Saint Charles 3SSW DIVISION: STATION #7255 DATE OF RUN COUNTY: PERIOD ANALYSIS FOR 1971 -1999 ( 26 YEARS) 11/17/04 PRECIPITATION (INCHES) YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL 1971 .95 1.22 2.35 .79 1.11 .82 2.35 2.57 2.20 2.84 .82 3.92 21.94 1972 1.04 .82 1.89 1.52 .81 2.82 2.54 7.48 2.93 3.65 1.51 4.07 31.08 1973 .39 1.29 2.57 1.81 3.77 2.45 3.34 2.22 1.83 2.36 2.66 1.94 26.63 1974 1.92 1.88 3.68 1.01 3.73 3.36 2.97 3.59 2.26 1.90 2.62 1.55 30.47 1975 2.82 1.83 2.10 2.22 3.04 2.98 2.00 9.27 2.96 .51 3.59 3.04 36.36 1976 2.21 2.61 7.08 5.04 3.70 5.62 1.10 1.01 1.58 2.16 .83 .94 33.88 1977 .81 .73 3.54 2.07 .62 2.48 1.48 4.67 5.49 2.53 2.15 2.21 28.78 1978 2.78 .59 .98 1.75 2.68 2.08 1.88 1.90 4.06 .94 1.99 2.64 24.27 1979 2.86 1.03 1.75 2.73 1.51 3.49 2.11 2.15 .02 2.58 4.01 .97 25.21 1980 1.92 .89 2.63 4.29 1.95 3.01 5.40 1.68 4.23 2.98 1.10 2.85 32.93 1981 .61 1.70 .50 4.50 2.63 3.08 3.17 3.69 7.08 4.25 1.97 .91 34.09 1982 2.18 .97 2.48 1.14 2.84 3.41 2.76 4.65 2.67 .55 4.48 3.60 31.73 1983 .77 .73 3.26 4.76 6.01 2.94 1.57 2.08 4.92 2.83 3.30 2.73 35.90 1984 1.58 .93 3.88 3.29 4.27 2.28 2.72 4.76 2.32 3.66 2.60 3.38 35.67 1988 1.25 1.61 1.72 3.43 .73 .77 6.06 2.82 3.54 3.60 4.50 1.13 31.16 1989 1.57 .68 1.79 1.76 4.40 6.63 .76 3.37 3.21 1.95 4.62 .96 31.70 1990 1.78 2.26 1.26 1.55 2.98 2.93 3.34 5.48 5.19 6.07 5.61 2.41 40.86 1991 1.15 .64 3.40 8.62 2.69 2.64 3.47 2.02 1.66 3.91 2.85 1.60 34.65 1992 1.99 1.65 1.91 4.46 1.29 1.94 4.77 3.39 4.43 2.56 4.23 2.33 34.95 1993 2.95 1.27 1.61 4.46 2.28 3.33 3.07 5.53 4.22 3.51 1.19 .99 34.41 1994 2.54 .98 1.60 3.31 1.92 8.18 2.66 5.14 2.85 2.28 5.18 .80 37.44 1995 1.69 .34 1.59 3.06 1.55 2.04 1.96 4.08 1.36 2.66 4.42 .80 25.55 1996 1.43 1.47 .72 3.72 6.08 5.72 2.48 2.77 2.69 3.37 1.29 2.43 34.17 1997 1.60 4.28 2.40 1.87 3.87 1.57 4.00 3.24 2.87 1.58 1.56 .61 29.45 1998 3.80 2.04 2.56 2.00 1.81 1.12 1.71 1.81 1.21 3.45 1.73 1.52 24.76 1999 3.82 .62 .93 5.77 1.56 3.79 4.26 2.48 2.51 1.25 .96 2.16 30.11 NON-ZERO 26 26 26 26 26 26 26 26 26 26 26 26 26 ZEROES 0 0 0 0 0 0 0 0 0 0 0 0 0 PROB OF ZERO .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 NOTE: STATISTICS ARE COMPUTED ON THE NON-ZERO VALUES NUMBER YEARS 26 26 26 26 26 26 26 26 26 26 26 26 26 MEAN 1.862 1.348 2.315 3.113 2.686 3.134 2.843 3.610 3.088 2.690 2.760 2.019 31.467 VARIANCE .845 .689 1.775 3.207 2.200 2.982 1.625 3.592 2.389 1.494 2.188 1.094 21.513 STND DEV .919 .830 1.332 1.791 1.483 1.727 1.275 1.895 1.546 1.222 1.479 1.046 4.638 SKEW .496 1.800 1.736 1.116 .680 1.276 .766 1.245 .532 .382 .335 .389 -.270 KURTOSIS 2.589 7.025 7.344 4.428 2.897 4.534 3.274 4.478 3.272 3.757 1.814 2.019 2.437 NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS. ????? DIVISION: STATION #7255 DATE OF RUN COUNTY: PERIOD ANALYSIS FOR 1971 -1999 ( 26 YEARS) 11/17/04 PRECIPITATION (INCHES) STATISTICS PARAMETER JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL NUMBER YEARS 26 26 26 26 26 26 26 26 26 26 26 26 26 MEAN 1.862 1.348 2.315 3.113 2.686 3.134 2.843 3.610 3.088 2.690 2.760 2.019 31.467 VARIANCE .845 .689 1.775 3.207 2.200 2.982 1.625 3.592 2.389 1.494 2.188 1.094 21.513 STND DEV .919 .830 1.332 1.791 1.483 1.727 1.275 1.895 1.546 1.222 1.479 1.046 4.638 SKEW .496 1.800 1.736 1.116 .680 1.276 .766 1.245 .532 .382 .335 .389 -.270 KURTOSIS 2.589 7.025 7.344 4.428 2.897 4.534 3.274 4.478 3.272 3.757 1.814 2.019 2.437 GAMMA 3.856 3.438 3.572 3.325 3.201 3.682 5.103 4.253 2.167 3.930 3.308 3.624 45.589 BETA .483 .392 .648 .936 .839 .851 .557 .849 1.425 .684 .834 .557 .690 PROB OF ZERO .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 .37 .23 .42 .52 .43 .59 .74 .79 .27 .54 .46 .37 21.65 05 .62 .41 .73 .93 .77 1.01 1.13 1.29 .60 .91 .82 .64 24.21 10 .80 .54 .95 1.22 1.03 1.31 1.40 1.63 .88 1.16 1.08 .83 25.66 20 1.05 .73 1.27 1.66 1.41 1.74 1.77 2.12 1.34 1.53 1.47 1.12 27.49 25 1.17 .81 1.42 1.86 1.58 1.94 1.93 2.33 1.55 1.69 1.65 1.24 28.21 30 1.27 .90 1.55 2.05 1.75 2.12 2.08 2.53 1.75 1.85 1.81 1.36 28.87 40 1.48 1.05 1.82 2.42 2.07 2.48 2.37 2.93 2.18 2.15 2.14 1.59 30.08 50 1.70 1.22 2.10 2.81 2.41 2.85 2.66 3.33 2.63 2.46 2.49 1.84 31.24 60 1.94 1.40 2.41 3.23 2.79 3.26 2.98 3.77 3.14 2.80 2.87 2.10 32.43 70 2.22 1.62 2.77 3.74 3.23 3.74 3.35 4.29 3.76 3.20 3.31 2.41 33.73 75 2.38 1.74 2.98 4.03 3.49 4.03 3.56 4.59 4.13 3.43 3.58 2.60 34.47 80 2.57 1.89 3.23 4.39 3.80 4.36 3.81 4.94 4.58 3.71 3.89 2.81 35.30 90 3.12 2.32 3.95 5.40 4.70 5.32 4.53 5.96 5.89 4.49 4.80 3.44 37.56 95 3.62 2.72 4.62 6.34 5.53 6.20 5.18 6.89 7.14 5.20 5.63 4.01 39.49 99 4.65 3.58 6.04 8.38 7.34 8.05 6.55 8.86 9.90 6.61 7.44 5.23 43.25