CHATOM, ALABAMA

Monthly Total Precipitation (inches)

(011566)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 201203
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
1949 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 6.47 3.94 0.00 3.62 14.03
1950 3.00 3.76 5.53 3.42 2.64 4.26 10.07 5.95 3.12 1.41 0.81 3.66 47.63
1951 4.00 1.67 10.31 4.48 0.04 10.52 6.68 1.69 7.08 3.15 2.19 5.39 57.20
1952 2.48 4.53 3.75 3.11 4.62 2.36 1.62 5.61 2.32 0.06 2.92 6.55 39.93
1953 3.66 10.60 4.09 10.51 2.40 3.38 6.89 5.53 0.72 0.78 3.88 15.44 67.88
1954 1.74 2.68 6.14 8.08 2.22 0.89 6.53 0.32 0.73 2.90 2.20 6.83 41.26
1955 6.78 3.44 0.90 9.29 5.81 1.59 8.63 1.59 0.20 2.68 2.24 2.23 45.38
1956 2.64 5.00 5.83 1.75 2.57 8.56 15.99 3.14 3.86 2.97 1.81 6.57 60.69
1957 2.92 0.93 3.29 8.44 5.23 8.63 7.26 1.75 14.98 1.71 11.13 2.96 69.23
1958 4.95 3.65 6.17 3.68 3.01 5.22 9.28 3.73 9.90 3.21 1.81 1.80 56.41
1959 4.68 6.37 4.97 5.34 6.99 12.71 4.78 2.33 5.78 7.74 2.59 2.62 66.90
1960 3.97 5.34 5.25 2.77 7.34 3.87 4.24 5.55 7.75 5.55 0.72 3.05 55.40
1961 3.91 13.55 11.27 5.75 2.26 7.89 5.80 3.80 2.62 1.95 5.90 18.50 83.20
1962 5.51 1.63 b 6.49 5.93 3.12 4.51 b 3.70 a 2.68 2.75 2.36 a 4.25 3.54 46.47
1963 7.64 4.25 2.96 2.39 7.75 4.97 7.65 a 6.25 1.26 0.00 2.99 6.17 54.28
1964 5.15 3.32 7.64 8.20 5.51 6.85 12.13 6.03 2.05 4.43 5.58 4.42 71.31
1965 5.76 6.23 5.83 1.05 0.53 4.28 7.60 7.80 7.43 1.03 3.32 a 5.13 55.99
1966 6.69 12.31 3.86 4.36 7.42 0.07 5.76 3.01 2.89 4.90 4.57 5.22 61.06
1967 4.48 3.89 3.67 1.93 5.55 0.93 6.63 7.29 2.74 4.75 0.83 7.98 50.67
1968 2.65 3.05 2.43 2.78 1.56 2.52 3.83 3.90 3.00 1.72 3.51 c 10.57 41.52
1969 3.07 2.91 6.98 3.92 2.94 1.24 7.50 6.37 2.46 1.19 0.84 5.62 45.04
1970 4.01 6.56 9.00 1.92 2.50 4.24 7.17 7.97 1.48 5.63 2.88 6.05 59.41
1971 2.46 7.32 8.07 3.49 4.63 4.86 5.54 6.70 4.60 0.00 3.31 10.95 61.93
1972 6.59 4.72 6.74 2.27 5.74 3.87 5.20 1.04 1.95 2.84 5.07 9.37 55.40
1973 2.75 3.65 12.47 5.64 7.91 6.62 5.36 6.16 4.59 3.23 3.77 6.08 68.23
1974 7.44 4.26 4.17 8.63 5.13 3.09 2.56 8.23 7.77 2.01 5.42 5.20 63.91
1975 8.59 5.85 7.09 10.55 6.21 7.73 12.05 8.82 5.58 6.08 2.62 3.22 84.39
1976 3.45 1.86 8.40 1.22 8.00 3.61 3.93 2.53 3.54 3.09 5.99 5.02 50.64
1977 8.06 4.07 7.29 3.00 2.24 4.89 8.46 5.44 8.10 3.06 4.51 3.22 62.34
1978 6.03 2.23 2.45 3.04 8.50 8.10 4.76 1.94 3.67 0.21 4.14 5.33 50.40
1979 9.11 9.04 9.73 12.54 5.84 3.17 10.22 3.11 9.27 3.18 4.47 4.14 83.82
1980 5.63 0.00 z 13.88 11.52 11.72 1.09 4.76 6.43 3.29 3.90 2.99 1.50 66.71
1981 0.97 8.77 6.68 1.89 7.09 2.28 2.47 4.89 3.30 1.19 0.80 7.84 48.17
1982 4.37 9.73 2.60 7.70 3.31 5.05 6.50 4.27 2.60 2.15 5.91 7.94 62.13
1983 6.10 13.19 8.68 12.11 5.46 8.82 1.33 2.50 3.29 2.10 8.10 9.39 81.07
1984 5.15 6.77 6.80 3.60 10.63 2.50 4.01 4.47 0.87 7.41 2.41 2.69 57.31
1985 5.33 5.41 3.27 5.52 1.03 2.97 9.18 2.16 5.94 11.79 1.31 7.30 61.21
1986 1.31 5.39 5.15 1.47 9.65 2.14 9.67 2.92 3.63 3.80 10.43 4.64 60.20
1987 8.11 10.04 3.69 0.93 3.92 6.60 d 0.35 5.02 0.00 z 0.00 2.26 b 4.01 d 44.93
1988 5.18 b 7.46 a 4.77 a 2.31 b 1.33 b 0.34 h 7.09 f 5.58 f 12.51 5.01 d 9.83 h 3.47 a 42.04
1989 3.30 d 1.60 d 8.72 b 5.34 c 3.97 g 7.28 e 6.18 e 1.60 1.55 4.21 9.65 d 6.91 b 56.34
1990 14.35 e 11.30 e 7.63 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4.80 4.40 42.48
1991 12.93 8.31 8.00 b 4.27 b 17.37 a 2.53 3.35 6.91 5.29 0.45 5.40 4.55 79.36
1992 11.71 l 6.30 c 4.68 4.75 2.00 m 5.18 6.74 a 5.57 4.92 1.50 13.53 6.62 a 59.79
1993 9.86 4.16 e 8.45 b 5.44 5.25 c 5.75 2.72 4.51 b 4.82 f 5.18 3.45 5.59 60.36
1994 5.72 3.81 4.67 a 5.73 2.59 b 5.36 a 12.80 f 1.30 3.13 3.78 3.97 4.20 44.26
1995 8.52 e 4.95 7.43 7.06 3.48 a 2.50 4.71 e 7.67 1.65 6.52 4.67 7.58 a 66.74
1996 10.07 6.40 6.45 a 4.93 2.20 4.10 4.83 f 5.89 b 2.69 1.70 a 2.14 8.50 o 46.57
1997 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1998 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1999 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2000 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2001 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2002 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2003 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2004 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2005 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2006 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2007 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2008 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2009 5.39 3.69 12.28 6.78 14.01 3.68 4.84 6.25 6.88 4.63 6.02 16.34 90.79
2010 6.40 6.00 2.95 1.45 7.86 2.33 3.44 7.53 c 0.00 0.20 7.00 5.72 50.88
2011 4.25 5.22 8.93 c 3.29 0.90 6.10 7.70 1.80 b 7.87 0.30 3.50 a 5.30 55.16
2012 6.10 7.84 8.80 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 22.74
Period of Record Statistics
MEAN 5.46 5.70 6.42 5.01 5.19 4.62 6.21 4.54 4.38 3.07 4.09 6.05 60.27
S.D. 2.76 3.07 2.83 3.09 3.56 2.69 3.06 2.25 3.17 2.36 2.78 3.48 12.68
SKEW 1.03 0.83 0.48 0.81 1.19 0.75 0.72 0.00 1.21 1.14 1.34 1.78 0.59
MAX 14.35 13.55 13.88 12.54 17.37 12.71 15.99 8.82 14.98 11.79 13.53 18.50 90.79
MIN 0.97 0.93 0.90 0.93 0.04 0.07 0.35 0.32 0.00 0.00 0.00 1.50 39.93
NO YRS 50 50 51 49 47 48 46 48 48 50 50 50 41