ROGERS CITY DIVISION: 4 STATION #7094 DATE OF RUN COUNTY: PRESQUE ISLE PERIOD ANALYSIS FOR 1979 -2000 ( 22 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 1979 31 28 24 16 8 0 0 0 2 15 18 29 171 1980 30 29 31 17 1 0 0 0 4 11 26 29 178 1981 31 25 28 14 5 0 0 0 5 16 27 31 182 1982 31 28 30 24 0 1 0 0 0 7 24 25 170 1983 30 26 26 25 9 3 0 0 0 12 23 31 185 1984 31 29 31 14 3 0 0 0 1 3 18 27 157 1985 31 27 28 16 2 0 0 0 0 4 19 31 158 1986 31 28 27 12 4 0 0 0 0 7 23 30 162 1987 30 28 27 9 4 0 0 0 0 10 18 29 155 1988 30 29 29 19 4 0 0 0 0 9 18 30 168 1989 31 28 28 21 5 0 0 0 2 5 23 31 174 1990 31 28 27 20 5 0 0 0 0 6 21 29 167 1991 31 27 29 14 3 0 0 0 2 6 22 30 164 1992 29 29 29 21 7 0 0 0 1 17 21 28 182 1993 31 28 30 24 1 0 0 0 1 8 25 29 177 1994 31 27 31 19 3 0 0 0 0 2 17 27 157 1995 30 28 27 20 0 0 0 0 0 3 26 31 165 1996 31 29 29 22 9 0 0 0 0 7 25 30 182 1997 31 28 29 19 7 0 0 0 0 9 25 31 179 1998 30 25 26 13 0 0 0 0 0 4 14 26 138 1999 30 28 27 9 2 0 0 0 0 8 14 28 146 2000 30 25 23 21 3 0 0 0 2 6 18 31 159 NON-ZERO 22 22 22 22 19 2 0 0 9 22 22 22 22 ZEROES 0 0 0 0 3 20 22 22 13 0 0 0 0 PROB OF ZERO .00 .00 .00 .00 .14 .91 1.00 1.00 .59 .00 .00 .00 .00 NOTE: STATISTICS ARE COMPUTED ON THE NON-ZERO VALUES NUMBER YEARS 22 22 22 22 22 22 22 22 22 22 22 22 22 MEAN 30.5 27.6 28.0 17.7 4.5 2.0 .0 .0 2.2 8.0 21.1 29.2 167.1 VARIANCE .4 1.7 4.5 21.6 6.3 2.0 .0 .0 1.9 17.5 15.2 3.1 154.7 STND DEV .6 1.3 2.1 4.6 2.5 1.4 .0 .0 1.4 4.2 3.9 1.8 12.4 SKEW -.9 -.9 -.6 -.3 .5 .0 .0 .0 1.1 .7 -.3 -.8 -.5 KURTOSIS 2.8 2.9 3.0 2.2 2.2 1.0 .0 .0 2.8 2.7 2.0 2.8 2.6 NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS. ROGERS CITY DIVISION: 4 STATION #7094 DATE OF RUN COUNTY: PRESQUE ISLE PERIOD ANALYSIS FOR 1979 -2000 ( 22 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 22 22 22 22 22 22 22 22 22 22 22 22 22 MEAN 30.5 27.6 28.0 17.7 4.5 2.0 .0 .0 2.2 8.0 21.1 29.2 167.1 VARIANCE .4 1.7 4.5 21.6 6.3 2.0 .0 .0 1.9 17.5 15.2 3.1 154.7 STND DEV .6 1.3 2.1 4.6 2.5 1.4 .0 .0 1.4 4.2 3.9 1.8 12.4 SKEW -.9 -.9 -.6 -.3 .5 .0 .0 .0 1.1 .7 -.3 -.8 -.5 KURTOSIS 2.8 2.9 3.0 2.2 2.2 1.0 .0 .0 2.8 2.7 2.0 2.8 2.6 SIGMA 23.825 51.860 18.485 29.358 5.889 999.000 .000 .000 2.048 8.794 24.626 15.473 7.863 ETA 50.000 50.000 10.000 6.950 2.200 999.000 .000 .000 1.360 1.945 6.950 10.000 6.950 MU 6.986 -23.690 10.415 -9.770 -.742 999.000 .000 .000 .347 .156 -1.891 14.507 9.357 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 .14 .91 1.00 1.00 .59 .00 .00 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 29 24 22 5 0 0 0 0 0 1 11 24 134 05 29 25 24 9 0 0 0 0 0 2 14 26 145 10 30 26 25 11 0 0 0 0 0 3 16 27 150 20 30 27 26 14 1 0 0 0 0 4 18 28 157 25 30 27 27 15 2 0 0 0 0 5 19 28 159 30 30 27 27 16 2 0 0 0 0 5 19 28 161 40 30 27 28 17 3 0 0 0 0 6 20 29 165 50 31 28 28 18 4 0 0 0 0 7 21 29 168 60 31 28 29 19 4 0 0 0 0 9 22 30 171 70 31 28 29 20 5 0 0 0 1 10 23 30 174 75 31 28 30 21 6 0 0 0 2 11 24 30 176 80 31 28 30 22 6 0 0 0 2 11 24 31 178 90 31 28 31 23 8 0 0 0 3 14 26 31 182 95 31 28 31 25 9 1 0 0 4 16 27 31 186 99 31 28 31 27 11 3 0 0 6 19 29 31 192