BALTIMORE WSO CITY, MARYLAND

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(180470)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 200112
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
1893 30.74 41.71 47.74 60.83 70.13 80.77 86.29 83.65 74.55 a 64.77 50.43 46.68 61.52
1894 43.90 a 41.11 57.55 60.50 74.30 a 83.03 86.93 a 81.60 a 77.83 a 65.20 a 49.38 a 44.42 63.81
1895 37.84 33.25 48.68 60.70 71.00 83.20 81.68 86.77 81.20 62.97 54.93 45.87 62.34
1896 39.52 44.24 46.35 65.30 77.97 79.27 85.84 85.48 77.23 63.00 59.80 43.39 63.95
1897 37.90 42.61 52.90 62.60 72.03 79.03 84.65 83.06 79.33 66.84 53.27 44.87 63.26
1898 42.87 42.61 55.84 59.30 72.58 83.13 86.90 85.77 80.60 66.23 51.67 43.03 64.21
1899 41.23 34.89 48.81 63.70 73.65 84.53 86.97 84.03 76.45 a 66.81 55.50 44.68 63.44
1900 43.84 41.21 46.94 64.37 75.84 82.10 89.32 89.39 81.63 69.71 57.23 44.29 65.49
1901 41.61 36.79 52.03 57.70 69.84 82.00 89.06 83.81 77.33 66.29 49.07 42.03 62.30
1902 37.68 36.39 55.29 61.53 74.23 82.10 86.74 82.77 75.63 66.45 59.30 40.52 63.22
1903 39.94 45.32 57.26 63.23 74.74 74.27 86.42 78.77 77.50 66.61 52.20 40.26 63.04
1904 34.00 36.59 48.23 58.57 75.23 80.07 84.13 82.10 76.47 64.55 51.33 38.26 60.79
1905 37.77 34.50 53.00 63.57 74.10 81.43 85.23 81.90 77.77 67.42 54.33 45.42 63.04
1906 46.87 42.18 43.90 66.33 75.42 82.17 83.94 83.61 80.73 63.52 54.77 43.48 63.91
1907 44.03 36.04 56.45 56.40 68.19 75.13 85.26 82.06 78.07 62.90 51.77 45.23 61.79
1908 42.23 37.93 55.39 66.93 73.32 82.57 87.32 81.87 77.13 68.06 54.43 44.74 64.33
1909 42.19 50.82 49.29 62.83 73.84 81.50 84.74 82.90 75.77 63.48 60.17 39.39 63.91
1910 40.19 42.18 58.68 67.17 70.42 78.03 87.32 81.65 79.73 69.97 48.67 37.39 63.45
1911 46.19 43.21 49.39 59.20 80.00 82.27 88.13 84.00 78.53 65.74 51.23 47.71 64.63
1912 33.06 38.59 47.48 63.63 74.71 79.80 84.71 82.19 77.83 69.84 56.60 47.71 63.01
1913 51.81 43.89 57.87 63.67 74.39 82.57 87.52 83.52 76.50 66.45 56.67 47.77 66.05
1914 44.90 37.32 47.29 62.13 77.55 83.27 84.13 85.45 76.17 69.10 56.00 38.58 63.49
1915 42.10 44.75 46.77 69.07 70.48 78.67 85.10 81.68 79.83 67.03 54.93 40.97 63.45
1916 47.42 40.79 44.10 61.13 74.74 76.87 85.39 84.81 76.80 66.94 54.93 41.90 62.98
1917 42.84 40.36 51.32 62.77 67.32 81.60 84.39 84.42 72.13 61.65 52.50 34.39 61.31
1918 29.87 44.46 57.10 61.20 79.10 79.63 83.87 86.87 73.97 69.61 54.63 47.94 64.02
1919 45.90 43.68 54.74 61.83 73.42 81.27 85.68 83.03 79.70 70.65 55.23 40.58 64.64
1920 35.32 39.34 54.74 61.23 69.23 81.87 84.48 81.65 77.87 72.77 53.00 45.58 63.09
1921 43.81 45.71 64.68 67.93 71.42 84.43 88.13 81.71 81.97 67.19 54.67 43.94 66.30
1922 38.48 45.68 52.39 64.20 76.16 82.90 84.81 82.42 79.40 69.61 56.73 43.61 64.70
1923 42.74 38.86 55.19 62.73 73.55 86.27 84.81 83.39 77.60 66.42 53.40 52.10 64.75
1924 43.13 40.41 50.32 60.57 68.03 79.17 84.16 84.42 73.23 68.97 54.67 43.90 62.58
1925 39.94 49.39 54.77 66.13 71.61 88.27 85.77 83.58 81.33 59.39 52.60 43.19 64.67
1926 41.97 42.25 47.77 61.17 74.97 78.50 85.68 84.55 77.17 66.19 53.10 39.58 62.74
1927 41.35 49.00 55.19 60.80 71.35 78.37 85.81 78.81 79.47 70.03 59.70 47.84 64.81
1928 44.84 45.28 51.87 60.90 71.97 78.53 87.87 85.97 72.97 69.58 58.17 48.10 64.67
1929 43.42 42.96 59.87 67.03 73.90 82.93 86.65 83.35 79.10 65.23 54.83 45.77 65.42
1930 43.32 50.64 54.35 61.10 78.58 85.53 89.90 86.84 85.23 66.26 54.43 42.90 66.59
1931 45.16 47.00 47.90 62.50 73.52 83.17 89.55 84.39 85.07 72.81 62.20 53.06 67.19
1932 54.48 50.76 48.39 62.53 73.65 82.67 87.26 87.55 79.83 66.45 53.67 48.26 66.29
1933 50.87 46.04 49.94 63.43 75.32 85.53 85.61 84.84 80.70 67.39 52.23 45.81 65.64
1934 46.42 32.68 49.48 62.83 76.42 86.63 90.06 82.52 77.97 65.61 58.43 44.55 64.47
1935 40.39 42.93 58.68 60.13 70.61 82.50 87.55 84.52 75.23 67.74 56.43 38.23 63.74
1936 37.06 36.76 56.87 60.80 77.68 81.93 87.65 86.97 79.00 68.35 53.53 47.81 64.53
1937 50.06 44.00 49.65 61.33 76.87 84.13 86.52 86.42 76.10 64.10 55.63 44.35 64.93
1938 42.81 47.93 59.16 65.83 71.94 82.00 87.81 88.84 75.43 69.35 59.30 45.58 66.33
1939 44.84 49.86 53.71 62.10 77.94 83.97 84.97 87.58 79.83 68.19 55.07 47.10 66.26
1940 32.35 44.21 47.35 58.33 73.10 83.60 88.39 80.23 77.43 63.77 55.43 49.94 62.84
1941 40.74 40.89 48.61 70.20 79.45 82.47 86.35 86.39 83.10 74.19 61.03 49.39 66.90
1942 43.19 41.33 a 55.13 68.97 77.45 82.40 88.19 82.77 80.20 68.26 57.10 41.13 65.51
1943 40.90 46.96 54.35 60.27 75.19 88.07 86.55 88.45 78.00 64.71 55.30 45.10 65.32
1944 45.06 44.55 49.58 61.60 80.23 83.77 89.26 86.03 a 77.83 66.16 54.60 41.16 64.99
1945 36.45 45.29 65.58 67.77 71.81 84.10 84.45 84.52 80.03 67.55 57.40 38.81 65.31
1946 44.52 45.71 62.06 65.10 a 74.61 81.63 86.26 81.13 80.10 71.29 60.10 50.45 66.91
1947 48.77 39.54 47.52 65.53 74.23 79.90 85.06 86.65 78.03 73.65 52.76 a 43.16 64.57
1948 35.39 44.59 57.03 63.67 73.29 82.77 86.55 85.03 79.00 63.74 60.03 47.13 64.85
1949 49.03 51.21 54.81 63.60 74.84 83.57 89.42 85.55 75.63 71.65 56.73 48.29 67.03
1950 55.26 43.68 49.71 61.13 70.71 82.33 85.10 83.61 73.40 68.87 57.20 41.94 64.41
1951 46.58 45.68 52.87 64.53 73.90 81.83 87.42 84.87 78.97 69.68 51.43 48.16 65.49
1952 47.45 47.83 50.45 65.17 72.45 85.67 89.71 83.87 79.63 66.23 55.90 46.35 65.89
1953 48.19 49.75 53.84 62.87 76.52 82.67 87.32 85.48 79.07 70.35 57.77 49.42 66.94
1954 44.26 53.39 54.16 69.97 71.48 83.70 89.10 83.68 81.87 71.45 53.93 44.26 66.77
1955 41.65 45.79 56.32 67.70 77.06 79.87 91.74 86.94 76.27 69.74 53.53 40.65 65.60
1956 41.48 48.69 51.32 63.87 74.39 84.57 85.74 86.42 76.87 68.90 56.93 54.06 66.10
1957 40.19 48.14 53.48 68.70 77.71 86.33 90.10 85.65 80.33 65.29 57.77 48.97 66.89
1958 42.87 39.39 50.06 68.57 76.77 80.20 86.68 83.23 78.17 67.19 56.50 40.32 64.16
1959 43.48 47.57 54.94 68.83 79.16 86.50 86.94 88.23 82.37 70.13 55.40 48.61 67.68
1960 43.26 44.79 42.84 72.20 72.90 83.70 85.71 88.06 79.33 68.23 59.43 40.00 65.04
1961 37.77 46.71 54.68 60.70 71.32 83.10 88.32 85.13 84.93 70.84 57.13 42.94 65.30
1962 41.97 39.82 52.19 65.93 77.68 83.53 85.00 86.00 76.10 70.32 52.70 40.74 64.33
1963 38.61 38.39 57.13 67.27 73.71 84.27 88.81 85.19 75.93 74.29 58.33 37.87 64.98
1964 45.03 42.00 56.52 61.47 78.52 85.23 86.81 84.52 80.27 66.61 62.30 48.58 66.49
1965 42.35 46.71 49.71 62.27 80.61 83.73 86.16 85.65 82.00 67.19 56.97 50.03 66.12
1966 38.84 43.07 55.35 59.57 73.81 86.67 91.55 88.32 76.73 67.00 58.80 44.61 65.36
1967 48.74 42.25 51.94 66.47 69.29 85.50 86.48 84.32 78.20 67.81 52.27 47.45 65.06
1968 39.35 42.59 59.29 68.17 73.13 85.90 89.77 90.55 84.13 71.10 57.07 44.39 67.12
1969 41.03 42.61 51.19 69.73 79.71 85.93 87.45 87.87 80.97 69.61 55.17 42.26 66.13
1970 37.58 45.25 49.06 64.20 79.26 84.10 87.68 87.81 84.53 69.87 56.47 45.97 65.98
1971 38.13 45.50 50.00 65.27 71.58 84.50 87.16 85.29 80.60 70.81 54.83 53.58 65.60
1972 46.23 43.41 51.87 63.27 74.19 78.70 87.16 85.65 80.03 63.94 53.13 48.68 64.69
1973 46.26 44.57 57.77 64.07 71.39 85.23 88.06 88.65 81.97 71.87 59.87 47.48 67.27
1974 47.71 44.96 55.77 69.60 74.16 80.17 88.94 84.58 76.30 66.26 56.70 47.13 66.02
1975 45.94 45.32 51.45 59.80 77.35 83.90 87.81 89.65 76.00 71.97 64.00 45.81 66.58
1976 39.61 56.38 59.23 70.37 74.06 86.37 87.16 86.19 79.70 62.65 52.57 42.58 66.41
1977 33.13 48.04 61.23 70.50 79.06 82.33 90.68 88.71 81.23 65.68 56.87 45.68 66.93
1978 38.71 36.89 52.58 67.13 73.55 86.33 87.29 87.52 79.97 67.87 57.47 50.16 65.46
1979 41.77 33.93 59.65 62.57 75.39 81.17 86.68 86.00 79.73 66.29 61.83 50.71 65.48
1980 41.52 41.52 51.84 67.27 77.19 82.60 90.39 90.06 82.93 65.61 53.30 44.00 65.69
1981 40.00 48.68 53.39 69.40 74.55 85.27 88.19 85.61 77.97 64.35 56.57 42.87 65.57
1982 34.77 45.18 52.48 64.00 78.52 80.63 88.32 84.35 78.07 68.42 59.80 51.61 65.51
1983 42.65 45.46 54.55 61.90 73.58 84.70 92.26 88.81 82.77 67.45 57.83 40.29 66.02
1984 36.81 49.55 48.29 63.60 73.48 87.77 85.97 86.39 77.07 72.48 55.63 54.13 65.93
1985 39.48 49.04 59.87 74.27 79.19 83.47 89.35 86.97 82.50 69.77 59.27 45.84 68.25
1986 45.94 41.82 59.45 66.27 81.48 89.50 91.90 84.65 79.90 70.81 53.77 47.32 67.73
1987 42.65 46.07 59.77 64.63 79.10 88.67 92.42 86.94 79.57 64.03 58.63 47.84 67.53
1988 37.52 43.86 56.00 60.53 75.10 87.27 93.61 90.77 78.73 63.35 57.87 46.39 65.92
1989 47.74 44.11 54.19 66.37 75.39 85.57 87.68 86.32 79.50 71.45 57.13 35.29 65.89
1990 53.84 55.93 60.61 68.80 74.13 87.07 89.81 85.81 79.00 72.45 60.47 50.39 69.86
1991 42.84 49.89 54.55 69.40 83.61 87.60 90.32 90.52 80.27 70.84 58.67 52.16 69.22
1992 47.55 50.10 53.61 67.07 74.13 83.23 90.03 85.29 78.83 66.19 56.57 46.65 66.60
1993 47.06 40.46 49.16 63.07 78.42 85.70 93.65 89.26 79.23 66.52 57.10 43.35 66.08
1994 35.61 44.18 53.32 73.37 73.32 88.50 90.84 84.29 78.57 67.65 61.60 50.94 66.85
1995 45.73 a 40.61 61.58 67.83 76.61 85.83 ----- z ----- z 80.00 74.29 53.34 a 41.58 62.74
1996 40.03 44.14 50.35 66.10 69.74 d 85.62 f 85.85 e 85.65 79.83 68.84 53.34 a 51.30 a 63.20
1997 45.77 54.21 58.97 67.20 75.83 a 86.43 92.16 89.13 81.87 71.87 55.70 51.61 69.23
1998 53.16 54.04 a 59.29 71.21 a 79.71 c 86.23 92.35 92.39 87.80 72.52 63.73 56.07 a 72.38
1999 49.55 51.71 56.13 68.37 81.03 ----- z 91.42 85.94 77.93 65.68 60.23 48.35 66.94
2000 42.57 a 48.34 60.32 63.87 76.81 84.30 83.45 82.97 75.83 69.07 a 54.30 38.45 65.02
2001 40.93 a 47.82 50.13 65.20 71.84 84.20 84.74 ----- z 77.30 69.77 63.30 52.10 a 64.30
Period of Record Statistics
MEAN 42.50 44.12 53.50 64.48 74.78 83.18 87.43 85.27 78.91 67.89 56.07 45.37 65.25
S.D. 4.92 4.86 4.58 3.61 3.23 2.90 2.41 2.59 2.74 3.00 3.19 4.34 1.83
SKEW 0.05 0.00 0.14 0.35 0.15 -0.38 0.47 0.10 0.31 -0.03 0.21 -0.03 0.45
MAX 55.26 56.38 65.58 74.27 83.61 89.50 93.65 92.39 87.80 74.29 64.00 56.07 72.38
MIN 29.87 32.68 42.84 56.40 67.32 74.27 81.68 78.77 72.13 59.39 48.67 34.39 60.79
NO YRS 109 109 109 109 109 107 108 107 109 109 109 109 105