UPPER MARLBORO 3 NNW, MARYLAND

Period of Record General Climate Summary - Temperature

From Year=1956 To Year=2012
Station:(189070) UPPER MARLBORO 3 NNW
Averages Daily Extremes
Monthly Averages Daily Extremes Monthly Extremes Max. Temp. Min. Temp.
Max. Min. Mean High Date Low Date Highest
Mean
Year Lowest
Mean
Year >=
90 F
<=
32 F
<=
32 F
<=
0 F
F F F F dd/yyyy
or
yyyymmdd
F dd/yyyy
or
yyyymmdd
F - F - # Days # Days # Days # Days
January 42.5 22.7 32.6 75 25/1967 -12 22/1984 41.2 98 21.7 77 0.0 6.1 26.1 0.6
February 45.4 24.7 35.1 80 25/1985 -8 14/1979 41.1 76 23.0 79 0.0 3.3 22.8 0.3
March 54.7 32.4 43.5 89 31/1998 2 11/1960 52.8 112 32.7 60 0.0 0.4 16.4 0.0
April 65.6 42.1 53.8 95 18/2002 18 01/1969 58.4 60 48.8 61 0.5 0.0 3.9 0.0
May 74.5 51.5 63.0 97 31/1991 28 11/1966 70.6 104 57.0 67 1.4 0.0 0.2 0.0
June 82.9 60.5 71.7 100 23/1988 39 11/1972 78.0 110 67.6 79 6.0 0.0 0.0 0.0
July 86.8 64.8 75.8 102 17/1988 43 01/1988 80.5 111 71.7 62 10.4 0.0 0.0 0.0
August 85.7 63.3 74.5 102 21/1983 39 29/1982 78.8 102 69.3 81 8.3 0.0 0.0 0.0
September 79.2 55.8 67.5 99 12/1983 30 24/1974 72.2 98 63.1 63 2.8 0.0 0.1 0.0
October 68.2 43.3 55.7 93 10/2007 20 24/1969 63.6 107 50.0 88 0.1 0.0 4.2 0.0
November 58.0 35.2 46.6 85 03/1971 13 27/1974 51.6 85 40.1 76 0.0 0.0 12.9 0.0
December 46.9 26.8 36.8 80 07/1998 1 16/1958 43.4 71 26.8 60 0.0 2.2 23.4 0.0
Annual 65.9 43.6 54.7 102 19830821 -12 19840122 57.6 98 52.8 58 29.6 12.0 110.0 0.9
Winter 44.9 24.7 34.8 80 19850225 -12 19840122 40.6 102 29.1 77 0.0 11.6 72.3 0.9
Spring 64.9 42.0 53.5 97 19910531 2 19600311 57.5 110 50.4 60 2.0 0.4 20.5 0.0
Summer 85.2 62.9 74.0 102 19830821 39 19720611 78.3 110 71.8 62 24.7 0.0 0.0 0.0
Fall 68.5 44.8 56.6 99 19830912 13 19741127 60.2 107 52.2 76 2.9 0.0 17.2 0.0
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 staff