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Oak Ridge Climate Normals and Records

(records began in 1948)

Note: The following monthly climatological data is not considered official. For copies of official data, contact the National Climatic Data Center.


Daily and Monthly Climate Normals and Records
('Normals' are thirty year averages based on the period 1971-2000)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec


Oak Ridge Annual Averages
Precipitation.....55.1 inches Days with 0.01" or more of precipitation.....128
Snowfall.....11.1 inches Days with 1.0" or more of snowfall.....4
Days with thunderstorms.....39 Days at or above 90 F.....35
Days with dense fog.....37 Days at or below 32 F.....89
Average first freeze.....October 27 Average last freeze.....April 11
Average first frost.....October 18 Average last frost.....April 26


Oak Ridge All-Time Records
All Time Highest Temperature 105 F July 28, 1952
All Time Lowest Temperature -17 F January 21, 1985
Most Rain in One Hour 3.43" August 10, 1960
Most Rain in 24 Hours 7.48" August 10-11, 1960
Most Rain in One Month 19.27" July 1967
Most Rain in One Year 76.33" 1973
Most Snow in 24 Hours 12.0" March 9, 1960
Most Snow in One Month 21.0 March 1960
Snowfall on Christmas Trace 2002
Trace 1993
0.5" 1992
1.0" 1976
7.8" 1969
Strongest Wind Gust 49 MPH June 2, 1999


Warmest/Coldest Monthly Average Temperatures
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Warmest 48.1 49.1 55.0 63.8 72.5 80.4 82.1 83.6 76.6 65.5 54.5 51.0
1950 1957 1973 1948 1962 1952 1993 2007 1998 1984 1985 1956
Coldest 24.8 31.1 41.2 51.2 60.5 67.7 72.1 72.3 64.4 51.8 39.7 30.5
1977 1978 1969 1983 1976 1974 1967 1950
1976		 1949 1988 1976 1963
1989


Wettest/Driest Monthly Precipitation Totals
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wettest 13.27 12.78 12.24 14.03 10.70 11.14 19.27 10.46 9.10 6.95 12.22 12.64
1954 2003 1975 1998 1984 1989 1967 1960 1957 1972 1948 1990
Driest 0.93 0.84 2.13 0.88 0.80 0.53 1.23 0.54 0.41 Trace 1.37 0.67
1981 1968 1957 1976 1970 1988 1995 1953 1961 1963 1949 1965
National Weather Service
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5974 Commerce Blvd.
Morristown, TN 37814
(423) 586-3771
Page Author: WFO Morristown, TN Web Team
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