Historical Climate Data

Temperature Summary
Station: 479144 WEYERHAUSER, WI
1971-2000 NCDC Normals

Element	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANN
Max °F	20.6	27.6	39.3	55.5	69.0	76.2	80.5	78.5	69.5	57.2	38.8	24.6	53.1
Min °F	0.0	6.1	18.2	30.4	41.8	50.3	55.5	53.6	44.7	33.5	21.4	6.3	30.2
Mean °F	10.3	16.9	28.8	43.0	55.4	63.3	68.0	66.1	57.1	45.4	30.1	15.5	41.7
HDD base 65	1697	1348	1124	661	320	119	41	66	253	609	1047	1535	8820
CDD base 65	0	0	0	0	24	66	134	99	16	0	0	0	339

Temperature Extremes
Period of Record: 1906-2001

Month	High Mean°F	Year	Low Mean°F	Year	1-Day Max°F	Date	1-Day Min°F	Date
JAN	23.8	1944	-8.8	1912	54	01-23-1942	-48	01-06-1912
FEB	31.4	1998	-1.5	1936	60	02-29-2000	-40	02-04-1907
MAR	40.4	1910	18.2	1923	81	03-31-1986	-35	03-01-1962
APR	51.3	1977	33.0	1950	88	04-22-1980	-9	04-01-1924
MAY	64.0	1977	45.5	1907	107	05-31-1934	14	05-04-1907
JUN	71.2	1933	56.3	1969	98	06-29-1931	22	06-02-1986
JUL	75.2	1936	63.0	1992	109	07-23-1934	31	07-16-1912
AUG	72.7	1937	59.9	1986	102	08-15-1936	25	08-28-1986
SEP	63.6	1998	50.8	1918	99	09-10-1931	20	09-10-1917
OCT	55.9	1947	34.9	1917	87	10-01-1976	-3	10-30-1925
NOV	42.5	2001	21.2	1911	77	11-01-1933	-22	11-29-1985
DEC	31.3	1912	4.2	1985	62	12-06-1939	-32	12-21-1916

Annual	47.0	1931	36.5	1917	109	07-23-1934	-48	01-06-1912
Winter	25.1	1998	5.2	1917	62	12-06-1939	-48	01-06-1912
Spring	50.6	1977	35.2	1950	107	05-31-1934	-35	03-01-1962
Summer	71.1	1988	60.5	1915	109	07-23-1934	22	06-02-1986
Fall	50.9	1931	39.2	1911	99	09-10-1931	-22	11-29-1985

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	24.8	30.9	16.1
FEB	0.0	16.2	27.7	9.8
MAR	0.0	6.3	28.1	3.6
APR	0.0	0.6	17.6	0.0
MAY	0.1	0.0	5.5	0.0
JUN	1.4	0.0	0.6	0.0
JUL	3.1	0.0	0.0	0.0
AUG	1.7	0.0	0.1	0.0
SEP	0.3	0.0	2.8	0.0
OCT	0.0	0.1	15.1	0.0
NOV	0.0	8.0	26.5	1.7
DEC	0.0	21.7	30.7	10.7

Annual	6.5	77.7	186.1	42.1
Winter	0.0	62.7	89.4	36.6
Spring	0.1	6.9	51.3	3.7
Summer	6.1	0.0	0.7	0.0
Fall	0.3	8.0	44.7	1.7