OLD MISSION 3 SSW DIVISION: 3 STATION #6158 DATE OF RUN COUNTY: GRAND TRAVERSE 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 23 15 7 0 0 0 0 0 0 0 2 16 63 1982 26 19 10 4 0 0 0 0 0 0 2 10 71 1983 15 15 8 2 0 0 0 0 0 0 0 25 65 1984 27 11 15 0 0 0 0 0 0 0 3 14 70 1985 27 20 6 1 0 0 0 0 0 0 8 23 85 1986 21 21 7 1 0 0 0 0 0 0 6 6 62 1987 16 6 6 2 0 0 0 0 0 0 2 7 39 1988 21 18 12 0 0 0 0 0 0 0 0 14 65 1989 13 22 17 2 0 0 0 0 0 0 7 28 89 1990 10 12 9 1 0 0 0 0 0 0 0 12 44 1991 26 14 5 0 0 0 0 0 0 0 9 10 64 1992 15 12 9 2 0 0 0 0 0 0 1 8 47 1993 23 21 7 1 0 0 0 0 0 0 2 11 65 1994 30 21 7 1 0 0 0 0 0 0 2 7 68 1995 21 20 9 2 0 0 0 0 0 0 10 21 83 1996 22 17 14 5 0 0 0 0 0 0 10 11 79 1997 23 19 11 3 0 0 0 0 0 0 1 5 62 1998 20 8 9 0 0 0 0 0 0 0 0 8 45 1999 21 10 10 0 0 0 0 0 0 0 0 10 51 2000 22 16 2 0 0 0 0 0 0 0 3 25 68 NON-ZERO 20 20 20 13 0 0 0 0 0 0 15 20 20 ZEROES 0 0 0 7 20 20 20 20 20 20 5 0 0 PROB OF ZERO .00 .00 .00 .35 1.00 1.00 1.00 1.00 1.00 1.00 .25 .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 21.1 15.9 9.0 2.1 .0 .0 .0 .0 .0 .0 4.5 13.6 64.3 VARIANCE 26.3 22.6 12.6 1.6 .0 .0 .0 .0 .0 .0 11.6 50.2 190.7 STND DEV 5.1 4.7 3.6 1.3 .0 .0 .0 .0 .0 .0 3.4 7.1 13.8 SKEW -.4 -.5 .5 1.2 .0 .0 .0 .0 .0 .0 .6 .8 -.1 KURTOSIS 2.6 2.1 3.1 3.4 .0 .0 .0 .0 .0 .0 1.7 2.3 2.4 NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS. OLD MISSION 3 SSW DIVISION: 3 STATION #6158 DATE OF RUN COUNTY: GRAND TRAVERSE 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 21.1 15.9 9.0 2.1 .0 .0 .0 .0 .0 .0 4.5 13.6 64.3 VARIANCE 26.3 22.6 12.6 1.6 .0 .0 .0 .0 .0 .0 11.6 50.2 190.7 STND DEV 5.1 4.7 3.6 1.3 .0 .0 .0 .0 .0 .0 3.4 7.1 13.8 SKEW -.4 -.5 .5 1.2 .0 .0 .0 .0 .0 .0 .6 .8 -.1 KURTOSIS 2.6 2.1 3.1 3.4 .0 .0 .0 .0 .0 .0 1.7 2.3 2.4 SIGMA 32.427 30.027 8.364 1.844 .000 .000 .000 .000 .000 .000 7.998 13.595 49.674 ETA 6.950 6.950 2.200 1.360 .000 .000 .000 .000 .000 .000 2.200 1.765 3.600 MU -9.222 -12.228 1.593 .388 .000 .000 .000 .000 .000 .000 -2.550 1.448 19.489 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 .35 1.00 1.00 1.00 1.00 1.00 1.00 .25 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 8 3 3 0 0 0 0 0 0 0 0 2 33 05 12 7 4 0 0 0 0 0 0 0 0 4 41 10 14 9 5 0 0 0 0 0 0 0 0 5 46 20 17 12 6 0 0 0 0 0 0 0 0 7 52 25 18 13 6 0 0 0 0 0 0 0 0 8 55 30 19 14 7 0 0 0 0 0 0 0 0 9 57 40 20 15 8 1 0 0 0 0 0 0 1 11 61 50 22 16 9 1 0 0 0 0 0 0 3 12 64 60 23 17 10 1 0 0 0 0 0 0 4 14 68 70 24 19 11 2 0 0 0 0 0 0 5 17 72 75 25 19 11 2 0 0 0 0 0 0 6 18 74 80 26 20 12 2 0 0 0 0 0 0 7 19 76 90 27 22 14 3 0 0 0 0 0 0 8 23 82 95 29 23 15 4 0 0 0 0 0 0 10 27 87 99 31 25 18 6 0 0 0 0 0 0 13 31 95