RIVERTON, VIRGINIA

Monthly Total Precipitation (inches)

(447254)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 197808
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
1892 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3.72 2.86 6.58
1893 0.62 2.74 1.49 2.45 5.04 4.15 1.13 4.45 7.25 6.15 2.91 0.70 39.08
1894 1.16 4.15 1.24 2.70 7.14 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 16.39
1895 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1896 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1897 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1898 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1899 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1901 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3.16 0.28 3.16 6.66 13.26
1902 2.40 5.42 2.76 3.34 0.65 2.70 2.49 1.90 2.39 4.83 1.95 4.39 35.22
1903 4.00 1.98 3.29 3.63 2.67 8.54 2.34 0.51 1.14 2.00 0.14 0.15 30.39
1904 1.29 0.81 1.22 2.82 3.25 7.57 3.41 1.80 1.91 1.58 0.75 2.03 28.44
1905 2.73 1.90 2.00 2.19 2.36 7.05 4.21 2.05 1.46 2.73 0.77 3.77 33.22
1906 2.08 1.00 2.49 1.65 3.15 8.80 2.65 8.78 3.24 9.40 1.30 3.74 48.28
1907 2.65 1.38 2.26 3.21 1.42 4.85 2.41 3.54 5.26 0.88 1.69 2.41 31.96
1908 3.02 1.54 x 1.52 0.40 4.18 2.58 0.18 z 5.19 1.87 2.52 0.18 0.51 21.97
1909 0.40 1.14 1.57 2.48 2.80 4.70 0.00 z 1.62 2.73 1.98 0.47 2.27 22.16
1910 3.37 2.02 0.54 3.76 1.82 5.88 1.67 0.67 1.46 2.38 0.47 2.30 26.34
1911 2.40 0.97 1.47 w 2.40 0.31 4.11 0.34 6.35 2.22 2.31 1.28 1.58 24.27
1912 1.50 1.30 3.40 0.78 4.23 0.54 0.70 0.80 6.63 0.54 0.00 z 0.93 21.35
1913 1.08 0.62 2.51 2.30 2.75 2.02 2.23 2.35 1.22 2.39 2.84 1.34 23.65
1914 2.76 2.08 1.34 2.76 0.33 2.71 2.15 1.42 0.78 1.88 1.89 3.31 23.41
1915 3.86 2.46 0.26 0.00 z 1.78 4.30 0.22 5.30 0.42 2.12 1.35 1.64 23.71
1916 0.52 0.76 1.74 1.24 0.88 4.31 1.50 1.34 0.84 0.88 0.20 1.03 15.24
1917 0.86 0.62 3.88 2.22 0.96 0.80 2.30 2.10 0.80 4.42 0.18 0.14 z 19.14
1918 0.00 z 0.80 2.69 7.21 3.13 3.18 4.04 5.94 7.05 1.68 0.91 3.08 39.71
1919 2.41 1.20 3.23 0.65 5.14 4.52 4.98 1.72 1.37 3.09 1.13 1.26 30.70
1920 0.47 0.00 z 2.66 1.49 0.86 3.10 2.25 3.59 3.60 0.28 3.00 0.69 z 21.30
1921 0.50 0.54 1.26 z 2.95 8.44 0.18 0.36 1.38 1.65 0.01 1.59 0.45 18.05
1922 0.33 1.21 0.80 0.20 0.66 2.78 0.99 0.40 0.60 1.73 0.00 z 0.94 10.64
1923 1.17 0.23 0.11 2.96 0.75 1.08 0.84 0.61 1.27 0.84 0.60 2.37 12.83
1924 2.07 0.37 1.58 1.75 9.22 0.75 2.80 1.63 4.37 x 1.12 z 0.16 0.39 20.72
1925 0.00 z 0.56 0.62 2.73 w 1.20 z 2.46 1.23 z 2.67 1.28 1.28 0.10 z 1.32 z 8.87
1926 0.61 1.32 0.67 0.38 0.76 1.23 1.91 6.90 1.89 1.27 4.34 u 1.04 17.98
1927 0.41 0.88 v 1.04 z 3.61 t 0.86 1.61 2.44 1.73 2.63 7.12 y 2.77 y 0.38 10.06
1928 0.15 z 0.15 0.06 2.88 0.17 2.16 0.92 5.33 3.45 0.55 0.04 z 1.03 16.70
1929 0.57 0.99 0.49 5.33 4.09 2.71 2.17 0.47 1.08 6.82 3.38 1.31 29.41
1930 0.10 0.35 x 1.00 z 0.27 0.00 z 1.34 0.00 z 0.09 0.28 0.02 0.05 2.27 4.42
1931 1.05 1.35 2.69 3.12 5.73 2.48 3.40 4.54 1.59 0.56 0.55 0.71 z 27.06
1932 2.97 v 2.47 4.42 u 1.91 5.65 2.49 3.30 0.93 0.78 6.43 4.91 3.23 32.10
1933 4.02 1.26 2.28 4.12 2.54 u 1.07 6.09 y 5.29 4.08 1.94 0.44 1.04 25.54
1934 0.56 0.94 2.49 1.68 w 4.14 t 2.37 1.08 4.13 4.14 0.90 2.54 3.68 22.83
1935 3.69 2.01 2.39 3.49 2.86 1.71 2.98 1.91 6.20 1.94 2.68 2.14 34.00
1936 3.93 2.73 8.17 1.68 1.81 2.26 2.58 2.72 0.56 4.95 0.79 4.38 36.56
1937 4.92 3.99 1.05 7.56 1.65 4.00 2.73 7.36 2.57 7.89 3.18 0.21 47.11
1938 0.87 1.41 2.63 1.83 3.98 2.83 2.46 1.76 3.55 1.97 3.03 4.60 y 26.32
1939 2.77 4.02 2.12 3.52 0.96 3.31 3.99 2.03 1.16 2.91 3.12 1.97 31.88
1940 1.85 2.29 2.07 4.45 r 4.80 4.29 q 3.03 x 2.10 x 3.05 2.37 4.39 2.58 23.40
1941 2.13 0.37 1.57 2.76 1.64 4.34 5.26 u 5.42 0.53 0.80 2.14 2.73 x 21.70
1942 1.74 v 1.04 3.62 1.12 4.75 2.93 r 2.33 6.38 3.11 x 17.82 1.38 2.96 t 38.44
1943 2.37 0.70 3.40 2.69 3.59 t 2.25 1.08 a 1.47 0.90 2.54 1.50 1.14 z 18.90
1944 0.00 z 1.97 4.13 2.02 2.82 x 2.12 2.06 1.05 5.96 4.36 1.32 2.89 27.88
1945 1.59 1.79 1.06 2.76 3.29 2.58 7.18 p 6.15 10.03 0.58 0.00 z 2.00 31.83
1946 1.59 1.75 2.31 0.66 6.59 3.07 1.62 2.36 2.52 3.26 0.46 1.27 z 26.19
1947 2.22 1.77 1.07 1.12 v 5.84 2.18 w 4.21 w 3.46 1.98 w 1.26 3.07 0.57 19.26
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 8.75 2.41 5.20 4.27 3.47 24.10
1949 3.22 1.68 0.99 a 3.06 5.14 4.32 3.30 4.48 3.71 3.41 1.33 2.13 36.77
1950 1.58 2.26 3.09 0.64 5.60 3.91 4.19 1.57 4.85 2.58 3.87 4.23 38.37
1951 1.23 c 2.75 3.14 2.75 2.11 5.49 2.47 1.13 1.07 1.01 3.50 3.22 29.87
1952 3.47 2.41 2.49 7.59 2.40 2.97 2.45 2.87 a 3.14 1.22 6.07 2.40 39.48
1953 3.60 1.22 3.72 2.43 5.73 4.22 0.53 2.35 b 2.11 1.74 a 1.80 2.95 32.40
1954 2.52 1.30 b 5.00 2.30 4.16 1.44 2.66 4.77 0.85 6.21 1.91 3.82 36.94
1955 0.26 1.73 3.73 2.87 2.08 4.71 0.50 11.78 1.87 2.29 1.68 0.17 33.67
1956 2.29 2.82 3.30 2.09 2.27 2.43 9.13 2.63 4.13 3.95 1.70 1.96 38.70
1957 1.64 2.49 1.83 2.41 1.57 5.41 1.21 0.71 3.69 3.73 1.77 3.65 30.11
1958 3.93 3.18 4.59 3.75 4.90 3.74 7.68 4.21 1.12 1.85 2.04 1.00 41.99
1959 1.58 0.84 2.38 4.61 3.46 3.24 5.53 3.13 1.12 5.45 1.27 2.50 35.11
1960 1.83 4.37 2.06 2.18 7.39 6.00 2.55 3.56 2.35 0.93 1.26 0.35 a 34.83
1961 1.83 6.80 2.65 5.98 3.35 3.29 1.94 3.28 2.30 2.27 1.81 5.28 40.78
1962 2.29 2.72 4.02 3.08 3.16 3.26 2.36 0.14 2.09 2.13 6.02 4.94 36.21
1963 1.34 2.40 3.82 0.87 0.98 5.78 1.33 1.60 2.56 0.00 6.78 2.15 29.61
1964 2.57 0.00 z 0.00 z 4.55 1.91 2.38 3.47 2.03 4.57 3.24 2.31 2.38 29.41
1965 5.79 3.41 4.08 2.75 2.36 1.29 1.27 1.54 2.57 1.86 0.61 0.17 27.70
1966 1.41 q 2.09 1.85 4.18 2.59 1.24 1.71 1.35 9.53 2.18 3.22 3.05 32.99
1967 1.11 1.42 4.39 0.47 4.53 0.93 4.05 6.21 2.95 2.55 0.94 2.93 32.48
1968 0.00 z 0.03 3.06 2.59 5.14 1.87 3.69 4.06 4.43 2.81 2.29 0.81 30.78
1969 2.15 0.55 2.30 1.66 1.08 4.98 6.70 6.04 5.44 1.07 3.27 6.79 42.03
1970 3.71 1.81 2.04 3.13 2.12 4.83 6.38 2.43 0.83 5.85 5.75 0.00 z 38.88
1971 0.00 z 2.79 1.06 1.11 0.00 z 2.88 1.57 3.77 4.93 4.91 2.04 0.45 25.51
1972 1.13 0.00 z 1.64 3.81 4.34 7.28 2.20 0.00 z 1.52 3.78 4.88 6.02 36.60
1973 1.63 2.45 2.31 5.43 3.23 4.61 4.18 5.94 1.67 5.19 1.06 6.05 43.75
1974 2.95 1.05 4.44 1.36 5.41 6.34 0.60 6.51 2.27 0.99 2.30 4.76 38.98
1975 2.43 2.16 5.58 1.89 3.88 2.23 4.56 5.58 8.40 2.34 0.83 1.18 41.06
1976 3.68 a 1.13 2.11 1.45 3.01 2.40 4.10 2.89 4.47 9.39 0.54 1.20 36.37
1977 0.85 0.30 a 2.97 0.00 z 0.78 0.94 1.17 4.92 3.34 5.61 10.37 2.64 33.89
1978 5.39 d 0.00 z 3.56 b 0.00 z 0.00 z 0.00 z 5.20 4.72 0.00 z 0.00 z 0.00 z 0.00 z 18.87
Period of Record Statistics
MEAN 2.10 1.81 2.47 2.67 3.20 3.34 2.67 3.35 2.86 2.96 2.21 2.37 33.87
S.D. 1.30 1.24 1.40 1.61 2.06 1.90 1.76 2.34 2.14 2.73 1.84 1.65 7.36
SKEW 0.63 1.43 0.99 1.09 0.68 0.81 1.30 0.96 1.37 2.59 1.72 0.77 -0.68
MAX 5.79 6.80 8.17 7.59 9.22 8.80 9.13 11.78 10.03 17.82 10.37 6.79 48.28
MIN 0.10 0.03 0.06 0.20 0.17 0.18 0.22 0.09 0.28 0.00 0.05 0.15 12.83
NO YRS 69 71 72 70 70 73 68 76 75 76 72 69 40