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Chattanooga Climate Normals and Records(records began in 1879)
Note: The following monthly climatological data is not considered official. For copies of official data, contact the National Climatic Data Center.
Chattanooga Annual Averages |
Precipitation.....54.5 inches |
Days with 0.01" or more of precipitation.....122 |
Snowfall.....4.8 inches |
Days with 1.0" or more of snowfall.....1 |
Days with thunderstorms.....56 |
Days at or above 90 F.....46 |
Days with dense fog.....33 |
Days at or below 32 F.....68 |
Average first freeze.....November 1 |
Average last freeze.....April 5 |
Average first frost.....October 21 |
Average last frost.....April 19 |
Chattanooga All-Time Records |
All Time Highest Temperature |
106 F |
July 28, 1952 |
All Time Lowest Temperature |
-10 F |
January 21, 1985 |
Most Rain in One Hour |
2.70" |
July 27, 1976 |
Most Rain in 24 Hours |
7.61" |
March 29-30, 1886 |
Most Rain in One Month |
16.32" |
March 1980 |
Most Rain in One Year |
73.70" |
1994 |
Most Snow in 24 Hours |
20" |
March 12-13, 1993 |
Most Snow in One Season |
23.9" |
1894-95 |
Snowfall on Christmas |
Trace |
2002 |
|
Trace |
1993 |
|
0.2" |
1989 |
|
Trace |
1976 |
|
Trace |
1970 |
|
5.1" |
1969 |
|
Trace |
1962 |
|
Trace |
1961 |
|
Trace |
1956 |
|
Trace |
1953 |
|
Trace |
1935 |
|
Trace |
1915 |
|
0.1" |
1913 |
|
|
1.2" |
1902 |
|
0.1" |
1899 |
|
Trace |
1879 |
Strongest Wind Gust |
56 MPH |
June 1987 |
Warmest/Coldest Monthly Average Temperatures |
|
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Warmest |
53.7 |
54.0 |
60.8 |
65.6 |
75.2 |
82.2 |
85.2 |
85.7 |
82.8 |
69.6 |
58.8 |
57.2 |
|
1950 |
1890 |
1921 |
1954 |
1962 |
1952 |
1993 |
2007 |
1925 |
1919 |
1985 |
1889 |
Coldest |
28.5 |
33.8 |
39.0 |
53.3 |
62.6 |
68.4 |
72.8 |
73.5 |
67.4 |
54.6 |
42.7 |
34.3 |
|
1977 |
1895 |
1960 |
1907 |
1917 |
1974 |
1967 |
1992 |
1918 |
1917 |
1976 |
1917 |
Wettest/Driest Monthly Precipitation Totals |
|
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Wettest |
14.74 |
12.30 |
16.32 |
15.29 |
12.00 |
9.40 |
13.49 |
12.36 |
14.18 |
11.91 |
13.59 |
13.68 |
|
1882 |
1939 |
1980 |
1911 |
1929 |
1949 |
1916 |
1920 |
1977 |
1925 |
1948 |
1961 |
Driest |
0.90 |
0.62 |
0.93 |
0.44 |
0.54 |
0.29 |
0.20 |
0.45 |
0.04 |
0.08 |
0.16 |
0.44 |
|
1986 |
1941 |
1910 |
1976 |
1941 |
1944 |
1995 |
1954 |
1879 |
1963 |
1890 |
1965 |
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