UPPER MARLBORO 3 NNW, MARYLAND

Monthly Average Maximum 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 73.61 84.07 84.42 84.13 76.87 68.55 56.57 52.93 a 72.64
1957 40.03 47.82 52.68 68.50 77.71 84.53 88.32 85.19 79.17 64.16 58.10 49.13 66.28
1958 40.55 36.96 48.29 c 64.77 72.73 a 79.52 a 86.68 83.45 78.71 b 67.77 60.89 b 39.69 b 63.33
1959 41.73 a 46.69 b 56.28 b 67.83 78.45 84.00 85.71 87.00 b 81.70 70.55 55.33 48.42 66.97
1960 44.23 45.72 42.32 72.27 71.68 82.50 85.10 85.32 78.77 67.81 59.63 40.26 64.63
1961 38.26 46.57 56.26 60.00 70.55 81.37 86.39 83.94 84.13 70.23 58.93 43.29 64.99
1962 42.90 39.82 51.90 66.30 78.00 81.57 82.87 84.87 76.73 69.81 52.87 41.71 64.11
1963 39.19 37.57 58.39 67.73 73.52 81.63 87.16 83.71 75.40 73.71 58.97 39.48 64.71
1964 46.19 43.10 57.19 63.47 76.97 83.73 85.90 83.03 79.47 65.10 62.77 47.10 66.17
1965 42.61 44.86 50.45 60.27 79.90 80.63 85.23 84.26 80.24 a 66.03 58.43 49.19 65.18
1966 38.42 42.89 57.13 58.93 72.94 83.53 89.58 87.13 76.30 66.61 58.63 43.81 64.66
1967 48.19 41.57 51.39 66.33 68.52 84.13 84.39 83.42 77.03 67.77 53.30 47.74 64.48
1968 38.81 41.52 57.68 68.63 72.71 82.40 87.77 87.58 80.87 69.84 57.90 43.65 65.78
1969 38.87 41.39 50.61 68.07 76.16 84.13 86.97 84.65 79.50 68.42 56.43 42.03 64.77
1970 37.39 45.25 47.84 63.17 77.68 82.50 86.42 86.68 84.93 70.03 56.03 46.29 65.35
1971 38.29 45.96 52.45 65.83 72.06 83.47 85.87 84.16 79.27 70.94 56.30 53.87 65.71
1972 46.03 42.07 53.32 63.27 73.00 77.80 85.03 84.00 78.77 64.29 53.73 48.94 64.19
1973 45.74 44.25 58.29 64.00 71.19 84.17 86.87 86.81 81.90 71.32 59.57 47.58 66.81
1974 47.19 44.86 57.13 68.17 73.42 77.97 86.90 85.06 77.77 67.29 59.80 49.55 66.26
1975 47.23 46.11 51.77 60.27 76.81 82.40 85.19 87.35 74.20 71.74 63.10 46.71 66.07
1976 39.26 55.21 60.26 69.97 72.52 84.20 85.52 83.81 78.57 61.58 52.17 41.45 65.37
1977 31.45 47.39 61.10 70.37 77.52 80.77 89.16 87.55 81.43 65.90 56.17 44.00 66.07
1978 37.29 35.29 49.55 65.10 71.94 83.07 84.52 86.87 80.17 68.13 57.87 50.23 64.17
1979 40.48 32.57 58.29 62.47 74.77 78.67 83.87 84.19 77.90 65.84 62.50 48.90 64.20
1980 41.68 40.79 50.97 66.70 76.42 82.07 88.77 89.39 84.50 66.77 54.70 45.39 65.68
1981 37.48 49.61 52.29 70.07 72.45 84.30 85.97 83.06 77.23 65.32 57.77 43.16 64.89
1982 35.68 45.50 52.45 63.93 77.45 79.47 87.00 82.61 78.40 67.77 60.77 52.68 65.31
1983 43.29 45.29 54.97 60.87 73.55 83.57 89.10 88.26 81.60 67.55 58.73 43.19 65.83
1984 38.42 50.52 47.65 61.53 73.90 84.63 83.52 85.06 77.10 72.81 56.57 55.39 65.59
1985 37.84 45.93 57.39 71.33 76.19 81.17 87.13 85.00 81.60 69.52 60.97 44.81 66.57
1986 44.00 a 40.89 56.71 66.53 78.16 86.73 89.35 82.26 77.67 70.71 54.47 47.61 66.26
1987 41.26 44.86 57.45 62.50 75.32 85.20 91.58 86.61 79.67 64.65 59.83 47.52 66.37
1988 37.55 45.14 56.42 62.03 73.58 84.80 91.00 89.29 77.03 63.35 57.20 46.00 65.28
1989 46.42 44.11 ----- z 63.17 71.32 84.00 85.35 83.10 79.13 70.26 ----- z ----- z 69.65
1990 52.32 55.43 59.90 65.80 72.32 83.93 87.19 83.06 77.70 73.29 63.53 52.61 68.93
1991 45.39 52.25 57.19 67.37 82.39 84.57 89.48 87.90 80.40 70.32 57.83 51.48 68.88
1992 47.00 51.97 57.39 ----- z 70.48 ----- z 85.32 ----- z 76.07 65.16 55.33 44.97 61.52
1993 45.84 ----- z 48.16 63.60 75.87 ----- z ----- z 87.42 79.50 ----- z ----- z ----- z 66.73
1994 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1995 ----- z ----- z ----- z ----- z ----- z 81.47 89.19 89.39 79.57 71.90 51.80 41.52 72.12
1996 40.74 43.52 49.19 65.33 70.48 84.07 84.23 84.19 78.13 67.55 51.97 48.61 64.00
1997 43.32 50.11 56.71 62.17 71.87 80.60 87.29 85.23 78.33 68.16 53.30 48.13 65.43
1998 49.81 50.57 55.10 67.77 75.65 80.90 87.68 87.42 84.97 69.39 60.27 53.94 68.62
1999 47.48 48.50 52.19 66.33 ----- z 82.70 90.84 88.35 77.53 66.06 63.00 49.23 66.57
2000 43.52 50.24 61.06 63.17 76.97 82.77 81.45 82.61 75.97 71.10 56.37 40.03 65.44
2001 42.16 49.32 52.42 67.27 75.13 82.80 83.16 86.42 77.73 70.52 64.60 53.97 67.12
2002 49.55 52.86 56.16 68.97 74.13 85.43 89.61 90.10 80.83 65.81 54.80 44.00 67.69
2003 37.90 39.43 55.84 62.97 67.84 78.80 85.58 86.03 78.07 66.32 63.17 46.39 64.03
2004 37.90 45.07 57.13 64.67 80.90 80.20 85.23 83.45 79.20 65.74 59.90 48.16 65.63
2005 42.45 48.39 50.03 66.60 70.35 83.97 88.48 87.29 84.87 67.26 61.37 44.10 66.26
2006 51.84 46.75 56.00 69.90 74.71 ----- z 88.32 88.94 75.43 66.55 59.67 55.19 66.66
2007 49.16 37.68 58.16 62.17 78.10 84.63 88.06 88.06 83.03 76.00 57.10 46.52 67.39
2008 45.77 48.93 56.71 66.77 72.26 87.00 86.97 84.35 79.73 67.94 54.53 47.94 66.57
2009 38.68 49.39 52.97 66.73 73.35 81.33 84.71 87.19 76.40 65.55 58.57 44.65 64.96
2010 41.90 38.71 57.61 70.57 77.26 88.83 90.68 86.84 82.97 69.29 57.97 39.74 66.86
2011 38.84 49.39 55.29 67.53 77.03 86.67 91.65 86.74 78.30 66.97 62.53 52.19 67.76
2012 48.26 51.90 64.84 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 55.00
Period of Record Statistics
MEAN 42.48 45.44 54.66 65.58 74.52 82.87 86.85 85.74 79.24 68.20 58.01 46.89 65.78
S.D. 4.51 4.97 4.19 3.22 3.10 2.32 2.32 2.08 2.57 2.84 3.27 4.29 1.29
SKEW 0.18 -0.29 -0.39 -0.03 0.21 -0.12 0.11 0.16 0.60 0.30 -0.01 0.14 0.51
MAX 52.32 55.43 64.84 72.27 82.39 88.83 91.65 90.10 84.97 76.00 64.60 55.39 68.93
MIN 31.45 32.57 42.32 58.93 67.84 77.80 81.45 82.26 74.20 61.58 51.80 39.48 63.33
NO YRS 54 53 53 52 53 52 54 54 55 54 53 53 48