UPPER MARLBORO 3 NNW, MARYLAND

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(189070)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 201203
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1956 ----- z ----- z ----- z ----- z 47.65 59.10 a 64.97 61.81 54.10 46.47 a 35.23 33.00 a 50.29
1957 21.35 28.32 32.42 45.03 51.87 62.80 61.97 59.17 a 59.90 40.84 36.70 30.52 44.24
1958 23.26 21.29 31.69 b 43.77 51.37 a 57.38 a 67.16 61.58 52.39 b 43.42 34.68 b 17.31 b 42.11
1959 18.70 a 22.42 b 28.10 b 44.37 55.17 a 60.03 65.74 65.31 b 55.00 47.29 34.10 27.39 43.64
1960 27.03 26.55 23.10 44.50 48.35 57.80 60.42 65.23 56.50 43.35 31.70 13.39 41.49
1961 14.03 24.29 32.71 37.50 49.00 58.40 64.39 62.90 59.80 41.90 38.50 23.74 42.26
1962 22.55 23.11 31.29 42.73 53.42 60.03 60.55 60.74 52.03 a 43.71 31.80 20.23 41.85
1963 19.67 a 18.07 36.13 41.30 48.90 58.27 61.55 59.32 50.80 40.52 37.17 21.61 41.11
1964 22.94 24.86 34.29 41.10 51.39 58.60 64.16 59.52 52.97 37.87 33.47 29.65 42.57
1965 21.94 23.18 30.77 39.87 53.94 59.50 64.32 60.71 56.60 38.42 33.93 27.58 42.56
1966 22.39 25.39 32.13 39.83 49.00 58.37 62.71 60.35 52.07 38.00 33.33 25.61 41.60
1967 27.71 18.36 30.90 41.50 45.42 56.70 63.13 61.00 49.87 40.42 31.73 27.58 41.19
1968 18.03 21.00 34.32 41.53 50.77 59.57 63.16 62.39 54.57 47.71 39.00 26.19 43.19
1969 23.87 27.32 29.45 43.40 51.03 62.40 66.39 62.45 54.47 41.74 34.23 26.13 43.57
1970 16.94 25.00 29.81 40.53 53.48 60.60 64.87 63.06 57.73 48.68 38.30 27.71 43.89
1971 19.87 26.64 29.35 36.93 48.39 61.63 63.13 61.48 59.83 52.81 34.70 32.87 43.97
1972 26.90 23.24 32.35 38.90 51.26 57.37 66.03 61.42 57.07 40.71 33.17 32.84 43.44
1973 24.52 23.00 37.87 43.90 49.55 64.30 64.45 65.13 56.97 43.81 36.53 28.39 44.87
1974 29.45 21.57 32.35 42.47 51.68 57.83 62.61 63.10 53.07 36.35 33.23 26.45 42.51
1975 24.16 26.79 31.29 38.10 54.06 61.73 63.45 63.84 54.00 45.39 34.30 25.06 43.51
1976 17.97 27.03 33.42 39.33 46.03 58.93 59.26 60.13 52.47 40.03 28.10 20.06 40.23
1977 12.00 22.36 36.61 42.40 51.87 57.57 64.81 64.23 59.03 42.06 39.70 23.68 43.03
1978 19.23 16.96 30.61 40.53 50.71 59.70 63.10 67.58 56.53 38.84 36.63 26.23 42.22
1979 22.94 13.43 33.23 42.87 52.65 56.43 64.26 64.32 56.57 42.65 37.57 28.40 a 42.94
1980 24.74 20.97 30.19 43.87 52.19 56.43 65.48 65.03 57.87 42.03 32.47 24.10 42.95
1981 16.87 25.68 29.87 44.90 49.29 61.57 ----- z 55.61 54.70 38.94 34.23 24.58 39.66
1982 16.42 26.75 33.10 39.83 53.68 59.90 64.13 59.68 51.80 41.77 37.90 33.71 43.22
1983 26.32 24.71 36.42 41.67 49.71 60.27 63.19 62.81 51.37 44.87 34.50 24.35 43.35
1984 17.87 31.07 29.94 42.57 51.81 61.27 63.03 63.87 51.50 51.58 30.93 31.35 43.90
1985 19.10 25.57 33.42 43.30 52.94 58.00 63.52 61.71 53.33 45.94 42.17 21.03 43.33
1986 20.16 24.14 29.77 40.57 50.74 58.10 65.16 59.39 53.97 42.29 33.47 26.84 42.05
1987 21.55 23.14 34.00 42.40 52.68 63.10 68.42 63.87 58.77 35.55 36.53 30.45 44.20
1988 14.97 25.69 32.13 40.33 51.94 57.90 66.00 66.03 52.23 36.61 33.43 23.81 41.76
1989 25.03 25.61 ----- z 37.73 49.61 63.17 64.26 62.71 55.20 41.65 ----- z ----- z 47.22
1990 26.23 26.32 33.29 38.20 47.68 56.47 62.71 59.94 50.17 42.16 30.93 25.61 41.64
1991 21.74 27.64 34.87 43.53 56.74 59.77 66.55 63.16 54.67 41.06 34.97 28.58 44.44
1992 25.39 25.69 27.13 ----- z 48.32 ----- z 66.74 ----- z 57.30 41.19 38.63 29.35 39.97
1993 29.03 ----- z 31.00 41.80 53.77 ----- z ----- z 65.13 58.83 ----- z ----- z ----- z 46.59
1994 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1995 ----- z ----- z ----- z ----- z ----- z 62.43 67.71 64.42 55.93 46.19 32.00 24.71 50.49
1996 20.87 24.62 28.55 42.97 50.97 63.00 64.52 62.48 58.10 43.81 30.40 31.29 43.46
1997 23.55 31.25 34.77 39.33 44.90 57.63 64.81 61.65 54.70 44.39 35.13 29.16 43.44
1998 32.65 31.50 34.90 43.30 56.03 62.03 64.87 63.58 59.37 45.32 33.17 32.00 46.56
1999 25.94 25.93 31.16 41.37 ----- z 60.60 67.68 64.39 57.83 41.90 40.13 29.39 44.21
2000 23.58 27.66 36.35 44.10 54.81 63.30 62.81 63.29 55.10 44.03 32.57 20.25 c 43.99
2001 23.25 c 27.54 30.74 41.37 51.29 62.33 61.61 65.87 53.23 42.00 35.87 31.87 43.91
2002 28.81 26.68 33.81 45.87 51.16 62.93 67.65 67.42 58.90 47.58 34.57 25.61 45.91
2003 21.13 22.96 32.26 41.50 52.00 61.63 67.58 68.32 59.17 42.52 39.40 27.29 44.65
2004 19.74 24.38 33.68 45.63 60.35 62.17 67.39 65.39 59.80 45.48 38.33 26.90 45.77
2005 25.10 25.68 30.58 42.77 48.81 63.23 68.81 68.06 58.83 48.77 35.43 24.58 45.05
2006 30.19 26.04 33.10 44.53 50.77 ----- z 69.00 66.97 56.53 43.61 38.83 30.77 44.58
2007 30.06 19.61 32.65 41.57 53.61 63.33 65.39 67.13 57.70 51.16 36.37 29.55 45.68
2008 26.19 26.55 32.77 44.80 49.84 63.97 67.00 62.61 59.30 42.81 35.50 29.06 45.03
2009 20.06 26.50 32.42 44.00 55.03 63.33 64.45 67.58 57.53 44.87 39.90 26.16 45.15
2010 24.06 24.04 37.48 46.00 56.16 67.17 68.84 67.55 58.97 47.48 34.57 24.45 46.40
2011 22.35 26.04 33.55 47.70 56.68 64.43 69.32 65.39 62.07 45.58 37.30 30.90 46.78
2012 27.10 30.31 40.81 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 32.74
Period of Record Statistics
MEAN 22.73 24.73 32.43 42.11 51.52 60.47 64.81 63.29 55.80 43.26 35.23 26.78 43.50
S.D. 4.36 3.47 2.92 2.40 3.01 2.54 2.34 2.74 3.00 3.75 2.90 4.15 1.53
SKEW -0.11 -0.74 -0.06 -0.15 0.27 0.23 0.00 -0.15 -0.14 0.32 0.09 -0.75 0.22
MAX 32.65 31.50 40.81 47.70 60.35 67.17 69.32 68.32 62.07 52.81 42.17 33.71 46.78
MIN 12.00 13.43 23.10 36.93 44.90 56.43 59.26 55.61 49.87 35.55 28.10 13.39 40.23
NO YRS 54 53 53 52 53 52 53 54 55 54 53 53 47