BALTIMORE WSO ARPT, MARYLAND

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(180465)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 201205
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
1947 32.84 22.89 31.87 44.53 53.87 62.53 67.71 69.77 60.47 54.42 39.27 29.58 47.48
1948 22.39 26.62 36.61 45.20 55.74 63.87 69.42 66.65 60.00 48.77 44.63 33.13 47.75
1949 34.23 34.14 36.81 45.17 55.45 66.80 72.42 69.35 57.77 55.65 39.83 33.13 50.06
1950 36.71 30.79 31.45 41.20 54.71 63.90 67.03 63.84 57.00 48.81 35.63 25.87 46.41
1951 27.74 27.68 33.77 42.97 52.00 62.10 66.45 63.77 57.13 49.94 32.00 29.48 45.42
1952 29.94 30.72 32.58 45.93 52.13 63.63 68.23 a 65.26 56.43 40.81 37.63 30.71 46.17
1953 30.90 30.39 36.52 44.20 57.77 63.00 66.50 a 63.94 56.37 45.23 35.13 29.48 46.62
1954 23.58 30.36 31.65 45.27 50.97 60.97 64.39 64.00 58.80 49.06 34.67 26.55 45.02
1955 24.42 24.21 34.29 45.87 54.26 58.57 71.45 69.81 59.93 46.39 33.10 22.94 45.44
1956 25.45 29.72 31.03 40.53 49.35 61.37 65.61 64.23 55.80 49.06 36.23 35.00 45.28
1957 21.94 31.54 35.23 45.73 53.74 64.67 64.65 62.71 61.00 43.42 38.17 30.77 46.13
1958 25.23 21.64 33.00 45.13 52.84 58.93 68.32 64.55 55.47 47.06 37.77 20.90 44.24
1959 21.39 24.75 31.35 45.33 56.48 62.60 67.90 68.55 60.50 50.48 34.57 30.74 46.22
1960 28.45 27.59 24.42 44.87 50.81 60.60 63.77 67.81 60.43 45.87 34.77 17.71 43.92
1961 17.97 28.11 34.74 38.93 49.03 60.23 66.35 65.03 62.10 44.42 37.90 24.35 44.10
1962 23.03 24.29 31.65 41.70 54.55 61.97 62.32 62.97 53.07 45.90 31.83 19.58 42.74
1963 19.48 18.36 34.48 41.03 49.77 62.23 64.84 61.13 53.40 44.39 37.20 20.87 42.27
1964 24.23 24.90 33.00 40.87 52.48 60.40 67.00 63.29 56.40 41.39 38.33 30.58 44.41
1965 21.23 23.75 29.87 40.03 54.74 58.73 65.81 64.81 60.43 42.10 35.23 28.10 43.74
1966 22.00 22.07 31.55 39.90 50.71 60.17 66.26 64.45 57.37 41.68 35.33 28.13 43.30
1967 28.52 20.82 32.26 42.53 46.13 60.03 65.74 64.87 53.90 43.58 32.43 29.23 43.34
1968 20.48 22.76 35.26 41.83 48.81 61.47 68.29 67.97 59.07 50.16 40.27 27.03 45.28
1969 24.29 28.43 31.00 44.47 53.42 64.83 68.29 66.35 58.70 45.74 37.00 28.55 45.92
1970 19.19 26.07 31.71 43.03 54.74 62.33 67.68 66.42 61.30 52.23 40.73 30.42 46.32
1971 22.68 29.61 32.68 39.57 50.94 64.27 65.94 64.87 63.20 55.61 37.57 34.74 46.80
1972 29.77 25.55 34.35 40.47 52.81 58.87 68.55 65.29 60.63 43.68 34.50 33.58 45.67
1973 24.71 25.14 39.23 43.37 49.61 64.33 65.87 67.74 60.27 47.03 37.00 29.68 46.17
1974 30.16 24.61 35.71 43.03 52.00 59.13 65.74 66.23 58.23 43.52 38.40 31.68 45.70
1975 29.71 30.89 33.39 41.00 56.45 63.67 66.87 68.10 57.90 50.87 40.70 28.84 47.37
1976 23.06 32.28 37.52 44.10 51.23 64.53 64.81 63.74 57.10 44.16 30.43 23.42 44.70
1977 14.84 25.71 38.39 45.30 54.71 60.67 67.94 67.61 62.57 46.19 42.23 26.87 46.09
1978 21.94 19.71 32.81 42.93 53.00 61.70 66.26 69.84 59.27 43.29 39.27 29.97 45.00
1979 25.84 17.75 36.35 43.97 55.23 60.23 66.77 66.81 60.23 45.58 40.40 30.42 45.80
1980 27.13 22.34 31.90 45.07 54.39 59.27 67.13 68.29 60.93 44.68 34.37 26.23 45.14
1981 18.81 28.04 31.19 45.33 51.23 64.57 67.90 64.29 58.43 42.90 37.03 27.16 44.74
1982 17.13 27.61 33.71 38.93 55.03 60.30 67.00 62.32 57.43 45.55 38.23 33.29 44.71
1983 27.39 25.93 37.10 42.40 50.16 61.80 66.81 67.35 57.47 48.19 36.97 25.94 45.62
1984 20.13 33.59 30.39 42.17 51.13 62.27 64.55 65.87 54.17 53.71 33.40 35.03 45.53
1985 21.23 29.93 35.65 45.10 53.97 60.83 65.74 65.00 58.27 49.23 44.93 24.32 46.18
1986 23.45 26.61 32.90 43.13 54.48 61.73 69.19 63.97 59.23 48.97 35.93 29.84 45.79
1987 25.29 25.68 35.03 43.50 53.90 63.57 70.00 66.26 60.30 39.61 37.43 31.74 46.03
1988 19.39 26.69 33.77 42.50 54.10 61.50 68.65 68.61 56.73 40.03 37.43 26.81 44.68
1989 28.52 28.57 34.39 41.93 52.48 65.50 67.81 66.10 60.20 47.00 35.00 17.68 45.43
1990 32.58 31.25 37.29 43.97 52.48 62.17 69.06 66.00 57.07 49.52 37.73 32.26 47.61
1991 26.13 29.93 37.58 45.53 58.45 62.93 69.55 66.97 58.07 46.35 35.67 29.58 47.23
1992 25.48 27.69 31.94 41.73 50.39 58.63 67.90 61.94 58.30 43.16 38.63 31.29 44.76
1993 29.97 22.43 31.26 41.70 53.48 60.53 69.58 65.48 59.43 45.61 36.07 28.42 45.33
1994 19.26 25.25 33.48 48.20 48.81 65.77 71.06 64.61 57.83 45.39 41.50 33.84 46.25
1995 31.68 24.39 37.10 43.47 53.90 65.03 71.26 69.74 60.50 49.81 33.77 26.90 47.30
1996 23.87 27.97 29.97 41.73 50.35 61.97 64.65 62.26 58.30 44.65 30.37 31.42 43.96
1997 23.77 31.29 34.74 40.13 46.77 58.10 65.16 62.19 55.70 44.71 35.17 29.45 43.93
1998 32.35 33.04 36.26 43.10 55.68 61.53 64.97 64.13 59.80 45.19 33.80 31.32 46.76
1999 25.55 27.86 32.06 41.97 51.84 61.10 68.55 65.71 59.30 42.23 a 39.62 a 29.68 45.46
2000 23.55 27.69 36.90 42.83 53.77 63.33 63.65 64.81 55.37 44.61 33.40 22.10 a 44.33
2001 24.77 28.71 32.23 43.53 51.48 63.67 62.63 a 67.00 54.43 42.68 37.76 a 32.45 45.11
2002 29.58 27.43 34.32 45.17 50.65 62.47 67.94 67.94 58.73 48.06 34.93 25.87 46.09
2003 21.26 22.79 33.13 41.80 51.48 61.00 66.65 67.94 59.33 44.35 40.50 27.16 44.78
2004 20.68 25.28 35.52 44.53 59.90 61.13 67.55 65.29 59.93 46.32 38.83 28.13 46.09
2005 26.58 27.39 31.74 43.73 48.23 63.53 68.97 68.94 60.47 49.10 36.50 25.61 45.90
2006 31.87 26.50 34.42 45.77 51.68 62.43 69.48 68.10 56.67 44.90 40.63 32.29 47.06
2007 30.03 21.32 33.84 41.57 52.87 63.17 66.32 67.26 58.47 51.87 36.67 30.58 46.16
2008 26.29 27.03 34.42 45.83 48.97 64.00 67.23 62.71 59.87 44.61 37.20 29.77 45.66
2009 21.39 26.46 33.45 43.90 53.97 62.23 64.03 67.39 58.00 46.23 40.93 27.13 45.43
2010 24.42 24.14 38.74 44.57 57.35 68.17 70.48 68.00 59.57 46.90 36.87 24.94 47.01
2011 22.71 27.82 34.97 47.33 57.00 64.87 70.39 66.00 61.27 46.97 39.10 32.06 47.54
2012 28.65 32.14 43.19 43.24 a 57.44 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 36.80
Period of Record Statistics
MEAN 25.14 26.74 33.96 43.26 52.78 62.19 67.18 65.85 58.49 46.46 37.02 28.50 45.61
S.D. 4.54 3.63 2.80 2.04 2.77 2.12 2.16 2.20 2.21 3.56 3.02 3.99 1.32
SKEW 0.24 -0.22 0.12 -0.12 0.03 0.27 0.09 -0.01 -0.43 0.60 0.17 -0.78 0.21
MAX 36.71 34.14 43.19 48.20 59.90 68.17 72.42 69.84 63.20 55.65 44.93 35.03 50.06
MIN 14.84 17.75 24.42 38.93 46.13 58.10 62.32 61.13 53.07 39.61 30.37 17.68 42.27
NO YRS 66 66 66 66 65 65 65 65 65 65 65 65 65