BIG BAY 3 SE DIVISION: 1 STATION #0770 DATE OF RUN COUNTY: MARQUETTE PERIOD ANALYSIS FOR 1981 -1998 ( 16 YEARS) 11/17/04 NUMBER OF DAYS WITH MINIMUM TEMPERATURE <= 0 F YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL 1981 7 8 1 0 0 0 0 0 0 0 0 1 17 1982 14 13 3 0 0 0 0 0 0 0 0 1 31 1983 1 4 0 0 0 0 0 0 0 0 0 12 17 1984 12 0 7 0 0 0 0 0 0 0 0 3 22 1986 4 2 3 0 0 0 0 0 0 0 0 0 9 1987 3 0 0 0 0 0 0 0 0 0 0 0 3 1988 6 8 3 0 0 0 0 0 0 0 0 3 20 1989 2 10 12 0 0 0 0 0 0 0 0 7 31 1990 0 4 3 0 0 0 0 0 0 0 0 7 14 1991 8 5 0 0 0 0 0 0 0 0 0 2 15 1992 6 1 0 0 0 0 0 0 0 0 0 2 9 1994 17 12 0 0 0 0 0 0 0 0 0 0 29 1995 4 3 1 0 0 0 0 0 0 0 0 4 12 1996 9 13 9 0 0 0 0 0 0 0 0 3 34 1997 10 5 5 0 0 0 0 0 0 0 0 0 20 1998 5 2 1 0 0 0 0 0 0 0 0 3 11 NON-ZERO 15 14 11 0 0 0 0 0 0 0 0 12 16 ZEROES 1 2 5 16 16 16 16 16 16 16 16 4 0 PROB OF ZERO .06 .13 .31 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 .25 .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 7.2 6.4 4.4 .0 .0 .0 .0 .0 .0 .0 .0 4.0 18.4 VARIANCE 20.6 17.8 12.9 .0 .0 .0 .0 .0 .0 .0 .0 10.2 82.4 STND DEV 4.5 4.2 3.6 .0 .0 .0 .0 .0 .0 .0 .0 3.2 9.1 SKEW .7 .4 1.0 .0 .0 .0 .0 .0 .0 .0 .0 1.4 .3 KURTOSIS 2.7 1.8 2.9 .0 .0 .0 .0 .0 .0 .0 .0 4.3 2.1 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 NUMBER OF DAYS WITH MINIMUM TEMPERATURE <= 0 F 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 7.2 6.4 4.4 .0 .0 .0 .0 .0 .0 .0 .0 4.0 18.4 VARIANCE 20.6 17.8 12.9 .0 .0 .0 .0 .0 .0 .0 .0 10.2 82.4 STND DEV 4.5 4.2 3.6 .0 .0 .0 .0 .0 .0 .0 .0 3.2 9.1 SKEW .7 .4 1.0 .0 .0 .0 .0 .0 .0 .0 .0 1.4 .3 KURTOSIS 2.7 1.8 2.9 .0 .0 .0 .0 .0 .0 .0 .0 4.3 2.1 SIGMA 9.549 9.929 6.883 .000 .000 .000 .000 .000 .000 .000 .000 4.686 21.359 ETA 1.945 2.200 1.765 .000 .000 .000 .000 .000 .000 .000 .000 1.360 2.200 MU -1.267 -2.365 -1.763 .000 .000 .000 .000 .000 .000 .000 .000 -.291 -.541 SCALE FACTOR 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 TRANS FACTOR .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 PROB OF ZERO .06 .13 .31 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 .25 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 0 0 0 0 0 0 0 0 0 0 0 0 2 05 0 0 0 0 0 0 0 0 0 0 0 0 5 10 1 0 0 0 0 0 0 0 0 0 0 0 7 20 2 1 0 0 0 0 0 0 0 0 0 0 10 25 3 2 0 0 0 0 0 0 0 0 0 0 12 30 4 3 0 0 0 0 0 0 0 0 0 0 13 40 5 4 0 0 0 0 0 0 0 0 0 1 15 50 6 5 2 0 0 0 0 0 0 0 0 2 18 60 8 7 3 0 0 0 0 0 0 0 0 3 20 70 9 8 4 0 0 0 0 0 0 0 0 4 23 75 10 9 5 0 0 0 0 0 0 0 0 5 24 80 11 9 6 0 0 0 0 0 0 0 0 5 26 90 13 12 8 0 0 0 0 0 0 0 0 8 31 95 15 14 10 0 0 0 0 0 0 0 0 9 35 99 20 17 14 0 0 0 0 0 0 0 0 13 42