BALTIMORE WSO ARPT, MARYLAND

Period of Record General Climate Summary - Precipitation

From Year=1947 To Year=2012
Station:(180465) BALTIMORE WSO ARPT
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 3.11 7.84 79 0.29 55 2.51 07/1996 10 6 2 1 5.5 32.6 96
February 2.92 7.16 79 0.26 109 3.26 11/1983 9 6 2 1 7.1 50.0 110
March 3.79 8.64 94 0.18 106 2.61 10/2011 11 7 3 1 2.9 21.6 60
April 3.24 8.15 52 0.39 85 2.52 15/2007 11 6 2 1 0.0 0.7 85
May 3.78 8.71 89 0.37 86 3.28 08/1960 11 7 2 1 0.0 0.0 47
June 3.66 9.95 72 0.15 54 3.84 22/1972 10 6 2 1 0.0 0.0 47
July 3.93 8.77 105 0.30 55 5.85 08/1952 9 6 3 1 0.0 0.0 47
August 4.08 18.35 55 0.77 51 4.91 12/1955 9 6 3 1 0.0 0.0 47
September 3.90 13.32 111 0.21 67 6.02 30/2010 8 5 2 1 0.0 0.0 47
October 3.19 9.23 105 0.00 63 4.37 08/2005 8 5 2 1 0.0 0.3 79
November 3.24 7.68 52 0.31 81 3.39 21/1952 9 6 2 1 0.7 8.4 67
December 3.40 8.06 109 0.20 55 3.36 18/1977 9 6 3 1 3.5 23.8 66
Annual 42.22 62.66 103 27.89 54 6.02 20100930 116 73 28 11 19.7 58.1 110
Winter 9.43 19.63 79 4.03 77 3.36 19771218 29 18 7 2 16.1 77.0 110
Spring 10.81 18.82 83 3.97 86 3.28 19600508 33 21 7 2 2.9 21.6 60
Summer 11.66 25.38 55 4.53 66 5.85 19520708 29 19 8 3 0.0 0.0 47
Fall 10.33 19.56 106 3.22 101 6.02 20100930 25 16 7 3 0.7 8.4 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