HUDSON 3 E DIVISION: 10 STATION #3969 DATE OF RUN COUNTY: LENAWEE PERIOD ANALYSIS FOR 1981 -2000 ( 18 YEARS) 11/17/04 EXTREME SNOWFALL YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL 1981 3.2 5.1 1.0 .0 .0 .0 .0 .0 .0 .0 1.1 4.0 15.0 1982 6.0 9.0 4.0 4.0 .0 .0 .0 .0 .0 .0 2.5 .5 25.1 1985 2.4 2.2 2.8 1.0 .0 .0 .0 .0 .0 .0 3.6 1.8 14.0 1986 2.7 2.7 1.5 .0 .0 .0 .0 .0 .0 .0 3.4 1.0 10.5 1987 6.0 .5 5.0 .1 .0 .0 .0 .0 .0 .0 .2 4.6 11.5 1988 4.0 5.0 1.6 .0 .0 .0 .0 .0 .0 .0 .5 2.1 12.8 1989 1.3 2.6 .7 .3 .5 .0 .0 .0 .0 1.0 1.5 1.5 6.9 1990 1.0 2.6 1.3 .7 .0 .0 .0 .0 .0 .0 .0 3.5 10.4 1991 1.0 3.4 .0 .0 .0 .0 .0 .0 .0 .0 .6 1.6 6.6 1992 3.0 3.9 6.5 .3 .0 .0 .0 .0 .0 .2 .6 3.0 8.8 1993 2.5 2.5 9.0 .9 .0 .0 .0 .0 .0 .0 .7 1.0 18.8 1994 3.3 5.5 1.5 2.3 .0 .0 .0 .0 .0 .0 .0 1.2 15.3 1995 4.5 .5 .3 .0 .0 .0 .0 .0 .0 .0 4.5 2.5 10.6 1996 2.7 1.5 3.0 .0 .0 .0 .0 .0 .0 .0 3.0 4.5 11.6 1997 4.0 1.9 .8 .0 .0 .0 .0 .0 .0 .0 3.0 5.5 11.1 1998 3.0 .3 2.9 .0 .0 .0 .0 .0 .0 .0 .0 .2 4.5 1999 11.0 4.0 6.5 .0 .0 .0 .0 .0 .0 .0 .0 2.1 29.9 2000 2.5 4.0 .0 .5 .0 .0 .0 .0 .0 .0 2.8 5.5 28.3 NON-ZERO 18 18 16 9 1 0 0 0 0 2 14 18 18 ZEROES 0 0 2 9 17 18 18 18 18 16 4 0 0 PROB OF ZERO .00 .00 .11 .50 .94 1.00 1.00 1.00 1.00 .89 .22 .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 3.56 3.18 3.03 1.12 .50 .00 .00 .00 .00 .60 2.00 2.56 13.98 VARIANCE 5.45 4.57 6.42 1.59 .00 .00 .00 .00 .00 .32 1.99 2.82 52.20 STND DEV 2.33 2.14 2.53 1.26 .00 .00 .00 .00 .00 .57 1.41 1.68 7.22 SKEW 1.86 .95 1.01 1.52 .00 .00 .00 .00 .00 -.00 .21 .46 1.05 KURTOSIS 6.82 4.15 2.99 4.06 .00 .00 .00 .00 .00 1.00 1.65 1.98 3.13 NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS. HUDSON 3 E DIVISION: 10 STATION #3969 DATE OF RUN COUNTY: LENAWEE PERIOD ANALYSIS FOR 1981 -2000 ( 18 YEARS) 11/17/04 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 3.56 3.18 3.03 1.12 .50 .00 .00 .00 .00 .60 2.00 2.56 13.98 VARIANCE 5.45 4.57 6.42 1.59 .00 .00 .00 .00 .00 .32 1.99 2.82 52.20 STND DEV 2.33 2.14 2.53 1.26 .00 .00 .00 .00 .00 .57 1.41 1.68 7.22 SKEW 1.86 .95 1.01 1.52 .00 .00 .00 .00 .00 -.00 .21 .46 1.05 KURTOSIS 6.82 4.15 2.99 4.06 .00 .00 .00 .00 .00 1.00 1.65 1.98 3.13 GAMMA 3.069 1.865 1.519 1.098 999.000 .000 .000 .000 .000 999.000 1.626 1.948 4.430 BETA 1.160 1.704 1.991 1.022 999.000 .000 .000 .000 .000 999.000 1.230 1.315 3.156 PROB OF ZERO .00 .00 .11 .50 .94 1.00 1.00 1.00 1.00 .89 .22 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 .5 .2 .0 .0 .0 .0 .0 .0 .0 .0 .0 .2 3.2 05 1.0 .5 .0 .0 .0 .0 .0 .0 .0 .0 .0 .4 5.1 10 1.3 .8 .0 .0 .0 .0 .0 .0 .0 .0 .0 .7 6.4 20 1.8 1.3 .6 .0 .0 .0 .0 .0 .0 .0 .0 1.0 8.3 25 2.1 1.5 .8 .0 .0 .0 .0 .0 .0 .0 .2 1.2 9.1 30 2.3 1.7 1.1 .0 .0 .0 .0 .0 .0 .0 .4 1.4 9.9 40 2.7 2.1 1.6 .0 .0 .0 .0 .0 .0 .0 .8 1.7 11.4 50 3.2 2.6 2.1 .0 .0 .0 .0 .0 .0 .0 1.2 2.1 12.9 60 3.7 3.2 2.7 .3 .0 .0 .0 .0 .0 .0 1.6 2.6 14.6 70 4.3 3.9 3.4 .6 .0 .0 .0 .0 .0 .0 2.0 3.1 16.6 75 4.6 4.3 3.9 .8 .0 .0 .0 .0 .0 .0 2.3 3.4 17.7 80 5.1 4.8 4.4 1.0 .0 .0 .0 .0 .0 .0 2.7 3.8 19.1 90 6.3 6.3 6.0 1.8 .0 .0 .0 .0 .0 .0 3.7 5.0 22.9 95 7.4 7.6 7.6 2.5 .1 .0 .0 .0 .0 .3 4.7 6.1 26.4 99 9.9 10.6 11.1 4.2 .4 .0 .0 .0 .0 .9 6.9 8.3 33.8