Historical Climate Data

Temperature Summary
Station: 332098 DEFIANCE, OH

1971-2000 NCDC Normals

 

Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Max °F 31.2 35.1 46.0 58.9 71.0 80.4 84.2 81.9 75.0 62.7 48.5 36.3 59.3
Min °F 17.1 19.6 28.6 38.4 49.4 59.2 63.3 61.1 53.7 42.4 33.3 23.2 40.8
Mean °F 24.2 27.4 37.3 48.7 60.2 69.8 73.8 71.5 64.4 52.6 40.9 29.8 50.1
HDD
base 65
1265 1055 859 492 215 25 1 15 88 397 723 1094 6229
CDD
base 65
0 0 0 2 66 170 272 216 68 11 0 0 805

Temperature Extremes
Period of Record: 1896-2001

Month High
Mean°F
Year Low
Mean°F
Year 1-Day
Max°F
Date 1-Day
Min°F
Date
JAN 35.3 1906 9.0 1977 69 01-21-1906 -26 01-13-1912
FEB 36.9 1998 11.8 1978 73 02-26-2000 -22 02-10-1912
MAR 48.9 1945 23.2 1960 85 03-24-1910 -7 03-08-1943
APR 54.5 1985 40.4 1907 89 04-30-1899 4 04-07-1982
MAY 69.1 1896 52.4 1907 99 05-28-1911 24 05-10-1966
JUN 74.9 1943 63.4 1972 104 06-26-1988 35 06-02-1910
JUL 78.8 1901 69.0 1947 106 07-14-1936 42 07-22-1911
AUG 77.9 1947 66.6 1963 102 08-10-1896 31 08-29-1948
SEP 69.4 1941 58.4 1975 100 09-14-1939 26 09-21-1897
OCT 60.7 1947 46.1 1980 92 10-15-1897 17 10-21-1952
NOV 48.0 1909 32.7 1951 82 11-01-1950 0 11-24-1950
DEC 37.7 1982 16.4 1989 70 12-03-1982 -19 12-22-1989
 
Annual 53.6 1998 46.7 1978 106 07-14-1936 -26 01-13-1912
Winter 33.9 1998 17.8 1977 73 02-26-1900 -26 01-13-1912
Spring 52.9 1977 43.0 1984 99 05-28-1911 -7 03-08-1943
Summer 74.9 1944 67.6 1992 106 07-14-1936 31 08-29-1948
Fall 56.3 1941 46.8 1976 100 09-14-1939 0 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 15.7 28.8 4.9
FEB 0.0 11.9 25.2 4.0
MAR 0.0 3.8 23.3 0.3
APR 0.0 0.1 10.3 0.0
MAY 0.8 0.0 0.8 0.0
JUN 3.9 0.0 0.0 0.0
JUL 6.7 0.0 0.0 0.0
AUG 3.7 0.0 0.0 0.0
SEP 1.3 0.0 0.1 0.0
OCT 0.0 0.0 5.4 0.0
NOV 0.0 1.4 18.1 0.0
DEC 0.0 10.3 26.8 1.8
 
Annual 16.4 43.4 138.8 11.2
Winter 0.0 38.0 80.8 10.8
Spring 0.8 3.9 34.3 0.3
Summer 14.3 0.0 0.0 0.0
Fall 1.3 1.4 23.2 0.0