Monthly & annual total precipitation (Gamma)
BIG BAY 3 SE
DIVISION: 1 STATION #0770 DATE OF RUN
COUNTY: MARQUETTE PERIOD ANALYSIS FOR 1981 -1998 ( 16 YEARS) 11/17/04
PRECIPITATION (INCHES)
YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
1981 1.21 1.88 1.67 3.75 2.55 4.78 .70 3.33 1.34 5.12 1.05 3.93 31.31
1982 3.34 .51 1.07 3.49 2.64 1.05 6.10 3.83 3.57 5.07 2.77 2.72 36.16
1983 2.68 1.27 4.12 2.56 6.63 4.91 1.02 3.01 6.85 5.35 4.19 2.56 45.15
1984 1.58 2.03 3.67 1.64 .93 2.63 1.69 2.65 4.72 1.80 1.37 2.51 27.22
1986 2.00 .79 3.20 1.44 .24 3.05 3.21 2.24 3.05 4.34 3.09 .42 27.07
1987 .59 .74 1.09 1.38 3.33 2.92 4.02 7.07 2.78 3.95 2.99 2.89 33.75
1988 1.04 .71 1.41 .61 1.61 1.16 1.07 8.55 3.10 3.65 4.57 1.87 29.35
1989 1.05 1.19 1.93 .92 1.65 6.01 1.31 1.46 1.51 1.87 1.41 1.59 21.90
1990 .85 1.31 .73 1.58 1.70 4.86 3.43 .99 5.50 5.00 1.19 1.33 28.47
1991 .84 1.08 2.60 2.48 2.70 1.78 5.38 .61 3.27 3.45 4.41 1.03 29.63
1992 .83 .97 .85 1.78 1.54 .52 6.62 3.32 2.91 1.84 2.90 2.91 26.99
1994 1.57 .17 2.24 1.96 1.84 2.36 1.79 2.62 3.07 1.72 1.73 .37 21.44
1995 1.47 1.11 2.56 2.46 1.60 .82 3.54 2.57 3.80 5.46 2.92 2.59 30.90
1996 2.52 2.01 1.08 3.42 1.66 7.05 4.59 2.88 2.72 2.54 1.88 3.45 35.80
1997 3.82 .68 2.10 1.07 1.97 .66 2.82 2.01 3.25 2.96 2.70 1.75 25.79
1998 1.63 .71 1.14 .77 2.45 2.89 .84 2.37 .90 1.20 3.73 1.78 20.41
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 1.689 1.072 1.966 1.957 2.190 2.966 3.008 3.094 3.271 3.458 2.681 2.106 29.459
VARIANCE .903 .287 1.075 .970 1.944 4.089 3.742 4.178 2.233 2.232 1.338 1.036 39.324
STND DEV .950 .536 1.037 .985 1.394 2.022 1.935 2.044 1.494 1.494 1.157 1.018 6.271
SKEW .959 .502 .690 .478 2.001 .540 .462 1.564 .697 -.049 .146 -.129 .762
KURTOSIS 2.873 2.487 2.392 2.113 7.682 2.184 2.002 4.902 3.545 1.516 1.863 2.275 3.632
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
PRECIPITATION (INCHES) 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 1.689 1.072 1.966 1.957 2.190 2.966 3.008 3.094 3.271 3.458 2.681 2.106 29.459
VARIANCE .903 .287 1.075 .970 1.944 4.089 3.742 4.178 2.233 2.232 1.338 1.036 39.324
STND DEV .950 .536 1.037 .985 1.394 2.022 1.935 2.044 1.494 1.494 1.157 1.018 6.271
SKEW .959 .502 .690 .478 2.001 .540 .462 1.564 .697 -.049 .146 -.129 .762
KURTOSIS 2.873 2.487 2.392 2.113 7.682 2.184 2.002 4.902 3.545 1.516 1.863 2.275 3.632
GAMMA 3.756 3.636 3.976 4.016 2.872 2.001 2.323 2.876 4.727 4.957 5.175 3.131 24.724
BETA .450 .295 .495 .487 .763 1.482 1.295 1.076 .692 .697 .518 .673 1.192
PROB OF ZERO .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
LEVELS PROBABILITY PERCENTILE VALUES
01 .32 .20 .40 .40 .30 .22 .29 .42 .80 .88 .71 .32 17.44
05 .55 .34 .67 .67 .57 .53 .64 .81 1.25 1.35 1.08 .60 20.43
10 .71 .44 .85 .86 .78 .79 .91 1.10 1.55 1.67 1.32 .80 22.16
20 .95 .59 1.13 1.13 1.10 1.22 1.35 1.55 1.99 2.13 1.67 1.10 24.39
25 1.05 .66 1.24 1.24 1.24 1.43 1.56 1.75 2.17 2.32 1.82 1.23 25.27
30 1.15 .72 1.35 1.35 1.38 1.63 1.76 1.95 2.35 2.51 1.96 1.36 26.08
40 1.34 .85 1.57 1.57 1.65 2.04 2.16 2.33 2.69 2.86 2.23 1.62 27.59
50 1.54 .98 1.80 1.80 1.94 2.49 2.59 2.74 3.04 3.22 2.51 1.89 29.06
60 1.76 1.12 2.05 2.04 2.26 3.00 3.07 3.19 3.42 3.61 2.81 2.18 30.57
70 2.01 1.28 2.34 2.33 2.64 3.62 3.66 3.73 3.86 4.07 3.15 2.53 32.25
75 2.17 1.38 2.51 2.50 2.87 3.99 4.01 4.05 4.12 4.33 3.36 2.74 33.20
80 2.34 1.49 2.70 2.70 3.13 4.44 4.42 4.42 4.42 4.64 3.59 2.99 34.28
90 2.85 1.83 3.27 3.27 3.91 5.77 5.65 5.52 5.28 5.51 4.26 3.70 37.24
95 3.32 2.13 3.78 3.79 4.62 7.03 6.81 6.53 6.06 6.29 4.87 4.37 39.79
99 4.29 2.78 4.79 4.91 6.10 9.84 9.36 8.61 7.67 7.82 6.15 5.80 44.76
