Number of days with minimum Temperature of 32 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 <= 32 F
YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
1981 31 25 29 22 16 0 0 0 3 15 22 31 194
1982 31 28 27 24 5 1 0 0 1 7 25 29 178
1983 31 26 28 27 15 0 0 0 0 11 20 31 189
1984 31 28 31 19 10 0 0 0 4 8 26 29 186
1986 31 28 27 12 3 0 0 0 1 10 27 31 170
1987 30 28 27 16 6 0 0 0 0 11 24 30 172
1988 31 29 30 23 9 1 0 0 0 14 22 31 190
1989 30 28 29 26 12 0 0 0 2 9 28 31 195
1990 31 28 28 18 13 1 0 0 0 12 25 31 187
1991 31 27 30 19 9 0 0 0 4 15 26 30 191
1992 31 29 30 23 7 0 0 0 2 15 28 31 196
1994 31 27 29 22 11 0 0 0 0 2 17 30 169
1995 31 28 30 27 3 1 0 0 1 5 30 31 187
1996 31 29 29 26 19 0 0 0 0 7 27 31 199
1997 31 28 30 25 17 0 0 0 0 14 26 31 202
1998 31 25 28 22 7 1 0 0 0 6 23 30 173
NON-ZERO 16 16 16 16 16 5 0 0 8 16 16 16 16
ZEROES 0 0 0 0 0 11 16 16 8 0 0 0 0
PROB OF ZERO .00 .00 .00 .00 .00 .69 1.00 1.00 .50 .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 30.9 27.6 28.9 21.9 10.1 1.0 .0 .0 2.3 10.1 24.8 30.5 186.1
VARIANCE .1 1.6 1.6 17.8 24.3 .0 .0 .0 1.6 16.1 11.0 .5 113.1
STND DEV .3 1.3 1.3 4.2 4.9 .0 .0 .0 1.3 4.0 3.3 .7 10.6
SKEW -2.3 -1.0 -.2 -.8 .2 .0 .0 .0 .4 -.3 -.7 -1.1 -.4
KURTOSIS 6.1 2.9 1.9 3.0 2.0 .0 .0 .0 1.6 2.1 3.1 2.8 1.9
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 <= 32 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 30.9 27.6 28.9 21.9 10.1 1.0 .0 .0 2.3 10.1 24.8 30.5 186.1
VARIANCE .1 1.6 1.6 17.8 24.3 .0 .0 .0 1.6 16.1 11.0 .5 113.1
STND DEV .3 1.3 1.3 4.2 4.9 .0 .0 .0 1.3 4.0 3.3 .7 10.6
SKEW -2.3 -1.0 -.2 -.8 .2 .0 .0 .0 .4 -.3 -.7 -1.1 -.4
KURTOSIS 6.1 2.9 1.9 3.0 2.0 .0 .0 .0 1.6 2.1 3.1 2.8 1.9
SIGMA 999.000 50.517 4.526 36.857 17.712 999.000 .000 .000 3.016 25.339 28.977 29.204 6.722
ETA .000 50.000 3.600 10.000 3.600 999.000 .000 .000 2.200 6.950 10.000 50.000 6.950
MU 999.000 -22.391 24.797 -13.126 -5.836 999.000 .000 .000 -.421 -13.632 -2.817 1.622 12.326
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 .100
TRANS FACTOR .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000
PROB OF ZERO .00 .00 .00 .00 .00 .69 1.00 1.00 .50 .00 .00 .00 .00
LEVELS PROBABILITY PERCENTILE VALUES
01 30 24 26 10 0 0 0 0 0 0 15 28 158
05 30 25 27 14 2 0 0 0 0 3 19 29 167
10 30 26 27 16 4 0 0 0 0 5 20 30 172
20 31 27 28 19 6 0 0 0 0 7 22 30 177
25 31 27 28 19 7 0 0 0 0 8 23 30 179
30 31 27 28 20 7 0 0 0 0 8 23 30 181
40 31 27 29 21 9 0 0 0 0 9 24 30 184
50 31 28 29 22 10 0 0 0 0 10 25 31 187
60 31 28 29 23 11 0 0 0 1 11 26 31 190
70 31 28 30 24 13 0 0 0 2 12 27 31 192
75 31 28 30 25 14 1 0 0 2 13 27 31 194
80 31 28 30 26 14 1 0 0 2 14 28 31 195
90 31 28 31 27 16 1 0 0 3 15 29 31 199
95 31 28 31 28 18 1 0 0 4 16 30 31 202
99 31 28 31 30 21 1 0 0 5 18 30 31 207
