MANASSAS, VIRGINIA

Period of Record General Climate Summary - Precipitation

From Year=1895 To Year=1985
Station:(445213) MANASSAS
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 2.43 5.49 22 0.00 71 3.52 27/1897 6 5 2 1 4.9 32.2 22
February 2.50 6.10 3 0.00 77 3.50 02/1897 6 5 2 0 6.4 34.5 -1
March 2.87 6.28 3 0.05 81 4.50 12/1962 7 6 2 1 2.4 22.4 58
April 2.90 6.01 83 0.35 68 2.37 14/1901 8 6 2 1 0.1 4.0 71
May 3.46 9.08 71 0.30 69 2.90 02/1962 8 6 2 1 0.0 0.0 51
June 3.36 12.15 72 0.69 64 9.50 21/1972 7 5 2 1 0.0 0.0 51
July 3.47 9.77 56 0.65 74 3.60 05/1956 8 6 3 1 0.0 0.0 50
August 3.38 13.54 55 0.83 0 2.81 25/1967 7 6 2 1 0.0 0.0 50
September 2.99 10.17 79 0.10 78 6.00 14/1966 5 4 2 1 0.0 0.0 50
October 2.68 5.66 76 0.10 1 2.80 19/1966 5 4 2 1 0.0 0.0 -2
November 2.64 6.94 52 0.21 81 2.92 07/1963 6 5 2 1 0.7 9.0 67
December 3.00 7.77 1 0.10 -4 3.27 28/1901 6 5 2 1 2.4 12.5 62
Annual 35.67 48.57 52 25.85 69 9.50 19720621 81 63 25 9 17.0 42.9 58
Winter 7.94 14.81 3 3.07 81 3.52 18970127 19 16 6 2 13.7 40.7 22
Spring 9.22 16.14 62 2.19 69 4.50 19620312 23 18 7 2 2.6 22.4 58
Summer 10.20 18.73 56 3.61 64 9.50 19720621 22 17 7 3 0.0 0.0 51
Fall 8.31 16.18 79 4.10 81 6.00 19660914 17 13 6 2 0.7 9.0 67
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