WILLIAMSON, WEST VIRGINIA

Monthly Total Precipitation (inches)

(469605)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 199307
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
1900 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.80 1.80 7.40 2.03 14.03
1901 2.31 1.30 3.97 5.30 8.65 7.72 4.15 5.33 7.64 0.55 1.24 8.22 56.38
1902 5.84 3.99 6.29 2.71 2.85 6.72 r 1.57 1.84 2.95 2.53 3.92 4.28 38.77
1903 2.74 8.28 5.11 7.13 0.90 3.54 4.33 2.03 0.67 2.09 2.40 1.38 40.60
1904 2.36 1.44 4.00 2.98 5.31 t 7.00 2.07 4.93 4.55 2.22 2.06 3.30 36.91
1905 2.00 3.73 3.47 2.53 3.59 3.95 3.18 z 3.18 3.22 4.00 0.76 0.00 z 30.43
1906 3.71 0.97 4.86 0.95 4.32 3.13 4.43 6.48 2.83 2.18 4.08 6.28 44.22
1907 6.69 3.37 4.16 4.04 4.07 10.41 4.97 4.60 3.60 1.54 z 3.11 s 2.36 48.27
1908 3.06 3.48 7.70 7.74 3.94 m 4.25 3.50 3.58 0.76 1.50 1.54 4.78 41.89
1909 3.96 3.82 5.12 o 4.86 p 3.72 5.78 7.31 1.44 2.36 1.68 1.24 1.88 33.19
1910 4.42 2.98 1.52 2.52 5.12 5.56 6.58 1.78 1.84 1.60 2.40 3.26 39.58
1911 4.03 2.97 3.70 5.46 2.08 3.34 1.24 2.38 2.48 7.14 3.58 3.20 41.60
1912 3.60 2.44 4.56 6.84 5.46 4.00 9.80 3.84 2.52 0.80 1.36 3.03 48.25
1913 7.40 3.16 4.78 2.62 2.96 2.26 5.88 2.52 2.38 3.82 2.60 3.66 44.04
1914 2.70 2.98 4.66 4.06 1.54 0.80 5.76 4.52 2.18 2.04 0.94 5.64 37.82
1915 5.38 2.18 2.20 0.92 4.12 5.34 4.79 3.66 3.28 3.82 2.98 5.53 44.20
1916 3.80 4.50 3.28 2.91 2.32 4.73 4.11 4.64 4.10 2.63 1.67 3.92 42.61
1917 5.38 4.75 9.26 3.04 3.82 3.78 2.94 3.90 4.93 3.80 1.00 2.52 49.12
1918 5.75 2.38 4.93 4.16 3.49 3.20 2.50 1.61 2.65 3.69 1.24 3.41 39.01
1919 5.01 1.59 4.29 2.64 5.51 2.85 3.28 5.17 2.81 5.82 4.98 5.46 49.41
1920 6.33 2.69 4.30 4.32 2.35 5.17 2.71 3.34 2.79 1.60 2.80 2.52 40.92
1921 2.24 3.43 1.94 3.41 3.60 2.83 5.85 5.26 4.22 2.36 5.04 3.97 44.15
1922 2.81 4.85 5.66 2.85 5.54 3.11 p 6.82 4.62 2.02 2.41 1.20 7.05 45.83
1923 4.56 4.63 l 5.33 3.27 2.20 r 2.42 4.66 2.57 1.59 1.91 2.33 6.07 34.71
1924 4.56 3.24 m 3.40 2.09 5.76 5.11 3.87 3.95 8.97 0.61 2.56 p 3.74 42.06
1925 3.75 q 3.55 2.93 3.90 3.50 3.13 2.25 2.55 3.28 7.41 4.62 0.98 38.10
1926 0.00 z 1.37 u 2.46 2.31 4.36 4.19 4.72 0.00 z 0.00 z 0.00 z 2.73 5.51 a 26.28
1927 3.32 4.26 2.98 6.28 5.40 3.93 2.71 4.48 1.04 2.64 3.71 3.33 44.08
1928 2.34 1.89 3.97 6.88 4.39 7.70 3.26 6.61 3.04 1.57 4.51 1.75 47.91
1929 4.16 3.08 6.34 6.13 9.45 7.89 9.46 5.44 2.31 5.12 5.91 2.83 68.12
1930 1.80 4.06 4.06 1.29 4.13 2.64 2.17 4.24 1.90 0.93 2.40 2.05 31.67
1931 1.56 2.34 4.65 5.42 3.49 1.26 6.47 6.44 2.49 1.72 1.57 5.08 42.49
1932 4.42 4.97 5.05 2.25 2.50 8.17 5.41 3.35 0.76 4.18 2.50 3.17 46.73
1933 5.05 4.66 5.22 4.04 7.61 2.25 3.89 1.46 2.49 1.73 1.45 5.03 44.88
1934 2.21 3.36 6.18 2.92 1.48 4.66 3.77 9.28 2.59 1.10 4.05 1.53 43.13
1935 4.14 2.80 11.87 4.12 6.98 5.47 5.15 2.93 1.33 2.17 4.23 2.21 53.40
1936 4.68 2.38 4.96 3.81 1.55 1.90 7.11 5.42 2.71 2.72 2.19 4.43 43.86
1937 7.98 3.67 1.92 4.15 3.06 4.99 2.09 5.53 1.29 5.85 1.34 2.99 44.86
1938 2.82 2.65 4.69 4.77 5.33 6.06 8.01 6.63 2.43 0.50 4.60 a 2.72 51.21
1939 3.39 7.31 4.19 3.05 1.62 6.63 11.09 2.01 1.32 1.22 0.62 2.06 44.51
1940 1.08 3.88 2.95 3.92 1.42 5.01 3.45 4.00 2.97 0.48 2.44 1.75 33.35
1941 2.12 0.93 3.12 2.68 1.13 2.84 7.18 4.37 3.06 2.78 2.47 2.74 35.42
1942 1.90 1.81 4.92 0.23 a 2.88 4.73 8.35 10.34 2.77 2.90 3.81 6.59 51.23
1943 1.94 1.89 6.34 4.23 2.39 3.63 1.97 1.13 1.49 2.84 1.63 2.39 31.87
1944 2.89 5.00 5.09 4.26 6.36 2.76 2.63 3.43 3.27 3.08 2.33 4.92 46.02
1945 3.32 3.41 4.45 3.14 5.81 4.95 5.65 5.79 4.30 1.94 4.71 2.41 49.88
1946 4.34 3.39 2.83 2.23 4.59 4.27 5.07 2.46 1.91 2.28 2.09 2.58 38.04
1947 5.26 1.29 2.58 1.64 3.04 3.53 3.41 8.83 3.85 1.51 2.35 1.25 38.54
1948 2.36 4.44 3.85 9.12 3.73 5.52 8.23 2.89 1.96 1.98 4.15 4.12 52.35
1949 4.31 3.55 3.19 3.35 3.18 4.13 7.06 4.18 2.79 3.27 2.20 4.07 a 45.28
1950 5.79 3.09 3.77 1.26 c 3.86 6.59 4.90 3.75 5.16 2.50 3.66 2.66 46.99
1951 2.77 2.39 4.33 2.25 5.19 5.21 2.42 3.74 c 3.06 a 1.10 5.18 4.98 42.62
1952 5.74 1.78 5.44 3.66 7.96 4.22 4.23 4.06 2.49 0.52 2.46 b 2.40 44.96
1953 4.39 2.75 4.39 2.24 5.27 3.96 3.92 3.93 1.87 0.25 1.05 2.51 36.53
1954 4.76 1.49 3.52 2.67 3.93 3.63 5.74 5.36 2.88 1.88 2.28 3.70 41.84
1955 2.45 7.06 7.05 3.31 3.74 3.97 2.60 2.25 1.93 2.57 2.50 2.02 41.45
1956 2.09 8.13 7.49 5.27 2.64 5.77 6.38 2.38 4.02 1.91 1.37 a 4.94 52.39
1957 6.29 e 0.78 m 3.73 4.17 1.55 3.78 4.79 1.99 5.57 1.62 2.84 4.39 a 40.72
1958 2.79 3.71 3.65 5.67 7.38 4.16 5.44 3.09 2.01 1.91 2.89 1.94 44.64
1959 2.96 2.09 2.68 4.48 3.78 2.63 2.63 4.34 1.12 4.34 4.43 2.36 37.84
1960 2.90 2.98 2.75 1.78 2.72 5.06 3.38 4.06 2.30 0.00 z 1.95 2.30 32.18
1961 3.14 4.16 3.74 4.99 4.40 5.40 8.04 1.91 0.53 3.40 2.46 5.13 47.30
1962 3.77 5.63 b 3.07 3.47 4.92 2.91 6.23 1.45 2.44 2.10 5.81 3.25 45.05
1963 2.45 4.21 8.61 1.10 4.21 3.35 2.39 1.90 3.23 0.10 4.48 2.34 38.37
1964 2.96 4.92 4.68 4.66 1.77 2.98 4.09 2.97 6.81 3.31 2.76 4.65 46.56
1965 4.40 2.70 5.41 3.99 3.33 3.22 4.36 2.31 3.45 2.39 1.09 0.40 37.05
1966 4.94 3.10 2.65 4.93 1.57 1.13 8.36 4.00 8.86 3.14 3.60 3.42 49.70
1967 1.14 3.13 5.93 2.95 4.81 4.47 6.72 2.59 1.36 1.32 5.66 5.33 45.41
1968 0.62 p 0.31 4.71 2.80 5.32 5.33 4.48 3.68 2.10 2.62 1.93 1.12 j 33.28
1969 1.40 1.54 1.76 2.12 2.45 3.17 6.18 3.21 1.80 1.53 2.63 6.77 34.56
1970 1.90 4.67 3.85 4.54 2.78 1.48 3.64 5.08 4.28 4.29 3.53 2.83 42.87
1971 3.45 2.92 c 2.45 3.26 5.95 7.44 2.87 2.40 5.85 3.28 1.66 g 1.97 41.84
1972 6.19 7.53 1.57 b 6.60 2.97 6.33 4.15 4.26 2.86 3.36 4.14 6.84 56.80
1973 1.51 3.12 6.95 3.80 5.97 3.92 4.41 0.80 2.43 3.65 6.19 3.59 46.34
1974 7.65 2.72 5.68 3.98 4.94 6.33 4.03 6.79 4.23 1.78 2.57 4.40 55.10
1975 4.33 3.88 9.41 4.42 6.44 2.69 2.77 2.16 6.01 4.59 3.27 4.05 54.02
1976 3.73 3.09 3.22 1.00 2.14 3.68 4.15 3.11 4.08 5.30 0.74 2.43 36.67
1977 1.86 1.31 2.63 0.00 z 0.00 z 4.54 5.54 7.26 3.70 4.50 4.64 2.62 38.60
1978 4.48 1.67 3.07 5.11 3.48 1.86 0.00 z 0.00 z 0.00 z 1.41 1.99 8.62 31.69
1979 6.27 a 3.76 g 2.46 3.87 4.40 8.55 4.66 6.64 4.03 0.00 z 4.46 2.19 47.53
1980 3.60 2.47 4.70 2.76 1.87 0.76 6.79 4.96 4.32 1.55 3.03 1.23 a 38.04
1981 0.35 3.40 2.45 3.02 3.61 5.15 4.64 1.68 2.24 2.37 1.15 2.66 a 32.72
1982 0.00 z 3.43 3.60 0.94 2.97 a 2.35 6.57 a 6.41 3.48 3.25 3.52 2.36 c 38.88
1983 1.66 2.47 1.89 3.11 5.48 2.85 2.56 2.33 1.14 5.52 3.23 3.32 35.56
1984 1.84 3.23 3.89 6.06 5.18 e 1.93 6.24 a 3.43 2.04 3.95 5.14 2.78 c 45.71
1985 3.12 2.69 3.21 1.44 4.75 a 3.83 4.18 a 5.70 1.43 3.86 5.36 1.79 b 41.36
1986 1.80 4.15 d 1.84 1.18 5.17 1.11 3.24 3.73 4.66 2.65 0.00 z 0.00 z 29.53
1987 0.00 z 0.00 z 1.95 a 6.37 5.16 a 4.53 3.82 a 2.08 2.89 a 1.06 1.51 a 3.71 i 29.37
1988 2.02 b 1.54 1.59 a 0.00 z 1.20 0.71 4.27 2.49 a 5.30 d 2.52 d 3.43 i 2.86 c 24.50
1989 4.39 d 3.66 e 4.09 b 3.35 a 5.60 b 7.95 5.17 c 7.05 0.00 z 5.38 3.77 b 1.40 51.81
1990 3.76 d 4.62 b 2.61 4.08 4.77 3.63 b 2.81 b 6.35 a 3.19 3.35 1.96 6.06 i 41.13
1991 0.00 z 3.42 0.00 z 2.55 c 1.41 f 2.62 e 2.47 g 2.71 p 2.41 d 1.00 2.70 k 8.13 e 20.13
1992 2.91 2.09 a 4.50 2.66 b 2.96 g 2.33 n 4.06 d 5.39 b 2.98 a 0.81 a 1.82 a 5.82 d 33.04
1993 1.94 d 3.26 a 5.67 c 3.03 a 2.83 c 4.45 b 4.23 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 25.41
Period of Record Statistics
MEAN 3.61 3.31 4.25 3.62 4.02 4.21 4.73 3.98 3.04 2.61 2.95 3.56 44.08
S.D. 1.62 1.53 1.86 1.68 1.77 1.90 1.98 1.89 1.62 1.51 1.48 1.74 6.68
SKEW 0.55 1.10 1.30 0.62 0.55 0.60 0.76 0.86 1.45 0.90 0.59 0.87 0.64
MAX 7.98 8.28 11.87 9.12 9.45 10.41 11.09 10.34 8.97 7.41 7.40 8.62 68.12
MIN 0.35 0.31 1.52 0.23 0.90 0.71 1.24 0.80 0.53 0.10 0.62 0.40 31.67
NO YRS 87 87 91 90 87 90 90 89 90 89 87 88 66