Historical Climate Data

Temperature Summary
Station: 476922 RACINE, WI
1971-2000 NCDC Normals

Element	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANN
Max °F	28.1	31.9	40.9	51.2	62.5	73.4	78.6	77.6	70.3	59.0	45.4	33.3	54.4
Min °F	13.3	18.5	28.0	37.1	46.6	56.5	63.9	64.0	55.9	44.1	32.1	19.8	40.0
Mean °F	20.7	25.2	34.5	44.2	54.6	65.0	71.3	70.8	63.1	51.6	38.8	26.6	47.2
HDD base 65	1372	1114	947	625	338	98	12	13	112	422	788	1191	7032
CDD base 65	0	0	0	0	14	96	206	193	54	4	0	0	567

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	33.9	1933	6.8	1912	64	01-26-1944	-31	01-11-1982
FEB	35.6	1998	12.2	1936	67	02-28-1976	-24	02-03-1996
MAR	45.5	1945	25.4	1960	83	03-30-1986	-12	03-01-1962
APR	52.0	1915	38.5	1907	92	04-10-1930	10	04-02-1899
MAY	62.1	1896	49.3	1907	96	05-25-1911	25	05-10-1966
JUN	74.5	1933	59.0	1982	106	06-01-1934	33	06-04-1945
JUL	79.2	1921	66.6	1992	107	07-10-1901	42	07-05-1972
AUG	77.9	1947	65.9	1992	104	08-06-1918	40	08-25-1977
SEP	70.9	1931	58.1	1993	102	09-07-1939	28	09-30-1899
OCT	61.0	1963	43.8	1917	91	10-06-1963	14	10-29-1925
NOV	48.1	2001	30.1	1951	79	11-01-1944	-5	11-24-1950
DEC	36.9	1923	15.4	1983	66	12-06-2001	-23	12-25-1983

Annual	53.3	1931	40.5	1979	107	07-10-1901	-31	01-11-1982
Winter	33.9	1932	16.3	1904	67	02-28-1976	-31	01-11-1982
Spring	50.7	1977	39.5	1996	96	05-25-1911	-12	03-01-1962
Summer	73.9	1921	64.2	1992	107	07-10-1901	33	06-04-1945
Fall	58.6	1931	47.2	1976	102	09-07-1939	-5	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	19.0	29.4	6.8
FEB	0.0	13.6	24.9	2.7
MAR	0.0	5.6	21.9	0.1
APR	0.0	0.3	7.2	0.0
MAY	0.2	0.0	0.4	0.0
JUN	1.5	0.0	0.0	0.0
JUL	3.5	0.0	0.0	0.0
AUG	1.9	0.0	0.0	0.0
SEP	0.5	0.0	0.0	0.0
OCT	0.0	0.0	2.8	0.0
NOV	0.0	2.7	15.6	0.1
DEC	0.0	11.9	26.6	3.3

Annual	7.7	52.5	126.8	12.8
Winter	0.0	44.4	80.9	12.9
Spring	0.2	5.9	29.1	0.1
Summer	7.0	0.0	0.0	0.0
Fall	0.5	2.7	18.3	0.1