BEAVERTON 1 ESE DIVISION: 6 STATION #0632 DATE OF RUN COUNTY: GLADWIN PERIOD ANALYSIS FOR 1981 -1998 ( 18 YEARS) 11/09/04 EXTREME SNOWFALL YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL 1981 4.0 4.0 .0 .0 .0 .0 .0 .0 .0 .0 2.0 8.0 12.0 1982 5.0 3.0 3.0 1.0 .0 .0 .0 .0 .0 .0 .5 1.5 16.3 1983 4.5 1.5 4.5 .0 .0 .0 .0 .0 .0 .0 1.0 2.5 10.8 1984 3.0 .3 .5 .0 .0 .0 .0 .0 .0 .0 1.0 2.5 11.0 1985 7.0 6.0 4.0 .0 .0 .0 .0 .0 .0 .0 4.5 3.0 19.7 1986 5.0 4.0 4.0 .0 .0 .0 .0 .0 .0 .0 .5 2.0 11.0 1987 5.0 1.0 .5 .0 .0 .0 .0 .0 .0 .0 .5 4.5 12.3 1988 5.0 2.5 1.5 .0 .0 .0 .0 .0 .0 .0 .3 2.3 13.0 1989 2.0 3.5 5.5 1.0 .0 .0 .0 .0 .0 .0 3.5 2.0 10.8 1990 2.0 6.0 1.0 .5 .0 .0 .0 .0 .0 .0 1.5 4.0 14.6 1991 7.0 3.5 1.5 .0 .0 .0 .0 .0 .0 .0 2.5 7.0 23.0 1992 2.5 4.0 5.5 1.0 .0 .0 .0 .0 .0 .8 4.5 2.0 12.5 1993 4.5 5.0 2.0 4.5 .0 .0 .0 .0 .0 .0 .5 .5 13.3 1994 6.0 3.5 5.0 .0 1.0 .0 .0 .0 .0 .0 .5 2.0 21.5 1995 5.5 1.0 2.5 1.5 .0 .0 .0 .0 .0 .0 7.5 3.0 16.5 1996 2.5 4.5 2.5 3.5 .0 .0 .0 .0 .0 .0 .5 3.0 13.6 1997 7.0 10.0 2.0 2.0 .0 .0 .0 .0 .0 6.0 1.0 2.0 24.3 1998 4.0 4.0 12.0 .0 .0 .0 .0 .0 .0 .0 1.0 1.5 15.8 NON-ZERO 18 18 17 8 1 0 0 0 0 2 18 18 18 ZEROES 0 0 1 10 17 18 18 18 18 16 0 0 0 PROB OF ZERO .00 .00 .06 .56 .94 1.00 1.00 1.00 1.00 .89 .00 .00 .00 NOTE: STATISTICS ARE COMPUTED ON THE NON-ZERO VALUES NUMBER YEARS 18 18 18 18 18 18 18 18 18 18 18 18 18 MEAN 4.53 3.74 3.38 1.88 1.00 .00 .00 .00 .00 3.40 1.85 2.96 15.11 VARIANCE 2.72 5.06 7.67 1.98 .00 .00 .00 .00 .00 13.52 3.85 3.59 18.71 STND DEV 1.65 2.25 2.77 1.41 .00 .00 .00 .00 .00 3.68 1.96 1.89 4.33 SKEW -.04 .94 1.77 .97 .00 .00 .00 .00 .00 -.00 1.61 1.54 .93 KURTOSIS 2.01 4.56 6.51 2.49 .00 .00 .00 .00 .00 1.00 4.84 4.69 2.60 NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS. BEAVERTON 1 ESE DIVISION: 6 STATION #0632 DATE OF RUN COUNTY: GLADWIN PERIOD ANALYSIS FOR 1981 -1998 ( 18 YEARS) 11/09/04 EXTREME SNOWFALL STATISTICS PARAMETER JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL NUMBER YEARS 18 18 18 18 18 18 18 18 18 18 18 18 18 MEAN 4.53 3.74 3.38 1.88 1.00 .00 .00 .00 .00 3.40 1.85 2.96 15.11 VARIANCE 2.72 5.06 7.67 1.98 .00 .00 .00 .00 .00 13.52 3.85 3.59 18.71 STND DEV 1.65 2.25 2.77 1.41 .00 .00 .00 .00 .00 3.68 1.96 1.89 4.33 SKEW -.04 .94 1.77 .97 .00 .00 .00 .00 .00 -.00 1.61 1.54 .93 KURTOSIS 2.01 4.56 6.51 2.49 .00 .00 .00 .00 .00 1.00 4.84 4.69 2.60 GAMMA 7.012 2.289 1.785 2.298 999.000 .000 .000 .000 .000 999.000 1.246 3.081 14.458 BETA .646 1.634 1.895 .816 999.000 .000 .000 .000 .000 999.000 1.485 .961 1.045 PROB OF ZERO .00 .00 .06 .56 .94 1.00 1.00 1.00 1.00 .89 .00 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 1.5 .4 .0 .0 .0 .0 .0 .0 .0 .0 .0 .4 7.4 05 2.1 .8 .0 .0 .0 .0 .0 .0 .0 .0 .2 .8 9.2 10 2.5 1.1 .5 .0 .0 .0 .0 .0 .0 .0 .3 1.1 10.3 20 3.1 1.7 1.1 .0 .0 .0 .0 .0 .0 .0 .5 1.5 11.7 25 3.3 1.9 1.3 .0 .0 .0 .0 .0 .0 .0 .7 1.7 12.3 30 3.5 2.2 1.6 .0 .0 .0 .0 .0 .0 .0 .8 1.9 12.8 40 3.9 2.7 2.1 .0 .0 .0 .0 .0 .0 .0 1.1 2.3 13.8 50 4.3 3.2 2.6 .0 .0 .0 .0 .0 .0 .0 1.4 2.6 14.8 60 4.7 3.8 3.2 .6 .0 .0 .0 .0 .0 .0 1.8 3.1 15.8 70 5.2 4.5 4.0 1.2 .0 .0 .0 .0 .0 .0 2.3 3.6 16.9 75 5.5 5.0 4.4 1.4 .0 .0 .0 .0 .0 .0 2.6 3.9 17.6 80 5.9 5.5 5.0 1.8 .0 .0 .0 .0 .0 .0 2.9 4.2 18.3 90 6.8 7.0 6.6 2.6 .0 .0 .0 .0 .0 .2 4.0 5.2 20.4 95 7.7 8.5 8.2 3.4 .1 .0 .0 .0 .0 1.3 5.1 6.2 22.2 99 9.4 11.7 11.5 5.1 .8 .0 .0 .0 .0 5.1 7.6 8.2 25.8