OLD MISSION 3 SSW DIVISION: 3 STATION #6158 DATE OF RUN COUNTY: GRAND TRAVERSE PERIOD ANALYSIS FOR 1981 -2000 ( 20 YEARS) 11/10/04 NUMBER OF DAYS WITH MINIMUM TEMPERATURE <= 32 F YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL 1981 30 23 28 14 10 0 0 0 1 9 21 29 165 1982 31 28 30 22 2 1 0 0 0 4 17 23 158 1983 29 23 23 14 9 0 0 0 0 6 20 31 155 1984 31 25 31 13 7 0 0 0 1 2 19 29 158 1985 31 26 26 17 3 1 0 0 0 4 18 31 157 1986 31 28 28 12 3 1 0 0 0 6 24 30 163 1987 31 27 24 12 5 0 0 0 0 7 14 28 148 1988 29 29 30 19 6 0 0 0 0 5 11 29 158 1989 31 28 29 21 8 0 0 0 2 5 21 31 176 1990 31 28 22 16 5 0 0 0 1 7 22 29 161 1991 31 27 25 14 3 0 0 0 0 2 22 27 151 1992 30 29 27 18 7 0 0 0 0 7 22 30 170 1993 30 28 30 21 6 1 0 0 1 3 18 28 166 1994 31 27 30 21 7 1 0 0 0 3 15 28 163 1995 30 28 25 18 4 0 0 0 1 2 26 31 165 1996 30 29 29 25 13 0 0 0 0 12 25 31 194 1997 31 28 31 22 13 0 0 0 0 10 24 30 189 1998 30 26 25 22 0 2 0 0 0 5 14 27 151 1999 31 27 30 15 3 0 0 0 1 6 17 29 159 2000 31 27 24 23 5 0 0 0 4 8 20 31 173 NON-ZERO 20 20 20 20 19 6 0 0 8 20 20 20 20 ZEROES 0 0 0 0 1 14 20 20 12 0 0 0 0 PROB OF ZERO .00 .00 .00 .00 .05 .70 1.00 1.00 .60 .00 .00 .00 .00 NOTE: STATISTICS ARE COMPUTED ON THE NON-ZERO VALUES NUMBER YEARS 20 20 20 20 20 20 20 20 20 20 20 20 20 MEAN 30.5 27.0 27.4 18.0 6.3 1.2 .0 .0 1.5 5.7 19.5 29.1 164.0 VARIANCE .5 3.0 8.2 16.3 10.4 .2 .0 .0 1.1 7.5 16.2 3.9 140.0 STND DEV .7 1.7 2.9 4.0 3.2 .4 .0 .0 1.1 2.7 4.0 2.0 11.8 SKEW -1.0 -1.2 -.3 .0 .8 1.8 .0 .0 1.9 .5 -.3 -1.5 1.1 KURTOSIS 2.8 3.7 1.7 1.7 2.8 4.2 .0 .0 4.9 2.8 2.4 5.5 3.9 NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS. OLD MISSION 3 SSW DIVISION: 3 STATION #6158 DATE OF RUN COUNTY: GRAND TRAVERSE PERIOD ANALYSIS FOR 1981 -2000 ( 20 YEARS) 11/10/04 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 20 20 20 20 20 20 20 20 20 20 20 20 20 MEAN 30.5 27.0 27.4 18.0 6.3 1.2 .0 .0 1.5 5.7 19.5 29.1 164.0 VARIANCE .5 3.0 8.2 16.3 10.4 .2 .0 .0 1.1 7.5 16.2 3.9 140.0 STND DEV .7 1.7 2.9 4.0 3.2 .4 .0 .0 1.1 2.7 4.0 2.0 11.8 SKEW -1.0 -1.2 -.3 .0 .8 1.8 .0 .0 1.9 .5 -.3 -1.5 1.1 KURTOSIS 2.8 3.7 1.7 1.7 2.8 4.2 .0 .0 4.9 2.8 2.4 5.5 3.9 SIGMA 27.522 999.000 18.148 14.504 6.199 .408 .000 .000 1.069 6.446 25.415 999.000 1.738 ETA 50.000 .000 6.950 3.600 1.765 1.000 .000 .000 1.000 2.200 6.950 .000 1.360 MU 3.285 999.000 10.380 4.880 .745 .758 .000 .000 .431 -.058 -4.265 999.000 14.809 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 .05 .70 1.00 1.00 .60 .00 .00 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 28 23 20 9 0 0 0 0 0 1 9 25 149 05 29 24 22 11 0 0 0 0 0 2 12 26 150 10 30 25 24 13 2 0 0 0 0 2 14 27 151 20 30 26 25 14 3 0 0 0 0 3 16 27 154 25 30 26 26 15 3 0 0 0 0 4 17 28 155 30 30 26 26 16 4 0 0 0 0 4 18 28 156 40 30 27 27 17 5 0 0 0 0 5 19 29 159 50 31 27 28 18 6 0 0 0 0 5 20 29 161 60 31 27 28 19 6 0 0 0 0 6 21 30 164 70 31 28 29 20 7 0 0 0 1 7 22 30 168 75 31 28 29 21 8 1 0 0 1 7 22 30 170 80 31 28 30 21 9 1 0 0 1 8 23 31 173 90 31 28 31 23 11 1 0 0 2 9 24 31 180 95 31 28 31 25 12 1 0 0 3 11 25 31 187 99 31 28 31 27 15 2 0 0 4 13 27 31 201