ONTONAGON 6 SE DIVISION: 1 STATION #6220 DATE OF RUN COUNTY: ONTONAGON PERIOD ANALYSIS FOR 1978 -2000 ( 23 YEARS) 11/10/04 EXTREME SNOWFALL YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL 1978 9.0 5.0 4.5 .7 .0 .0 .0 .0 .0 .0 6.0 5.5 64.1 1979 9.5 4.5 12.0 1.0 1.0 .0 .0 .0 .0 5.0 7.0 5.0 72.2 1980 12.0 4.5 4.0 4.0 .0 .0 .0 .0 .0 1.0 7.0 5.5 56.2 1981 9.0 9.0 4.0 5.0 .5 .0 .0 .0 .0 4.0 4.5 15.0 76.5 1982 11.0 3.5 2.5 6.0 .0 .0 .0 .0 .0 6.0 10.0 9.0 80.0 1983 7.0 14.0 11.0 4.0 .0 .0 .0 .0 .0 .0 6.0 12.0 79.8 1984 5.0 6.0 7.0 6.0 3.0 .0 .0 .0 .0 .5 3.0 7.0 60.5 1985 9.0 5.0 10.0 4.0 .0 .0 .0 .0 .0 .0 9.0 12.0 98.0 1986 6.0 10.0 9.0 2.0 .0 .0 .0 .0 .0 .0 7.0 10.0 45.5 1987 7.0 6.0 7.0 8.0 .0 .0 .0 .0 .0 .0 3.0 7.0 36.0 1988 9.0 9.0 8.0 1.0 .0 .0 .0 .0 .0 .0 11.0 10.0 93.0 1989 11.0 8.0 7.0 2.0 2.0 .0 .0 .0 .0 2.0 8.0 8.0 98.5 1990 6.0 6.0 4.0 3.0 3.0 .0 .0 .0 .0 6.0 4.0 6.0 39.0 1991 5.0 5.5 3.5 4.5 .0 .0 .0 .0 .0 1.0 12.0 5.0 69.0 1992 6.5 8.5 1.0 3.0 .0 .0 .0 .0 .0 3.0 10.0 9.0 51.5 1993 7.0 6.0 4.0 4.0 .0 .0 .0 .0 .0 2.5 7.0 14.0 56.0 1994 7.0 3.5 11.0 9.0 .0 .0 .0 .0 .0 .0 8.0 5.0 55.5 1995 12.0 9.0 6.0 3.0 .0 .0 .0 .0 2.0 4.0 4.0 13.0 69.5 1996 12.0 7.0 20.0 9.0 2.0 .0 .0 .0 .0 4.0 4.0 12.5 70.5 1997 10.0 2.0 14.0 3.0 13.0 .0 .0 .0 .0 1.0 6.5 6.5 78.5 1998 6.0 2.5 4.5 .0 .0 .0 .0 .0 .0 .0 3.5 6.5 47.0 1999 10.0 9.0 4.0 .0 .0 .0 .0 .0 .0 .0 2.0 7.0 62.3 2000 7.0 5.0 .0 2.5 .0 .0 .0 .0 .0 .1 5.0 7.5 77.5 NON-ZERO 23 23 22 21 7 0 0 0 1 14 23 23 23 ZEROES 0 0 1 2 16 23 23 23 22 9 0 0 0 PROB OF ZERO .00 .00 .04 .09 .70 1.00 1.00 1.00 .96 .39 .00 .00 .00 NOTE: STATISTICS ARE COMPUTED ON THE NON-ZERO VALUES NUMBER YEARS 23 23 23 23 23 23 23 23 23 23 23 23 23 MEAN 8.39 6.46 7.18 4.03 3.50 .00 .00 .00 2.00 2.86 6.41 8.61 66.81 VARIANCE 5.18 7.77 19.77 5.92 18.42 .00 .00 .00 .00 4.05 7.54 9.77 301.53 STND DEV 2.28 2.79 4.45 2.43 4.29 .00 .00 .00 .00 2.01 2.75 3.13 17.36 SKEW .19 .70 1.16 .73 1.84 .00 .00 .00 .00 .21 .33 .60 .11 KURTOSIS 1.79 3.48 4.20 2.75 4.74 .00 .00 .00 .00 1.75 2.21 2.09 2.34 NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS. ONTONAGON 6 SE DIVISION: 1 STATION #6220 DATE OF RUN COUNTY: ONTONAGON PERIOD ANALYSIS FOR 1978 -2000 ( 23 YEARS) 11/10/04 EXTREME SNOWFALL STATISTICS PARAMETER JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL NUMBER YEARS 23 23 23 23 23 23 23 23 23 23 23 23 23 MEAN 8.39 6.46 7.18 4.03 3.50 .00 .00 .00 2.00 2.86 6.41 8.61 66.81 VARIANCE 5.18 7.77 19.77 5.92 18.42 .00 .00 .00 .00 4.05 7.54 9.77 301.53 STND DEV 2.28 2.79 4.45 2.43 4.29 .00 .00 .00 .00 2.01 2.75 3.13 17.36 SKEW .19 .70 1.16 .73 1.84 .00 .00 .00 .00 .21 .33 .60 .11 KURTOSIS 1.79 3.48 4.20 2.75 4.74 .00 .00 .00 .00 1.75 2.21 2.09 2.34 GAMMA 13.952 5.442 2.814 2.639 1.196 .000 .000 .000 999.000 1.378 5.288 8.370 14.729 BETA .601 1.186 2.553 1.528 2.928 .000 .000 .000 999.000 2.079 1.213 1.029 4.536 PROB OF ZERO .00 .00 .04 .09 .70 1.00 1.00 1.00 .96 .39 .00 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 4.1 1.8 .0 .0 .0 .0 .0 .0 .0 .0 1.7 3.2 33.1 05 5.1 2.7 .8 .0 .0 .0 .0 .0 .0 .0 2.6 4.4 41.0 10 5.7 3.3 2.0 .6 .0 .0 .0 .0 .0 .0 3.2 5.1 45.7 20 6.5 4.1 3.2 1.5 .0 .0 .0 .0 .0 .0 4.0 6.1 51.9 25 6.8 4.4 3.7 1.8 .0 .0 .0 .0 .0 .0 4.4 6.5 54.4 30 7.1 4.8 4.2 2.1 .0 .0 .0 .0 .0 .0 4.7 6.8 56.7 40 7.6 5.4 5.1 2.7 .0 .0 .0 .0 .0 .1 5.4 7.6 61.0 50 8.2 6.1 6.1 3.3 .0 .0 .0 .0 .0 .8 6.0 8.3 65.3 60 8.8 6.8 7.2 3.9 .0 .0 .0 .0 .0 1.5 6.7 9.0 69.7 70 9.4 7.6 8.5 4.7 .1 .0 .0 .0 .0 2.2 7.5 9.9 74.7 75 9.8 8.0 9.2 5.1 .9 .0 .0 .0 .0 2.7 8.0 10.4 77.6 80 10.2 8.6 10.1 5.6 1.7 .0 .0 .0 .0 3.3 8.6 11.0 80.8 90 11.3 10.2 12.7 7.2 4.0 .0 .0 .0 .0 4.9 10.1 12.6 89.8 95 12.3 11.6 15.1 8.6 6.2 .0 .0 .0 .0 6.5 11.6 14.0 97.6 99 14.2 14.5 20.2 11.7 11.1 .0 .0 .0 1.5 10.2 14.6 17.0 113.2