ROGERS CITY DIVISION: 4 STATION #7094 DATE OF RUN COUNTY: PRESQUE ISLE PERIOD ANALYSIS FOR 1979 -2000 ( 22 YEARS) 11/10/04 EXTREME SNOWFALL YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL 1979 4.0 4.0 2.0 1.5 2.0 .0 .0 .0 .0 .0 2.0 3.0 20.6 1980 2.0 2.0 3.0 3.0 .0 .0 .0 .0 .0 1.0 3.0 6.0 21.1 1981 3.0 6.0 4.0 .0 .0 .0 .0 .0 .0 .0 3.0 6.0 16.7 1982 9.0 5.3 4.3 5.0 .0 .0 .0 .0 .0 .0 3.0 1.0 57.5 1983 5.0 4.0 2.5 2.0 .0 .0 .0 .0 .0 .0 2.0 6.0 38.0 1984 3.0 8.0 3.0 2.0 .0 .0 .0 .0 .0 .0 .5 3.3 30.9 1985 8.0 10.0 9.0 2.0 .0 .0 .0 .0 .0 .0 6.0 5.0 36.8 1986 3.0 2.5 3.0 .0 .0 .0 .0 .0 .0 .0 .5 4.0 16.8 1987 4.5 5.0 2.0 6.0 .0 .0 .0 .0 .0 .0 3.0 3.5 9.6 1988 4.0 8.0 9.5 2.5 .0 .0 .0 .0 .0 .0 1.8 4.0 23.6 1989 5.5 2.0 6.4 1.5 .0 .0 .0 .0 .0 .0 6.0 2.6 28.8 1990 7.7 2.7 1.0 4.0 .9 .0 .0 .0 .0 .0 5.0 8.0 25.8 1991 5.5 2.0 1.5 1.8 .0 .0 .0 .0 .0 .0 2.0 6.5 27.6 1992 3.0 6.0 4.0 11.0 .0 .0 .0 .0 .0 1.1 2.7 2.3 23.3 1993 3.5 3.0 1.5 3.0 .0 .0 .0 .0 .0 .5 2.5 2.8 15.6 1994 4.2 14.5 3.0 1.7 2.0 .0 .0 .0 .0 .0 3.0 1.5 32.6 1995 7.0 2.0 4.5 2.0 .0 .0 .0 .0 .0 .0 3.6 5.2 38.1 1996 8.5 3.0 4.0 1.3 .0 .0 .0 .0 .0 .5 3.0 5.0 26.5 1997 8.0 9.0 9.0 .6 .0 .0 .0 .0 .0 2.0 1.0 2.0 37.3 1998 8.0 1.0 9.0 .0 .0 .0 .0 .0 .0 .0 1.5 4.0 43.2 1999 8.0 3.0 3.0 .0 .0 .0 .0 .0 .0 .0 .5 3.0 25.8 2000 6.5 5.5 .0 .0 .0 .0 .0 .0 .0 .0 1.5 10.0 49.0 NON-ZERO 22 22 21 17 3 0 0 0 0 5 22 22 22 ZEROES 0 0 1 5 19 22 22 22 22 17 0 0 0 PROB OF ZERO .00 .00 .05 .23 .86 1.00 1.00 1.00 1.00 .77 .00 .00 .00 NOTE: STATISTICS ARE COMPUTED ON THE NON-ZERO VALUES NUMBER YEARS 22 22 22 22 22 22 22 22 22 22 22 22 22 MEAN 5.50 4.93 4.25 2.99 1.63 .00 .00 .00 .00 1.02 2.60 4.30 29.33 VARIANCE 4.91 10.91 7.34 6.16 .40 .00 .00 .00 .00 .38 2.42 4.76 133.38 STND DEV 2.21 3.30 2.71 2.48 .64 .00 .00 .00 .00 .61 1.56 2.18 11.55 SKEW .11 1.25 .94 2.18 -.71 .00 .00 .00 .00 .80 .76 .79 .60 KURTOSIS 1.56 4.25 2.54 7.47 1.50 .00 .00 .00 .00 2.35 3.17 3.38 3.04 NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS. ROGERS CITY DIVISION: 4 STATION #7094 DATE OF RUN COUNTY: PRESQUE ISLE PERIOD ANALYSIS FOR 1979 -2000 ( 22 YEARS) 11/10/04 EXTREME SNOWFALL STATISTICS PARAMETER JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL NUMBER YEARS 22 22 22 22 22 22 22 22 22 22 22 22 22 MEAN 5.50 4.93 4.25 2.99 1.63 .00 .00 .00 .00 1.02 2.60 4.30 29.33 VARIANCE 4.91 10.91 7.34 6.16 .40 .00 .00 .00 .00 .38 2.42 4.76 133.38 STND DEV 2.21 3.30 2.71 2.48 .64 .00 .00 .00 .00 .61 1.56 2.18 11.55 SKEW .11 1.25 .94 2.18 -.71 .00 .00 .00 .00 .80 .76 .79 .60 KURTOSIS 1.56 4.25 2.54 7.47 1.50 .00 .00 .00 .00 2.35 3.17 3.38 3.04 GAMMA 5.948 2.625 2.818 2.340 999.000 .000 .000 .000 .000 999.000 2.543 3.957 6.579 BETA .924 1.879 1.507 1.279 999.000 .000 .000 .000 .000 999.000 1.021 1.088 4.458 PROB OF ZERO .00 .00 .05 .23 .86 1.00 1.00 1.00 1.00 .77 .00 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 1.6 .6 .0 .0 .0 .0 .0 .0 .0 .0 .3 .9 9.3 05 2.4 1.2 .4 .0 .0 .0 .0 .0 .0 .0 .6 1.5 13.4 10 2.9 1.6 1.2 .0 .0 .0 .0 .0 .0 .0 .8 1.9 16.0 20 3.6 2.4 1.9 .0 .0 .0 .0 .0 .0 .0 1.2 2.5 19.5 25 3.9 2.7 2.2 .5 .0 .0 .0 .0 .0 .0 1.4 2.7 21.0 30 4.1 3.0 2.5 .9 .0 .0 .0 .0 .0 .0 1.6 3.0 22.4 40 4.7 3.6 3.0 1.4 .0 .0 .0 .0 .0 .0 1.9 3.4 25.1 50 5.2 4.3 3.6 2.0 .0 .0 .0 .0 .0 .0 2.3 3.9 27.9 60 5.8 5.1 4.3 2.5 .0 .0 .0 .0 .0 .0 2.7 4.5 30.8 70 6.4 6.0 5.0 3.1 .0 .0 .0 .0 .0 .0 3.1 5.1 34.1 75 6.8 6.5 5.5 3.5 .0 .0 .0 .0 .0 .0 3.4 5.5 36.0 80 7.2 7.1 6.0 3.9 .0 .0 .0 .0 .0 .3 3.8 5.9 38.3 90 8.5 9.0 7.5 5.2 .7 .0 .0 .0 .0 .9 4.8 7.2 44.6 95 9.6 10.7 8.9 6.3 1.4 .0 .0 .0 .0 1.1 5.7 8.3 50.3 99 11.7 14.5 11.9 8.9 1.9 .0 .0 .0 .0 1.8 7.8 10.5 62.0