Monthly & annual total snowfall (Gamma)
BIG BAY 3 SE
DIVISION: 1 STATION #0770 DATE OF RUN
COUNTY: MARQUETTE PERIOD ANALYSIS FOR 1981 -1998 ( 16 YEARS) 11/17/04
SNOWFALL (INCHES)
YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
1981 32.5 25.5 22.7 .0 .0 .0 .0 .0 .0 4.5 8.0 45.2 138.4
1982 66.9 13.6 16.5 26.5 .0 .0 .0 .0 .0 4.5 23.0 23.5 174.5
1983 47.0 33.0 44.0 11.5 .0 .0 .0 .0 .0 .0 17.0 54.6 207.1
1984 44.0 26.0 38.5 3.1 .0 .0 .0 .0 .0 .0 10.8 32.0 154.4
1986 24.3 11.5 29.3 .5 .0 .0 .0 .0 .0 .0 16.7 10.1 92.4
1987 8.5 7.0 11.4 4.0 .0 .0 .0 .0 .0 .0 11.9 28.0 70.8
1988 24.8 9.4 21.5 2.6 .0 .0 .0 .0 .0 .3 8.4 30.9 97.9
1989 36.5 27.3 35.3 5.0 .0 .0 .0 .0 .0 .0 17.8 40.8 162.7
1990 12.5 30.3 10.0 5.0 8.0 .0 .0 .0 .0 7.0 2.1 20.0 94.9
1991 18.0 12.3 8.3 7.0 .0 .0 .0 .0 .0 1.0 37.6 22.0 106.2
1992 16.5 23.0 5.0 2.0 .0 .0 .0 .0 .0 2.8 29.6 38.7 117.6
1994 43.3 5.6 10.5 2.9 .0 .0 .0 .0 .0 .0 15.1 3.4 80.8
1995 31.5 27.8 32.8 10.4 .0 .0 .0 .0 .0 3.1 17.0 36.6 159.2
1996 34.8 28.0 28.8 16.8 3.7 .0 .0 .0 .0 .0 18.3 47.6 178.0
1997 47.0 13.0 27.6 2.7 1.3 .0 .0 .0 .0 4.5 24.7 25.3 146.1
1998 24.5 9.4 11.4 .0 .0 .0 .0 .0 .0 .0 2.6 24.8 72.7
NON-ZERO 16 16 16 14 3 0 0 0 0 8 16 16 16
ZEROES 0 0 0 2 13 16 16 16 16 8 0 0 0
PROB OF ZERO .00 .00 .00 .13 .81 1.00 1.00 1.00 1.00 .50 .00 .00 .00
NOTE: STATISTICS ARE COMPUTED ON THE NON-ZERO VALUES
NUMBER YEARS 16 16 16 16 16 16 16 16 16 16 16 16 16
MEAN 32.04 18.92 22.10 7.14 4.33 .00 .00 .00 .00 3.46 16.29 30.22 128.36
VARIANCE 233.63 88.82 145.94 50.92 11.52 .00 .00 .00 .00 4.63 88.34 183.26 1775.83
STND DEV 15.28 9.42 12.08 7.14 3.39 .00 .00 .00 .00 2.15 9.40 13.54 42.14
SKEW .46 .01 .22 1.64 .33 .00 .00 .00 .00 .01 .52 -.12 .19
KURTOSIS 2.83 1.39 1.80 4.91 1.50 .00 .00 .00 .00 2.27 3.01 2.57 1.84
NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS.
BIG BAY 3 SE
DIVISION: 1 STATION #0770 DATE OF RUN
COUNTY: MARQUETTE PERIOD ANALYSIS FOR 1981 -1998 ( 16 YEARS) 11/17/04
SNOWFALL (INCHES) STATISTICS
PARAMETER JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
NUMBER YEARS 16 16 16 16 16 16 16 16 16 16 16 16 16
MEAN 32.04 18.92 22.10 7.14 4.33 .00 .00 .00 .00 3.46 16.29 30.22 128.36
VARIANCE 233.63 88.82 145.94 50.92 11.52 .00 .00 .00 .00 4.63 88.34 183.26 1775.83
STND DEV 15.28 9.42 12.08 7.14 3.39 .00 .00 .00 .00 2.15 9.40 13.54 42.14
SKEW .46 .01 .22 1.64 .33 .00 .00 .00 .00 .01 .52 -.12 .19
KURTOSIS 2.83 1.39 1.80 4.91 1.50 .00 .00 .00 .00 2.27 3.01 2.57 1.84
GAMMA 4.207 3.697 3.074 1.319 999.000 .000 .000 .000 .000 1.735 2.412 3.429 9.572
BETA 7.616 5.117 7.190 5.415 999.000 .000 .000 .000 .000 1.996 6.752 8.813 13.409
PROB OF ZERO .00 .00 .00 .13 .81 1.00 1.00 1.00 1.00 .50 .00 .00 .00
LEVELS PROBABILITY PERCENTILE VALUES
01 7.0 3.6 3.3 .0 .0 .0 .0 .0 .0 .0 1.7 5.2 51.8
05 11.3 6.1 6.2 .0 .0 .0 .0 .0 .0 .0 3.6 9.2 68.5
10 14.3 7.9 8.3 .0 .0 .0 .0 .0 .0 .0 5.1 12.1 78.9
20 18.7 10.5 11.4 1.0 .0 .0 .0 .0 .0 .0 7.5 16.4 92.8
25 20.6 11.7 12.8 1.6 .0 .0 .0 .0 .0 .0 8.6 18.2 98.5
30 22.4 12.8 14.2 2.1 .0 .0 .0 .0 .0 .0 9.6 20.1 103.8
40 25.9 15.0 16.9 3.3 .0 .0 .0 .0 .0 .0 11.8 23.6 113.9
50 29.5 17.2 19.8 4.5 .0 .0 .0 .0 .0 .0 14.1 27.3 123.9
60 33.5 19.7 22.9 6.0 .0 .0 .0 .0 .0 1.3 16.7 31.4 134.5
70 38.1 22.6 26.6 7.9 .0 .0 .0 .0 .0 2.3 19.8 36.2 146.4
75 40.8 24.3 28.8 9.0 .0 .0 .0 .0 .0 2.8 21.6 39.1 153.4
80 43.9 26.3 31.4 10.4 .0 .0 .0 .0 .0 3.5 23.8 42.4 161.3
90 53.0 32.1 39.0 14.6 2.3 .0 .0 .0 .0 5.3 30.3 52.1 183.5
95 61.3 37.4 46.1 18.7 4.6 .0 .0 .0 .0 6.9 36.4 61.1 203.2
99 79.0 48.5 61.3 27.9 7.3 .0 .0 .0 .0 10.6 49.8 80.3 243.4
