SAINT IGNACE DIVISION: 2 STATION #7274 DATE OF RUN COUNTY: MACKINAC PERIOD ANALYSIS FOR 1981 -2000 ( 20 YEARS) 11/10/04 EXTREME MINIMUM TEMPERATURE YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL 1981 -27 -13 12 15 22 40 42 48 26 24 22 9 -27 1982 -21 -6 -6 7 33 36 43 40 40 31 17 5 -21 1983 -4 1 8 19 27 29 39 53 33 26 23 -6 -6 1984 -22 -16 -8 26 26 42 45 46 34 26 16 4 -22 1985 -8 -18 2 15 33 38 43 47 42 29 12 -10 -18 1986 -21 -4 -8 23 28 39 44 38 37 29 6 4 -21 1987 -10 -29 -5 16 32 40 44 51 40 28 9 9 -29 1988 -7 -5 0 24 29 44 48 44 40 28 25 -4 -7 1989 -4 -5 -14 11 28 35 45 44 31 29 10 1 -14 1990 4 -15 1 20 30 34 46 51 36 25 22 2 -15 1991 -4 -5 3 21 32 46 48 48 27 30 13 5 -5 1992 0 -11 -4 13 26 36 44 45 33 28 14 7 -11 1993 2 -4 -4 20 34 37 50 49 30 28 19 -15 -15 1994 -23 -24 -2 10 29 40 47 46 41 35 17 12 -24 1995 1 -18 -3 9 33 43 45 53 37 31 9 2 -18 1996 -5 -22 -8 18 29 43 48 47 38 26 13 3 -22 1997 -17 -16 2 12 30 42 48 50 37 24 12 2 -17 1998 5 8 1 26 41 35 53 54 40 32 24 2 1 1999 -12 7 2 28 34 42 53 47 38 30 23 7 -12 2000 -6 -3 11 19 33 41 43 49 32 31 13 -3 -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 -8.9 -9.9 -1.0 17.6 30.5 39.1 45.9 47.5 35.6 28.5 15.9 1.8 -15.4 VARIANCE 30.6 38.1 23.4 37.0 16.3 16.8 12.5 16.9 21.7 7.9 32.8 15.5 14.2 STND DEV 5.5 6.2 4.8 6.1 4.0 4.1 3.5 4.1 4.7 2.8 5.7 3.9 3.8 SKEW 2.3 2.7 2.3 -.0 .4 -.6 .4 -.5 -.6 .2 .1 1.9 4.5 KURTOSIS 5.3 7.6 5.7 2.0 4.0 3.0 2.9 3.0 2.3 2.8 1.8 4.1 20.0 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 EXTREME 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 -8.9 -9.9 -1.0 17.6 30.5 39.1 45.9 47.5 35.6 28.5 15.9 1.8 -15.4 VARIANCE 30.6 38.1 23.4 37.0 16.3 16.8 12.5 16.9 21.7 7.9 32.8 15.5 14.2 STND DEV 5.5 6.2 4.8 6.1 4.0 4.1 3.5 4.1 4.7 2.8 5.7 3.9 3.8 SKEW 2.3 2.7 2.3 -.0 .4 -.6 .4 -.5 -.6 .2 .1 1.9 4.5 KURTOSIS 5.3 7.6 5.7 2.0 4.0 3.0 2.9 3.0 2.3 2.8 1.8 4.1 20.0 LEVELS PROBABILITY PERCENTILE VALUES 01 0 0 0 3 21 30 38 38 25 22 3 0 -29 05 0 0 0 8 24 32 40 41 28 24 7 0 -29 10 0 0 0 10 25 34 41 42 30 25 9 0 -27 20 0 0 0 12 27 36 43 44 32 26 11 0 -22 25 0 0 0 13 28 36 44 45 32 27 12 0 -22 30 0 0 0 14 28 37 44 45 33 27 13 0 -21 40 0 0 0 16 29 38 45 46 34 28 14 1 -18 50 0 0 0 18 30 39 46 48 36 29 16 2 -17 60 0 0 0 19 31 40 47 49 37 29 17 3 -15 70 0 0 2 21 33 41 48 50 38 30 19 4 -12 75 0 0 2 22 33 42 48 50 39 30 20 4 -11 80 0 0 3 23 34 43 49 51 40 31 21 5 -7 90 0 0 5 25 36 44 50 53 42 32 23 7 -6 95 0 0 7 28 37 46 52 54 43 33 25 8 -5 99 4 4 10 32 40 49 54 57 46 35 29 11 0