NORTH RIVER DAM, VIRGINIA

Period of Record General Climate Summary - Precipitation

From Year=1930 To Year=1979
Station:(446199) NORTH RIVER DAM
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 2.65 6.80 79 0.50 55 3.12 24/1935 6 5 2 1 5.0 33.0 78
February 2.53 5.55 60 0.26 41 2.10 07/1965 6 5 2 1 4.2 26.5 47
March 3.31 6.10 63 0.46 66 3.61 18/1936 8 6 2 1 2.5 15.8 76
April 2.92 6.79 33 0.57 76 2.25 09/1935 7 6 2 1 0.2 3.5 73
May 4.07 9.22 71 0.81 41 5.25 30/1971 9 7 3 1 0.0 0.0 31
June 4.01 13.18 49 0.48 66 7.25 17/1949 8 7 3 1 0.0 0.0 31
July 4.63 9.77 69 1.69 57 4.25 09/1947 10 8 3 1 0.0 0.0 42
August 3.90 11.54 40 0.39 71 4.13 18/1955 8 7 3 1 0.0 0.0 44
September 3.90 12.11 79 0.33 30 4.62 30/1959 7 5 2 1 0.0 0.0 42
October 3.35 10.06 32 0.07 63 6.20 18/1932 5 4 2 1 0.3 10.0 79
November 2.77 6.20 72 0.52 67 2.42 14/1935 6 5 2 1 1.0 10.7 39
December 2.72 7.12 73 0.00 55 1.98 05/1973 6 5 2 1 2.9 14.3 32
Annual 40.78 55.65 72 28.91 63 7.25 19490617 86 70 29 10 16.1 41.2 75
Winter 7.90 12.86 74 3.51 38 3.12 19350124 18 15 6 2 12.2 40.5 46
Spring 10.30 15.62 58 5.82 56 5.25 19710530 23 19 7 2 2.7 15.8 76
Summer 12.55 31.05 49 4.19 53 7.25 19490617 26 21 9 3 0.0 0.0 44
Fall 10.03 17.95 32 1.27 30 6.20 19321018 18 14 7 3 1.3 10.0 71
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