Historical Climate Data

Temperature Summary
Station: 477464 ST CROIX FALLS, WI
1971-2000 NCDC Normals

Element	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANN
Max °F	23.0	30.0	41.8	58.0	72.0	79.6	84.1	81.2	72.2	59.5	41.0	27.4	55.8
Min °F	0.3	7.5	20.3	33.7	46.2	54.9	60.0	58.7	49.2	37.6	23.8	8.3	33.4
Mean °F	11.7	18.8	31.1	45.9	59.1	67.3	72.1	70.0	60.7	48.6	32.4	17.9	44.6
HDD base 65	1653	1295	1053	577	238	59	19	26	165	511	978	1462	8036
CDD base 65	0	0	0	3	55	127	237	179	36	2	0	0	639

Temperature Extremes
Period of Record: 1950-2001

Month	High Mean°F	Year	Low Mean°F	Year	1-Day Max°F	Date	1-Day Min°F	Date
JAN	24.6	1990	-2.2	1977	56	01-24-1981	-42	01-09-1977
FEB	32.2	1998	6.4	1967	63	02-29-2000	-43	02-02-1996
MAR	39.4	1973	18.2	1965	83	03-29-1986	-34	03-01-1962
APR	53.7	1987	36.2	1950	93	04-21-1980	-1	04-01-1975
MAY	66.3	1977	50.6	1954	96	05-18-1998	18	05-03-1967
JUN	72.9	1988	59.3	1969	99	06-30-1963	30	06-02-1985
JUL	76.6	1988	63.8	1992	105	07-31-1988	38	07-29-1992
AUG	74.4	1983	64.5	1992	102	08-01-1988	35	08-20-1950
SEP	66.7	1998	52.2	1965	98	09-07-1976	24	09-26-1965
OCT	58.5	1963	41.8	1952	90	10-03-1997	11	10-31-1996
NOV	42.7	2001	22.3	1959	76	11-08-1999	-18	11-30-1964
DEC	27.4	1959	2.5	1983	66	12-01-1998	-39	12-19-1983

Annual	49.4	1998	39.8	1996	105	07-31-1988	-43	02-02-1996
Winter	25.8	1998	5.9	1979	66	12-01-1998	-43	02-02-1996
Spring	51.5	1977	36.9	1996	96	05-18-1998	-34	03-01-1962
Summer	74.1	1988	64.3	1992	105	07-31-1988	30	06-02-1985
Fall	52.8	1963	41.8	1951	98	09-07-1976	-18	11-30-1964

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	23.2	31.0	16.5
FEB	0.0	15.8	27.3	10.2
MAR	0.0	6.5	26.9	3.2
APR	0.0	0.4	14.8	0.1
MAY	0.7	0.0	2.5	0.0
JUN	2.7	0.0	0.0	0.0
JUL	5.5	0.0	0.0	0.0
AUG	2.9	0.0	0.0	0.0
SEP	0.7	0.0	1.2	0.0
OCT	0.0	0.1	11.2	0.0
NOV	0.0	7.1	25.1	1.3
DEC	0.0	20.7	30.7	10.1

Annual	12.6	73.6	170.6	41.4
Winter	0.0	59.7	88.9	36.9
Spring	0.7	6.9	44.1	3.3
Summer	11.1	0.0	0.0	0.0
Fall	0.7	7.1	37.5	1.3