Historical Climate Data

Temperature Summary
Station: 477113 RHINELANDER WATER WORKS, WI
1971-2000 NCDC Normals

Element	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANN
Max °F	21.4	27.7	38.3	52.6	66.8	74.4	78.6	76.2	66.9	54.6	37.9	25.3	51.7
Min °F	-0.2	4.4	15.8	29.1	41.2	50.6	55.7	53.9	44.9	34.1	21.6	7.2	29.9
Mean °F	10.6	16.1	27.1	40.9	54.0	62.5	67.2	65.1	55.9	44.4	29.8	16.3	40.8
HDD base 65	1688	1371	1176	725	367	128	50	83	283	640	1057	1512	9080
CDD base 65	0	0	0	0	25	52	117	83	11	0	0	0	288

Temperature Extremes
Period of Record: 1908-2001

Month	High Mean°F	Year	Low Mean°F	Year	1-Day Max°F	Date	1-Day Min°F	Date
JAN	24.1	1944	-5.6	1912	53	01-25-1981	-41	01-28-1915
FEB	30.0	1998	-0.8	1936	60	02-16-1931	-42	02-03-1996
MAR	40.0	1910	13.9	1923	79	03-29-1910	-36	03-01-1962
APR	51.1	1915	30.5	1950	92	04-28-1952	-11	04-01-1924
MAY	63.2	1977	44.6	1924	99	05-31-1934	18	05-02-1911
JUN	70.9	1933	56.8	1969	104	06-29-1931	28	06-01-1927
JUL	74.0	1955	61.7	1992	108	07-13-1936	32	07-30-1928
AUG	72.9	1947	59.6	1927	97	08-02-1964	28	08-30-1915
SEP	64.5	1908	48.8	1918	98	09-10-1908	21	09-30-1918
OCT	56.9	1963	34.5	1925	92	10-01-1976	2	10-30-1925
NOV	42.0	2001	20.9	1995	79	11-12-1930	-16	11-30-1976
DEC	28.3	1913	3.2	1983	62	12-02-1998	-34	12-27-1924

Annual	46.4	1998	36.2	1917	108	07-13-1936	-42	02-03-1996
Winter	24.3	1998	5.8	1920	62	12-02-1998	-42	02-03-1996
Spring	47.6	1977	33.6	1950	99	05-31-1934	-36	03-01-1962
Summer	69.7	1955	60.8	1915	108	07-13-1936	28	06-01-1927
Fall	51.3	1963	39.0	1926	98	09-10-1908	-16	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	26.5	30.9	16.3
FEB	0.0	18.6	27.8	11.3
MAR	0.0	9.0	28.7	4.7
APR	0.0	1.1	20.1	0.0
MAY	0.1	0.0	5.7	0.0
JUN	0.8	0.0	0.2	0.0
JUL	1.5	0.0	0.0	0.0
AUG	0.9	0.0	0.0	0.0
SEP	0.1	0.0	2.6	0.0
OCT	0.0	0.2	14.7	0.0
NOV	0.0	9.7	26.8	1.1
DEC	0.0	23.8	30.7	10.8

Annual	3.4	89.8	189.3	44.6
Winter	0.0	68.8	89.4	38.4
Spring	0.1	10.3	54.8	4.7
Summer	3.3	0.0	0.2	0.0
Fall	0.1	10.0	44.0	1.1