WILMINGTON WSO AIRPORT, NORTH CAROLINA

Monthly Total Precipitation (inches)

(319457)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 201012
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
1933 2.22 5.83 2.88 4.50 3.15 a 1.61 7.63 6.45 8.27 0.07 0.38 0.19 43.18
1934 1.15 3.51 4.46 1.16 5.58 3.42 3.09 5.28 7.06 0.77 7.70 3.00 46.18
1935 2.89 1.74 1.88 1.89 0.97 2.33 15.97 10.02 5.44 0.19 3.74 5.01 52.07
1936 4.00 5.07 10.43 1.56 0.20 3.57 4.95 4.32 4.25 7.15 3.03 6.51 55.04
1937 4.26 5.18 1.87 6.74 2.29 3.93 6.45 4.64 2.13 1.78 6.17 2.14 47.58
1938 2.26 0.93 1.98 4.69 3.78 5.07 11.00 5.84 16.28 1.48 0.92 3.15 57.38
1939 3.23 5.97 2.80 1.82 4.64 4.78 7.43 7.21 2.67 3.00 0.79 1.56 45.90
1940 3.16 5.69 1.90 2.39 3.24 5.06 1.38 14.14 1.96 1.44 1.86 2.93 45.15
1941 1.62 3.22 3.03 2.65 0.86 5.51 7.79 6.15 1.07 0.65 0.31 6.20 39.06
1942 2.05 4.69 5.44 0.87 6.03 4.76 3.63 10.02 3.89 5.17 0.93 2.99 50.47
1943 4.70 0.69 4.73 2.11 3.61 5.44 10.32 5.87 2.20 0.02 1.25 3.75 44.69
1944 3.43 6.20 6.83 3.84 2.18 2.65 5.14 6.60 2.51 7.91 2.07 2.98 52.34
1945 2.08 3.38 0.26 3.10 1.84 11.74 11.92 9.56 8.96 2.06 2.43 6.62 63.95
1946 3.85 3.00 2.08 3.52 4.22 4.27 19.14 10.33 12.26 4.52 2.76 2.10 72.05
1947 3.18 0.67 6.13 a 3.72 2.83 6.13 10.35 6.11 11.99 6.19 7.15 5.50 69.95
1948 6.17 4.01 4.75 2.42 5.22 3.00 5.05 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 30.62
1949 1.41 3.52 1.50 3.99 4.51 4.98 7.94 10.73 4.93 2.52 2.72 1.84 50.59
1950 2.40 1.57 4.12 1.87 4.42 8.56 18.05 5.78 4.90 4.96 1.86 3.45 61.94
1951 0.66 1.91 3.78 6.53 1.53 2.53 10.45 7.48 5.84 2.11 7.10 3.70 53.62
1952 1.91 5.22 5.06 1.50 1.66 2.91 4.94 8.82 5.47 3.15 5.36 2.11 48.11
1953 4.56 4.43 4.14 2.81 2.60 4.63 4.28 7.04 8.91 0.17 4.79 5.67 54.03
1954 3.34 1.54 4.97 3.44 5.73 1.36 4.18 3.29 2.87 5.57 1.76 2.84 40.89
1955 3.34 1.91 2.37 2.54 3.62 3.17 9.25 12.29 15.51 1.43 3.29 0.48 59.20
1956 1.55 4.36 2.13 2.67 9.12 4.36 3.31 5.01 2.31 7.25 0.52 1.30 43.89
1957 2.32 2.31 5.54 0.33 3.29 4.54 3.59 5.08 13.25 1.26 3.75 4.84 50.10
1958 3.73 3.30 4.98 6.20 4.21 6.44 4.34 8.26 10.10 5.68 0.89 5.31 63.44
1959 2.11 5.04 6.48 2.74 1.36 1.41 10.90 7.58 3.00 5.11 4.72 3.28 53.73
1960 3.63 4.75 7.44 3.15 5.52 3.24 10.28 4.53 9.06 2.03 1.85 2.64 58.12
1961 2.12 2.99 4.52 8.21 3.70 11.79 1.65 9.21 4.25 1.19 1.85 0.78 52.26
1962 5.98 2.27 5.01 5.12 2.35 12.87 5.86 4.98 5.48 0.76 5.01 1.99 57.68
1963 2.54 4.20 0.94 1.22 8.68 3.86 11.74 2.73 4.02 3.87 4.83 2.72 51.35
1964 7.08 6.17 2.89 1.32 5.11 5.02 7.40 3.69 3.58 9.81 1.17 4.54 57.78
1965 1.29 4.83 5.72 2.40 2.76 9.38 12.09 10.58 2.90 3.44 1.12 0.81 57.32
1966 6.32 5.54 2.89 1.48 7.50 9.78 15.12 5.67 6.09 1.10 0.70 3.44 65.63
1967 3.89 4.14 0.93 1.15 2.58 6.03 5.78 8.13 1.55 1.07 2.24 4.67 42.16
1968 3.71 1.44 0.97 3.50 2.30 2.52 9.31 1.66 1.24 4.46 4.40 2.26 37.77
1969 2.80 2.53 4.60 3.41 7.32 9.31 13.46 4.69 2.59 0.95 5.23 3.86 60.75
1970 1.98 2.45 7.19 1.37 3.92 4.48 5.71 13.98 2.23 4.12 2.22 3.22 52.87
1971 4.97 3.51 4.57 3.46 2.29 5.60 8.08 10.42 5.04 6.05 2.22 1.49 57.70
1972 4.27 4.57 3.36 0.78 3.50 3.50 6.36 4.91 6.73 0.69 7.87 5.29 51.83
1973 4.37 4.85 3.48 5.32 3.48 10.70 9.33 6.42 5.60 1.52 0.49 5.60 61.16
1974 2.81 4.23 2.30 2.18 5.15 5.37 8.36 13.33 5.09 1.12 3.14 3.72 56.80
1975 5.06 5.09 3.15 3.90 3.11 7.11 9.76 4.52 6.06 3.14 3.00 5.20 59.10
1976 2.93 1.01 2.57 0.91 4.33 12.74 8.28 9.53 4.79 3.31 2.14 5.37 57.91
1977 2.94 1.83 5.66 1.43 6.75 4.26 3.25 5.85 4.88 5.73 6.33 2.83 51.74
1978 6.68 1.33 2.94 3.82 3.46 2.34 7.38 4.77 1.58 1.01 3.71 4.68 43.70
1979 6.23 4.21 4.82 5.60 5.27 4.74 2.82 2.48 15.17 0.38 2.01 2.35 56.08
1980 4.16 1.52 6.03 1.33 4.65 2.46 5.95 3.21 5.97 1.62 1.87 5.81 44.58
1981 1.09 3.08 3.02 1.43 5.02 2.45 5.23 14.06 1.07 1.39 0.78 5.76 44.38
1982 5.50 6.67 1.84 4.03 2.04 7.59 8.59 3.67 7.08 2.56 1.32 6.57 57.46
1983 4.90 8.74 8.09 2.09 1.13 6.71 5.53 5.63 5.59 1.02 4.49 5.20 59.12
1984 2.58 4.82 4.43 3.23 6.45 0.89 9.01 4.79 18.94 0.49 1.16 1.32 58.11
1985 2.01 5.08 1.66 0.71 2.76 4.56 10.34 3.63 2.75 2.43 6.74 1.35 44.02
1986 2.12 2.52 4.13 0.48 7.09 5.58 11.28 11.44 0.70 3.35 4.44 6.28 59.41
1987 6.49 4.42 2.70 2.96 0.95 5.24 5.19 9.35 6.42 0.51 5.67 1.35 51.25
1988 5.41 2.00 4.05 3.56 7.54 2.93 14.49 9.61 2.80 1.81 3.14 0.59 57.93
1989 1.60 2.64 6.70 7.60 3.58 7.55 9.93 3.93 9.54 4.61 1.91 7.06 66.65
1990 2.34 2.31 5.11 2.21 8.04 2.17 6.59 11.42 1.40 7.10 2.09 2.65 53.43
1991 10.22 1.65 6.52 3.35 1.75 2.57 13.35 8.65 3.31 4.19 2.98 2.17 60.71
1992 5.75 3.45 5.65 3.12 7.55 7.00 3.18 13.56 2.23 3.09 7.14 4.48 66.20
1993 5.83 2.96 6.34 5.78 2.82 3.70 7.04 5.66 8.09 8.29 2.58 2.67 61.76
1994 7.03 3.26 8.27 0.80 2.67 2.75 4.76 6.03 7.09 8.53 3.27 6.91 61.37
1995 4.93 4.47 4.35 0.16 6.47 12.03 8.74 4.08 6.92 9.31 1.56 2.09 65.11
1996 3.09 1.12 4.70 2.50 3.00 8.02 13.42 5.19 13.35 6.06 1.22 2.75 64.42
1997 3.38 3.86 2.55 3.02 1.61 5.81 6.15 2.86 8.94 1.33 5.25 4.83 49.59
1998 7.29 11.22 2.06 2.80 7.58 4.31 3.79 13.48 5.38 1.36 0.97 3.96 64.20
1999 4.80 2.00 3.07 5.02 8.16 3.91 4.54 8.35 23.41 3.81 3.58 1.41 72.06
2000 4.66 1.31 2.61 4.64 3.70 6.23 7.83 8.38 7.77 0.38 4.67 1.64 53.82
2001 0.68 2.28 8.26 0.90 3.08 4.15 7.26 5.62 3.04 0.45 0.95 1.31 37.98
2002 1.82 1.97 5.62 0.53 2.42 4.21 7.78 12.09 4.95 2.34 3.06 2.53 49.32
2003 1.69 4.03 5.33 6.48 7.43 5.42 4.69 6.33 5.74 9.58 1.95 4.95 63.62
2004 2.18 5.28 1.85 1.35 3.81 2.66 7.14 10.03 9.93 1.90 2.92 1.68 50.73
2005 1.32 2.26 3.12 3.90 5.91 8.20 a 6.14 6.81 8.26 15.07 4.11 4.15 69.25
2006 1.88 3.35 1.28 3.06 2.30 7.83 3.67 18.83 5.67 5.66 6.01 4.26 63.80
2007 4.43 2.06 1.56 1.29 a 1.63 3.64 5.43 2.89 a 4.60 2.17 0.60 3.05 33.35
2008 3.24 3.93 3.21 2.25 4.07 4.08 12.43 7.19 9.69 3.04 4.65 3.02 60.80
2009 2.01 1.61 3.57 1.67 6.52 3.80 9.67 6.33 8.75 2.09 4.85 8.86 59.73
2010 3.42 4.23 3.71 0.77 4.01 5.59 5.34 2.70 22.72 1.48 0.96 3.63 58.56
2011 2.35 4.81 2.89 0.86 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 10.91
Period of Record Statistics
MEAN 3.54 3.57 4.01 2.85 4.07 5.22 7.81 7.30 6.47 3.30 3.07 3.52 54.77
S.D. 1.84 1.85 2.01 1.79 2.12 2.77 3.72 3.44 4.73 2.88 2.01 1.85 8.52
SKEW 0.90 1.05 0.60 0.86 0.50 1.08 0.78 0.83 1.58 1.42 0.65 0.42 -0.23
MAX 10.22 11.22 10.43 8.21 9.12 12.87 19.14 18.83 23.41 15.07 7.87 8.86 72.06
MIN 0.66 0.67 0.26 0.16 0.20 0.89 1.38 1.66 0.70 0.02 0.31 0.19 33.35
NO YRS 79 79 79 79 78 78 78 77 77 77 77 77 77