Historical Climate Data

Temperature Summary
Station: 472240 DRUMMOND RANGER STA, WI
1971-2000 NCDC Normals

Element	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANN
Max °F	20.6	27.9	38.6	53.9	68.9	76.3	80.3	78.0	68.7	56.3	37.3	24.5	52.6
Min °F	0.1	6.2	16.8	28.9	40.7	50.3	56.1	54.9	46.5	35.7	22.9	7.7	30.6
Mean °F	10.4	17.1	27.7	41.4	54.8	63.3	68.2	66.5	57.6	46.0	30.1	16.1	41.6
HDD base 65	1694	1343	1156	708	341	107	46	62	236	589	1047	1517	8846
CDD base 65	0	0	0	0	25	55	144	106	15	0	0	0	345

Temperature Extremes
Period of Record: 1962-2001

Month	High Mean°F	Year	Low Mean°F	Year	1-Day Max°F	Date	1-Day Min°F	Date
JAN	22.4	1990	0.0	1994	54	01-25-1981	-44	01-19-1970
FEB	31.2	1998	6.2	1972	61	02-29-2000	-40	02-02-1971
MAR	36.8	2000	18.0	1965	73	03-07-2000	-28	03-07-1984
APR	48.2	1987	34.6	1972	90	04-21-1980	-6	04-08-1972
MAY	60.4	1988	47.0	1967	92	05-31-1988	17	05-06-1970
JUN	67.6	1988	55.5	1969	98	06-26-1983	25	06-10-1972
JUL	72.5	1988	61.5	1992	100	07-27-1988	29	07-04-1972
AUG	71.0	1983	61.5	1971	96	08-16-1988	29	08-31-1970
SEP	64.0	1998	50.0	1965	91	09-02-1983	18	09-20-1973
OCT	56.4	1963	40.8	1980	86	10-02-1992	6	10-23-1969
NOV	42.1	2001	21.3	1995	71	11-01-1990	-15	11-29-1985
DEC	25.2	1997	4.3	1983	59	12-02-1982	-36	12-20-1983

Annual	49.7	1986	36.9	1972	100	07-27-1988	-44	01-19-1970
Winter	24.5	1998	7.3	1972	61	02-29-1900	-44	01-19-1970
Spring	45.2	1985	35.4	1996	92	05-31-1988	-28	03-07-1984
Summer	69.6	1988	61.2	1992	100	07-27-1988	25	06-10-1972
Fall	50.7	1963	40.3	1993	91	09-02-1983	-15	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	25.8	30.9	14.7
FEB	0.0	17.7	27.4	9.4
MAR	0.0	8.9	28.6	4.9
APR	0.0	1.0	21.1	0.2
MAY	0.2	0.0	7.0	0.0
JUN	1.3	0.0	0.8	0.0
JUL	2.4	0.0	0.0	0.0
AUG	0.9	0.0	0.1	0.0
SEP	0.0	0.0	2.8	0.0
OCT	0.0	0.3	12.6	0.0
NOV	0.0	10.9	25.9	1.5
DEC	0.0	23.2	30.7	10.0

Annual	5.1	86.7	184.4	39.5
Winter	0.0	67.2	89.1	34.4
Spring	0.3	9.0	55.0	4.5
Summer	4.6	0.0	0.9	0.0
Fall	0.0	11.9	42.1	1.5