SAINT IGNACE DIVISION: 2 STATION #7274 DATE OF RUN COUNTY: MACKINAC PERIOD ANALYSIS FOR 1981 -2000 ( 20 YEARS) 11/10/04 AVERAGE MINIMUM TEMPERATURE YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL 1981 5.1 13.3 23.3 30.1 37.4 48.7 56.4 57.9 45.8 35.5 31.1 21.3 33.8 1982 2.5 7.3 16.0 24.7 42.1 45.1 56.5 53.0 49.9 42.9 31.0 25.0 33.0 1983 15.7 17.9 23.7 30.2 36.4 49.2 61.3 60.8 49.3 36.9 31.3 13.0 35.5 1984 .9 18.5 14.9 33.7 38.6 50.3 55.5 59.9 47.4 42.7 29.0 20.0 34.3 1985 10.0 7.0 20.3 30.6 41.9 47.5 53.7 57.7 52.2 40.2 28.6 13.4 33.6 1986 10.0 11.6 18.2 33.8 43.7 48.5 56.7 54.0 48.5 38.9 27.0 24.9 34.6 1987 20.3 13.3 22.7 34.3 43.1 53.6 60.3 61.2 51.9 34.1 29.4 24.7 37.4 1988 9.9 4.1 18.5 30.6 45.4 55.0 58.4 56.7 48.9 37.2 32.9 16.6 34.5 1989 16.6 6.8 11.1 28.4 40.7 50.1 59.1 57.4 49.9 39.4 24.9 8.2 32.7 1990 18.9 10.1 19.9 32.2 39.9 50.2 57.8 57.9 50.7 38.4 32.1 20.0 35.7 1991 11.6 16.1 21.3 33.4 44.6 55.9 59.3 59.8 46.3 39.4 28.4 20.0 36.3 1992 17.0 13.5 17.0 29.3 39.7 48.8 52.5 54.1 48.7 39.1 29.5 23.0 34.4 1993 15.4 7.6 18.8 30.0 39.6 49.1 58.6 60.8 46.7 36.6 28.4 20.8 34.4 1994 -1.0 1.0 17.2 28.9 39.7 52.1 57.6 55.3 53.3 43.7 32.8 27.8 34.0 1995 19.1 8.6 21.6 30.0 41.1 55.5 58.6 62.9 49.1 42.6 25.2 15.4 35.8 1996 8.4 7.1 14.0 27.6 38.5 51.4 55.3 58.4 53.9 40.3 26.5 21.9 33.6 1997 9.0 11.3 17.4 28.4 37.8 52.0 60.1 57.3 51.6 40.2 29.9 25.3 35.0 1998 15.9 25.8 22.3 34.4 47.7 53.1 60.4 62.4 54.5 44.5 34.2 24.6 40.0 1999 12.6 19.2 21.1 35.0 45.7 55.0 61.9 58.0 52.3 38.8 35.2 22.9 38.1 2000 11.7 16.0 27.9 31.7 43.7 52.8 57.9 58.0 50.7 43.2 33.7 12.0 36.6 NON-ZERO 0 0 0 0 0 0 0 0 0 0 0 0 0 ZEROES 0 0 0 0 0 0 0 0 0 0 0 0 0 PROB OF ZERO 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 NOTE: STATISTICS ARE COMPUTED ON THE ALL THE VALUES. NUMBER YEARS 20 20 20 20 20 20 20 20 20 20 20 20 20 MEAN 11.48 11.81 19.36 30.87 41.36 51.19 57.89 58.17 50.08 39.73 30.05 20.04 35.16 VARIANCE 29.34 35.46 14.98 7.20 9.51 8.66 6.01 7.47 6.26 8.22 8.52 28.05 3.30 STND DEV 5.42 5.95 3.87 2.68 3.08 2.94 2.45 2.73 2.50 2.87 2.92 5.30 1.82 SKEW -.05 .40 -.02 -.25 .32 -.05 -.44 -.14 .02 -.08 -.06 -.68 1.04 KURTOSIS 2.31 2.87 3.02 2.59 2.19 2.24 2.67 2.37 2.12 2.20 2.17 2.50 3.71 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 AVERAGE MINIMUM TEMPERATURE 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 11.48 11.81 19.36 30.87 41.36 51.19 57.89 58.17 50.08 39.73 30.05 20.04 35.16 VARIANCE 29.34 35.46 14.98 7.20 9.51 8.66 6.01 7.47 6.26 8.22 8.52 28.05 3.30 STND DEV 5.42 5.95 3.87 2.68 3.08 2.94 2.45 2.73 2.50 2.87 2.92 5.30 1.82 SKEW -.05 .40 -.02 -.25 .32 -.05 -.44 -.14 .02 -.08 -.06 -.68 1.04 KURTOSIS 2.31 2.87 3.02 2.59 2.19 2.24 2.67 2.37 2.12 2.20 2.17 2.50 3.71 LEVELS PROBABILITY PERCENTILE VALUES 01 .0 .0 10.4 24.6 34.2 44.3 52.2 51.8 44.3 33.1 23.3 7.7 30.9 05 2.6 2.0 13.0 26.5 36.3 46.4 53.9 53.7 46.0 35.0 25.3 11.3 32.2 10 4.5 4.2 14.4 27.4 37.4 47.4 54.8 54.7 46.9 36.1 26.3 13.3 32.8 20 6.9 6.8 16.1 28.6 38.8 48.7 55.8 55.9 48.0 37.3 27.6 15.6 33.6 25 7.8 7.8 16.7 29.1 39.3 49.2 56.2 56.3 48.4 37.8 28.1 16.5 33.9 30 8.6 8.7 17.3 29.5 39.7 49.7 56.6 56.7 48.8 38.2 28.5 17.3 34.2 40 10.1 10.3 18.4 30.2 40.6 50.4 57.3 57.5 49.4 39.0 29.3 18.7 34.7 50 11.5 11.8 19.4 30.9 41.4 51.2 57.9 58.2 50.1 39.7 30.1 20.0 35.2 60 12.9 13.3 20.3 31.5 42.1 51.9 58.5 58.9 50.7 40.5 30.8 21.4 35.6 70 14.3 14.9 21.4 32.3 43.0 52.7 59.2 59.6 51.4 41.2 31.6 22.8 36.1 75 15.1 15.8 22.0 32.7 43.4 53.2 59.5 60.0 51.8 41.7 32.0 23.6 36.4 80 16.0 16.8 22.6 33.1 44.0 53.7 60.0 60.5 52.2 42.1 32.5 24.5 36.7 90 18.4 19.4 24.3 34.3 45.3 55.0 61.0 61.7 53.3 43.4 33.8 26.8 37.5 95 20.4 21.6 25.7 35.3 46.4 56.0 61.9 62.7 54.2 44.4 34.9 28.8 38.2 99 24.1 25.7 28.4 37.1 48.5 58.0 63.6 64.5 55.9 46.4 36.8 32.4 39.4