MARQUETTE CITY DIVISION: 1 STATION #5178 DATE OF RUN COUNTY: MARQUETTE PERIOD ANALYSIS FOR 1971 -2000 ( 30 YEARS) 11/09/04 NUMBER OF DAYS WITH MINIMUM TEMPERATURE <= 0 F YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL 1971 3 5 0 0 0 0 0 0 0 0 0 0 8 1972 10 6 2 0 0 0 0 0 0 0 0 3 21 1973 3 1 0 0 0 0 0 0 0 0 0 0 4 1974 10 6 2 0 0 0 0 0 0 0 0 0 18 1975 2 3 0 0 0 0 0 0 0 0 0 1 6 1976 3 1 0 0 0 0 0 0 0 0 3 6 13 1977 14 3 0 0 0 0 0 0 0 0 0 3 20 1978 1 0 0 0 0 0 0 0 0 0 0 1 2 1979 15 13 0 0 0 0 0 0 0 0 0 1 29 1980 7 4 2 0 0 0 0 0 0 0 0 4 17 1981 4 9 0 0 0 0 0 0 0 0 0 0 13 1982 9 10 1 0 0 0 0 0 0 0 0 0 20 1983 0 0 0 0 0 0 0 0 0 0 0 10 10 1984 9 0 6 0 0 0 0 0 0 0 0 2 17 1985 3 11 0 0 0 0 0 0 0 0 0 7 21 1986 4 2 2 0 0 0 0 0 0 0 0 0 8 1987 3 0 0 0 0 0 0 0 0 0 0 0 3 1988 8 8 0 0 0 0 0 0 0 0 0 4 20 1989 0 8 8 0 0 0 0 0 0 0 0 5 21 1990 0 1 0 0 0 0 0 0 0 0 0 6 7 1991 9 2 0 0 0 0 0 0 0 0 0 0 11 1992 5 2 0 0 0 0 0 0 0 0 0 1 8 1993 0 6 2 0 0 0 0 0 0 0 0 5 13 1994 13 12 0 0 0 0 0 0 0 0 0 0 25 1995 2 4 1 0 0 0 0 0 0 0 0 5 12 1996 6 11 3 0 0 0 0 0 0 0 0 3 23 1997 6 0 0 0 0 0 0 0 0 0 0 0 6 1998 3 0 0 0 0 0 0 0 0 0 0 2 5 1999 11 0 0 0 0 0 0 0 0 0 0 2 13 2000 1 0 0 0 0 0 0 0 0 0 0 1 2 NON-ZERO 26 22 10 0 0 0 0 0 0 0 1 20 30 ZEROES 4 8 20 30 30 30 30 30 30 30 29 10 0 PROB OF ZERO .13 .27 .67 1.00 1.00 1.00 1.00 1.00 1.00 1.00 .97 .33 .00 NOTE: STATISTICS ARE COMPUTED ON THE NON-ZERO VALUES NUMBER YEARS 30 30 30 30 30 30 30 30 30 30 30 30 30 MEAN 6.3 5.8 2.9 .0 .0 .0 .0 .0 .0 .0 3.0 3.6 13.2 VARIANCE 17.0 15.1 5.2 .0 .0 .0 .0 .0 .0 .0 .0 5.9 55.3 STND DEV 4.1 3.9 2.3 .0 .0 .0 .0 .0 .0 .0 .0 2.4 7.4 SKEW .6 .4 1.4 .0 .0 .0 .0 .0 .0 .0 .0 .9 .2 KURTOSIS 2.2 1.8 3.6 .0 .0 .0 .0 .0 .0 .0 .0 3.4 2.0 NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS. MARQUETTE CITY DIVISION: 1 STATION #5178 DATE OF RUN COUNTY: MARQUETTE PERIOD ANALYSIS FOR 1971 -2000 ( 30 YEARS) 11/09/04 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 30 30 30 30 30 30 30 30 30 30 30 30 30 MEAN 6.3 5.8 2.9 .0 .0 .0 .0 .0 .0 .0 3.0 3.6 13.2 VARIANCE 17.0 15.1 5.2 .0 .0 .0 .0 .0 .0 .0 .0 5.9 55.3 STND DEV 4.1 3.9 2.3 .0 .0 .0 .0 .0 .0 .0 .0 2.4 7.4 SKEW .6 .4 1.4 .0 .0 .0 .0 .0 .0 .0 .0 .9 .2 KURTOSIS 2.2 1.8 3.6 .0 .0 .0 .0 .0 .0 .0 .0 3.4 2.0 SIGMA 9.709 9.147 3.352 .000 .000 .000 .000 .000 .000 .000 999.000 4.677 26.757 ETA 2.200 2.200 1.360 .000 .000 .000 .000 .000 .000 .000 999.000 1.765 3.600 MU -2.291 -2.282 -.170 .000 .000 .000 .000 .000 .000 .000 999.000 -.564 -10.911 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 .13 .27 .67 1.00 1.00 1.00 1.00 1.00 1.00 1.00 .97 .33 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 0 0 0 0 0 0 0 0 0 0 0 0 0 05 0 0 0 0 0 0 0 0 0 0 0 0 1 10 0 0 0 0 0 0 0 0 0 0 0 0 3 20 1 0 0 0 0 0 0 0 0 0 0 0 7 25 2 0 0 0 0 0 0 0 0 0 0 0 8 30 3 0 0 0 0 0 0 0 0 0 0 0 9 40 4 2 0 0 0 0 0 0 0 0 0 1 11 50 5 4 0 0 0 0 0 0 0 0 0 2 13 60 6 5 0 0 0 0 0 0 0 0 0 3 15 70 8 6 0 0 0 0 0 0 0 0 0 4 17 75 8 7 1 0 0 0 0 0 0 0 0 4 18 80 9 8 2 0 0 0 0 0 0 0 0 5 20 90 11 10 4 0 0 0 0 0 0 0 0 6 23 95 13 12 5 0 0 0 0 0 0 0 0 7 25 99 17 15 8 0 0 0 0 0 0 0 2 10 30