KNOXVILLE WSO AIRPORT, TENNESSEE

Period of Record General Climate Summary - Precipitation

From Year=1910 To Year=2012
Station:(404950) KNOXVILLE WSO AIRPORT
Averages Daily Extremes
Precipitation Total Snowfall
Mean High Year Low Year 1 Day Max. >=
0.01 in.
>=
0.10 in.
>=
0.50 in.
>=
1.00 in.
Mean High Year
in. in. - in. - in. dd/yyyy
or
yyyymmdd
# Days # Days # Days # Days in. in. -
January 4.51 11.74 54 0.95 86 3.77 15/1954 12 8 3 1 3.2 15.1 62
February 4.28 10.69 39 0.74 68 3.02 14/1933 11 8 3 1 2.6 23.3 60
March 4.88 13.35 17 0.72 10 5.75 27/1994 12 9 3 1 1.6 20.2 60
April 3.99 11.07 98 0.39 76 3.61 21/2006 11 7 3 1 0.2 10.7 87
May 3.98 10.98 74 0.71 41 3.36 30/1974 11 7 3 1 0.0 0.0 10
June 3.90 11.83 28 0.20 44 3.18 12/1929 11 7 3 1 0.0 0.0 10
July 4.80 13.16 17 0.33 95 6.14 16/1917 12 8 3 1 0.0 0.0 10
August 3.40 11.33 20 0.77 54 3.25 24/1959 10 6 2 1 0.0 0.0 10
September 2.98 9.19 89 0.27 35 5.49 05/2011 8 5 2 1 0.0 0.0 10
October 2.68 9.51 25 0.00 63 3.17 14/1925 8 5 2 1 0.0 0.0 10
November 3.55 10.36 48 0.47 17 3.99 28/1948 9 6 3 1 0.4 18.2 52
December 4.51 11.64 61 0.45 65 4.70 30/1969 11 8 3 1 1.5 13.2 63
Annual 47.46 63.27 94 32.48 86 6.14 19170716 127 84 33 12 9.5 54.4 60
Winter 13.30 25.82 62 5.75 107 4.70 19691230 35 23 10 3 7.3 35.9 60
Spring 12.85 22.90 74 5.80 25 5.75 19940327 34 23 9 3 1.8 20.2 60
Summer 12.10 22.85 17 3.78 44 6.14 19170716 33 21 8 3 0.0 0.0 10
Fall 9.21 20.58 111 3.53 39 5.49 20110905 25 16 7 2 0.4 18.2 52
Table updated on May 22,
For monthly and annual means, thresholds, and sums:
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered
Seasons are climatological not calendar seasons
Winter = Dec., Jan., and Feb. Spring = Mar., Apr., and May
Summer = Jun., Jul., and Aug. Fall = Sep., Oct., and Nov.


Southeast Regional Climate Center, SERCC Webmaster