Number of days with minimum Temperature of 0 F or below (Weibull)
BIG BAY 3 SE
DIVISION: 1 STATION #0770 DATE OF RUN
COUNTY: MARQUETTE PERIOD ANALYSIS FOR 1981 -1998 ( 16 YEARS) 11/17/04
NUMBER OF DAYS WITH MINIMUM TEMPERATURE <= 0 F
YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
1981 7 8 1 0 0 0 0 0 0 0 0 1 17
1982 14 13 3 0 0 0 0 0 0 0 0 1 31
1983 1 4 0 0 0 0 0 0 0 0 0 12 17
1984 12 0 7 0 0 0 0 0 0 0 0 3 22
1986 4 2 3 0 0 0 0 0 0 0 0 0 9
1987 3 0 0 0 0 0 0 0 0 0 0 0 3
1988 6 8 3 0 0 0 0 0 0 0 0 3 20
1989 2 10 12 0 0 0 0 0 0 0 0 7 31
1990 0 4 3 0 0 0 0 0 0 0 0 7 14
1991 8 5 0 0 0 0 0 0 0 0 0 2 15
1992 6 1 0 0 0 0 0 0 0 0 0 2 9
1994 17 12 0 0 0 0 0 0 0 0 0 0 29
1995 4 3 1 0 0 0 0 0 0 0 0 4 12
1996 9 13 9 0 0 0 0 0 0 0 0 3 34
1997 10 5 5 0 0 0 0 0 0 0 0 0 20
1998 5 2 1 0 0 0 0 0 0 0 0 3 11
NON-ZERO 15 14 11 0 0 0 0 0 0 0 0 12 16
ZEROES 1 2 5 16 16 16 16 16 16 16 16 4 0
PROB OF ZERO .06 .13 .31 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 .25 .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 7.2 6.4 4.4 .0 .0 .0 .0 .0 .0 .0 .0 4.0 18.4
VARIANCE 20.6 17.8 12.9 .0 .0 .0 .0 .0 .0 .0 .0 10.2 82.4
STND DEV 4.5 4.2 3.6 .0 .0 .0 .0 .0 .0 .0 .0 3.2 9.1
SKEW .7 .4 1.0 .0 .0 .0 .0 .0 .0 .0 .0 1.4 .3
KURTOSIS 2.7 1.8 2.9 .0 .0 .0 .0 .0 .0 .0 .0 4.3 2.1
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
NUMBER OF DAYS WITH MINIMUM TEMPERATURE <= 0 F 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 7.2 6.4 4.4 .0 .0 .0 .0 .0 .0 .0 .0 4.0 18.4
VARIANCE 20.6 17.8 12.9 .0 .0 .0 .0 .0 .0 .0 .0 10.2 82.4
STND DEV 4.5 4.2 3.6 .0 .0 .0 .0 .0 .0 .0 .0 3.2 9.1
SKEW .7 .4 1.0 .0 .0 .0 .0 .0 .0 .0 .0 1.4 .3
KURTOSIS 2.7 1.8 2.9 .0 .0 .0 .0 .0 .0 .0 .0 4.3 2.1
SIGMA 9.549 9.929 6.883 .000 .000 .000 .000 .000 .000 .000 .000 4.686 21.359
ETA 1.945 2.200 1.765 .000 .000 .000 .000 .000 .000 .000 .000 1.360 2.200
MU -1.267 -2.365 -1.763 .000 .000 .000 .000 .000 .000 .000 .000 -.291 -.541
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 .06 .13 .31 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 .25 .00
LEVELS PROBABILITY PERCENTILE VALUES
01 0 0 0 0 0 0 0 0 0 0 0 0 2
05 0 0 0 0 0 0 0 0 0 0 0 0 5
10 1 0 0 0 0 0 0 0 0 0 0 0 7
20 2 1 0 0 0 0 0 0 0 0 0 0 10
25 3 2 0 0 0 0 0 0 0 0 0 0 12
30 4 3 0 0 0 0 0 0 0 0 0 0 13
40 5 4 0 0 0 0 0 0 0 0 0 1 15
50 6 5 2 0 0 0 0 0 0 0 0 2 18
60 8 7 3 0 0 0 0 0 0 0 0 3 20
70 9 8 4 0 0 0 0 0 0 0 0 4 23
75 10 9 5 0 0 0 0 0 0 0 0 5 24
80 11 9 6 0 0 0 0 0 0 0 0 5 26
90 13 12 8 0 0 0 0 0 0 0 0 8 31
95 15 14 10 0 0 0 0 0 0 0 0 9 35
99 20 17 14 0 0 0 0 0 0 0 0 13 42
