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 PRECIPITATION => .25" YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL 1981 0 1 1 6 1 6 1 1 3 5 1 2 28 1982 3 0 1 1 2 4 3 3 8 3 3 3 34 1983 1 1 3 3 5 0 1 4 3 4 4 3 32 1984 0 1 4 3 2 5 3 2 4 6 2 4 36 1985 1 6 4 6 3 5 3 3 8 8 5 2 54 1986 2 2 1 5 3 4 2 3 10 6 2 1 41 1987 0 1 2 4 4 4 3 1 3 4 3 6 35 1988 1 3 2 6 2 1 6 9 5 7 8 0 50 1989 2 0 3 0 3 3 1 4 1 2 3 0 22 1990 2 1 1 1 5 6 2 1 3 6 3 1 32 1991 2 0 4 4 4 2 6 0 7 7 6 0 42 1992 1 3 1 3 1 1 5 3 8 5 6 3 40 1993 0 0 0 5 7 4 5 2 4 5 3 3 38 1994 3 0 2 1 5 3 5 6 2 3 2 0 32 1995 3 0 1 1 5 2 5 3 3 7 4 3 37 1996 1 3 2 6 2 3 5 2 7 5 2 4 42 1997 3 1 3 2 3 1 2 2 2 1 5 1 26 1998 3 0 3 0 2 6 1 4 4 1 6 2 32 1999 5 1 0 3 2 3 5 2 3 3 1 1 29 2000 4 2 2 3 3 5 2 0 2 1 5 0 29 NON-ZERO 16 13 18 18 20 19 20 18 20 20 20 15 20 ZEROES 4 7 2 2 0 1 0 2 0 0 0 5 0 PROB OF ZERO .20 .35 .10 .10 .00 .05 .00 .10 .00 .00 .00 .25 .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 2.3 2.0 2.2 3.5 3.2 3.6 3.3 3.1 4.5 4.4 3.7 2.6 35.5 VARIANCE 1.4 2.2 1.2 3.4 2.5 2.8 3.2 3.8 6.6 4.7 3.6 2.0 61.1 STND DEV 1.2 1.5 1.1 1.9 1.6 1.7 1.8 2.0 2.6 2.2 1.9 1.4 7.8 SKEW .6 1.6 .3 .0 .7 -.1 .1 1.7 .7 -.2 .5 .8 .6 KURTOSIS 2.7 5.1 1.8 1.7 2.8 1.9 1.5 5.9 2.2 2.0 2.5 3.3 3.2 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 PRECIPITATION => .25" 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 2.3 2.0 2.2 3.5 3.2 3.6 3.3 3.1 4.5 4.4 3.7 2.6 35.5 VARIANCE 1.4 2.2 1.2 3.4 2.5 2.8 3.2 3.8 6.6 4.7 3.6 2.0 61.1 STND DEV 1.2 1.5 1.1 1.9 1.6 1.7 1.8 2.0 2.6 2.2 1.9 1.4 7.8 SKEW .6 1.6 .3 .0 .7 -.1 .1 1.7 .7 -.2 .5 .8 .6 KURTOSIS 2.7 5.1 1.8 1.7 2.8 1.9 1.5 5.9 2.2 2.0 2.5 3.3 3.2 SIGMA 2.813 1.472 2.622 6.672 3.310 6.033 6.402 1.955 5.396 7.783 4.458 2.695 16.445 ETA 2.200 1.000 2.200 3.600 1.942 3.600 3.600 1.000 1.945 3.600 2.200 1.765 1.945 MU -.179 .528 -.100 -2.512 .264 -1.857 -2.469 1.101 -.285 -2.563 -.248 .201 20.967 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 .20 .35 .10 .10 .00 .05 .00 .10 .00 .00 .00 .25 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 0 0 0 0 1 0 0 0 0 0 0 0 23 05 0 0 0 0 1 0 0 0 1 1 1 0 25 10 0 0 0 0 1 1 1 0 1 2 1 0 26 20 0 0 1 1 2 2 2 1 2 3 2 0 29 25 1 0 1 2 2 2 2 1 3 3 2 0 30 30 1 0 1 2 2 2 2 2 3 3 3 1 31 40 1 1 2 3 3 3 3 2 4 4 3 1 33 50 2 1 2 3 3 3 3 2 4 4 4 2 35 60 2 1 2 4 3 4 4 3 5 5 4 2 37 70 3 2 3 4 4 4 4 3 6 6 5 3 39 75 3 2 3 5 4 5 5 4 6 6 5 3 40 80 3 2 3 5 4 5 5 4 7 6 5 3 42 90 4 3 4 6 5 6 6 5 8 7 6 4 46 95 4 4 4 6 6 6 6 7 9 8 7 5 50 99 5 7 5 8 8 7 7 10 12 9 9 6 57