Information You Need on the Earliest and Latest Snow at Milwaukee and Madison

Now that winter is fast approaching, it time to review the dates of the earliest and latest snowfalls of various amounts in Milwaukee and Madison.  This information was disseminated as a Public Information Statement Saturday evening, November 10th.

...SNOWFALL STATISTICS FOR MILWAUKEE AND MADISON...

MILWAUKEE...

THE AVERAGE DATE OF OCCURRENCE...

FIRST TRACE OF SNOW IN AUTUMN...OCTOBER 28
FIRST MEASURABLE...NOVEMBER 14
FIRST ONE INCH OR MORE...DECEMBER 2

THE EARLIEST OCCURRENCE SNOWFALLS OF A...TRACE...1 INCH...4 INCHES OR MORE...

TRACE...SEPTEMBER 23 1942
0.1 OF AN INCH...OCTOBER 6 1889
1.0 INCH...OCTOBER 17 1896
14.6 INCHES...NOVEMBER 5 1896

THE LATEST DATE OF OCCURRENCE...

TRACE...DECEMBER 5 1999
0.1 OF AN INCH...DECEMBER 26 1888
1.0 INCH...JANUARY 20 1889

MADISON...

THE AVERAGE DATE OF OCCURRENCE...

FIRST TRACE OF SNOW IN AUTUMN...OCTOBER 25
FIRST MEASURABLE SNOW...NOVEMBER 5
FIRST ONE INCH OR MORE...NOVEMBER 18

THE EARLIEST OCCURRENCE SNOWFALLS OF A...TRACE...1 INCH...4 INCHES OR MORE...

TRACE...SEPTEMBER 23 1928
0.5 INCH...OCTOBER 6 1964
3.0 INCHES...OCTOBER 10 1990
4.8 INCHES...NOVEMBER 3 1951

THE LATEST DATE OF OCCURRENCE...

TRACE...NOVEMBER 28 1994
0.9 OF AN INCH...DECEMBER 15 1999
1.1 INCH...DECEMBER 23 2001
4.0 INCH...FEBRUARY 25 1899

Below is a chart showing the winter season snow accumulations (blue line) in Milwaukee from 1895 through the 2006-07 winter.  The black line is a 5-year moving-average trend line.  The normal winter season snowfall for Milwaukee is 52.4 inches, based on the period of 1971-2000.

MKE Snow Graphic

Below is a chart showing the winter season snow accumulations (blue line) in Madison from 1895 through the 2006-07 winter.  The black line is a 5-year moving-average trend line.  The normal winter season snowfall for Madison is 49.9 inches, based on the period of 1971-2000.

Madison Snow Graphic

Looking at the various decades, the following table lists the number of times that winter season snowfalls of 60 inches or more were observed at Milwaukee or Madison in each decade:

               Milwaukee       Madison
1880’s           2                     2
1890’s           2                     1
1900’s           4                     0
1910’s           1                     1
1920’s           3                     1
1930’s           2                     0
1940’s           0                     0
1950’s           3                     2
1960’s           2                     0
1970’s           3                     3
1980’s           2                     2
1990’s           3                     3
2000’s           0                     0



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