CHAPEL HILL 2 W, NORTH CAROLINA

Monthly Total Precipitation (inches)

(311677)

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
1891 4.59 5.70 7.75 2.13 8.75 b 4.61 5.40 11.71 1.38 1.58 3.12 1.47 58.19
1892 6.19 3.22 2.74 3.15 3.72 6.12 3.72 0.82 1.97 0.27 4.35 10.88 47.15
1893 3.04 5.61 1.48 1.49 4.04 a 4.21 2.09 9.15 6.40 6.75 1.54 3.48 49.28
1894 4.30 3.65 1.78 2.64 4.03 a 1.76 5.80 6.21 7.93 6.84 1.85 2.33 49.12
1895 8.90 2.33 5.12 11.42 3.99 4.60 3.19 4.46 0.62 1.13 4.67 3.63 54.06
1896 3.39 6.46 2.54 2.23 6.80 5.06 8.52 1.28 8.39 1.08 3.09 2.23 51.07
1897 2.66 5.66 4.52 3.31 6.98 1.69 6.68 2.74 1.15 3.32 3.27 2.72 44.70
1898 1.85 1.03 5.39 3.11 3.15 2.66 6.38 14.48 4.74 4.39 2.98 2.07 52.23
1899 3.71 7.79 6.79 3.68 4.51 2.26 4.95 1.34 2.47 5.96 2.14 2.24 47.84
1900 3.23 5.08 4.99 6.09 2.62 4.45 6.38 3.64 3.40 2.20 5.00 4.31 51.39
1901 2.39 1.82 a 3.72 5.89 11.38 0.00 z 0.00 z 11.25 4.75 2.13 1.94 4.56 49.83
1902 2.30 6.92 2.95 3.38 2.23 3.10 1.25 3.71 4.51 3.83 2.94 4.88 42.00
1903 4.06 5.52 10.89 7.99 1.18 4.87 1.85 v 0.00 z 1.31 4.98 1.71 2.58 45.09
1904 2.67 4.55 4.65 1.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.20 l 3.38 16.75
1905 2.79 7.29 2.43 5.19 7.85 3.37 8.37 x 8.38 0.63 j 1.71 1.05 7.81 47.87
1906 0.00 z 3.21 5.61 1.32 3.12 0.00 z 0.00 z 0.00 z 0.00 z 2.38 0.99 3.54 20.17
1907 0.67 4.92 4.75 6.05 3.78 9.51 0.00 z 0.00 z 2.84 0.80 5.19 7.06 45.57
1908 5.54 i 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.73 v 4.00 2.58 3.63 10.21
1909 1.48 4.66 2.29 4.11 3.56 6.22 3.70 5.47 2.88 2.72 0.55 2.68 40.32
1910 3.70 3.34 1.64 5.19 3.36 0.00 z 0.00 z 0.00 z 3.76 e 5.63 2.48 4.20 33.30
1911 2.02 2.58 3.52 4.25 2.67 3.78 l 0.00 z 0.00 z 0.68 g 3.08 3.29 2.10 m 21.41
1912 3.73 3.52 6.47 3.88 7.17 4.51 0.57 1.70 3.17 0.99 2.00 2.15 l 37.71
1913 3.03 c 3.19 4.99 2.89 3.16 0.05 z 2.05 4.03 4.58 2.86 2.38 3.68 36.84
1914 2.52 3.19 3.16 1.90 1.15 3.42 5.76 3.75 v 4.50 o 2.74 3.12 6.26 a 33.22
1915 5.66 3.54 2.20 2.28 l 5.96 2.90 4.64 0.00 z 0.96 g 2.60 1.61 2.54 31.65
1916 2.39 a 4.05 1.79 3.15 2.19 8.16 5.74 4.50 0.80 2.03 0.78 2.01 i 35.58
1917 3.09 f 3.34 7.48 3.39 3.42 6.30 i 7.02 f 0.00 z 1.33 o 1.22 e 1.90 0.00 z 20.75
1918 4.30 1.86 f 0.00 z 6.82 3.52 2.63 5.32 h 0.00 z 0.15 w 1.27 2.57 4.25 25.36
1919 5.05 3.90 3.45 3.11 3.30 h 3.65 12.99 2.19 0.00 z 1.27 z 0.42 h 1.74 36.08
1920 3.42 4.74 2.89 6.87 0.72 j 7.99 d 6.08 0.45 z 2.81 q 1.68 5.70 b 3.13 l 39.37
1921 2.45 i 3.49 3.74 2.72 5.00 1.59 1.00 0.67 2.19 p 1.65 5.31 s 3.05 22.91
1922 5.41 u 6.46 o 8.11 p 3.02 5.22 6.07 3.92 2.83 0.10 5.67 0.55 3.82 l 27.38
1923 3.56 3.22 r 5.45 3.53 2.11 1.83 v 5.29 3.12 5.19 1.13 2.66 3.44 u 32.04
1924 4.73 4.33 t 2.36 u 4.79 4.62 7.11 o 7.82 9.21 x 14.01 1.48 2.26 3.47 u 39.71
1925 5.23 o 0.17 z 1.27 2.36 1.99 2.55 1.63 4.46 u 3.45 2.82 2.01 2.58 20.66
1926 4.02 u 4.59 4.96 2.58 1.34 4.10 6.23 2.27 1.93 2.55 2.83 6.85 e 40.23
1927 1.56 3.59 4.25 3.14 1.79 4.80 7.60 6.50 5.37 5.65 y 1.59 6.06 46.25
1928 1.65 3.29 2.92 7.06 3.77 5.39 3.92 8.67 12.15 2.64 0.57 1.72 53.75
1929 1.81 7.54 5.70 4.54 6.52 7.21 6.64 5.24 3.11 10.65 6.18 2.78 67.92
1930 3.94 1.09 2.03 2.53 1.26 6.13 4.78 1.68 1.86 3.68 2.26 5.87 r 31.24
1931 8.00 s 1.40 q 2.29 q 5.67 5.16 m 0.54 y 6.86 12.81 0.25 1.12 0.20 6.48 33.39
1932 5.79 a 2.55 4.53 1.56 2.93 5.13 2.53 3.47 z 1.53 8.05 5.46 6.62 46.68
1933 3.23 4.06 2.57 3.89 3.09 3.63 5.30 7.67 0.77 1.00 0.77 1.63 37.61
1934 1.39 4.78 5.30 n 4.85 4.24 u 5.00 8.52 4.54 5.30 0.99 5.69 u 3.11 38.48
1935 3.52 2.53 4.60 3.78 3.97 1.47 u 5.20 2.77 8.23 1.81 3.94 r 3.49 w 36.41
1936 6.30 q 4.51 5.30 5.58 0.18 5.23 10.04 r 2.76 2.12 4.20 2.15 4.87 p 32.03
1937 8.08 4.01 1.95 5.05 0.99 4.47 3.31 11.09 2.75 3.67 2.09 1.97 49.43
1938 3.69 1.29 2.39 3.43 4.37 6.39 9.24 1.57 4.50 1.14 3.79 3.25 u 41.80
1939 4.35 7.99 4.38 2.74 3.71 5.68 7.33 8.57 0.57 1.53 1.86 2.51 51.22
1940 3.07 x 2.46 3.26 3.32 u 3.38 1.77 v 2.56 6.13 0.68 0.46 6.13 2.68 27.74
1941 2.28 1.88 4.21 3.55 0.74 3.89 o 6.76 0.77 1.04 1.02 0.44 3.61 26.30
1942 1.86 3.18 5.30 0.95 3.67 3.75 5.81 6.61 5.43 4.57 2.91 5.81 49.85
1943 4.53 1.46 5.22 3.29 2.76 5.20 4.42 2.48 2.34 0.86 1.43 3.46 37.45
1944 3.46 5.37 7.13 4.47 1.94 2.63 7.43 3.46 9.03 2.28 4.80 2.50 54.50
1945 2.37 t 5.38 1.89 2.89 3.02 1.55 12.12 4.24 12.15 2.39 1.76 8.48 55.87
1946 3.66 s 4.02 1.80 4.58 3.80 4.71 5.61 4.88 u 4.51 5.10 2.55 1.50 38.18
1947 6.65 1.69 1.94 2.50 2.10 4.72 3.92 2.80 6.46 3.39 5.91 1.16 43.24
1948 5.38 5.18 4.15 3.80 5.40 2.50 4.47 2.82 4.75 2.55 10.21 l 5.43 46.43
1949 2.81 2.47 1.90 2.87 5.44 3.21 3.94 9.07 3.82 4.15 3.06 0.98 a 43.72
1950 2.39 1.80 3.08 a 0.86 5.35 4.40 6.16 3.46 4.41 3.03 0.72 2.68 38.34
1951 1.77 1.69 3.21 5.42 2.23 3.27 5.06 1.64 2.03 1.55 3.05 4.58 35.50
1952 4.11 4.20 6.73 4.46 3.20 2.25 3.95 9.85 2.98 1.25 6.19 3.34 52.51
1953 3.87 4.27 6.31 4.85 1.40 4.79 1.28 1.77 6.09 0.58 1.50 5.52 42.23
1954 6.84 1.59 4.40 2.71 3.79 2.51 3.22 4.73 0.31 5.54 2.97 2.33 40.94
1955 2.21 5.36 1.89 3.70 1.51 1.42 5.90 8.03 5.65 2.87 2.46 0.47 41.47
1956 1.46 5.66 3.70 2.97 3.35 1.89 4.75 4.24 5.74 6.40 1.35 3.14 44.65
1957 3.07 6.60 3.96 2.50 3.29 4.60 2.64 8.58 5.56 1.31 6.17 3.67 51.95
1958 4.37 3.57 3.36 6.72 4.71 1.60 6.53 4.95 0.91 2.30 1.54 4.75 45.31
1959 1.61 3.66 3.62 6.02 2.84 4.45 9.38 3.53 4.04 5.72 3.68 3.04 51.59
1960 3.31 6.02 5.32 4.38 5.00 2.04 6.98 4.42 3.22 2.99 0.89 1.83 46.40
1961 2.89 6.18 3.78 3.96 4.74 4.95 3.43 5.91 0.82 1.85 2.27 5.02 45.80
1962 6.93 3.21 3.71 5.71 1.44 8.48 5.89 a 4.09 4.44 0.96 9.32 3.70 57.88
1963 2.95 3.96 4.16 2.50 3.60 4.98 5.85 3.26 4.67 0.60 6.63 2.51 45.67
1964 4.38 5.30 3.57 4.38 1.69 4.67 5.49 5.30 2.35 5.73 2.21 3.85 48.92
1965 1.86 4.63 5.76 2.06 2.02 7.50 6.62 2.55 2.19 1.99 1.70 0.31 39.19
1966 5.40 3.83 3.68 4.01 4.94 4.18 2.29 2.29 3.61 3.17 1.58 2.50 41.48
1967 1.42 4.12 1.53 4.20 4.56 2.46 4.19 6.63 2.59 2.16 1.41 5.34 40.61
1968 3.18 0.53 3.83 2.72 4.73 3.57 4.10 1.14 0.26 5.24 4.05 3.24 36.59
1969 2.34 3.59 4.48 2.37 2.46 3.40 2.68 6.91 4.14 1.97 0.62 4.08 39.04
1970 1.82 a 3.98 5.48 4.13 3.25 4.60 4.07 5.41 1.72 4.11 3.02 2.46 44.05
1971 4.28 5.09 4.27 2.40 5.49 0.88 3.88 6.64 6.11 9.69 2.65 1.61 52.99
1972 2.12 4.46 1.84 2.76 7.62 4.70 4.20 4.02 4.17 3.06 6.77 6.76 52.48
1973 2.99 4.86 0.00 z 5.59 3.91 5.34 2.67 5.14 1.10 0.37 0.78 5.12 37.87
1974 4.33 3.40 3.60 1.74 0.00 z 3.63 0.96 5.52 5.92 1.26 1.52 5.01 36.89
1975 6.47 3.20 7.28 1.60 4.80 1.50 8.41 1.94 9.41 1.23 2.60 2.79 51.23
1976 2.80 1.44 2.46 0.73 5.04 5.14 0.54 2.04 2.50 5.03 2.30 3.59 33.61
1977 2.99 2.31 5.07 2.24 2.99 1.46 0.27 4.04 5.25 5.35 2.06 3.57 37.60
1978 8.28 1.37 5.94 5.59 4.52 4.44 4.98 7.71 2.54 1.62 3.92 3.58 54.49
1979 7.31 4.98 0.00 z 4.35 6.16 5.71 2.22 0.00 z 8.26 2.27 6.68 1.15 49.09
1980 4.08 2.05 6.28 2.32 4.50 10.16 5.12 1.46 3.16 4.22 2.71 1.71 47.77
1981 1.19 2.87 2.39 1.15 3.85 3.15 7.09 6.77 3.73 2.93 0.72 3.92 39.76
1982 5.52 4.47 2.77 4.03 7.10 9.08 5.70 b 4.05 1.30 4.16 2.79 5.43 56.40
1983 1.89 5.71 7.04 4.93 4.93 3.25 1.10 3.77 2.62 5.37 5.37 7.15 53.13
1984 4.27 6.76 7.95 4.98 6.41 3.39 7.23 1.80 0.47 3.01 1.61 2.79 50.67
1985 4.96 5.43 1.63 0.95 5.79 2.71 6.28 9.04 a 0.24 2.61 12.56 1.30 53.50
1986 1.41 1.60 3.26 1.07 2.54 1.47 4.60 7.52 0.80 1.71 3.13 4.19 33.30
1987 6.09 3.61 3.55 3.77 3.81 3.31 1.69 4.09 5.49 2.66 2.99 3.26 44.32
1988 3.31 2.59 1.89 3.06 3.42 3.54 1.18 3.89 3.25 4.94 4.27 0.89 36.23
1989 1.81 6.52 6.74 4.33 5.00 6.97 5.40 4.76 2.82 5.24 4.68 3.01 57.28
1990 2.80 4.08 4.20 2.95 6.21 2.76 3.39 3.14 0.09 9.59 1.90 3.73 44.84
1991 5.22 0.92 6.05 1.74 3.23 2.94 6.50 2.35 4.39 1.58 1.34 2.76 39.02
1992 3.98 3.27 3.73 2.73 3.30 8.71 2.36 5.88 2.45 3.56 7.22 2.60 49.79
1993 5.00 2.97 7.86 4.13 4.59 0.98 3.17 4.49 3.39 4.16 4.25 3.64 48.63
1994 3.80 3.57 6.19 2.00 3.04 2.71 3.31 4.67 2.39 5.89 2.77 1.26 41.60
1995 5.16 4.70 3.76 1.18 5.57 7.74 2.96 6.13 1.40 7.34 5.30 1.99 53.23
1996 5.43 2.25 4.03 3.86 3.90 1.98 4.92 4.92 13.97 4.73 3.32 3.66 56.97
1997 3.78 2.88 2.45 6.20 1.36 3.12 a 5.80 0.79 4.07 3.48 4.61 0.00 z 38.54
1998 8.93 6.60 7.64 3.19 3.07 2.46 2.24 4.29 3.93 1.72 2.83 4.03 50.93
1999 7.62 2.33 3.54 4.62 1.10 2.92 2.86 5.45 24.01 2.54 2.52 1.74 61.25
2000 4.61 2.25 2.68 6.25 2.53 3.19 7.69 5.00 4.22 0.26 2.37 1.42 42.47
2001 1.97 2.86 6.76 2.46 4.43 6.99 3.79 5.48 1.48 a 1.53 0.54 1.84 40.13
2002 5.85 1.35 2.61 1.40 1.12 3.57 4.11 4.14 3.68 10.12 3.33 5.29 46.57
2003 1.47 5.85 7.51 7.36 5.45 4.07 6.09 5.46 5.45 2.74 1.69 3.97 57.11
2004 1.67 3.05 2.10 2.11 3.48 3.02 a 5.55 7.85 4.68 2.98 3.77 2.07 42.33
2005 3.54 2.91 5.69 2.06 1.97 2.57 4.97 5.84 1.38 2.72 4.31 5.28 43.24
2006 2.62 2.26 1.70 3.50 2.01 7.17 3.16 a 3.37 5.80 5.22 b 7.81 3.21 47.83
2007 4.02 2.54 3.71 4.06 2.80 3.23 1.58 0.92 1.17 4.90 0.94 4.95 34.82
2008 1.27 3.79 5.22 5.54 4.26 2.21 7.42 6.69 9.97 1.13 3.25 4.64 55.39
2009 2.12 1.14 7.04 1.73 3.89 6.31 2.21 3.24 2.61 2.14 7.88 7.34 47.65
2010 5.27 4.60 3.15 0.65 5.16 2.14 3.01 1.53 3.03 3.20 1.36 5.05 38.15
2011 1.53 1.66 4.37 3.45 a 4.95 1.69 1.79 3.78 6.40 3.48 3.89 2.45 39.44
2012 1.74 2.09 4.78 1.73 b 1.30 v 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 10.34
Period of Record Statistics
MEAN 3.65 3.79 4.19 3.62 3.81 4.15 4.71 4.77 4.01 3.18 3.06 3.59 46.78
S.D. 1.81 1.67 1.85 1.76 1.83 2.01 2.36 2.80 3.44 2.15 2.05 1.84 7.12
SKEW 0.85 0.33 0.67 0.97 0.85 0.81 0.56 0.97 2.50 1.25 1.52 1.00 0.23
MAX 8.93 7.99 10.89 11.42 11.38 10.16 12.99 14.48 24.01 10.65 12.56 10.88 67.92
MIN 0.67 0.53 1.27 0.65 0.18 0.88 0.27 0.67 0.09 0.26 0.20 0.31 33.30
NO YRS 110 115 114 119 114 107 109 104 109 118 115 108 80