WESTERNPORT, MARYLAND

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(189405)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 196811
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
1894 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 48.73 42.13 45.43
1895 34.29 30.93 46.45 61.27 73.13 89.47 87.19 89.19 85.77 60.74 52.93 41.35 62.73
1896 37.06 40.76 38.56 o 67.43 82.03 86.03 89.23 85.87 79.40 60.32 56.47 40.97 65.96
1897 34.71 40.86 54.55 64.00 73.87 85.70 90.06 84.68 81.60 68.32 50.96 c 41.90 64.27
1898 42.42 40.18 56.29 59.50 78.03 89.13 91.58 85.16 80.57 63.90 50.30 39.42 64.71
1899 38.58 33.61 48.35 67.33 73.52 81.07 83.77 82.61 72.90 65.58 50.90 39.23 61.45
1900 36.29 34.46 41.13 60.00 73.55 78.67 86.65 88.16 82.20 68.13 50.30 37.84 61.45
1901 35.45 30.21 46.10 54.80 70.13 81.52 a 88.35 81.94 73.13 64.42 43.27 35.97 58.77
1902 34.26 29.07 52.77 60.43 79.84 83.23 87.77 82.61 78.70 68.87 61.00 39.13 63.14
1903 36.48 44.86 59.71 63.30 78.61 73.63 83.81 81.16 77.40 62.87 48.30 36.10 62.19
1904 32.35 34.31 51.55 58.63 76.19 80.70 83.10 83.00 79.40 64.70 d 50.53 36.48 60.91
1905 34.77 33.57 56.35 64.03 75.48 82.27 84.58 84.03 78.97 67.23 50.97 42.74 62.92
1906 45.19 41.75 41.68 67.10 79.58 83.43 84.74 85.13 81.17 62.45 55.70 42.00 64.16
1907 43.90 37.86 57.23 58.30 72.19 75.10 84.87 81.58 77.60 63.19 49.97 42.90 62.06
1908 39.77 36.07 55.97 68.00 a 73.23 82.97 86.65 83.87 83.03 68.19 55.73 44.35 64.82
1909 42.39 50.04 49.26 65.63 75.23 81.90 84.55 84.39 76.80 62.94 61.03 36.19 64.19
1910 39.06 41.64 63.13 68.87 72.52 77.67 87.39 85.94 80.27 72.06 45.03 33.74 63.94
1911 44.45 44.68 49.81 61.27 83.35 83.53 89.65 85.77 80.20 66.58 49.87 47.71 65.57
1912 32.39 39.24 49.42 69.77 78.32 81.33 84.65 82.45 84.37 73.71 58.87 49.71 65.35
1913 51.26 45.43 61.35 67.47 74.63 a 84.63 87.03 86.52 80.17 69.55 58.87 47.77 67.89
1914 43.65 40.93 50.61 65.30 80.03 85.17 85.52 86.48 81.20 72.71 56.57 38.45 65.55
1915 39.84 47.14 48.52 72.53 72.39 80.93 85.42 80.87 82.73 73.26 56.47 41.00 65.09
1916 49.23 44.59 49.48 63.97 78.35 78.70 87.55 88.16 83.33 72.32 58.13 43.87 66.47
1917 45.58 44.46 53.19 66.60 69.13 82.90 86.71 85.71 77.70 67.19 56.33 36.00 64.29
1918 29.87 47.46 62.77 63.97 83.31 b 82.17 84.10 88.90 75.87 74.32 54.37 48.81 66.33
1919 46.37 a 46.11 57.87 66.23 74.77 86.33 88.42 84.84 84.67 74.23 55.60 39.71 67.10
1920 36.84 40.03 58.52 60.97 73.84 81.80 83.97 81.45 79.87 75.35 50.37 42.06 63.76
1921 44.71 47.21 67.29 72.77 74.03 86.73 89.84 83.16 85.03 70.58 54.67 45.32 68.45
1922 39.94 49.43 55.39 67.33 79.71 86.07 88.65 85.61 86.77 72.65 56.63 45.23 67.78
1923 40.61 40.46 58.00 66.67 75.65 86.57 85.90 84.87 82.20 70.10 53.50 52.90 66.45
1924 42.35 40.00 48.94 62.73 69.16 80.20 84.90 87.00 72.70 74.32 54.93 43.97 63.43
1925 39.90 54.61 59.29 71.07 72.06 87.07 85.45 85.32 85.67 57.16 52.40 41.19 65.93
1926 42.77 43.32 48.97 62.23 79.97 79.33 86.35 84.26 78.40 66.97 52.63 39.39 63.72
1927 39.94 48.96 58.55 63.20 73.10 77.43 84.52 78.77 84.83 73.84 59.27 44.71 65.59
1928 44.58 44.34 53.19 60.90 74.10 76.23 84.32 84.00 74.23 70.55 55.53 45.90 63.99
1929 39.74 42.25 60.90 68.57 74.39 83.73 87.26 84.39 81.27 64.87 51.48 a 47.23 65.51
1930 43.74 52.75 53.94 66.10 78.68 85.03 91.61 87.42 85.40 67.58 53.87 38.42 67.04
1931 45.61 47.25 46.42 65.93 75.77 85.67 91.06 84.65 85.43 72.13 64.37 51.48 67.98
1932 52.35 54.10 48.16 64.77 77.87 83.90 88.19 89.74 84.60 66.77 53.03 47.87 67.61
1933 52.29 46.07 48.65 67.63 75.84 87.40 87.94 85.35 81.63 69.45 51.80 46.35 66.70
1934 45.61 36.21 52.23 67.83 80.48 88.13 92.32 83.81 80.50 69.65 57.67 43.13 66.46
1935 41.29 43.39 62.32 61.07 72.35 83.27 88.77 84.45 77.97 71.06 57.40 34.90 64.85
1936 36.10 a 37.38 58.29 60.63 82.23 84.30 91.39 88.48 84.17 69.06 52.47 43.00 65.62
1937 48.35 43.32 50.13 62.43 77.10 83.83 86.39 87.23 76.77 61.68 54.93 42.10 a 64.52
1938 41.52 50.79 60.48 68.43 74.39 81.63 87.10 89.65 74.83 73.42 61.70 42.84 67.23
1939 44.35 50.00 57.65 61.57 79.65 82.00 82.13 86.55 82.97 70.26 54.17 46.26 66.46
1940 28.90 43.48 48.03 60.77 75.03 81.63 86.81 81.03 76.90 66.90 53.93 48.61 62.67
1941 37.39 39.86 47.81 73.17 78.37 a 81.93 85.39 84.81 83.67 72.16 59.80 47.19 65.96
1942 42.13 39.79 57.23 70.50 77.00 81.53 85.87 80.55 76.33 68.29 55.33 37.06 64.30
1943 42.32 45.18 54.48 60.37 76.55 89.17 86.03 86.84 77.83 a 64.77 53.87 44.16 65.13
1944 43.74 47.48 51.16 60.83 81.90 84.93 87.74 86.16 75.13 66.81 52.83 39.32 64.84
1945 35.45 44.21 65.97 68.50 71.84 80.47 84.32 84.06 78.80 67.29 53.70 34.32 64.08
1946 40.97 44.00 61.52 62.97 68.61 75.77 84.68 80.16 82.33 72.58 58.73 48.61 65.08
1947 47.77 36.14 45.68 71.23 76.65 82.33 84.23 88.13 79.47 76.97 49.77 43.55 65.16
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 84.65 78.60 63.65 57.83 45.55 66.05
1949 49.39 52.36 55.00 65.73 77.58 85.50 87.19 85.13 75.00 73.39 55.80 46.35 67.37
1950 56.06 44.39 51.61 63.77 76.84 83.50 b 83.39 86.10 72.57 68.13 52.17 39.13 64.80
1951 44.77 46.39 54.74 64.80 76.00 83.30 87.87 86.94 82.57 72.55 48.93 45.16 66.17
1952 46.68 48.03 52.65 66.13 73.26 88.00 91.06 85.90 80.23 66.81 56.17 42.35 66.44
1953 46.00 48.89 53.61 63.20 80.29 86.17 90.74 88.42 82.90 74.94 58.13 48.19 68.46
1954 41.77 52.71 52.03 73.87 72.58 84.00 89.81 83.32 82.43 69.58 51.27 40.58 66.16
1955 39.84 44.54 57.52 70.00 79.94 78.40 90.68 86.94 79.53 68.94 51.97 41.03 65.78
1956 ----- z 45.83 52.42 63.97 76.48 82.80 83.32 84.06 75.47 67.19 53.73 51.13 66.95
1957 38.42 46.32 52.45 67.41 a 79.26 82.90 88.39 87.81 80.37 63.61 55.40 48.16 65.87
1958 38.06 35.46 44.61 67.07 76.39 79.77 85.87 82.23 80.03 68.03 58.70 37.74 62.83
1959 39.29 48.04 55.06 69.43 80.65 84.10 87.37 a 88.94 84.77 68.30 a 51.70 46.03 66.97
1960 42.90 41.69 41.48 71.67 71.45 82.07 83.65 86.61 78.17 67.84 58.33 39.10 63.75
1961 36.03 46.00 55.26 58.03 70.65 80.80 84.23 85.29 83.77 72.06 55.43 42.45 64.17
1962 41.52 43.36 51.03 64.97 79.26 82.00 81.48 86.87 73.97 69.13 51.57 38.68 63.65
1963 40.48 41.00 56.29 67.60 75.58 81.40 85.00 83.03 77.13 77.23 57.23 34.35 64.69
1964 43.71 40.83 54.87 63.77 78.26 83.47 86.29 83.90 80.13 66.58 61.03 44.52 65.61
1965 42.06 46.93 49.23 64.60 80.65 81.73 86.87 86.16 82.97 65.74 55.30 48.94 65.93
1966 35.74 41.11 58.23 57.93 76.06 86.20 91.10 86.55 73.80 67.06 57.03 41.61 64.37
1967 48.26 42.57 55.32 68.97 69.52 85.47 82.65 81.00 77.10 67.29 50.10 45.20 a 64.45
1968 38.23 39.31 61.26 70.30 71.10 83.13 88.48 89.00 81.93 68.52 53.97 ----- z 67.75
Period of Record Statistics
MEAN 41.39 43.12 53.71 65.21 76.02 82.89 86.74 85.08 79.98 68.62 54.40 42.69 64.99
S.D. 5.33 5.59 5.66 4.12 3.61 3.28 2.57 2.48 3.65 4.10 3.86 4.50 1.87
SKEW 0.16 -0.32 0.00 -0.05 -0.02 -0.39 0.25 -0.24 -0.24 -0.18 -0.11 0.01 -0.57
MAX 56.06 54.61 67.29 73.87 83.35 89.47 92.32 89.74 86.77 77.23 64.37 52.90 68.46
MIN 28.90 29.07 41.13 54.80 68.61 73.63 81.48 78.77 72.57 57.16 43.27 33.74 58.77
NO YRS 72 73 72 73 73 73 73 74 74 74 75 74 70