FRANKFORT 2 NE DIVISION: 3 STATION #2984 DATE OF RUN COUNTY: BENZIE PERIOD ANALYSIS FOR 1971 -2000 ( 30 YEARS) 11/09/04 NUMBER OF DAYS WITH MINIMUM TEMPERATURE <= 32 F YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL 1971 31 27 31 16 5 0 0 0 0 0 17 28 155 1972 30 29 30 18 4 0 0 0 0 9 18 31 169 1973 29 28 17 10 4 0 0 0 0 0 13 27 128 1974 31 27 28 17 4 0 0 0 0 8 12 31 158 1975 29 27 28 20 0 0 0 0 0 2 14 30 150 1976 31 28 23 13 6 0 0 0 1 7 24 31 164 1977 31 28 21 13 3 0 0 0 0 4 18 27 145 1978 31 28 30 19 3 0 0 0 0 5 19 31 166 1979 31 28 24 14 3 1 0 0 0 2 13 27 143 1980 29 29 31 14 0 0 0 0 0 4 20 29 156 1981 31 22 28 12 3 0 0 0 0 7 17 30 150 1982 31 28 29 20 0 0 0 0 0 3 17 25 153 1983 30 23 24 20 4 0 0 0 0 3 20 31 155 1984 31 24 30 9 2 0 0 0 2 1 17 30 146 1985 31 26 24 13 0 0 0 0 0 2 18 31 145 1986 30 28 25 9 2 0 0 0 0 3 19 31 147 1987 30 28 22 6 0 0 0 0 0 3 14 27 130 1988 28 29 27 9 0 0 0 0 0 7 11 30 141 1989 29 28 27 15 6 0 0 0 1 3 19 31 159 1990 29 28 21 15 3 0 0 0 0 2 17 27 142 1991 31 25 24 7 0 0 0 0 1 4 22 28 142 1992 28 29 27 16 4 0 0 0 1 4 20 30 159 1993 30 28 27 18 0 0 0 0 0 5 20 24 152 1994 31 26 27 13 2 0 0 0 0 1 10 24 134 1995 29 28 21 15 0 0 0 0 0 1 25 30 149 1996 30 27 28 21 3 0 0 0 0 3 23 31 166 1997 30 27 28 16 4 0 0 0 0 5 19 25 154 1998 29 19 23 7 0 0 0 0 0 0 10 21 109 1999 30 25 24 8 0 0 0 0 0 3 9 25 124 2000 30 22 18 10 0 0 0 0 1 1 14 31 127 NON-ZERO 30 30 30 30 18 1 0 0 6 27 30 30 30 ZEROES 0 0 0 0 12 29 30 30 24 3 0 0 0 PROB OF ZERO .00 .00 .00 .00 .40 .97 1.00 1.00 .80 .10 .00 .00 .00 NOTE: STATISTICS ARE COMPUTED ON THE NON-ZERO VALUES NUMBER YEARS 30 30 30 30 30 30 30 30 30 30 30 30 30 MEAN 30.0 26.6 25.6 13.8 3.6 1.0 .0 .0 1.2 3.8 17.0 28.5 147.3 VARIANCE .9 6.0 13.8 18.9 1.4 .0 .0 .0 .2 4.9 17.6 7.6 191.2 STND DEV 1.0 2.4 3.7 4.4 1.2 .0 .0 .0 .4 2.2 4.2 2.8 13.8 SKEW -.5 -1.5 -.5 -.1 .6 .0 .0 .0 1.8 .8 -.2 -.9 -.8 KURTOSIS 2.2 4.7 2.5 2.0 2.7 .0 .0 .0 4.2 2.7 2.3 2.9 3.4 NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS. FRANKFORT 2 NE DIVISION: 3 STATION #2984 DATE OF RUN COUNTY: BENZIE PERIOD ANALYSIS FOR 1971 -2000 ( 30 YEARS) 11/09/04 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 30 30 30 30 30 30 30 30 30 30 30 30 30 MEAN 30.0 26.6 25.6 13.8 3.6 1.0 .0 .0 1.2 3.8 17.0 28.5 147.3 VARIANCE .9 6.0 13.8 18.9 1.4 .0 .0 .0 .2 4.9 17.6 7.6 191.2 STND DEV 1.0 2.4 3.7 4.4 1.2 .0 .0 .0 .4 2.2 4.2 2.8 13.8 SKEW -.5 -1.5 -.5 -.1 .6 .0 .0 .0 1.8 .8 -.2 -.9 -.8 KURTOSIS 2.2 4.7 2.5 2.0 2.7 .0 .0 .0 4.2 2.7 2.3 2.9 3.4 SIGMA 6.097 999.000 23.521 15.655 2.812 999.000 .000 .000 .408 4.270 15.098 110.509 12.082 ETA 6.950 .000 6.950 3.600 2.200 999.000 .000 .000 1.000 1.765 3.600 50.000 10.000 MU 24.332 999.000 3.572 -.340 1.121 999.000 .000 .000 .758 -.024 3.362 -80.809 3.232 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 .40 .97 1.00 1.00 .80 .10 .00 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 27 21 16 4 0 0 0 0 0 0 8 20 109 05 28 23 19 7 0 0 0 0 0 0 10 23 122 10 29 24 21 8 0 0 0 0 0 0 11 25 129 20 29 25 23 10 0 0 0 0 0 1 13 26 136 25 29 25 23 11 0 0 0 0 0 2 14 27 139 30 30 25 24 11 0 0 0 0 0 2 15 27 141 40 30 26 25 13 0 0 0 0 0 3 16 28 145 50 30 27 26 14 2 0 0 0 0 3 17 29 149 60 30 27 27 15 3 0 0 0 0 4 18 30 152 70 31 28 28 16 4 0 0 0 0 4 19 30 155 75 31 28 28 17 4 0 0 0 0 5 20 30 157 80 31 28 29 18 4 0 0 0 0 5 21 31 159 90 31 28 30 19 5 0 0 0 1 7 22 31 164 95 31 28 31 21 5 0 0 0 1 8 24 31 167 99 31 28 31 24 6 1 0 0 2 10 26 31 173