Memorial Day Weather Statistics for Milwaukee and Madison

 

Here are some statistics about the weather on past Memorial Day holidays in Milwaukee and Madison.
Being a springtime occurrence, the last Monday in May has a climatology that is characterized
by wide variations in temperature from year to year. The transition from winter to summer happens at
different times in different years, making Memorial Day one holiday with rather interesting weather!
Update (8:28pm Saturday, May 28) - Memorial Day 2010 was May 31, not May 24. The statistics have
been corrected to reflect this. We apologize for any inconvenience that may have been caused by
this error.
 
First, here are the statistics we have compiled for Milwaukee.

THE FOLLOWING STATISTICS COVER 140 YEARS OF WEATHER RECORDS...GOING
BACK TO 1871.


HIGHEST TEMPERATURE...91 DEGREES ON MAY 30 1994
LOWEST TEMPERATURE... 33 DEGREES ON MAY 29 1961

LOWEST MAXIMUM TEMPERATURE... 46 DEGREES ON MAY 27 1889
HIGHEST MINIMUM TEMPERATURE... 71 DEGREES ON MAY 27 1929
AND MAY 30 1991.

NORMAL HIGH TEMPERATURE... 71 DEGREES
NORMAL LOW TEMPERATURE... 51 DEGREES

NORMAL PRECIPITATION... 0.10 INCHES


THE NUMBER OF MEMORIAL DAYS THE MAXIMUM TEMPERATURE REACHED...

90 DEGREES OR ABOVE... 3 OR 2 PERCENT
80 TO 89 DEGREES..... 20 OR 14 PERCENT
70 TO 79 DEGREES..... 37 OR 26 PERCENT
60 TO 69 DEGREES..... 55 OR 39 PERCENT
50 TO 59 DEGREES..... 21 OR 15 PERCENT
40 TO 49 DEGREES..... 4 OR 3 PERCENT


A BIT ABOUT PRECIPITATION...

55 MEMORIAL DAYS HAD RAINFALL...39 PERCENT.
9 DAYS HAD A RAINFALL OF 0.25 INCH OR GREATER...6 PERCENT.
4 DAYS HAD A RAINFALL OF 0.50 INCH OR GREATER...3 PERCENT.
1 DAY HAD A RAINFALL OF 1.00 INCH OR GREATER...ABOUT ONE PERCENT.

THE MOST PRECIPITATION ON MEMORIAL DAY OCCURRED ON MAY 29 1989...
WHEN 1.22 INCHES FELL. A TRACE OF HAIL FELL ON MAY 25 1987.


WIND...

HIGHEST AVERAGE WIND SPEED... 18.1 MPH ON MAY 28 1956.
NORMAL AVERAGE WIND SPEED... 11.5 MPH.
PEAK WIND GUST... 51 MPH FROM THE WEST ON MAY 26 1980.


LISTED BELOW ARE CLIMATIC DATA FOR THE PAST 10 MEMORIAL DAYS...

DATE HIGH LOW PRECIP

MAY 31 2010 77 57 0.01
MAY 25 2009 61 48 TRACE
MAY 26 2008 81 41 0.06
MAY 28 2007 71 49 0.00
MAY 29 2006 89 70 0.13
MAY 30 2005 67 48 0.00
MAY 31 2004 66 53 0.21
MAY 26 2003 64 49 0.00
MAY 27 2002 72 50 0.00
MAY 28 2001 71 52 0.01
 
And now some statistics for Madison:

THE FOLLOWING STATISTICS COVER 140 YEARS OF WEATHER RECORDS...GOING
BACK TO 1871.


HIGHEST TEMPERATURE...88 DEGREES ON MAY 30 1988.
LOWEST TEMPERATURE... 32 DEGREES ON MAY 25 1992.

LOWEST MAXIMUM TEMPERATURE...50 DEGREES ON MAY 25 1925.
HIGHEST MINIMUM TEMPERATURE...73 DEGREES ON MAY 29 1871.

NORMAL HIGH TEMPERATURE... 74 DEGREES.
NORMAL LOW TEMPERATURE... 51 DEGREES.

NORMAL PRECIPITATION... 0.12 INCHES.


THE NUMBER OF MEMORIAL DAYS THE MAXIMUM TEMPERATURE WAS...

90 DEGREES OR ABOVE...0 OR 0 PERCENT
80 TO 89 DEGREES.....24 OR 17 PERCENT
70 TO 79 DEGREES.....60 OR 43 PERCENT
60 TO 69 DEGREES.....43 OR 31 PERCENT
50 TO 59 DEGREES.....12 OR 9 PERCENT
40 TO 49 DEGREES......0 OR 0 PERCENT


A BIT ABOUT PRECIPITATION...

63 MEMORIAL DAYS HAD RAINFALL...45 PERCENT.
15 DAYS HAD A RAINFALL OF 0.25 INCH OR GREATER...10 PERCENT.
4 DAYS HAD A RAINFALL OF 0.50 INCH OR GREATER...3 PERCENT.
1 DAY HAD A RAINFALL OF 1.00 INCH OR GREATER...ABOUT ONE PERCENT.

THE MOST PRECIPITATION ON MEMORIAL DAY OCCURRED ON MAY 25 1908...
WHEN 1.06 INCHES FELL.


WIND...

HIGHEST AVERAGE WIND SPEED... 14.9 MPH ON MAY 26 1997.
NORMAL AVERAGE WIND SPEED... 9.8 MPH.
PEAK WIND GUST... 37 MPH FROM THE NORTH ON MAY 31 1993.


LISTED BELOW ARE CLIMATIC DATA FOR THE PAST 10 MEMORIAL DAYS...

DATE HIGH LOW PRECIP.

MAY 31 2010 78 54 TRACE
MAY 25 2009 69 46 TRACE
MAY 26 2008 82 50 0.00
MAY 28 2007 76 45 0.00
MAY 29 2006 89 71 0.00
MAY 30 2005 75 49 0.00
MAY 31 2004 69 56 0.34
MAY 26 2003 74 41 0.00
MAY 27 2002 76 52 0.00
MAY 28 2001 69 46 0.00



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