ONTONAGON 6 SE DIVISION: 1 STATION #6220 DATE OF RUN COUNTY: ONTONAGON PERIOD ANALYSIS FOR 1978 -2000 ( 23 YEARS) 11/10/04 EXTREME PRECIPITATION YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL 1978 .41 .28 .25 .60 1.30 .50 1.12 3.90 .63 .38 .82 .39 5.93 1979 .47 .41 1.18 .31 .80 1.40 .65 .58 1.53 1.44 .55 .34 5.75 1980 .78 .12 .30 .57 .68 .72 1.90 2.95 1.73 .85 .45 .36 6.71 1981 .60 .53 .54 .93 1.75 1.26 .90 .95 .71 1.55 .45 .77 5.59 1982 .77 .17 .17 1.10 1.00 .35 1.72 1.13 .38 1.50 1.50 .88 5.51 1983 .33 .55 .97 .74 .90 .65 1.08 1.23 2.31 1.48 .52 .52 5.59 1984 .31 1.00 .88 1.50 1.00 1.39 .55 .81 1.85 .63 .16 .55 4.77 1985 .50 .28 .62 1.15 .80 .49 .71 1.20 1.84 1.03 1.38 .53 6.19 1986 .60 .69 .75 .67 .37 2.02 1.48 .87 .55 .90 .30 .57 5.22 1987 .25 .27 .58 .45 1.10 .62 2.51 .91 .78 .83 1.17 .96 8.09 1988 .72 .38 .76 .17 .61 .46 1.17 2.12 .70 .90 1.57 .45 6.86 1989 .67 .35 .50 .54 .82 1.42 .85 .83 .34 .67 .41 .49 6.65 1990 .42 .32 .53 .48 .83 1.35 1.57 .29 1.15 1.36 .48 .42 6.83 1991 .20 .27 .75 .41 2.25 1.33 2.46 .48 .58 1.20 1.90 .26 7.90 1992 .65 .34 .33 .29 .44 .23 2.35 .51 .87 1.27 .65 .50 5.51 1993 .31 .22 .28 .70 1.20 1.30 .34 .73 .50 1.10 .65 .55 3.94 1994 .39 .14 .95 1.58 .68 .72 .70 .86 .47 .33 1.09 .12 4.11 1995 .45 .47 .49 .78 .93 .85 .73 2.12 1.33 1.44 .37 .43 6.59 1996 1.45 .62 2.50 1.45 .62 .97 1.01 .81 .85 .85 .75 .70 4.88 1997 .80 .11 .60 .27 1.59 .77 1.12 1.20 .61 .35 .32 .50 4.65 1998 .39 .16 1.20 .33 1.11 1.31 .29 .99 .71 .60 .92 .97 3.92 1999 .79 .67 .10 .64 1.23 .74 2.12 1.41 .72 .70 .95 .42 5.12 2000 .33 .35 .94 .52 .49 1.15 .39 .61 .38 .43 .53 .45 3.82 NON-ZERO 23 23 23 23 23 23 23 23 23 23 23 23 23 ZEROES 0 0 0 0 0 0 0 0 0 0 0 0 0 PROB OF ZERO .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 NOTE: STATISTICS ARE COMPUTED ON THE NON-ZERO VALUES NUMBER YEARS 23 23 23 23 23 23 23 23 23 23 23 23 23 MEAN .547 .378 .703 .703 .978 .957 1.205 1.195 .936 .947 .778 .527 5.658 VARIANCE .074 .048 .247 .164 .195 .199 .472 .715 .310 .160 .214 .044 1.444 STND DEV .271 .218 .497 .405 .442 .446 .687 .845 .557 .401 .463 .210 1.202 SKEW 1.553 1.073 2.041 .892 1.155 .349 .595 1.887 1.057 .013 .891 .637 .253 KURTOSIS 6.244 3.946 8.464 2.785 4.313 2.495 2.199 6.140 2.942 1.754 2.846 3.173 2.378 NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS. ONTONAGON 6 SE DIVISION: 1 STATION #6220 DATE OF RUN COUNTY: ONTONAGON PERIOD ANALYSIS FOR 1978 -2000 ( 23 YEARS) 11/10/04 EXTREME PRECIPITATION STATISTICS PARAMETER JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL NUMBER YEARS 23 23 23 23 23 23 23 23 23 23 23 23 23 MEAN .547 .378 .703 .703 .978 .957 1.205 1.195 .936 .947 .778 .527 5.658 VARIANCE .074 .048 .247 .164 .195 .199 .472 .715 .310 .160 .214 .044 1.444 STND DEV .271 .218 .497 .405 .442 .446 .687 .845 .557 .401 .463 .210 1.202 SKEW 1.553 1.073 2.041 .892 1.155 .349 .595 1.887 1.057 .013 .891 .637 .253 KURTOSIS 6.244 3.946 8.464 2.785 4.313 2.495 2.199 6.140 2.942 1.754 2.846 3.173 2.378 GAMMA 5.027 3.326 2.460 3.324 5.664 4.277 3.079 2.915 3.453 5.033 3.092 6.111 23.010 BETA .109 .114 .286 .212 .173 .224 .391 .410 .271 .188 .252 .086 .246 PROB OF ZERO .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 .14 .06 .08 .12 .28 .21 .18 .17 .16 .24 .12 .16 3.28 05 .22 .11 .16 .21 .41 .34 .34 .32 .29 .37 .22 .23 3.87 10 .27 .15 .22 .28 .50 .43 .45 .43 .38 .46 .29 .28 4.21 20 .34 .20 .33 .38 .63 .56 .62 .60 .51 .59 .40 .34 4.65 25 .37 .23 .37 .42 .68 .62 .70 .68 .57 .64 .45 .37 4.82 30 .40 .25 .42 .46 .73 .67 .77 .75 .62 .69 .50 .40 4.99 40 .45 .29 .51 .55 .82 .78 .92 .90 .73 .79 .60 .45 5.29 50 .51 .34 .61 .63 .92 .88 1.08 1.06 .85 .89 .70 .50 5.58 60 .57 .39 .72 .73 1.03 1.00 1.25 1.23 .97 .99 .81 .55 5.88 70 .64 .45 .85 .84 1.15 1.14 1.45 1.44 1.12 1.12 .94 .62 6.21 75 .69 .49 .93 .91 1.22 1.22 1.57 1.56 1.21 1.19 1.01 .65 6.40 80 .74 .53 1.03 .99 1.30 1.31 1.71 1.71 1.31 1.27 1.11 .69 6.62 90 .87 .66 1.30 1.22 1.53 1.58 2.13 2.12 1.61 1.51 1.37 .81 7.21 95 1.00 .77 1.56 1.43 1.73 1.82 2.51 2.51 1.89 1.73 1.62 .92 7.73 99 1.27 1.02 2.13 1.89 2.17 2.34 3.34 3.29 2.48 2.19 2.15 1.15 8.76