LA PLATA 1 W, MARYLAND

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(185080)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 199808
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 ----- z 26.35 26.35
1895 23.35 18.86 34.00 46.20 53.00 a 62.93 62.23 63.15 k 61.43 39.10 35.23 29.19 e 42.32
1896 30.75 w ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1897 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1898 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1899 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1900 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1901 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
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 36.07 c 43.67 48.20 a 52.05 i ----- z ----- z 61.14 b 45.65 31.56 c 20.25 k 44.38
1911 29.74 d 29.29 28.65 37.64 h 50.61 ----- z 69.67 v ----- z ----- z ----- z ----- z ----- z 34.57
1912 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1913 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
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 21.90 u 9999.00
1920 21.97 25.93 33.13 42.87 47.71 59.37 62.60 a 65.97 59.07 47.29 35.47 31.13 44.37
1921 29.16 29.86 43.35 47.53 50.77 60.67 68.35 61.84 63.23 44.03 38.87 28.81 47.21
1922 23.94 30.00 36.48 44.83 53.61 64.00 66.65 62.58 58.57 47.26 36.90 29.97 46.23
1923 29.32 24.82 34.00 41.30 48.23 62.57 64.42 63.55 58.67 45.90 34.33 35.29 45.20
1924 25.19 26.28 35.38 r 39.31 a 49.94 60.67 63.81 63.48 54.70 43.23 36.83 27.58 44.64
1925 24.10 33.61 35.74 44.53 46.81 64.03 65.45 60.35 62.20 43.90 34.83 29.48 45.42
1926 25.10 27.89 29.48 40.50 50.45 58.97 66.65 68.03 60.87 48.61 35.27 27.19 44.92
1927 26.58 34.07 37.23 41.40 53.35 57.63 65.06 61.42 58.67 48.94 41.73 31.65 46.48
1928 27.74 29.31 35.45 41.93 51.94 62.20 68.16 67.55 57.00 49.35 40.63 29.68 46.75
1929 27.26 26.18 40.65 47.93 53.52 60.87 65.10 63.13 58.53 44.84 40.80 29.26 46.50
1930 28.61 31.00 32.65 40.53 54.13 62.10 67.06 61.84 62.67 42.39 37.27 25.55 45.48
1931 26.58 27.64 32.29 41.27 51.90 60.93 68.06 64.87 61.93 46.90 40.83 33.52 46.39
1932 36.45 30.69 28.26 38.43 50.71 60.23 63.65 62.94 56.77 46.06 32.77 28.71 44.64
1933 31.65 27.36 31.26 41.47 54.74 60.00 63.06 64.32 60.67 43.06 32.67 28.29 44.88
1934 28.00 13.14 27.84 39.10 52.52 63.93 67.23 62.00 60.00 43.32 37.17 27.74 43.50
1935 23.65 24.93 38.65 41.13 50.03 61.50 68.19 65.84 56.20 45.71 42.43 23.55 45.15
1936 21.55 18.31 38.32 40.47 52.77 60.97 66.10 66.32 60.37 49.06 34.83 f 30.29 45.87
1937 35.71 26.93 30.42 42.37 51.48 63.73 65.23 66.87 53.53 44.52 34.50 26.74 45.17
1938 25.42 31.50 36.97 44.73 52.17 a 60.37 66.42 66.00 57.83 43.97 36.27 28.68 45.86
1939 27.74 31.14 34.84 41.50 52.71 63.83 64.52 66.61 58.57 46.77 33.13 30.45 45.99
1940 13.68 26.48 29.87 38.40 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 27.11
1941 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 51.58 34.77 31.71 39.35
1942 23.81 23.89 35.34 b 43.93 55.39 62.87 67.26 64.48 58.40 48.27 a 38.17 25.35 45.60
1943 27.81 27.68 33.00 38.73 54.81 67.40 65.61 63.87 54.03 43.39 33.13 24.45 44.49
1944 26.90 27.83 31.19 41.07 56.84 61.37 65.42 62.04 g 59.28 a 45.24 b 36.31 a 25.35 43.35
1945 23.87 28.57 40.77 a 45.73 49.74 61.80 65.53 a 61.58 62.86 b 42.70 a 38.67 23.81 45.47
1946 26.16 28.43 38.71 39.79 a 53.13 58.67 62.45 60.17 a 55.83 45.42 38.30 26.94 44.50
1947 31.71 19.57 28.00 42.73 52.42 59.37 63.36 c 67.23 58.33 51.45 35.97 23.52 b 44.47
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 55.93 44.68 41.53 29.81 42.99
1949 33.71 34.18 35.97 42.97 53.32 63.37 71.10 66.03 55.83 51.29 34.41 a 29.10 47.61
1950 38.43 a 29.15 b 29.97 39.80 53.19 60.40 63.97 62.19 57.57 48.45 34.97 23.61 45.14
1951 28.97 28.32 33.71 41.67 50.19 61.57 65.77 63.87 57.13 50.52 33.13 30.19 45.42
1952 31.26 29.69 32.03 44.97 52.00 63.17 68.00 65.55 56.53 41.00 i ----- z ----- z 49.24
1953 33.00 u 31.96 36.45 44.27 58.39 62.40 65.61 62.48 56.45 a 46.10 35.23 30.77 48.19
1954 26.74 31.96 34.71 47.70 50.35 60.23 63.03 63.60 a 59.27 49.13 32.10 26.52 45.45
1955 23.81 25.57 35.61 45.97 52.10 55.70 68.19 67.63 a 58.60 43.20 a 31.50 21.77 a 44.14
1956 24.61 29.69 30.00 39.78 c 48.48 58.37 64.58 61.55 54.50 47.55 34.67 34.23 44.00
1957 22.13 30.75 34.00 45.34 a 51.65 62.40 61.87 a 58.94 59.00 39.68 35.33 30.55 44.30
1958 24.26 20.89 31.61 43.14 b 51.32 57.63 67.45 62.87 53.13 44.77 36.03 21.00 42.84
1959 22.45 26.46 31.74 44.50 55.81 59.60 66.13 a 66.39 57.13 49.35 33.83 28.39 45.15
1960 28.00 26.62 22.55 44.73 48.97 58.20 61.61 64.55 55.93 44.68 34.53 19.00 42.45
1961 17.29 28.71 35.35 38.07 48.81 58.40 63.94 63.32 60.67 43.58 40.03 25.00 43.60
1962 23.77 26.18 30.45 41.20 52.97 59.63 61.03 61.16 54.53 46.16 33.37 22.61 42.76
1963 22.45 19.50 35.55 41.80 49.48 58.70 61.74 60.84 52.73 42.61 38.33 19.59 b 41.94
1964 24.00 24.21 33.61 41.93 a 51.65 60.40 65.94 61.42 55.60 40.65 35.77 30.90 43.84
1965 24.26 25.75 31.26 40.97 a 55.19 58.93 64.16 63.71 58.97 42.94 35.80 28.39 44.19
1966 23.68 25.79 33.20 a 39.33 ----- z 59.63 64.53 a 63.87 54.63 41.71 36.03 26.97 42.67
1967 29.55 22.75 32.42 43.10 45.42 58.47 64.32 65.23 53.37 42.87 31.50 ----- z 44.45
1968 19.81 18.38 33.81 40.34 a 48.03 58.27 63.32 63.84 53.43 47.42 39.13 26.97 42.73
1969 23.71 27.75 29.94 44.40 51.84 62.63 66.90 62.10 55.23 41.84 34.77 26.26 43.95
1970 18.26 25.50 31.03 42.43 53.06 60.47 65.32 62.68 60.48 a 50.23 37.70 29.06 44.69
1971 22.06 28.32 31.71 36.83 49.81 62.30 63.77 a 61.55 60.80 55.32 36.13 35.55 45.35
1972 28.77 25.21 34.32 39.90 51.81 58.97 66.10 62.60 a 58.40 44.06 35.10 34.94 45.01
1973 26.06 25.54 40.13 43.73 51.00 65.00 65.87 66.55 59.87 48.30 a 37.83 30.45 46.69
1974 31.83 a 26.71 36.87 44.70 53.26 58.83 63.55 65.23 56.57 41.61 36.47 31.06 45.56
1975 29.45 29.96 33.94 40.20 54.58 61.63 64.90 65.71 57.07 50.00 39.67 29.39 46.37
1976 23.42 33.31 37.94 41.90 50.84 62.67 63.77 61.32 55.70 44.32 29.50 24.23 44.08
1977 13.81 26.79 39.90 43.77 53.68 59.10 66.77 66.47 a 62.28 a 45.90 42.21 a 27.45 45.68
1978 21.39 18.18 31.03 39.90 a 51.29 60.10 64.84 68.81 59.03 44.58 39.43 29.39 44.00
1979 25.32 17.89 35.32 43.07 54.58 58.27 65.23 65.71 59.89 c 45.48 40.93 30.55 45.19
1980 26.61 22.76 32.50 a 44.77 53.68 58.60 66.90 a 66.90 a 61.27 44.55 35.10 27.35 45.08
1981 19.74 28.25 30.50 a 46.73 50.77 64.73 66.55 62.87 55.73 43.74 37.47 28.35 44.62
1982 19.48 28.93 34.35 39.27 54.65 62.10 67.39 63.81 57.77 48.06 39.57 37.00 46.03
1983 28.19 27.89 38.42 42.17 52.55 62.23 66.13 66.90 57.43 48.97 37.87 25.90 46.22
1984 22.03 34.31 31.42 42.10 52.55 62.80 65.94 ----- z 54.74 c 54.23 35.77 36.13 44.73
1985 22.13 29.11 37.13 45.93 55.81 61.20 66.58 65.90 58.03 51.84 47.43 26.58 47.31
1986 25.94 29.68 34.77 43.83 55.10 63.60 68.71 64.94 60.57 49.94 37.70 30.10 47.07
1987 25.65 25.75 33.94 43.53 54.06 63.66 a 68.90 66.19 60.80 41.00 37.90 31.77 46.10
1988 21.65 28.41 34.81 42.40 53.10 59.27 67.03 68.32 56.20 41.42 37.70 28.29 44.88
1989 30.10 29.43 36.13 41.40 52.32 65.53 66.58 66.00 58.90 46.68 37.93 18.13 45.76
1990 33.42 34.32 38.81 43.90 52.06 61.90 67.42 65.26 56.53 50.77 38.93 33.84 48.10
1991 28.87 31.68 37.77 45.57 59.35 62.17 68.94 66.10 58.43 46.87 38.87 32.10 48.06
1992 28.90 31.00 34.23 43.77 49.39 59.03 68.00 62.61 59.10 44.42 40.73 32.35 46.13
1993 31.61 25.61 32.90 43.23 54.94 60.80 68.58 66.55 61.40 46.55 37.30 27.94 46.45
1994 20.32 26.21 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 23.27
1995 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 50.74 34.93 27.29 37.66
1996 29.40 p 29.48 31.52 46.23 54.16 64.70 66.97 65.39 61.10 49.10 34.67 33.87 48.83
1997 28.42 34.93 38.65 42.60 50.87 60.40 67.87 65.23 59.90 48.61 38.53 32.32 47.36
1998 35.42 34.68 38.74 47.55 a 58.13 64.20 ----- z 67.03 ----- z ----- z ----- z ----- z 49.39
Period of Record Statistics
MEAN 25.98 27.38 34.10 42.61 52.24 61.14 65.67 64.31 58.10 46.16 36.71 28.46 45.25
S.D. 4.75 4.37 3.60 2.52 2.61 2.23 2.05 2.24 2.61 3.37 3.05 3.90 1.34
SKEW 0.07 -0.77 -0.12 0.09 0.11 0.23 -0.12 -0.17 -0.10 0.31 0.47 -0.30 -0.12
MAX 38.43 34.93 43.35 47.93 59.35 67.40 71.10 68.81 63.23 55.32 47.43 37.00 48.10
MIN 13.68 13.14 22.55 36.83 45.42 55.70 61.03 58.94 52.73 39.10 29.50 18.13 41.94
NO YRS 76 78 77 77 76 75 74 72 76 77 76 76 64