BEAVERTON 1 ESE DIVISION: 6 STATION #0632 DATE OF RUN COUNTY: GLADWIN PERIOD ANALYSIS FOR 1981 -1998 ( 18 YEARS) 11/09/04 EXTREME PRECIPITATION YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL 1981 .20 .46 .51 1.51 2.10 .99 1.35 1.56 2.30 1.96 2.63 .45 7.32 1982 .64 .28 .85 .53 1.12 1.95 1.55 .62 .68 .51 1.22 1.75 5.70 1983 .35 .18 .49 1.25 1.65 1.17 1.02 1.60 1.66 .67 .97 .84 5.76 1984 .25 .30 1.35 .65 1.05 1.25 1.00 .47 1.84 .72 .84 1.05 4.97 1985 .55 .55 .76 .63 1.30 .75 1.50 2.80 2.88 2.55 1.00 .77 7.14 1986 .40 .84 1.13 .66 1.12 1.21 .88 .78 4.68 .49 .08 .13 14.29 1987 .16 .06 .44 .26 .53 .67 .40 1.86 1.48 .48 .66 .62 5.35 1988 .89 .24 1.01 .76 .40 .76 1.16 .51 1.26 .99 1.30 .48 4.15 1989 .17 .33 .63 .29 2.25 .76 .17 1.04 1.36 .36 1.62 .16 4.27 1990 .86 .91 1.01 .61 1.13 .91 .80 1.18 2.61 1.11 1.74 .69 5.25 1991 .55 .35 1.05 2.00 1.51 1.56 .91 .94 .36 1.13 .62 .70 6.94 1992 .46 .37 1.23 1.06 .07 1.02 1.99 1.83 .88 1.12 1.13 .55 4.92 1993 .61 .20 .22 .96 .84 1.33 .29 .83 .76 .68 .96 .16 3.90 1994 .83 .33 .31 .66 .88 1.86 .52 1.12 .27 .62 1.26 .30 4.42 1995 .66 .05 .41 .92 .36 .89 .73 .91 .56 .93 1.50 .43 3.71 1996 .33 .50 .29 .82 .77 1.83 1.67 1.75 .66 .88 .21 .82 7.00 1997 .81 1.38 .38 .30 .57 .51 .94 1.12 .59 .76 .57 .10 4.29 1998 .78 .40 1.38 .48 .62 .47 .41 .45 .60 2.54 1.22 .81 4.37 NON-ZERO 18 18 18 18 18 18 18 18 18 18 18 18 18 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 18 18 18 18 18 18 18 18 18 18 18 18 18 MEAN .528 .429 .747 .797 1.015 1.105 .961 1.187 1.413 1.028 1.085 .601 5.764 VARIANCE .062 .107 .149 .198 .345 .207 .257 .376 1.271 .436 .348 .161 5.891 STND DEV .249 .328 .387 .445 .587 .455 .507 .613 1.128 .661 .590 .401 2.427 SKEW -.052 1.539 .243 1.199 .574 .533 .295 .958 1.474 1.435 .646 1.134 2.529 KURTOSIS 1.681 5.120 1.649 4.190 2.714 2.222 2.289 3.619 4.875 3.885 3.979 4.779 9.605 NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS. BEAVERTON 1 ESE DIVISION: 6 STATION #0632 DATE OF RUN COUNTY: GLADWIN PERIOD ANALYSIS FOR 1981 -1998 ( 18 YEARS) 11/09/04 EXTREME PRECIPITATION STATISTICS PARAMETER JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL NUMBER YEARS 18 18 18 18 18 18 18 18 18 18 18 18 18 MEAN .528 .429 .747 .797 1.015 1.105 .961 1.187 1.413 1.028 1.085 .601 5.764 VARIANCE .062 .107 .149 .198 .345 .207 .257 .376 1.271 .436 .348 .161 5.891 STND DEV .249 .328 .387 .445 .587 .455 .507 .613 1.128 .661 .590 .401 2.427 SKEW -.052 1.539 .243 1.199 .574 .533 .295 .958 1.474 1.435 .646 1.134 2.529 KURTOSIS 1.681 5.120 1.649 4.190 2.714 2.222 2.289 3.619 4.875 3.885 3.979 4.779 9.605 GAMMA 3.890 1.945 3.589 3.749 2.418 6.283 3.103 4.206 1.975 3.337 2.504 2.177 8.796 BETA .136 .221 .208 .213 .420 .176 .310 .282 .715 .308 .433 .276 .655 PROB OF ZERO .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 .11 .03 .14 .15 .11 .34 .15 .26 .10 .17 .12 .05 2.22 05 .18 .07 .24 .26 .22 .49 .27 .42 .25 .31 .25 .12 2.98 10 .23 .11 .31 .34 .32 .59 .36 .53 .37 .40 .35 .17 3.45 20 .30 .17 .41 .45 .47 .73 .50 .69 .58 .55 .51 .26 4.10 25 .33 .20 .46 .50 .54 .78 .56 .76 .67 .61 .58 .30 4.36 30 .36 .23 .50 .54 .60 .84 .62 .83 .77 .68 .65 .34 4.61 40 .42 .29 .59 .63 .74 .94 .74 .96 .97 .80 .79 .42 5.08 50 .48 .36 .68 .73 .88 1.05 .86 1.09 1.18 .93 .94 .51 5.54 60 .55 .43 .78 .83 1.04 1.16 1.00 1.24 1.42 1.07 1.11 .61 6.04 70 .63 .52 .89 .95 1.23 1.29 1.16 1.41 1.72 1.23 1.32 .73 6.60 75 .67 .58 .96 1.02 1.35 1.36 1.25 1.51 1.90 1.33 1.44 .80 6.92 80 .73 .64 1.04 1.11 1.49 1.45 1.36 1.63 2.11 1.45 1.58 .89 7.30 90 .88 .83 1.28 1.35 1.89 1.69 1.69 1.96 2.73 1.78 2.00 1.15 8.34 95 1.02 1.02 1.49 1.57 2.27 1.92 2.00 2.27 3.32 2.09 2.40 1.39 9.26 99 1.31 1.39 1.95 2.03 3.10 2.38 2.66 2.93 4.52 2.76 3.26 1.92 11.10