SAINT IGNACE DIVISION: 2 STATION #7274 DATE OF RUN COUNTY: MACKINAC PERIOD ANALYSIS FOR 1981 -2000 ( 20 YEARS) 11/10/04 SNOWFALL (INCHES) YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL 1981 11.5 12.3 3.2 .0 .0 .0 .0 .0 .0 .0 .0 12.2 39.2 1982 51.8 5.7 3.4 7.4 .0 .0 .0 .0 .0 .0 1.0 11.7 81.0 1983 10.5 8.9 6.0 .0 .0 .0 .0 .0 .0 .0 2.0 56.6 84.0 1984 26.8 7.7 2.5 .0 .0 .0 .0 .0 .0 .0 .3 19.7 57.0 1985 20.2 41.5 14.3 20.0 .0 .0 .0 .0 .0 .0 6.9 53.3 156.2 1986 26.9 18.0 18.6 .0 .0 .0 .0 .0 .0 .0 12.1 32.9 108.5 1987 12.2 14.2 2.5 10.0 .0 .0 .0 .0 .0 .0 1.6 18.8 59.3 1988 24.9 7.6 18.9 .0 .0 .0 .0 .0 .0 .0 .0 27.8 79.2 1989 26.0 12.4 17.2 3.0 .0 .0 .0 .0 .0 .0 19.3 41.5 119.4 1990 35.0 16.1 2.0 1.1 .0 .0 .0 .0 .0 .0 1.3 9.3 64.8 1991 15.3 8.9 3.5 3.5 .0 .0 .0 .0 .0 .0 21.2 21.0 73.4 1992 17.5 22.1 3.3 6.5 .0 .0 .0 .0 .0 .0 2.8 12.4 64.6 1993 12.4 3.5 2.3 6.8 .0 .0 .0 .0 .0 .0 4.5 12.2 41.7 1994 27.2 14.8 8.8 .0 .0 .0 .0 .0 .0 .0 .0 .5 51.3 1995 20.0 1.5 9.7 .0 .0 .0 .0 .0 .0 .0 15.4 20.5 67.1 1996 17.5 23.8 14.6 9.3 .0 .0 .0 .0 .0 .0 5.4 46.0 116.6 1997 36.8 17.4 14.5 .0 1.0 .0 .0 .0 .0 .0 5.1 3.5 78.3 1998 32.0 .5 18.7 .0 .0 .0 .0 .0 .0 .0 .0 26.7 77.9 1999 65.0 10.7 .4 .0 .0 .0 .0 .0 .0 .0 .0 8.0 84.1 2000 19.1 15.8 .0 .0 .0 .0 .0 .0 .0 .0 15.0 37.5 87.4 NON-ZERO 20 20 19 9 1 0 0 0 0 0 15 20 20 ZEROES 0 0 1 11 19 20 20 20 20 20 5 0 0 PROB OF ZERO .00 .00 .05 .55 .95 1.00 1.00 1.00 1.00 1.00 .25 .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 25.43 13.17 8.65 7.51 1.00 .00 .00 .00 .00 .00 7.59 23.60 79.55 VARIANCE 190.53 84.56 46.03 30.56 .00 .00 .00 .00 .00 .00 50.42 266.70 799.68 STND DEV 13.80 9.20 6.78 5.53 .00 .00 .00 .00 .00 .00 7.10 16.33 28.28 SKEW 1.43 1.35 .38 1.21 .00 .00 .00 .00 .00 .00 .75 .61 1.00 KURTOSIS 4.78 5.60 1.50 4.03 .00 .00 .00 .00 .00 .00 2.09 2.32 3.94 NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS. SAINT IGNACE DIVISION: 2 STATION #7274 DATE OF RUN COUNTY: MACKINAC PERIOD ANALYSIS FOR 1981 -2000 ( 20 YEARS) 11/10/04 SNOWFALL (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 25.43 13.17 8.65 7.51 1.00 .00 .00 .00 .00 .00 7.59 23.60 79.55 VARIANCE 190.53 84.56 46.03 30.56 .00 .00 .00 .00 .00 .00 50.42 266.70 799.68 STND DEV 13.80 9.20 6.78 5.53 .00 .00 .00 .00 .00 .00 7.10 16.33 28.28 SKEW 1.43 1.35 .38 1.21 .00 .00 .00 .00 .00 .00 .75 .61 1.00 KURTOSIS 4.78 5.60 1.50 4.03 .00 .00 .00 .00 .00 .00 2.09 2.32 3.94 GAMMA 4.332 1.713 1.355 2.043 999.000 .000 .000 .000 .000 .000 1.022 1.553 9.023 BETA 5.870 7.689 6.385 3.676 999.000 .000 .000 .000 .000 .000 7.433 15.203 8.816 PROB OF ZERO .00 .00 .05 .55 .95 1.00 1.00 1.00 1.00 1.00 .25 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 5.7 .7 .0 .0 .0 .0 .0 .0 .0 .0 .0 1.0 31.0 05 9.2 1.9 .0 .0 .0 .0 .0 .0 .0 .0 .0 2.9 41.5 10 11.6 3.0 .9 .0 .0 .0 .0 .0 .0 .0 .0 4.8 48.1 20 15.0 4.9 2.2 .0 .0 .0 .0 .0 .0 .0 .0 8.1 56.8 25 16.5 5.8 2.8 .0 .0 .0 .0 .0 .0 .0 .0 9.8 60.5 30 17.9 6.7 3.4 .0 .0 .0 .0 .0 .0 .0 .5 11.4 63.8 40 20.7 8.6 4.7 .0 .0 .0 .0 .0 .0 .0 1.7 14.9 70.3 50 23.5 10.7 6.2 .0 .0 .0 .0 .0 .0 .0 3.1 18.8 76.6 60 26.6 13.1 8.0 2.2 .0 .0 .0 .0 .0 .0 4.8 23.3 83.4 70 30.2 16.1 10.2 4.5 .0 .0 .0 .0 .0 .0 7.0 28.8 91.0 75 32.3 17.9 11.5 5.7 .0 .0 .0 .0 .0 .0 8.4 32.3 95.5 80 34.7 20.1 13.2 7.0 .0 .0 .0 .0 .0 .0 10.0 36.4 100.6 90 41.8 26.5 18.1 10.7 .0 .0 .0 .0 .0 .0 15.2 48.7 114.8 95 48.3 32.7 23.0 14.0 .0 .0 .0 .0 .0 .0 20.4 60.7 127.5 99 62.0 46.3 34.0 21.3 .8 .0 .0 .0 .0 .0 32.4 87.5 153.7