Historical Climate Data

Temperature Summary
Station: 475091 MARINETTE, WI
1971-2000 NCDC Normals

Element	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANN
Max °F	24.7	28.9	39.2	52.6	66.2	76.1	81.3	78.5	69.4	56.9	42.3	29.6	53.8
Min °F	8.2	12.4	22.0	33.2	44.8	54.2	59.7	58.1	50.4	39.4	27.5	15.0	35.4
Mean °F	16.5	20.7	30.6	42.9	55.5	65.2	70.5	68.3	59.9	48.2	34.9	22.3	44.6
HDD base 65	1505	1243	1067	664	329	92	20	40	184	525	903	1324	7896
CDD base 65	0	0	0	0	34	96	190	142	32	2	0	0	496

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	25.3	1964	8.5	1977	50	01-26-1973	-30	01-17-1982
FEB	31.7	1998	12.5	1963	62	02-12-1999	-30	02-03-1996
MAR	39.3	1973	24.3	1996	77	03-08-2000	-20	03-01-1962
APR	49.9	1987	35.2	1950	90	04-27-1952	5	04-09-1989
MAY	64.2	1977	47.8	1983	97	05-30-1988	22	05-10-1966
JUN	71.4	1988	58.2	1982	100	06-14-1987	34	06-08-1949
JUL	76.3	1955	64.0	1992	102	07-06-1988	40	07-06-1965
AUG	75.3	1955	64.2	1950	101	08-21-1955	34	08-28-1986
SEP	64.9	1961	53.7	1974	96	09-01-1953	23	09-23-1974
OCT	59.2	1963	41.7	1988	89	10-06-1963	16	10-18-1948
NOV	43.4	2001	28.5	1995	75	11-18-1953	-8	11-24-1950
DEC	31.3	1965	10.9	1989	62	12-04-1998	-22	12-23-1983

Annual	49.5	2001	41.7	1990	102	07-06-1988	-30	01-17-1982
Winter	27.6	1998	14.6	1979	62	12-04-1998	-30	01-17-1982
Spring	48.9	1977	37.6	1950	97	05-30-1988	-20	03-01-1962
Summer	72.9	1955	63.9	1992	102	07-06-1988	34	06-08-1949
Fall	54.1	1963	44.6	1993	96	09-01-1953	-8	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	22.4	30.7	8.6
FEB	0.0	15.7	27.2	5.1
MAR	0.0	5.6	26.4	1.1
APR	0.0	0.4	13.5	0.0
MAY	0.6	0.0	2.6	0.0
JUN	2.3	0.0	0.0	0.0
JUL	4.5	0.0	0.0	0.0
AUG	2.0	0.0	0.0	0.0
SEP	0.5	0.0	0.9	0.0
OCT	0.0	0.0	7.3	0.0
NOV	0.0	3.2	21.4	0.1
DEC	0.0	16.1	29.2	4.3

Annual	9.8	63.6	159.7	19.3
Winter	0.0	54.1	87.1	18.0
Spring	0.6	5.8	42.0	1.0
Summer	8.8	0.0	0.0	0.0
Fall	0.5	3.2	29.6	0.1