ROCKY MOUNT, VIRGINIA

Monthly Total Precipitation (inches)

(447338)

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
1894 0.00 z 0.00 z 0.00 z 0.59 t 2.92 b 1.12 3.44 1.32 2.91 3.04 1.60 3.40 19.75
1895 5.34 b 1.75 t 4.03 5.24 4.87 3.81 4.83 1.75 0.00 2.29 6.45 3.70 42.31
1896 2.93 3.94 6.63 c 2.55 2.85 5.24 9.70 2.61 5.45 0.50 5.60 0.43 48.43
1897 2.21 9.25 3.51 2.34 a 5.03 1.09 1.91 2.65 1.02 0.00 z 2.22 3.80 35.03
1898 2.70 0.60 2.97 a 2.58 4.25 3.34 7.75 7.48 5.77 8.81 2.40 4.13 52.78
1899 3.66 e 5.64 m 9.39 2.10 2.81 5.56 5.00 1.63 4.85 3.77 2.45 1.65 a 42.87
1900 5.08 5.89 4.95 b 4.70 2.65 7.51 0.65 0.70 4.35 3.65 3.14 h 3.10 43.23
1901 3.95 0.45 b 3.80 a 8.18 3.74 h 7.85 g 5.55 n 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 16.38
1902 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5.28 2.04 1.61 3.02 t 7.33 3.17 5.41 24.84
1903 4.96 5.84 7.64 3.53 2.63 7.10 5.26 w 4.12 0.72 x 2.21 1.68 1.98 41.69
1904 1.61 1.86 2.16 x 1.76 4.79 6.83 q 6.18 4.49 s 1.22 0.36 1.72 3.33 q 19.50
1905 3.17 3.36 1.91 2.63 5.47 3.46 9.26 6.22 4.67 3.46 0.56 7.51 51.68
1906 4.23 1.00 4.27 1.56 1.53 4.51 8.61 7.73 3.85 u 9.54 3.19 2.18 48.35
1907 0.86 x 2.11 3.48 4.85 2.11 8.05 3.12 1.90 6.17 0.64 4.91 4.57 41.91
1908 4.41 5.46 2.41 3.41 4.69 6.81 3.93 5.46 2.14 5.90 1.00 0.00 z 45.62
1909 1.68 3.41 2.48 w 3.23 7.45 5.08 3.42 4.68 2.23 2.38 0.30 3.30 37.16
1910 3.76 3.42 1.22 3.47 3.57 6.31 4.85 5.03 4.69 4.40 0.67 2.56 43.95
1911 3.38 1.93 3.31 5.83 0.78 3.42 0.85 7.82 2.38 4.77 2.81 4.84 42.12
1912 2.28 3.44 8.13 2.05 7.59 3.12 3.85 2.80 5.94 1.39 2.80 2.30 45.69
1913 2.83 2.25 5.71 3.44 6.77 2.78 4.48 4.69 4.73 4.24 1.87 3.59 47.38
1914 3.12 4.88 2.65 2.01 2.09 1.79 5.01 3.89 1.65 4.43 3.65 7.88 43.05
1915 5.52 t 3.86 2.65 1.01 2.65 2.61 3.20 s 9.46 4.44 6.38 2.26 4.99 40.31
1916 1.58 4.31 1.69 1.97 4.21 8.30 5.64 7.40 3.25 3.41 1.28 2.19 45.23
1917 3.35 1.95 5.25 q 3.67 2.63 2.81 5.92 o 2.13 1.87 3.73 0.53 1.69 24.36
1918 1.72 0.40 2.68 7.71 3.97 v 4.45 4.95 4.54 3.74 4.36 1.93 4.78 41.26
1919 3.87 2.67 3.80 3.13 3.86 7.26 7.19 2.01 1.46 1.96 v 1.54 2.62 w 36.79
1920 1.91 5.64 4.37 4.16 2.34 6.45 5.05 7.67 2.69 0.12 7.17 5.14 v 47.57
1921 5.33 3.42 t 1.50 3.45 u 5.29 u 4.60 u 6.86 1.10 4.86 2.55 2.87 a 1.42 26.49
1922 3.96 3.52 6.19 1.85 5.89 6.32 6.05 5.81 1.35 4.78 0.42 3.10 49.24
1923 3.48 3.29 7.37 2.85 1.89 3.41 4.01 u 2.11 5.48 1.60 3.09 3.00 37.57
1924 5.17 2.60 3.48 4.66 4.79 6.32 v 4.18 3.77 9.44 r 1.45 2.38 4.79 37.27
1925 5.36 1.69 1.42 3.40 3.75 1.71 2.95 1.70 z 1.36 4.42 3.05 u 2.84 28.90
1926 4.72 4.02 r 2.85 2.01 1.33 x 2.04 6.37 3.45 v 5.24 2.80 4.99 5.30 36.32
1927 1.38 5.45 1.47 4.19 1.40 2.36 10.38 5.61 1.51 6.05 2.47 6.25 v 42.27
1928 2.54 3.10 3.62 y 3.70 1.75 3.36 5.26 15.11 9.48 1.32 0.69 0.78 z 46.31
1929 2.87 4.00 u 3.90 4.03 4.39 8.06 2.89 2.40 2.69 t 9.23 3.85 1.92 43.54
1930 2.52 0.59 4.42 1.55 3.26 4.41 1.19 1.37 1.33 1.20 3.62 3.63 29.09
1931 1.76 0.81 4.90 4.32 3.74 3.83 6.41 8.34 1.86 0.79 0.04 1.65 v 36.80
1932 5.58 u 2.10 7.09 2.29 3.27 3.58 1.32 1.04 2.55 v 10.73 w 5.65 4.85 31.19
1933 2.16 2.25 3.33 4.74 4.31 1.98 4.11 3.95 1.25 0.90 1.73 2.70 33.41
1934 1.46 z 2.44 4.99 p 3.46 3.56 2.86 1.65 1.67 6.38 x 3.43 5.78 w 2.47 21.54
1935 5.02 1.90 7.12 v 3.16 3.86 3.53 6.26 1.76 4.97 2.07 3.02 2.58 38.13
1936 6.69 3.44 5.96 4.68 1.48 2.87 1.10 3.97 3.18 6.34 0.77 5.77 46.25
1937 8.48 2.82 0.25 z 5.04 3.99 3.42 5.18 10.20 2.39 11.25 3.43 1.33 57.53
1938 3.14 1.10 2.42 2.47 4.38 8.61 7.81 r 3.36 1.96 0.82 4.04 2.67 34.97
1939 3.23 6.59 2.63 1.33 1.47 3.09 q 7.82 5.20 0.05 1.39 1.67 2.65 34.03
1940 1.97 3.27 2.07 4.83 7.27 2.94 6.90 10.40 1.14 1.03 5.37 3.79 50.98
1941 1.94 v 0.71 0.65 z 4.03 2.57 5.94 6.07 2.00 3.07 0.84 1.14 3.68 30.05
1942 2.06 1.49 3.04 0.94 7.38 7.54 3.63 7.67 5.03 3.65 1.65 4.52 48.60
1943 2.41 2.69 4.62 3.92 6.07 5.55 4.73 3.04 0.80 1.33 0.99 2.84 38.99
1944 2.58 5.54 6.04 2.20 3.81 3.59 2.44 0.92 z 12.59 5.29 2.81 2.02 48.91
1945 2.60 3.69 0.75 4.17 4.02 2.42 7.28 1.57 12.25 3.00 3.59 4.03 o 45.34
1946 3.79 3.12 2.54 1.85 8.17 1.14 6.77 2.42 3.74 2.94 2.08 1.63 40.19
1947 6.08 9.00 2.86 1.99 2.99 3.65 4.71 2.83 5.80 5.78 5.14 1.05 51.88
1948 1.68 y 2.06 5.40 0.00 z 5.08 6.70 3.27 5.49 3.61 1.97 3.32 q 7.14 40.72
1949 3.17 2.41 0.10 z 0.00 z 0.00 z 6.45 u 3.98 0.00 z 0.00 z 2.51 0.08 z 1.29 z 12.07
1950 1.27 1.73 b 2.22 1.07 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.39 8.68
1951 1.31 3.25 4.43 4.65 t 3.07 5.90 2.80 1.66 2.26 0.61 0.00 z 2.05 w 25.29
1952 3.05 3.32 4.65 3.25 2.60 2.58 4.35 5.96 2.26 0.00 z 0.00 z 0.00 z 32.02
1953 3.48 4.19 4.66 1.21 u 2.35 3.30 4.13 1.25 x 0.89 1.96 0.00 z 0.00 z 24.96
1954 6.93 2.10 4.21 2.59 4.49 5.30 2.57 3.19 2.46 7.44 3.00 3.40 47.68
1955 1.21 3.50 4.27 4.67 3.04 2.51 2.90 7.84 1.05 1.42 1.19 0.80 34.40
1956 0.67 4.53 3.26 4.57 1.99 1.47 2.77 1.17 6.44 6.40 2.06 0.96 36.29
1957 0.00 z 4.77 3.20 5.84 2.40 5.05 2.54 2.22 12.69 1.93 4.21 3.09 47.94
1958 4.05 3.62 4.20 3.36 a 6.14 4.80 3.60 4.06 0.95 1.65 1.56 6.97 44.96
1959 2.27 1.68 3.81 3.09 d 3.83 0.71 6.51 4.30 0.00 z 0.00 z 0.00 z 3.57 29.77
1960 1.68 6.34 4.38 2.44 3.14 1.29 4.14 3.33 d 3.71 1.77 0.70 1.51 34.43
1961 2.12 4.37 b 5.74 4.13 2.92 4.84 7.66 5.56 0.55 0.00 z 0.00 z 0.00 z 37.89
1962 4.24 2.78 2.98 2.90 2.43 6.47 4.26 1.76 4.00 2.27 6.64 3.90 44.63
1963 1.30 2.09 5.15 0.79 1.90 1.16 4.42 2.25 5.68 0.35 5.41 1.40 31.90
1964 4.51 4.29 2.27 3.98 2.85 2.35 7.55 6.63 5.71 3.22 3.10 2.56 49.02
1965 2.46 4.29 4.51 2.33 3.78 3.14 4.83 1.49 4.02 3.92 0.83 0.14 35.74
1966 4.76 4.63 2.34 2.67 3.56 1.79 5.79 3.78 6.76 3.59 1.89 3.18 44.74
1967 2.22 2.17 3.00 1.42 3.35 b 0.58 3.68 7.87 2.62 3.08 0.75 5.69 36.43
1968 3.95 0.12 3.47 3.50 3.06 2.81 5.01 3.85 2.33 6.58 2.58 2.16 39.42
1969 1.84 2.84 4.70 1.45 4.24 5.16 6.19 6.71 4.65 1.55 1.79 5.46 46.58
1970 1.27 2.39 2.38 3.46 3.30 2.78 4.29 6.08 0.99 7.27 3.43 2.01 39.65
1971 2.26 5.07 2.08 2.44 8.64 4.35 3.65 4.60 4.27 7.55 2.97 0.83 48.71
1972 2.57 4.46 2.36 4.18 6.67 7.26 6.03 4.05 3.67 2.79 4.10 4.91 53.05
1973 3.15 3.79 5.58 6.23 4.35 4.79 3.54 5.42 1.86 3.83 1.77 6.82 51.13
1974 4.16 1.83 2.49 3.24 5.74 3.15 2.30 2.50 5.69 0.73 1.55 3.56 36.94
1975 3.88 3.57 8.86 1.41 3.73 3.88 4.31 4.58 8.22 3.01 1.96 2.73 50.14
1976 3.35 1.61 2.32 2.99 6.84 5.73 0.96 2.42 3.52 12.73 1.73 3.68 47.88
1977 1.65 0.52 3.53 3.94 1.67 2.48 c 1.02 1.64 2.68 6.77 5.70 3.33 34.93
1978 7.57 0.47 5.88 8.12 4.77 2.82 6.21 5.17 0.94 0.65 3.78 3.58 49.96
1979 6.50 5.61 3.95 4.37 2.45 4.32 2.16 1.63 10.18 5.23 3.34 0.87 50.61
1980 4.11 0.61 5.03 6.79 3.56 2.77 3.29 0.00 z 2.29 3.22 2.52 0.45 34.64
1981 0.46 2.80 2.46 2.28 3.41 1.58 5.34 4.22 3.85 3.82 0.43 3.22 33.87
1982 4.77 5.10 3.08 3.23 3.55 6.76 3.93 3.78 3.06 3.03 3.79 2.88 46.96
1983 1.68 4.19 5.97 8.02 2.17 4.13 1.01 2.03 0.52 6.89 4.95 a 5.28 46.84
1984 1.43 5.26 4.96 2.91 5.12 1.08 8.37 6.55 0.27 2.38 2.77 1.66 42.76
1985 2.66 4.09 1.13 2.01 5.94 3.56 6.72 7.01 1.67 3.99 8.78 b 0.91 48.47
1986 0.99 2.49 1.30 1.52 2.77 0.65 3.19 8.56 4.13 2.60 4.99 5.58 38.77
1987 4.13 3.27 5.62 11.70 1.41 4.13 5.40 2.80 12.89 1.01 4.35 2.98 59.69
1988 2.29 1.29 1.64 3.33 3.67 3.53 6.90 5.41 2.73 1.62 4.07 0.91 37.39
1989 1.44 q 2.52 0.00 z 2.78 7.80 8.18 11.47 2.82 8.98 3.51 2.34 1.92 52.32
1990 3.75 4.42 5.28 3.30 7.51 1.00 9.85 3.66 0.00 z 10.74 1.52 4.53 55.56
1991 3.69 2.19 6.82 3.14 4.26 2.60 3.82 2.51 1.18 0.89 2.86 3.88 37.84
1992 4.75 3.37 3.54 6.15 6.17 5.58 4.28 2.69 3.31 2.47 6.46 2.60 51.37
1993 4.94 3.26 9.42 3.48 3.37 a 1.68 a 5.86 2.35 a 2.73 2.23 3.37 4.53 47.22
1994 5.19 a 4.25 8.75 b 2.23 1.62 5.55 11.76 b 6.80 0.84 2.53 2.58 2.83 54.93
1995 6.70 2.25 a 1.71 0.00 z 4.95 8.80 0.00 z 0.98 a 5.90 3.54 a 4.52 1.85 41.20
1996 6.76 a 3.12 4.00 2.69 5.63 7.24 4.93 5.93 10.84 3.75 3.13 a 5.61 63.63
1997 3.47 3.52 4.72 4.20 0.64 a 6.33 a 4.38 0.66 3.89 1.44 2.29 2.42 37.96
1998 7.40 7.53 3.98 6.19 5.23 2.37 2.82 2.80 0.59 0.99 1.29 3.94 45.13
1999 4.09 2.34 b 2.38 3.56 2.32 1.16 4.75 3.96 9.92 1.26 1.81 3.90 a 41.45
2000 2.14 1.17 3.09 6.03 3.62 5.41 a 3.24 4.57 7.63 0.04 1.92 2.52 a 41.38
2001 2.66 1.70 a 0.00 z 0.61 6.34 3.73 2.73 3.27 3.09 0.66 1.31 3.44 29.54
2002 2.63 1.02 6.59 0.82 a 3.07 1.51 4.56 2.61 4.37 d 4.65 5.81 4.79 b 42.43
2003 1.42 b 5.67 c 5.28 a 6.76 6.52 c 6.27 d 7.27 7.25 a 4.95 a 2.07 4.51 3.38 a 61.35
2004 1.72 c 2.86 1.75 5.73 2.46 5.56 a 5.52 a 7.32 11.66 2.81 5.16 3.15 55.70
2005 3.65 a 1.84 5.98 a 3.64 0.87 a 2.53 5.81 2.37 0.36 6.34 3.65 3.20 a 40.24
2006 3.38 1.63 0.40 1.75 d 2.81 7.91 a 2.44 4.72 5.74 6.00 b 4.63 b 1.78 b 43.19
2007 3.72 2.04 5.17 3.08 a 2.58 5.82 2.16 1.73 2.91 5.55 0.47 2.40 b 37.63
2008 0.61 a 2.17 b 1.85 4.82 3.51 2.16 2.30 6.64 3.94 1.39 3.23 b 3.70 36.32
2009 3.85 0.75 5.17 3.90 4.65 5.84 3.75 4.34 3.29 2.39 7.79 7.21 a 52.93
2010 6.51 3.47 5.41 2.13 3.12 2.82 2.17 8.07 7.78 4.33 1.84 3.54 51.19
2011 1.13 1.35 5.94 a 6.57 4.91 1.39 10.96 1.64 7.06 4.12 5.95 6.26 57.28
2012 2.24 1.74 3.35 3.21 0.81 t 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 10.54
Period of Record Statistics
MEAN 3.35 3.10 4.02 3.55 3.87 4.07 4.75 4.23 4.01 3.48 2.95 3.31 44.88
S.D. 1.67 1.76 1.93 1.83 1.76 2.12 2.37 2.56 3.00 2.54 1.81 1.67 7.39
SKEW 0.73 0.87 0.68 1.31 0.64 0.38 0.72 1.10 1.22 1.22 0.78 0.57 0.17
MAX 8.48 9.25 9.42 11.70 8.64 8.80 11.76 15.11 12.89 12.73 8.78 7.88 63.63
MIN 0.46 0.12 0.40 0.61 0.64 0.58 0.65 0.66 0.00 0.04 0.04 0.14 29.09
NO YRS 109 112 106 111 111 111 110 109 106 110 106 104 68