Historical Climate Data

Temperature Summary
Station: 470904 BLOOMER CITY HALL, WI
1971-2000 NCDC Normals

Element	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANN
Max °F	19.9	26.7	38.9	55.4	68.8	78.0	82.4	79.6	70.0	57.5	39.1	24.3	53.4
Min °F	-0.1	6.3	19.7	32.8	44.6	54.0	58.7	56.5	47.1	35.6	22.3	7.0	32.0
Mean °F	9.9	16.5	29.3	44.1	56.7	66.0	70.6	68.1	58.6	46.6	30.7	15.7	42.7
HDD base 65	1710	1357	1108	628	294	79	22	44	215	572	1030	1530	8589
CDD base 65	0	0	0	1	36	109	194	139	21	0	0	0	500

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	25.1	1990	-1.6	1977	51	01-25-1981	-43	01-09-1977
FEB	30.9	1998	6.7	1979	57	02-18-1981	-36	02-02-1996
MAR	40.0	1973	20.4	1965	81	03-29-1986	-36	03-01-1962
APR	52.7	1987	35.8	1950	90	04-21-1980	4	04-06-1979
MAY	64.1	1977	50.6	1979	92	05-02-1959	18	05-03-1967
JUN	71.7	1988	59.4	1969	99	06-08-1985	32	06-08-1978
JUL	76.5	1988	64.6	1992	103	07-15-1988	41	07-04-1972
AUG	74.4	1988	62.6	1977	104	08-02-1988	34	08-29-1976
SEP	65.6	1948	52.2	1993	94	09-12-1948	22	09-24-1976
OCT	57.4	1963	41.1	1976	88	10-02-1953	6	10-27-1976
NOV	42.7	2001	23.1	1976	72	11-09-1999	-18	11-30-1976
DEC	28.1	1959	5.2	2000	62	12-06-2001	-35	12-19-1983

Annual	48.8	1987	39.9	1978	104	08-02-1988	-43	01-09-1977
Winter	24.7	1998	5.1	1979	62	12-06-1901	-43	01-09-1977
Spring	50.9	1987	37.6	1950	92	05-02-1959	-36	03-01-1962
Summer	74.2	1988	64.2	1979	104	08-02-1988	32	06-08-1978
Fall	52.2	1963	40.3	1976	94	09-12-1948	-18	11-30-1976

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	30.8	14.7
FEB	0.0	16.6	27.4	8.9
MAR	0.0	7.2	26.3	2.7
APR	0.1	0.4	14.7	0.0
MAY	0.3	0.0	3.1	0.0
JUN	2.2	0.0	0.0	0.0
JUL	4.9	0.0	0.0	0.0
AUG	2.1	0.0	0.0	0.0
SEP	0.4	0.0	1.7	0.0
OCT	0.0	0.1	11.9	0.0
NOV	0.0	7.4	25.0	1.3
DEC	0.0	21.9	30.5	9.0

Annual	9.9	78.9	172.1	36.8
Winter	0.0	63.3	88.8	32.6
Spring	0.4	7.8	44.2	2.7
Summer	9.1	0.0	0.0	0.0
Fall	0.4	7.5	38.6	1.3