WESTMINSTER 2 SSE, MARYLAND

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(189435)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 197901
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 26.06 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 26.06
1894 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1895 37.40 k 33.18 51.03 66.13 77.39 88.70 ----- z 92.55 85.23 65.90 58.93 44.65 66.37
1896 38.39 43.79 48.83 a 72.07 b 81.68 ----- z ----- z ----- z ----- z 61.65 62.60 42.06 56.38
1897 35.35 40.96 54.23 66.80 72.52 ----- z ----- z ----- z ----- z 68.74 54.10 43.23 54.49
1898 40.61 42.29 58.71 59.90 77.48 84.17 89.27 i ----- z 77.94 l 64.30 a 48.87 35.53 p 59.54
1899 39.89 c 31.41 a 45.81 d 64.14 a 73.38 b ----- z ----- z ----- z ----- z 69.21 b 52.23 41.07 a 52.14
1900 43.21 b 39.71 45.03 a 61.60 74.13 85.00 i 89.67 a 90.04 e 81.23 70.43 a 56.31 a 43.45 63.17
1901 38.87 32.71 50.65 57.30 70.42 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 49.99
1902 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1903 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1904 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1905 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1906 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1907 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1908 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1909 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1910 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1911 ----- z ----- z ----- z ----- z ----- z 82.43 88.84 85.86 c 79.79 p 65.83 a 51.76 a 47.42 70.36
1912 33.71 38.32 a 47.83 b 66.73 ----- z ----- z 85.48 81.42 80.60 70.77 a 57.81 d 48.41 d 61.11
1913 51.52 f ----- z 60.38 b 65.15 c 76.26 d 85.85 d ----- z ----- z ----- z ----- z ----- z ----- z 71.91
1914 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1915 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1916 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1917 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1918 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1919 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1920 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 42.23 42.23
1921 42.06 44.43 63.55 69.40 71.90 84.90 87.77 80.35 81.67 67.19 52.93 40.77 a 65.58
1922 35.81 43.93 51.26 63.03 76.03 82.00 83.65 81.58 80.37 69.45 54.90 42.16 63.68
1923 39.10 36.46 53.55 62.53 73.39 86.30 85.71 82.14 b 77.47 66.19 33.87 50.77 62.29
1924 42.35 38.31 48.03 60.03 66.94 78.40 83.90 83.29 73.03 68.87 53.83 a 42.16 61.60
1925 37.55 47.86 53.81 66.17 71.03 88.07 84.52 83.71 80.90 57.58 50.77 40.77 63.56
1926 40.42 40.68 47.45 60.43 75.94 78.27 86.61 83.32 75.60 64.97 51.77 38.00 61.95
1927 39.84 46.57 54.19 60.83 70.55 77.83 85.35 77.32 80.17 69.13 57.77 43.87 63.62
1928 42.97 43.97 50.42 59.79 a 72.42 77.03 85.58 84.77 71.83 68.58 56.14 a 46.13 63.30
1929 40.00 42.14 59.00 66.07 72.97 81.87 85.42 83.23 79.93 63.71 52.20 44.48 64.25
1930 41.16 48.57 53.10 61.00 77.48 83.53 90.26 87.52 85.23 67.26 53.47 39.67 a 65.69
1931 42.00 44.64 46.23 61.87 73.65 81.30 87.32 83.03 82.57 71.26 61.33 ----- z 66.84
1932 ----- z ----- z ----- z 62.73 74.16 82.50 87.16 87.81 80.43 65.87 52.83 46.42 71.10
1933 49.94 44.46 48.13 62.63 74.74 84.67 85.84 83.52 79.30 66.10 50.20 43.65 64.43
1934 45.55 32.29 49.48 63.00 75.26 85.27 90.16 81.39 77.23 65.32 56.43 41.71 63.59
1935 37.39 41.18 57.35 59.57 69.84 81.23 87.77 84.81 75.00 67.84 55.27 34.94 62.68
1936 34.55 34.45 56.68 60.87 78.87 81.40 87.45 86.23 79.47 67.03 50.07 43.55 63.38
1937 47.58 43.32 48.65 60.13 76.19 83.87 85.39 85.13 75.67 63.61 54.47 42.06 63.84
1938 40.81 47.04 57.58 65.53 71.13 81.40 86.61 87.65 74.03 68.00 58.00 43.00 65.06
1939 41.94 47.86 54.39 60.37 78.16 83.17 83.74 87.06 78.83 65.81 52.20 44.23 64.81
1940 29.42 40.90 45.10 58.27 72.45 81.13 87.13 78.65 75.20 63.23 53.53 48.42 61.12
1941 37.29 38.14 46.26 70.30 77.52 81.07 85.23 84.29 82.17 72.55 60.40 46.94 65.18
1942 40.23 38.68 54.94 69.23 76.68 81.03 85.74 82.13 79.17 68.29 55.63 38.23 64.16
1943 40.29 45.29 53.19 60.33 77.61 87.83 88.16 89.65 79.47 64.23 54.00 43.71 65.31
1944 43.42 42.00 48.68 60.20 80.90 84.00 90.61 88.23 78.60 66.68 54.13 38.71 64.68
1945 34.68 42.75 66.42 67.03 70.97 82.47 83.90 83.90 80.13 67.55 56.53 36.87 64.43
1946 42.68 44.82 62.35 65.33 73.48 79.53 84.97 79.16 79.17 71.35 59.53 48.16 65.88
1947 47.00 39.00 46.26 68.33 73.61 81.00 84.42 86.61 78.73 75.10 50.03 41.39 64.29
1948 33.61 43.62 56.39 65.23 72.97 ----- z 85.13 83.23 78.60 63.65 58.63 44.13 62.29
1949 47.10 49.82 54.39 63.37 74.00 83.17 88.55 83.93 a 75.17 70.10 54.27 45.42 65.77
1950 53.29 42.04 48.48 61.07 71.84 81.10 83.13 83.03 72.33 67.68 54.86 a 39.10 63.16
1951 43.42 44.43 52.16 63.77 75.06 81.20 86.71 84.35 78.33 68.03 a 49.03 44.23 64.23
1952 44.68 45.45 49.71 63.62 a 72.19 85.00 87.94 83.35 79.10 64.77 54.13 42.35 64.36
1953 45.10 47.75 53.32 62.33 76.81 82.63 88.27 a 85.19 78.33 69.26 55.43 45.87 65.86
1954 41.06 50.25 51.87 68.50 70.45 83.53 87.48 82.29 79.77 68.71 50.80 40.71 64.62
1955 38.23 43.14 53.71 66.63 76.87 77.13 89.35 86.19 75.23 67.39 50.23 37.47 a 63.47
1956 38.00 44.76 49.19 60.97 73.10 81.57 82.19 82.55 73.30 64.55 53.23 49.94 62.78
1957 36.45 44.89 51.10 66.00 75.26 83.33 86.58 84.19 77.20 61.84 53.30 44.65 63.73
1958 37.03 34.21 44.68 63.63 71.74 77.83 84.94 82.48 77.03 65.29 55.30 36.48 60.89
1959 38.68 44.43 53.06 68.17 77.45 82.70 85.39 85.94 79.87 67.55 51.50 44.55 64.94
1960 40.23 41.07 40.52 69.90 70.29 80.67 82.61 84.10 75.77 64.65 56.30 36.23 61.86
1961 33.42 42.79 52.94 57.00 68.87 81.30 85.03 83.42 81.60 67.90 54.20 38.55 62.25
1962 38.26 38.46 48.87 63.60 76.55 81.10 82.39 83.13 73.07 66.16 49.03 36.52 61.43
1963 35.35 35.00 54.10 65.53 73.42 82.13 85.58 82.06 74.63 71.68 55.80 33.71 62.42
1964 40.68 37.31 52.10 58.50 75.23 83.13 84.68 81.52 77.73 62.48 57.83 42.84 62.84
1965 36.26 43.64 45.87 59.73 77.29 79.63 84.45 82.58 77.97 62.26 53.23 45.77 62.39
1966 33.68 38.11 52.65 56.17 70.45 82.73 88.23 84.39 71.63 62.06 54.47 39.77 61.19
1967 44.48 37.43 49.19 64.47 65.77 82.87 81.81 79.10 73.63 63.65 47.17 42.68 61.02
1968 35.16 37.55 55.58 64.90 67.94 80.23 84.68 85.81 78.30 64.77 52.00 39.55 62.21
1969 36.48 37.43 46.61 65.30 74.29 82.33 83.65 82.48 76.43 65.42 50.40 35.84 61.39
1970 32.42 40.96 45.03 62.23 75.39 80.23 83.58 84.42 80.93 66.52 52.47 41.23 62.12
1971 33.81 41.46 47.77 63.17 69.16 81.57 83.52 81.03 76.80 68.77 51.53 48.84 62.29
1972 41.87 38.90 49.23 ----- z 72.52 75.07 83.45 81.52 77.13 59.84 47.07 44.58 61.01
1973 42.61 40.39 54.71 ----- z ----- z ----- z 82.52 83.00 76.77 66.81 ----- z 42.94 61.22
1974 43.06 40.43 51.61 64.90 69.61 75.37 82.58 81.61 72.83 62.90 53.60 43.81 61.86
1975 ----- z 41.32 47.52 55.40 73.55 78.30 81.55 83.10 70.33 67.23 58.57 41.68 63.50
1976 ----- z 51.79 55.16 65.83 69.32 80.50 79.81 79.90 74.10 58.03 46.67 38.23 63.58
1977 26.06 42.46 ----- z 65.57 75.94 77.37 85.26 82.48 77.33 61.23 51.90 39.03 62.24
1978 31.61 30.54 ----- z 61.83 68.58 80.23 ----- z ----- z ----- z ----- z ----- z ----- z 54.56
1979 35.65 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 35.65
Period of Record Statistics
MEAN 39.22 41.45 51.66 63.42 73.68 81.77 85.59 83.75 77.66 66.32 53.56 42.34 63.42
S.D. 5.13 4.67 4.92 3.59 3.30 2.84 2.36 2.79 3.26 3.33 4.22 3.79 1.45
SKEW -0.09 -0.25 0.58 0.06 -0.04 0.04 0.13 0.56 -0.08 -0.20 -1.37 -0.06 -0.04
MAX 53.29 51.79 66.42 72.07 81.68 88.70 90.61 92.55 85.23 75.10 62.60 50.77 65.88
MIN 26.06 30.54 40.52 55.40 65.77 75.07 79.81 77.32 70.33 57.58 33.87 33.71 60.89
NO YRS 64 65 64 65 65 60 60 61 60 65 64 64 49