ATLANTA WSO AIRPORT, GEORGIA

Monthly Total Precipitation (inches)

(090451)

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
1930 5.35 1.02 4.34 1.40 6.50 1.44 1.48 0.96 3.52 1.25 5.94 3.46 36.66
1931 2.61 2.40 3.46 1.83 2.77 0.39 5.34 2.44 1.32 1.05 0.57 12.07 36.25
1932 4.58 5.52 4.53 3.17 1.80 6.31 2.78 2.30 3.52 6.90 2.96 11.60 55.97
1933 2.43 5.66 4.42 2.47 3.22 5.65 3.22 1.81 1.25 2.44 0.80 2.46 35.83
1934 2.72 4.65 4.12 3.08 3.26 4.19 5.49 3.32 4.68 5.34 1.66 2.42 44.93
1935 1.93 4.37 5.23 4.27 3.30 2.33 4.00 3.37 2.68 2.26 5.61 3.06 42.41
1936 10.82 8.42 4.22 9.86 0.32 3.17 4.03 5.95 5.44 3.61 2.33 7.98 66.15
1937 8.88 4.52 2.73 8.61 2.32 6.06 2.30 5.50 0.95 6.30 0.85 1.49 50.51
1938 1.86 1.18 5.98 8.27 1.88 7.39 3.88 1.83 3.47 0.20 4.76 2.94 43.64
1939 4.05 9.34 4.48 2.36 3.82 7.52 3.35 5.91 2.62 0.12 0.41 3.10 47.08
1940 5.62 3.83 5.27 2.77 2.03 3.41 8.82 8.16 3.07 0.43 3.29 4.39 51.09
1941 1.42 1.91 4.05 3.12 0.47 4.99 4.99 4.30 1.35 0.57 a 1.79 6.98 35.94
1942 3.47 3.84 11.51 1.47 5.29 3.61 4.60 5.53 5.73 3.86 1.38 5.32 55.61
1943 6.09 0.99 8.02 5.70 3.75 6.63 2.70 2.68 2.37 0.47 2.61 2.38 44.39
1944 3.87 7.18 5.93 6.62 1.65 0.74 2.30 1.46 3.45 1.09 2.60 2.61 39.50
1945 2.98 6.17 2.87 8.10 3.92 3.15 7.97 1.33 3.05 4.73 3.24 6.74 54.25
1946 7.20 4.67 7.09 2.98 6.39 6.54 2.26 2.60 2.72 3.02 1.79 1.44 48.70
1947 8.09 2.20 8.09 5.24 4.99 5.83 1.47 5.67 1.35 3.50 9.05 4.21 59.69
1948 3.47 6.20 10.19 2.82 7.83 1.32 11.26 4.20 3.60 0.73 15.72 4.11 71.45
1949 4.57 4.11 4.32 6.99 1.87 4.80 2.81 6.47 2.91 3.10 0.86 2.80 45.61
1950 2.06 3.02 4.01 1.45 3.73 4.08 7.39 5.51 3.61 2.57 0.81 2.94 41.18
1951 2.25 3.78 4.60 4.88 0.47 4.86 7.41 1.17 5.58 2.78 2.63 8.36 48.77
1952 3.46 4.49 8.61 1.92 3.94 3.11 1.20 7.05 1.61 0.75 2.12 5.93 44.19
1953 5.39 5.95 3.41 6.86 3.58 2.09 4.38 1.67 7.32 0.09 1.35 8.25 50.34
1954 3.73 2.70 3.07 1.91 3.31 2.08 6.31 1.14 0.26 0.17 4.12 3.00 31.80
1955 4.93 3.98 3.27 4.31 2.43 3.53 6.52 1.54 0.96 1.17 2.71 1.08 36.43
1956 1.88 6.57 5.93 5.18 2.60 2.21 7.26 1.10 6.19 2.00 1.55 3.12 45.59
1957 5.35 1.91 4.69 6.04 3.40 3.06 3.16 3.52 5.30 2.69 6.70 3.05 48.87
1958 3.88 5.91 5.19 4.50 4.11 4.09 8.85 3.56 3.14 1.69 2.14 2.58 49.64
1959 3.38 3.61 6.61 2.83 5.35 1.50 3.27 1.42 3.46 7.14 1.35 2.31 42.23
1960 10.16 5.27 5.26 4.59 0.96 1.26 2.25 5.60 4.84 2.57 0.89 2.46 46.11
1961 1.74 12.77 7.33 5.01 3.18 7.38 2.19 4.94 1.68 0.07 2.39 9.92 58.60
1962 5.24 5.09 6.72 5.96 0.38 4.39 5.25 1.21 3.51 1.53 6.19 2.34 47.81
1963 5.10 3.24 5.92 5.85 4.66 6.68 8.12 0.88 5.19 0.00 3.81 5.86 55.31
1964 6.01 4.17 9.51 8.68 2.59 2.88 7.14 4.10 1.38 5.63 3.11 4.93 60.13
1965 3.74 4.31 5.94 3.10 2.51 7.15 4.59 1.53 3.02 2.35 2.32 1.70 42.26
1966 5.94 7.04 4.02 4.19 5.84 2.95 3.32 3.94 2.15 7.53 4.82 4.60 56.34
1967 4.85 3.75 3.63 2.81 4.95 3.06 6.46 8.69 1.90 2.51 5.52 6.71 54.84
1968 4.07 1.40 4.54 6.33 6.42 2.65 5.34 4.13 1.29 2.99 4.81 4.89 48.86
1969 2.85 3.20 4.00 5.70 7.68 1.00 2.64 6.12 3.74 1.53 2.67 3.27 44.40
1970 2.95 2.99 6.94 3.24 3.01 2.62 3.59 3.26 1.82 6.29 1.86 3.68 42.25
1971 4.40 5.77 8.65 4.09 2.12 3.33 8.22 2.76 3.32 0.31 3.42 2.79 49.18
1972 9.26 3.16 4.49 2.31 4.28 4.04 3.81 2.78 1.86 3.04 3.96 7.62 50.61
1973 8.89 3.44 9.53 4.03 7.14 3.35 2.10 1.35 4.16 0.75 2.31 8.11 55.16
1974 5.36 6.37 2.44 3.72 3.83 3.20 4.64 6.26 1.06 1.22 3.89 5.31 47.30
1975 6.19 8.98 8.31 4.28 4.62 5.52 8.52 3.30 2.99 5.31 4.62 3.36 66.00
1976 5.15 1.84 10.95 1.49 6.99 2.36 4.29 0.50 0.72 3.55 4.11 4.01 45.96
1977 3.49 2.14 6.28 1.77 2.04 3.03 4.26 4.23 4.90 5.00 7.18 2.36 46.68
1978 7.03 0.77 2.63 3.49 7.28 2.86 2.56 5.66 0.94 1.42 2.96 3.75 41.35
1979 5.03 5.71 3.19 11.86 2.43 1.46 3.62 7.28 6.08 2.17 5.19 0.69 54.71
1980 5.69 2.69 11.66 1.88 8.37 4.49 0.76 1.59 4.77 1.61 2.14 1.29 46.94
1981 0.84 6.62 3.93 2.06 3.89 2.69 2.74 2.76 5.27 3.01 1.85 6.25 41.91
1982 4.75 6.99 3.79 6.02 2.60 6.09 6.31 1.45 3.00 5.83 4.15 5.23 56.21
1983 3.09 4.99 6.68 4.79 1.42 1.52 1.85 1.06 7.52 1.97 7.46 9.27 51.62
1984 4.66 5.97 5.83 6.62 6.57 0.74 11.21 6.46 0.04 1.54 2.10 3.65 55.39
1985 4.11 4.98 1.86 2.75 4.69 2.04 9.92 4.57 2.63 5.74 4.23 2.28 49.80
1986 0.88 2.46 4.13 0.49 2.95 2.18 3.27 6.08 3.68 5.15 6.20 3.03 40.50
1987 5.63 6.13 5.44 1.16 2.74 6.36 7.35 1.22 3.02 0.70 2.36 4.13 46.24
1988 4.64 3.32 2.57 6.06 1.71 0.16 5.04 4.92 6.35 5.00 4.87 1.21 45.85
1989 2.57 4.30 3.85 5.24 6.42 9.34 7.65 2.13 11.64 1.71 3.97 4.49 63.31
1990 8.47 9.75 8.36 2.76 5.26 1.39 3.49 4.64 3.01 6.12 1.27 3.04 57.56
1991 4.66 3.10 6.98 5.28 7.35 9.99 5.82 4.37 2.03 0.39 3.19 2.69 55.85
1992 3.58 3.94 3.81 1.03 1.73 4.14 9.03 5.04 8.55 2.84 10.04 6.38 60.11
1993 3.94 4.43 5.73 2.77 4.87 6.01 3.05 2.96 3.91 3.83 4.01 2.54 48.05
1994 5.11 3.76 5.77 3.68 2.16 2.44 17.71 4.16 5.86 4.51 3.27 1.59 60.02
1995 3.36 6.74 2.66 3.00 2.12 3.97 0.57 5.82 2.52 11.04 7.40 3.57 52.77
1996 8.26 3.82 6.42 2.91 2.12 1.70 2.14 4.66 4.32 0.89 3.22 4.14 44.60
1997 5.65 7.93 2.18 4.28 3.36 3.91 4.71 1.32 4.83 5.12 3.34 5.05 51.68
1998 5.83 7.10 6.25 5.12 1.23 3.58 2.93 5.54 4.45 0.26 1.97 1.90 46.16
1999 5.33 1.97 3.32 1.14 4.42 5.83 3.43 1.26 4.19 2.41 3.34 2.21 38.85
2000 4.89 1.26 3.63 2.63 1.86 1.11 2.70 4.03 4.93 0.88 5.02 2.62 35.56
2001 2.77 3.61 9.08 3.29 3.31 6.69 2.54 1.03 2.19 0.79 0.87 2.22 38.39
2002 5.35 2.54 5.49 1.83 3.29 a 2.81 2.59 0.77 6.39 5.94 5.36 5.23 47.59
2003 2.00 3.50 a 7.08 a 3.44 9.94 7.34 5.35 3.48 2.42 1.49 4.17 2.69 52.90
2004 2.84 4.60 1.04 2.80 2.58 5.99 2.20 3.63 a 13.65 2.19 7.26 4.82 53.60
2005 2.57 5.58 7.49 4.36 1.98 2.91 14.63 8.28 0.07 1.98 2.91 3.67 56.43
2006 5.10 5.50 2.93 2.48 2.86 5.80 1.31 8.66 3.31 3.04 4.39 3.08 48.46
2007 3.95 2.63 1.31 1.79 2.05 3.66 1.85 3.48 2.92 2.47 0.96 4.78 31.85
2008 2.85 4.61 5.17 3.22 2.80 0.58 7.17 3.77 0.75 3.48 2.64 4.39 41.43
2009 2.88 3.70 7.13 5.18 4.54 2.34 5.02 6.14 8.94 8.71 5.75 9.10 69.43
2010 5.38 4.17 4.24 2.56 6.87 5.21 4.37 3.32 1.60 3.33 5.48 1.62 48.15
2011 2.63 4.24 9.06 3.06 2.93 2.20 2.67 1.51 2.30 1.70 2.49 4.43 39.22
2012 5.14 2.23 3.52 2.23 a 1.52 v 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 13.12
Period of Record Statistics
MEAN 4.52 4.47 5.41 3.99 3.71 3.81 4.82 3.68 3.59 2.85 3.63 4.18 48.72
S.D. 2.06 2.18 2.35 2.17 2.05 2.15 3.06 2.12 2.39 2.26 2.43 2.40 8.34
SKEW 0.82 0.92 0.66 1.07 0.75 0.57 1.56 0.44 1.54 1.06 1.90 1.25 0.35
MAX 10.82 12.77 11.66 11.86 9.94 9.99 17.71 8.69 13.65 11.04 15.72 12.07 71.45
MIN 0.84 0.77 1.04 0.49 0.32 0.16 0.57 0.50 0.04 0.00 0.41 0.69 31.80
NO YRS 83 83 83 83 82 82 82 82 82 82 82 82 82