LOUISA, VIRGINIA

Monthly Total Precipitation (inches)

(445050)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 201205
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
1916 0.00 z 0.00 z 0.00 z 0.00 z 4.11 7.44 7.85 1.99 2.39 1.60 1.09 3.82 30.29
1917 2.22 b 1.34 6.38 3.57 3.11 3.80 5.11 5.67 3.01 4.57 0.50 1.47 40.75
1918 4.86 0.42 3.11 5.66 1.98 3.96 2.69 c 7.66 3.23 0.69 1.11 3.35 38.72
1919 3.38 2.59 5.13 2.82 8.44 4.66 6.78 0.67 0.55 2.16 2.80 2.07 42.05
1920 2.38 4.54 3.81 w 4.63 r 1.02 5.02 0.00 z 5.79 3.57 0.27 3.81 t 2.97 25.56
1921 3.43 2.09 1.73 2.34 3.39 s 1.10 5.14 3.17 1.13 z 0.47 z 3.65 3.06 25.71
1922 0.00 z 3.45 5.76 1.98 3.69 4.84 4.49 u 5.40 0.35 2.76 0.32 x 3.95 32.18
1923 4.18 2.34 5.94 4.65 1.40 1.76 4.30 4.59 4.44 1.10 3.19 2.23 40.12
1924 3.60 2.34 3.18 4.63 7.42 5.53 2.62 4.31 6.32 a 1.92 a 2.02 2.54 46.43
1925 3.96 1.57 1.94 1.72 1.48 2.47 3.70 2.75 1.35 3.52 q 2.46 2.28 25.68
1926 3.19 3.19 1.86 1.65 3.10 1.79 4.42 8.22 2.45 2.95 5.91 3.03 41.76
1927 0.77 1.84 1.36 4.62 2.66 2.12 3.50 3.16 1.62 5.19 3.56 3.44 33.84
1928 2.00 2.77 1.92 4.10 1.70 5.85 3.91 11.74 n 7.71 0.47 a 1.09 0.38 z 31.52
1929 2.12 3.64 3.95 3.26 4.38 3.03 1.94 1.32 0.94 10.50 1.74 2.51 39.33
1930 3.71 a 1.59 0.68 2.97 1.71 3.88 1.00 0.60 x 1.68 0.92 0.70 2.17 21.01
1931 1.75 1.61 3.17 2.50 6.57 2.80 5.20 5.63 2.76 1.04 0.36 2.38 35.77
1932 5.08 2.12 5.60 u 1.66 6.74 0.96 2.23 0.21 3.25 7.04 5.17 3.35 37.81
1933 3.44 2.59 2.55 5.21 4.74 1.97 6.21 6.31 1.85 1.29 0.17 2.90 v 36.33
1934 1.84 3.11 4.09 3.20 3.51 3.62 s 5.56 4.93 9.33 1.02 3.47 2.30 42.36
1935 5.44 2.29 3.20 4.12 3.78 p 3.02 t 1.53 3.55 1.64 w 3.13 3.10 t 1.62 24.88
1936 7.56 3.46 3.17 2.55 0.79 3.78 2.97 2.17 2.34 1.77 0.80 3.52 34.88
1937 9.07 2.62 1.02 10.68 3.72 5.03 3.33 w 5.10 4.82 6.08 3.06 0.96 52.16
1938 3.16 2.90 2.83 1.21 2.94 2.91 5.59 1.77 3.11 1.27 2.66 3.43 33.78
1939 2.49 5.60 2.60 2.32 1.37 4.48 3.62 3.38 0.58 2.21 1.84 1.18 31.67
1940 3.36 2.35 2.31 4.94 2.19 5.44 6.51 4.60 1.76 0.00 z 0.00 z 0.00 z 33.46
1941 0.00 z 0.70 y 1.72 4.16 1.03 5.15 q 7.61 2.23 0.27 1.23 0.97 4.13 23.35
1942 3.63 1.42 5.81 0.81 2.73 4.36 8.32 8.18 n 3.27 7.35 1.62 3.62 p 39.32
1943 3.26 1.39 s 3.60 2.52 2.76 q 1.84 6.10 1.15 1.88 1.99 2.50 2.69 27.53
1944 2.41 4.00 6.25 3.82 1.60 1.93 4.25 4.95 6.13 3.22 3.14 2.94 44.64
1945 3.49 2.57 1.12 3.86 4.13 2.63 11.10 2.85 7.06 0.90 3.92 5.75 49.38
1946 2.23 o 2.94 5.28 2.46 7.16 3.10 7.32 u 4.27 2.67 2.38 1.88 2.66 34.80
1947 5.38 2.36 2.16 1.95 3.09 4.16 3.17 3.02 3.90 1.66 5.96 0.96 37.77
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 12.01 2.23 3.79 6.55 7.66 32.24
1949 5.32 2.34 3.42 3.16 3.21 a 2.64 7.98 6.81 2.27 2.91 1.78 2.11 43.95
1950 2.20 2.83 3.91 1.53 4.78 1.41 4.47 3.30 6.94 3.46 1.50 3.27 39.60
1951 1.49 2.74 3.56 4.15 1.47 8.10 1.34 2.47 2.71 1.16 5.69 4.78 39.66
1952 5.31 1.98 5.36 5.35 5.84 3.27 1.53 5.18 3.85 1.37 6.91 1.65 a 47.60
1953 2.34 2.21 5.41 3.49 3.23 3.08 1.29 0.57 1.75 3.43 1.14 4.19 32.13
1954 3.42 1.69 3.85 2.99 4.58 2.63 3.12 3.30 0.47 4.70 2.24 3.73 36.72
1955 0.82 3.50 3.84 3.48 2.90 2.79 4.88 13.12 0.96 2.11 1.53 0.57 40.50
1956 1.28 3.93 2.32 2.54 0.79 2.61 9.22 1.59 6.36 4.65 4.02 3.08 42.39
1957 3.05 4.44 2.03 4.86 2.26 4.76 1.33 3.34 a 4.64 4.43 4.51 5.13 44.78
1958 3.77 3.88 5.93 3.28 2.19 4.39 4.83 6.52 2.46 2.98 1.75 3.67 45.65
1959 2.30 1.30 2.90 4.01 2.53 4.16 8.12 3.87 1.32 3.56 3.13 2.81 40.01
1960 2.64 5.44 3.43 2.97 4.21 2.60 4.16 3.91 5.19 2.23 1.29 2.20 40.27
1961 2.67 5.78 5.12 3.27 5.40 2.52 3.90 4.69 2.45 8.08 1.78 4.58 50.24
1962 2.59 3.72 5.32 3.27 3.98 4.53 4.07 3.69 3.59 1.01 5.37 3.50 44.64
1963 2.01 2.13 6.40 a 0.96 1.30 3.40 2.09 3.29 2.53 0.11 6.80 2.17 33.19
1964 4.60 5.70 2.09 3.99 0.56 1.59 3.05 1.86 2.01 3.55 2.23 3.62 34.85
1965 3.47 3.47 4.28 2.58 2.12 3.34 3.36 5.34 2.10 1.79 0.65 0.24 32.74
1966 4.72 4.78 0.92 3.02 3.20 2.49 3.72 1.16 8.61 3.78 1.33 3.61 41.34
1967 1.32 2.47 4.09 1.05 3.90 0.87 3.27 6.98 0.91 3.83 1.94 6.99 37.62
1968 2.99 0.79 3.80 1.81 4.40 6.24 2.87 5.13 1.26 0.00 z 3.70 1.97 34.96
1969 2.68 2.60 4.16 1.38 1.82 5.54 5.90 16.33 2.57 1.07 1.60 7.20 52.85
1970 1.53 2.81 3.41 4.45 1.80 0.35 4.10 2.49 1.03 2.83 5.53 2.84 33.17
1971 2.23 5.84 3.27 2.31 10.40 4.63 4.42 4.15 2.82 8.89 3.98 1.27 54.21
1972 2.46 5.38 2.04 3.22 7.49 10.82 5.77 1.81 2.22 10.82 6.88 3.56 62.47
1973 2.67 3.05 3.77 6.10 2.67 2.06 1.94 3.35 3.85 4.70 1.49 6.78 42.43
1974 2.49 1.56 3.30 2.38 3.46 4.37 5.41 2.74 5.49 0.23 1.81 5.16 38.40
1975 3.32 2.34 6.45 1.82 3.36 10.51 7.95 3.07 9.44 1.90 2.02 3.88 56.06
1976 3.65 1.54 2.84 1.61 3.22 4.57 2.68 4.30 4.20 8.78 1.44 1.89 40.72
1977 1.71 0.38 2.45 1.83 1.43 1.52 2.05 2.10 2.04 4.52 5.79 4.96 30.78
1978 8.53 0.29 4.06 3.67 4.77 5.75 5.38 8.26 2.36 1.15 2.58 3.63 50.43
1979 5.55 5.13 3.76 3.34 3.43 3.92 a 0.90 5.01 7.74 5.49 3.23 0.83 48.33
1980 4.58 1.08 3.83 2.08 3.11 0.56 3.28 4.31 0.91 3.16 2.51 0.40 29.81
1981 0.10 3.08 1.35 2.14 4.05 2.11 6.46 3.59 2.74 3.80 0.70 3.54 33.66
1982 2.77 5.01 3.98 2.91 1.99 5.02 2.97 4.34 3.99 2.35 3.27 1.81 40.41
1983 0.93 2.21 4.07 7.17 3.80 3.62 1.52 2.29 2.25 5.25 6.33 5.47 44.91
1984 1.87 6.86 6.64 5.46 4.08 1.17 4.70 4.20 1.86 2.43 3.48 1.66 44.41
1985 2.57 3.25 1.12 0.49 4.79 1.63 6.37 9.33 1.30 5.87 10.88 0.42 48.02
1986 2.13 2.61 1.12 3.18 1.10 0.80 6.17 3.98 1.02 2.62 3.29 5.14 33.16
1987 5.60 1.72 3.62 7.07 4.30 5.35 2.69 1.27 11.14 2.11 6.07 2.99 53.93
1988 3.25 1.96 1.82 1.31 5.32 1.99 4.40 2.96 1.48 1.07 6.90 1.09 33.55
1989 1.49 3.31 5.54 2.41 6.44 8.74 7.77 3.35 4.34 4.21 4.80 2.90 55.30
1990 3.74 2.47 3.57 3.15 9.03 2.89 3.49 3.80 1.19 4.73 1.90 4.35 44.31
1991 4.67 0.98 3.08 2.03 0.92 4.20 11.71 0.48 1.59 1.34 1.63 5.03 37.66
1992 1.75 2.35 2.99 2.68 3.59 2.76 1.42 1.92 5.44 2.58 4.96 5.73 38.17
1993 4.52 2.61 8.78 3.70 4.36 1.77 2.65 2.15 4.43 2.01 9.32 3.15 49.45
1994 3.63 4.53 a 8.94 1.79 2.11 1.46 6.53 8.13 5.77 1.64 1.69 1.55 47.77
1995 5.35 1.50 2.59 1.79 4.87 5.26 4.98 1.18 2.67 10.31 4.19 2.74 47.43
1996 6.80 3.41 2.73 2.78 3.96 3.02 7.01 2.99 9.45 7.51 3.40 5.56 58.62
1997 2.70 2.60 4.88 2.85 0.70 1.69 5.17 3.63 3.92 3.78 4.93 1.73 a 38.58
1998 6.21 8.22 6.05 4.35 4.83 3.24 0.52 1.04 1.02 1.43 1.17 2.04 40.12
1999 4.45 2.49 3.68 1.68 1.06 0.76 4.99 4.95 8.96 1.73 2.37 2.16 39.28
2000 2.75 2.11 3.26 4.78 3.02 6.14 2.25 4.07 5.86 0.00 1.48 0.65 a 36.37
2001 2.26 1.21 5.16 u 1.20 4.11 4.91 4.06 2.31 1.47 0.94 0.32 2.14 24.93
2002 1.80 0.82 3.72 3.56 2.27 4.28 6.18 3.92 2.05 5.92 4.68 4.46 43.66
2003 2.64 a 7.38 5.27 3.83 8.92 8.29 4.55 3.88 10.26 3.69 6.89 5.97 71.57
2004 1.86 2.12 1.99 3.33 7.10 3.30 7.95 6.14 6.95 1.17 5.19 2.54 49.64
2005 3.46 2.19 4.32 3.38 3.94 2.91 3.44 4.89 1.50 8.56 3.13 3.83 45.55
2006 3.31 2.11 0.00 2.62 3.09 4.64 4.22 2.30 9.49 8.24 6.70 1.54 48.26
2007 2.89 1.94 3.84 3.20 3.24 3.72 3.55 6.66 0.51 5.66 1.18 2.66 39.05
2008 1.12 2.88 2.73 6.69 5.49 2.82 5.75 2.17 5.48 1.05 3.32 2.46 41.96
2009 1.80 0.54 2.81 3.03 6.48 6.96 2.60 2.59 2.50 3.06 7.10 7.18 46.65
2010 2.81 3.03 4.54 2.58 4.66 3.38 2.00 2.79 4.77 3.36 2.53 1.55 38.00
2011 1.60 1.59 5.21 3.72 5.10 4.10 2.85 5.43 7.95 4.13 3.11 4.81 49.60
2012 1.89 3.21 2.55 2.08 0.55 y 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 9.73
Period of Record Statistics
MEAN 3.21 2.85 3.61 3.20 3.66 3.67 4.42 4.08 3.59 3.34 3.25 3.15 42.60
S.D. 1.63 1.53 1.70 1.57 2.06 2.05 2.26 2.62 2.62 2.51 2.17 1.66 7.72
SKEW 1.16 1.11 0.60 1.52 0.90 1.11 0.74 1.89 1.06 1.17 0.97 0.65 0.97
MAX 9.07 8.22 8.94 10.68 10.40 10.82 11.71 16.33 11.14 10.82 10.88 7.66 71.57
MIN 0.10 0.29 0.00 0.49 0.56 0.35 0.52 0.21 0.27 0.00 0.17 0.24 29.81
NO YRS 92 93 92 94 92 92 91 93 94 92 92 92 76