WESTERNPORT, MARYLAND

Monthly Average 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 39.22 32.61 35.91
1895 24.42 21.57 36.92 50.37 61.11 72.12 70.29 72.15 68.67 45.63 40.73 31.06 49.59
1896 28.52 30.64 28.59 o 56.70 c 67.45 71.47 75.29 71.92 65.62 48.85 45.47 32.37 54.03
1897 25.89 32.98 42.58 50.68 58.95 70.30 75.55 69.97 64.45 54.84 41.20 c 34.02 51.78
1898 33.85 30.25 44.77 48.03 63.74 73.28 77.00 73.44 67.12 53.69 40.33 30.39 52.99
1899 29.13 24.59 39.16 53.75 62.21 70.02 72.76 71.71 61.97 54.71 41.68 30.66 51.03
1900 29.65 27.23 33.44 48.48 60.10 68.02 73.90 75.07 a 69.12 56.48 42.20 29.95 51.14
1901 28.19 23.66 37.48 45.98 58.90 68.83 a 76.40 71.45 62.17 51.45 35.52 28.87 49.08
1902 27.31 22.91 41.79 48.53 64.08 67.98 73.71 68.77 64.05 56.13 49.88 32.07 b 51.44
1903 28.85 33.82 48.92 50.82 63.35 63.03 71.08 69.97 63.75 53.26 37.70 27.37 50.99
1904 23.71 25.28 41.16 47.48 62.11 68.88 70.81 69.76 65.72 50.44 d 39.95 28.98 49.52
1905 26.34 24.79 44.44 51.13 62.69 69.75 73.19 71.69 64.72 53.69 40.30 34.79 51.46
1906 36.85 30.48 34.31 52.70 63.45 70.60 72.08 74.45 69.32 53.26 44.95 34.73 53.10
1907 34.60 27.88 46.10 46.50 58.58 63.83 72.71 69.21 66.48 49.71 41.02 34.76 50.95
1908 30.24 27.74 44.50 54.26 a 62.03 69.37 74.32 71.26 66.68 54.60 43.38 35.48 52.82
1909 33.42 40.77 39.66 52.20 61.27 70.88 70.73 71.00 64.13 49.79 48.40 28.45 52.56
1910 30.82 32.20 48.27 54.60 58.90 66.07 74.50 71.40 67.90 57.76 37.65 26.89 52.25
1911 35.03 36.16 38.81 48.85 66.55 70.62 74.63 73.37 68.65 55.77 40.83 39.06 54.03
1912 23.89 30.60 41.02 56.21 a 64.21 67.88 73.15 70.18 70.87 58.06 46.70 38.56 53.44
1913 40.16 34.62 47.39 54.25 61.33 b 70.70 73.37 72.21 65.03 a 58.06 46.95 39.26 55.28
1914 34.90 30.29 39.35 52.28 64.40 71.60 73.00 72.73 65.30 59.69 43.77 30.73 53.17
1915 31.60 37.48 37.50 57.10 60.15 67.57 72.53 69.94 69.02 58.81 44.75 33.10 53.29
1916 37.79 33.64 37.90 51.35 65.40 66.43 75.29 73.85 65.97 55.27 44.45 34.06 53.45
1917 34.24 32.46 41.24 52.78 57.05 68.40 73.90 72.08 63.57 51.11 42.37 26.02 51.27
1918 21.00 34.48 47.13 51.08 68.81 b 68.68 70.79 75.98 62.48 60.69 43.35 39.71 53.68
1919 35.55 a 35.95 44.27 52.03 61.34 73.28 74.68 71.21 67.73 61.65 44.33 28.55 a 54.21
1920 26.79 30.97 43.73 49.27 59.19 68.32 70.53 70.98 66.82 59.15 42.08 34.73 51.88
1921 34.98 36.68 51.82 57.62 61.06 71.82 76.50 69.85 72.15 55.06 45.30 36.56 55.78
1922 29.13 37.66 44.08 54.27 65.31 72.85 74.71 71.63 69.98 57.85 45.88 35.97 54.94
1923 33.21 31.89 42.59 c 51.68 60.13 72.23 72.60 72.21 68.55 54.68 43.38 43.26 53.87
1924 31.44 31.34 39.52 49.88 57.24 68.80 71.35 73.26 61.73 57.42 43.88 34.50 51.70
1925 29.89 42.00 45.08 56.02 58.10 72.58 72.66 70.89 71.65 49.53 42.30 33.79 53.71
1926 33.03 34.75 37.50 48.83 63.29 66.22 73.45 73.60 67.95 55.85 41.55 32.00 52.34
1927 32.34 39.75 46.92 50.58 61.85 65.47 72.39 67.73 68.48 59.11 48.70 35.21 54.04
1928 34.10 34.90 41.94 48.72 59.85 66.55 72.55 73.69 62.55 57.71 45.77 35.95 52.86
1929 30.94 31.91 47.52 55.38 60.95 69.12 72.94 69.60 67.82 52.60 43.12 a 37.68 53.30
1930 33.10 b 40.68 41.50 52.68 63.98 69.47 74.74 71.61 70.25 52.24 42.67 31.27 53.68
1931 35.55 36.84 38.73 51.55 61.77 70.77 77.08 72.74 71.60 58.39 52.55 42.31 55.82
1932 43.53 42.12 37.58 51.00 62.73 70.28 74.19 73.31 68.02 55.18 41.82 36.87 54.72
1933 41.16 35.00 39.58 53.87 64.29 72.18 73.58 72.95 69.62 54.74 41.38 37.48 a 54.65
1934 36.16 24.48 39.06 53.64 b 64.21 74.23 77.32 c 71.71 68.45 55.66 47.27 34.15 53.86
1935 31.69 33.88 48.76 49.83 59.00 69.17 76.18 73.08 65.30 56.34 47.68 28.47 53.28
1936 27.25 a 27.41 46.03 48.53 65.34 69.82 76.29 75.71 66.59 s 56.81 41.50 34.48 51.74
1937 39.30 a 34.04 39.53 50.68 61.85 71.17 73.18 74.44 63.55 51.42 43.20 b 33.38 a 52.98
1938 32.81 39.41 a 47.94 54.42 61.39 68.22 74.15 74.94 64.32 57.19 46.73 34.48 54.66
1939 35.08 38.54 44.84 50.02 64.58 70.85 71.19 73.50 68.40 56.19 43.77 38.00 54.58
1940 21.63 34.59 38.34 48.78 61.50 69.95 73.13 70.55 62.77 53.89 44.65 39.71 51.62
1941 31.23 30.52 36.32 57.00 62.05 a 69.38 73.79 70.68 68.25 59.90 46.83 38.87 53.74
1942 32.48 31.23 45.02 56.03 64.37 71.03 73.66 70.53 a 64.93 56.74 45.48 30.42 53.50
1943 34.48 36.30 c 41.63 48.05 64.13 76.32 73.52 72.85 63.24 a 53.32 42.85 33.98 53.39
1944 33.50 36.90 40.00 49.62 67.73 72.22 73.00 72.39 64.80 54.37 43.92 30.92 53.28
1945 28.11 34.36 52.32 55.12 58.92 68.32 72.85 70.89 68.37 54.10 44.15 28.73 53.02
1946 33.08 34.64 49.15 50.75 58.82 65.82 71.13 68.23 66.32 58.11 47.15 38.55 53.48
1947 38.34 27.38 35.55 56.47 62.06 68.66 a 71.16 76.23 66.83 61.90 42.13 c 33.84 53.38
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 71.90 65.55 52.26 47.35 36.66 54.74
1949 40.90 41.11 42.69 52.55 62.55 71.43 75.84 73.48 62.60 60.18 44.98 36.31 55.39
1950 44.11 35.21 39.00 49.37 63.52 69.50 b 70.52 72.06 62.67 56.35 42.05 30.39 52.90
1951 34.79 36.14 43.08 52.08 62.39 70.53 74.29 72.31 66.90 58.40 39.10 35.13 53.76
1952 37.74 38.09 41.32 53.62 60.79 73.35 77.00 73.16 65.08 52.24 46.15 35.76 54.53
1953 37.58 38.70 43.94 51.82 66.68 72.22 75.11 72.74 66.68 57.92 44.92 38.50 55.57
1954 32.08 40.52 41.42 58.80 58.89 70.72 73.85 72.05 68.53 a 57.48 42.08 33.42 54.15
1955 31.23 33.98 45.13 56.75 65.31 65.60 77.42 75.68 66.97 56.29 41.28 31.84 53.96
1956 ----- z 37.40 40.85 51.23 61.48 69.33 71.94 71.65 63.33 56.52 43.63 42.03 55.40
1957 30.44 38.32 42.18 55.26 a 64.23 71.58 72.65 n 72.89 68.03 51.95 45.87 38.55 52.66
1958 30.61 27.64 37.81 53.52 61.73 66.63 74.39 70.79 66.25 54.55 47.15 28.40 51.62
1959 30.13 36.52 41.66 54.97 66.26 70.72 74.55 a 76.48 69.28 57.22 a 41.58 37.95 54.78
1960 35.19 33.57 30.66 57.15 60.29 68.95 70.48 74.40 67.18 54.61 45.12 27.56 52.10
1961 26.98 35.79 44.45 47.13 57.53 67.10 72.32 72.31 69.80 56.21 45.42 34.63 52.47
1962 32.69 34.70 40.95 52.43 63.94 ----- z 70.08 71.84 62.18 56.76 41.70 29.37 50.60
1963 29.13 29.29 44.53 53.37 61.10 68.65 71.42 69.90 63.07 59.32 47.40 27.39 52.05
1964 33.84 32.03 42.71 52.20 64.23 70.18 73.76 70.40 65.70 52.31 48.13 35.87 53.45
1965 31.79 34.71 39.02 51.90 66.74 67.77 72.95 72.34 69.60 53.71 45.50 40.11 53.85
1966 27.63 32.88 44.15 47.97 61.85 69.60 76.10 72.56 62.65 53.03 44.98 33.48 52.24
1967 37.00 31.02 43.27 55.17 57.06 70.88 72.03 69.82 62.50 54.34 41.05 36.63 a 52.57
1968 27.34 29.29 47.21 55.27 58.44 69.82 74.42 75.94 67.50 56.87 45.90 ----- z 55.27
Period of Record Statistics
MEAN 32.24 33.28 42.18 52.21 62.18 69.67 73.53 72.15 66.37 55.37 43.82 34.03 53.07
S.D. 4.76 4.80 4.23 3.02 2.73 2.40 1.90 1.91 2.69 3.15 2.99 4.03 1.46
SKEW 0.08 -0.37 0.00 0.07 0.14 -0.20 0.22 0.28 0.02 -0.41 0.00 0.04 -0.44
MAX 44.11 42.12 52.32 58.80 68.81 76.32 77.42 76.48 72.15 61.90 52.55 43.26 55.82
MIN 21.00 21.57 30.66 45.98 57.05 63.03 70.08 67.73 61.73 45.63 35.52 26.02 49.08
NO YRS 72 73 72 73 73 72 72 74 73 74 75 74 67