70.9	59.8	43.0	29.6	54.9
Min °F	8.0	12.6	24.3	35.7	46.5	56.0	60.5	58.8	50.2	39.2	27.1	14.7	36.1
Mean °F	16.2	21.0	32.8	45.6	57.3	66.7	70.7	68.6	60.6	49.5	35.1	22.2	45.5
HDD base 65	1515	1232	998	583	272	52	11	41	159	483	899	1330	7575
CDD base 65	0	0	0	1	31	102	187	152	25	2	0	0	500

Temperature Extremes
Period of Record: 1953-2001

Month	High Mean°F	Year	Low Mean°F	Year	1-Day Max°F	Date	1-Day Min°F	Date
JAN	28.6	1990	5.2	1977	55	01-18-1996	-36	01-15-1963
FEB	32.7	1954	11.1	1979	61	02-19-1981	-30	02-02-1959
MAR	41.6	1973	21.8	1960	80	03-29-1986	-22	03-01-1962
APR	53.8	1985	41.0	1975	90	04-22-1980	6	04-05-1979
MAY	65.7	1977	50.8	1954	92	05-27-1978	23	05-10-1966
JUN	73.4	1954	60.9	1969	98	06-21-1988	34	06-02-1956
JUL	76.4	1955	67.2	1992	98	07-27-1955	35	07-06-1965
AUG	74.5	1988	65.2	1992	100	08-16-1988	37	08-29-1965
SEP	65.8	1971	56.6	1993	97	09-02-1953	26	09-23-1974
OCT	58.8	1971	44.7	1988	89	10-06-1963	14	10-07-2001
NOV	45.4	2001	28.2	1959	75	11-03-1964	-12	11-30-1958
DEC	31.7	1982	11.3	2000	65	12-06-2001	-24	12-19-1983

Annual	55.0	1953	43.5	1979	100	08-16-1988	-36	01-15-1963
Winter	28.2	1983	12.1	1979	65	12-06-1901	-36	01-15-1963
Spring	53.0	1977	42.2	1960	92	05-27-1978	-22	03-01-1962
Summer	72.8	1988	65.7	1992	100	08-16-1988	34	06-02-1956
Fall	54.0	1971	44.7	1976	97	09-02-1953	-12	11-30-1958

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	30.5	9.2
FEB	0.0	14.9	26.8	5.3
MAR	0.0	5.1	24.3	0.8
APR	0.0	0.2	10.8	0.0
MAY	0.3	0.0	1.3	0.0
JUN	2.4	0.0	0.0	0.0
JUL	4.1	0.0	0.0	0.0
AUG	1.9	0.0	0.0	0.0
SEP	0.5	0.0	0.4	0.0
OCT	0.0	0.0	7.1	0.0
NOV	0.0	4.2	21.0	0.2
DEC	0.0	16.3	28.9	4.7

Annual	9.3	61.8	151.4	20.2
Winter	0.0	52.1	86.2	19.2
Spring	0.4	5.4	36.5	0.8
Summer	8.4	0.0	0.0	0.0
Fall	0.5	4.2	28.4	0.2