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 <= 32 F YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL 1981 31 25 29 22 16 0 0 0 3 15 22 31 194 1982 31 28 27 24 5 1 0 0 1 7 25 29 178 1983 31 26 28 27 15 0 0 0 0 11 20 31 189 1984 31 28 31 19 10 0 0 0 4 8 26 29 186 1986 31 28 27 12 3 0 0 0 1 10 27 31 170 1987 30 28 27 16 6 0 0 0 0 11 24 30 172 1988 31 29 30 23 9 1 0 0 0 14 22 31 190 1989 30 28 29 26 12 0 0 0 2 9 28 31 195 1990 31 28 28 18 13 1 0 0 0 12 25 31 187 1991 31 27 30 19 9 0 0 0 4 15 26 30 191 1992 31 29 30 23 7 0 0 0 2 15 28 31 196 1994 31 27 29 22 11 0 0 0 0 2 17 30 169 1995 31 28 30 27 3 1 0 0 1 5 30 31 187 1996 31 29 29 26 19 0 0 0 0 7 27 31 199 1997 31 28 30 25 17 0 0 0 0 14 26 31 202 1998 31 25 28 22 7 1 0 0 0 6 23 30 173 NON-ZERO 16 16 16 16 16 5 0 0 8 16 16 16 16 ZEROES 0 0 0 0 0 11 16 16 8 0 0 0 0 PROB OF ZERO .00 .00 .00 .00 .00 .69 1.00 1.00 .50 .00 .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 30.9 27.6 28.9 21.9 10.1 1.0 .0 .0 2.3 10.1 24.8 30.5 186.1 VARIANCE .1 1.6 1.6 17.8 24.3 .0 .0 .0 1.6 16.1 11.0 .5 113.1 STND DEV .3 1.3 1.3 4.2 4.9 .0 .0 .0 1.3 4.0 3.3 .7 10.6 SKEW -2.3 -1.0 -.2 -.8 .2 .0 .0 .0 .4 -.3 -.7 -1.1 -.4 KURTOSIS 6.1 2.9 1.9 3.0 2.0 .0 .0 .0 1.6 2.1 3.1 2.8 1.9 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 <= 32 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 30.9 27.6 28.9 21.9 10.1 1.0 .0 .0 2.3 10.1 24.8 30.5 186.1 VARIANCE .1 1.6 1.6 17.8 24.3 .0 .0 .0 1.6 16.1 11.0 .5 113.1 STND DEV .3 1.3 1.3 4.2 4.9 .0 .0 .0 1.3 4.0 3.3 .7 10.6 SKEW -2.3 -1.0 -.2 -.8 .2 .0 .0 .0 .4 -.3 -.7 -1.1 -.4 KURTOSIS 6.1 2.9 1.9 3.0 2.0 .0 .0 .0 1.6 2.1 3.1 2.8 1.9 SIGMA 999.000 50.517 4.526 36.857 17.712 999.000 .000 .000 3.016 25.339 28.977 29.204 6.722 ETA .000 50.000 3.600 10.000 3.600 999.000 .000 .000 2.200 6.950 10.000 50.000 6.950 MU 999.000 -22.391 24.797 -13.126 -5.836 999.000 .000 .000 -.421 -13.632 -2.817 1.622 12.326 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 .100 TRANS FACTOR .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 PROB OF ZERO .00 .00 .00 .00 .00 .69 1.00 1.00 .50 .00 .00 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 30 24 26 10 0 0 0 0 0 0 15 28 158 05 30 25 27 14 2 0 0 0 0 3 19 29 167 10 30 26 27 16 4 0 0 0 0 5 20 30 172 20 31 27 28 19 6 0 0 0 0 7 22 30 177 25 31 27 28 19 7 0 0 0 0 8 23 30 179 30 31 27 28 20 7 0 0 0 0 8 23 30 181 40 31 27 29 21 9 0 0 0 0 9 24 30 184 50 31 28 29 22 10 0 0 0 0 10 25 31 187 60 31 28 29 23 11 0 0 0 1 11 26 31 190 70 31 28 30 24 13 0 0 0 2 12 27 31 192 75 31 28 30 25 14 1 0 0 2 13 27 31 194 80 31 28 30 26 14 1 0 0 2 14 28 31 195 90 31 28 31 27 16 1 0 0 3 15 29 31 199 95 31 28 31 28 18 1 0 0 4 16 30 31 202 99 31 28 31 30 21 1 0 0 5 18 30 31 207