OLD MISSION 3 SSW DIVISION: 3 STATION #6158 DATE OF RUN COUNTY: GRAND TRAVERSE PERIOD ANALYSIS FOR 1981 -2000 ( 20 YEARS) 11/10/04 PRECIPITATION (INCHES) YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL 1981 .53 1.66 .92 4.76 1.22 3.07 1.55 5.42 1.37 3.51 1.30 1.36 26.67 1982 3.66 .32 1.69 2.77 .54 1.96 3.57 2.06 3.89 2.07 3.63 3.23 29.39 1983 .93 1.07 2.34 1.66 6.61 .96 2.14 3.69 5.54 4.23 1.89 2.00 33.06 1984 .63 .75 1.59 1.58 2.07 4.86 2.45 3.62 4.67 4.31 2.29 2.19 31.01 1985 1.64 2.78 1.25 2.79 3.13 1.38 2.80 5.30 3.40 2.06 2.91 1.91 31.35 1986 .35 .46 1.64 1.93 1.83 8.03 3.69 2.78 9.73 4.55 .80 .67 36.46 1987 .68 .12 .53 .88 1.07 3.11 .76 7.34 5.97 2.83 2.36 2.41 28.06 1988 1.72 .50 1.31 3.15 .57 1.50 2.51 4.12 2.54 5.99 4.37 .72 29.00 1989 .73 .36 2.22 .97 3.64 5.00 1.31 2.93 .80 3.77 2.13 1.41 25.27 1990 3.12 .45 2.64 1.35 3.21 5.77 1.22 3.52 3.55 2.49 2.49 1.38 31.19 1991 .79 .34 3.69 2.53 2.15 .98 4.90 1.04 4.96 8.87 1.46 1.49 33.20 1992 2.00 .99 1.83 2.50 .99 2.72 1.83 1.83 4.53 2.51 4.97 1.45 28.15 1993 1.22 .55 .29 2.99 3.40 5.79 3.96 5.23 4.39 2.15 2.06 1.05 33.08 1994 2.67 1.53 .92 3.34 1.43 2.15 4.51 2.98 4.18 2.29 1.87 .33 28.20 1995 2.28 .65 1.07 2.53 2.15 2.20 1.12 6.84 2.42 5.10 1.91 1.60 29.87 1996 1.10 1.06 .72 2.20 1.52 2.89 3.16 .80 4.54 2.63 1.89 1.87 24.38 1997 2.75 1.34 1.04 .24 4.03 .83 3.23 3.91 1.24 1.72 1.11 .61 22.05 1998 1.38 .24 2.67 3.24 2.15 3.38 1.02 5.91 2.59 2.57 2.08 1.89 29.12 1999 2.10 .26 .08 2.39 2.35 2.98 7.11 1.63 2.56 1.18 .62 1.44 24.70 2000 .90 .54 .58 .77 3.06 3.25 2.01 2.19 6.07 1.59 2.57 1.44 24.97 NON-ZERO 20 20 20 20 20 20 20 20 20 20 20 20 20 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 20 20 20 20 20 20 20 20 20 20 20 20 20 MEAN 1.559 .798 1.451 2.229 2.356 3.141 2.742 3.657 3.947 3.321 2.235 1.523 28.959 VARIANCE .903 .413 .835 1.162 2.042 3.600 2.501 3.488 4.183 3.316 1.189 .459 13.033 STND DEV .951 .643 .914 1.078 1.429 1.897 1.582 1.868 2.045 1.821 1.090 .677 3.610 SKEW .674 1.615 .676 .159 1.239 .941 1.031 .359 .867 1.533 .966 .439 .047 KURTOSIS 2.388 5.496 2.981 2.945 4.923 3.346 3.920 2.228 4.356 5.337 3.706 3.458 2.495 NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS. OLD MISSION 3 SSW DIVISION: 3 STATION #6158 DATE OF RUN COUNTY: GRAND TRAVERSE PERIOD ANALYSIS FOR 1981 -2000 ( 20 YEARS) 11/10/04 PRECIPITATION (INCHES) STATISTICS PARAMETER JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL NUMBER YEARS 20 20 20 20 20 20 20 20 20 20 20 20 20 MEAN 1.559 .798 1.451 2.229 2.356 3.141 2.742 3.657 3.947 3.321 2.235 1.523 28.959 VARIANCE .903 .413 .835 1.162 2.042 3.600 2.501 3.488 4.183 3.316 1.189 .459 13.033 STND DEV .951 .643 .914 1.078 1.429 1.897 1.582 1.868 2.045 1.821 1.090 .677 3.610 SKEW .674 1.615 .676 .159 1.239 .941 1.031 .359 .867 1.533 .966 .439 .047 KURTOSIS 2.388 5.496 2.981 2.945 4.923 3.346 3.920 2.228 4.356 5.337 3.706 3.458 2.495 GAMMA 2.789 1.978 2.045 3.198 2.952 2.942 3.315 3.500 3.558 4.322 4.492 4.492 66.909 BETA .559 .404 .710 .697 .798 1.067 .827 1.045 1.109 .768 .498 .339 .433 PROB OF ZERO .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 .20 .06 .11 .35 .33 .44 .45 .65 .71 .74 .52 .35 21.36 05 .40 .14 .26 .64 .63 .84 .81 1.13 1.24 1.20 .82 .56 23.39 10 .54 .21 .39 .85 .86 1.14 1.07 1.48 1.61 1.51 1.03 .70 24.52 20 .77 .33 .61 1.17 1.20 1.59 1.47 2.00 2.17 1.96 1.34 .91 25.94 25 .87 .38 .71 1.31 1.35 1.79 1.64 2.22 2.41 2.15 1.46 1.00 26.49 30 .97 .44 .80 1.45 1.49 1.99 1.80 2.44 2.65 2.34 1.59 1.08 27.00 40 1.17 .55 1.01 1.72 1.79 2.38 2.13 2.87 3.11 2.70 1.83 1.24 27.92 50 1.38 .67 1.22 2.00 2.09 2.79 2.47 3.31 3.58 3.07 2.07 1.41 28.81 60 1.61 .80 1.47 2.31 2.43 3.24 2.85 3.80 4.11 3.47 2.34 1.59 29.71 70 1.88 .97 1.77 2.68 2.83 3.78 3.29 4.38 4.72 3.94 2.65 1.80 30.69 75 2.05 1.07 1.95 2.90 3.07 4.10 3.56 4.72 5.09 4.22 2.83 1.93 31.24 80 2.24 1.19 2.17 3.15 3.35 4.47 3.87 5.12 5.52 4.54 3.04 2.07 31.87 90 2.80 1.54 2.81 3.90 4.17 5.56 4.76 6.28 6.75 5.46 3.65 2.48 33.54 95 3.33 1.88 3.42 4.59 4.92 6.56 5.59 7.34 7.89 6.31 4.20 2.86 34.95 99 4.43 2.55 4.77 6.09 6.42 8.59 7.39 9.63 10.32 8.11 5.38 3.66 37.54