Extreme Precipitation
BIG BAY 3 SE
DIVISION: 1 STATION #0770 DATE OF RUN
COUNTY: MARQUETTE PERIOD ANALYSIS FOR 1981 -1998 ( 16 YEARS) 11/17/04
EXTREME PRECIPITATION
YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
1981 .28 .34 .45 1.73 .79 1.05 .21 1.47 .44 1.84 .58 .72 5.12
1982 .67 .10 .19 .81 .72 .42 3.04 1.44 .53 2.24 1.22 .75 6.10
1983 .35 .53 1.03 .89 2.53 2.64 .41 1.03 1.48 1.95 .85 .63 6.85
1984 .30 .73 1.73 1.52 .26 .73 .54 .86 1.42 .34 .27 .50 4.72
1986 .34 .38 .92 .59 .13 1.49 1.08 .63 .69 2.30 1.10 .13 4.34
1987 .35 .37 .51 .70 .75 1.54 1.35 1.54 .85 .72 1.25 .85 7.07
1988 .20 .20 .37 .18 .35 .28 .90 2.27 .75 .79 1.55 .41 8.55
1989 .20 .38 .87 .34 .78 2.14 .81 .61 .66 .49 .35 .25 6.01
1990 .31 .63 .48 .63 .61 2.00 1.04 .22 1.53 1.60 .63 .24 5.50
1991 .20 .50 .65 .56 .67 .77 .88 .29 .81 1.28 .86 .29 5.38
1992 .18 .20 .32 .63 .80 .15 2.25 1.04 .86 .85 1.35 .58 6.62
1994 .40 .03 .93 .78 .53 .53 .71 .59 .97 .40 .52 .10 3.07
1995 .49 .22 .66 .60 .46 .29 .68 .80 1.53 .58 1.58 .46 5.46
1996 .99 .48 .47 .74 .66 1.48 1.07 .73 .54 .70 .36 .59 7.05
1997 .64 .32 .37 .25 .50 .33 .80 .56 1.91 1.30 .43 .43 3.82
1998 .23 .34 .42 .35 1.30 1.02 .29 1.14 .41 .50 .65 .41 3.73
NON-ZERO 16 16 16 16 16 16 16 16 16 16 16 16 16
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 16 16 16 16 16 16 16 16 16 16 16 16 16
MEAN .383 .359 .648 .706 .740 1.054 1.004 .951 .961 1.117 .847 .459 5.587
VARIANCE .048 .035 .144 .171 .299 .572 .522 .280 .215 .457 .194 .049 2.115
STND DEV .219 .187 .380 .414 .547 .757 .723 .529 .463 .676 .440 .221 1.454
SKEW 1.522 .171 1.470 1.244 2.299 .623 1.673 .877 .645 .552 .346 .033 .116
KURTOSIS 4.707 2.550 5.066 4.116 8.410 2.289 5.336 3.467 2.137 1.849 1.754 2.091 2.466
NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS.
BIG BAY 3 SE
DIVISION: 1 STATION #0770 DATE OF RUN
COUNTY: MARQUETTE PERIOD ANALYSIS FOR 1981 -1998 ( 16 YEARS) 11/17/04
EXTREME PRECIPITATION STATISTICS
PARAMETER JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
NUMBER YEARS 16 16 16 16 16 16 16 16 16 16 16 16 16
MEAN .383 .359 .648 .706 .740 1.054 1.004 .951 .961 1.117 .847 .459 5.587
VARIANCE .048 .035 .144 .171 .299 .572 .522 .280 .215 .457 .194 .049 2.115
STND DEV .219 .187 .380 .414 .547 .757 .723 .529 .463 .676 .440 .221 1.454
SKEW 1.522 .171 1.470 1.244 2.299 .623 1.673 .877 .645 .552 .346 .033 .116
KURTOSIS 4.707 2.550 5.066 4.116 8.410 2.289 5.336 3.467 2.137 1.849 1.754 2.091 2.466
GAMMA 4.210 2.631 3.728 3.392 2.683 1.845 2.541 3.354 4.813 2.906 3.704 3.584 14.985
BETA .091 .137 .174 .208 .276 .571 .395 .284 .200 .385 .229 .128 .373
PROB OF ZERO .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
LEVELS PROBABILITY PERCENTILE VALUES
01 .08 .04 .12 .12 .09 .07 .11 .16 .24 .16 .16 .08 2.78
05 .14 .09 .21 .21 .18 .17 .23 .28 .37 .30 .27 .14 3.44
10 .17 .12 .27 .28 .25 .26 .33 .38 .46 .40 .35 .19 3.83
20 .22 .17 .36 .38 .36 .41 .47 .51 .59 .56 .47 .25 4.35
25 .25 .20 .40 .42 .41 .48 .54 .57 .64 .63 .52 .28 4.56
30 .27 .22 .44 .47 .46 .56 .61 .63 .69 .70 .57 .31 4.75
40 .31 .27 .51 .55 .55 .71 .74 .74 .79 .84 .67 .36 5.11
50 .35 .31 .59 .64 .65 .87 .88 .86 .89 .99 .77 .42 5.46
60 .40 .37 .68 .73 .76 1.06 1.03 .99 1.01 1.15 .88 .48 5.83
70 .46 .43 .77 .85 .89 1.28 1.22 1.14 1.13 1.35 1.01 .55 6.24
75 .49 .47 .83 .91 .97 1.42 1.33 1.23 1.21 1.46 1.09 .59 6.47
80 .53 .52 .90 .99 1.07 1.59 1.46 1.34 1.30 1.60 1.18 .64 6.74
90 .63 .66 1.10 1.22 1.34 2.08 1.85 1.65 1.54 1.99 1.43 .78 7.47
95 .73 .78 1.28 1.43 1.60 2.55 2.21 1.93 1.77 2.35 1.67 .91 8.11
99 .94 1.06 1.65 1.88 2.15 3.54 3.00 2.55 2.23 3.09 2.17 1.20 9.29
