SAINT IGNACE DIVISION: 2 STATION #7274 DATE OF RUN COUNTY: MACKINAC PERIOD ANALYSIS FOR 1981 -2000 ( 20 YEARS) 11/10/04 NUMBER OF DAYS WITH MAXIMUM TEMPERATURE <= 32 F YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL 1981 25 14 10 0 0 0 0 0 0 0 1 16 66 1982 31 22 12 4 0 0 0 0 0 0 3 13 85 1983 17 14 5 0 0 0 0 0 0 0 3 28 67 1984 28 10 12 0 0 0 0 0 0 0 4 9 63 1985 31 20 7 1 0 0 0 0 0 0 6 24 89 1986 23 24 8 0 0 0 0 0 0 0 4 9 68 1987 16 8 7 1 0 0 0 0 0 0 3 9 44 1988 21 21 11 0 0 0 0 0 0 0 1 18 72 1989 15 26 16 1 0 0 0 0 0 0 8 29 95 1990 14 17 12 0 0 0 0 0 0 0 0 12 55 1991 28 16 7 0 0 0 0 0 0 0 8 13 72 1992 19 24 11 1 0 0 0 0 0 0 7 11 73 1993 22 23 13 1 0 0 0 0 0 0 4 14 77 1994 31 24 8 1 0 0 0 0 0 0 1 7 72 1995 25 23 7 1 0 0 0 0 0 0 13 27 96 1996 24 21 15 4 0 0 0 0 0 0 11 17 92 1997 26 22 15 2 0 0 0 0 0 0 4 8 77 1998 23 8 11 0 0 0 0 0 0 0 0 11 53 1999 22 12 7 0 0 0 0 0 0 0 0 10 51 2000 21 18 2 0 0 0 0 0 0 0 4 24 69 NON-ZERO 20 20 20 10 0 0 0 0 0 0 17 20 20 ZEROES 0 0 0 10 20 20 20 20 20 20 3 0 0 PROB OF ZERO .00 .00 .00 .50 1.00 1.00 1.00 1.00 1.00 1.00 .15 .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 23.1 18.4 9.8 1.7 .0 .0 .0 .0 .0 .0 5.0 15.4 71.8 VARIANCE 27.1 32.1 13.2 1.6 .0 .0 .0 .0 .0 .0 11.8 51.4 213.4 STND DEV 5.2 5.7 3.6 1.3 .0 .0 .0 .0 .0 .0 3.4 7.2 14.6 SKEW -.1 -.6 -.1 1.3 .0 .0 .0 .0 .0 .0 .9 .7 -.0 KURTOSIS 2.1 2.0 2.4 2.9 .0 .0 .0 .0 .0 .0 3.1 2.1 2.3 NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS. SAINT IGNACE DIVISION: 2 STATION #7274 DATE OF RUN COUNTY: MACKINAC PERIOD ANALYSIS FOR 1981 -2000 ( 20 YEARS) 11/10/04 NUMBER OF DAYS WITH MAXIMUM 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 23.1 18.4 9.8 1.7 .0 .0 .0 .0 .0 .0 5.0 15.4 71.8 VARIANCE 27.1 32.1 13.2 1.6 .0 .0 .0 .0 .0 .0 11.8 51.4 213.4 STND DEV 5.2 5.7 3.6 1.3 .0 .0 .0 .0 .0 .0 3.4 7.2 14.6 SKEW -.1 -.6 -.1 1.3 .0 .0 .0 .0 .0 .0 .9 .7 -.0 KURTOSIS 2.1 2.0 2.4 2.9 .0 .0 .0 .0 .0 .0 3.1 2.1 2.3 SIGMA 18.741 49.527 13.078 1.838 .000 .000 .000 .000 .000 .000 6.580 13.765 52.548 ETA 3.600 10.000 3.600 1.360 .000 .000 .000 .000 .000 .000 1.765 1.765 3.600 MU 6.213 -28.767 -1.985 .017 .000 .000 .000 .000 .000 .000 -.858 3.197 24.449 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 .00 .00 .00 .50 1.00 1.00 1.00 1.00 1.00 1.00 .15 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 11 2 2 0 0 0 0 0 0 0 0 4 39 05 14 8 4 0 0 0 0 0 0 0 0 6 47 10 16 11 5 0 0 0 0 0 0 0 0 7 53 20 19 14 7 0 0 0 0 0 0 0 0 9 59 25 19 15 7 0 0 0 0 0 0 0 1 10 62 30 20 16 8 0 0 0 0 0 0 0 2 11 64 40 22 18 9 0 0 0 0 0 0 0 3 13 68 50 23 19 10 0 0 0 0 0 0 0 4 14 72 60 25 20 11 1 0 0 0 0 0 0 5 16 76 70 26 22 12 1 0 0 0 0 0 0 6 18 80 75 27 22 12 1 0 0 0 0 0 0 7 20 82 80 28 23 13 2 0 0 0 0 0 0 7 21 84 90 30 25 15 3 0 0 0 0 0 0 9 25 91 95 31 27 16 3 0 0 0 0 0 0 11 29 96 99 31 28 18 5 0 0 0 0 0 0 14 31 105