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by PatrickSkach from Weather

Last Post 1 day, 14 hours Ago


                                           2008
                                      Labor Day
                                   Climate Study
                                Weather Almanac
                                        Chicago
                                      1894 - 2007
 
Highest Temperature:                   97º   9-6-1954   (Average 77.7º)
 
Lowest Temperature:                    44º   9-2-1946 & 9-5-1988  (Average 61.3º)
 
Lowest Maximum Temperature:     61º   9-2-1974
 
Highest Minimum Temperature:     75º   9-3-1973
 
Highest Rainfall:                           1.49"   9-2-1912
 
41 36% Labor Day Holidays in Chicago of the past 114 experienced
Measurable Rainfall of 0.01" or Greater.
0.37" is the Average Rainfall for those 41 Days.
 
The Last Time Rain has fallen on a Labor Day:  9-4-2006   0.38"
 
The Number of Times the Respective Temperature Reached Into:
 
24 Hour Maximum Temperatures       24 Hour Minimum Temperatures
90ºs              8                     7%                70ºs           10                      9%
80ºs            43                   38%               60ºs           60                    53%
70ºs            46                   40%               50ºs           40                    35%
60ºs            17                   15%               40ºs             4                       3%
Totals:       114                  100%            Totals:       114                 100%
 
Warmest Labor Days (24 Hour Temperatures)
97º   9-6-1954                   91º   9-2-1929
96º   9-7-1959                   90º   9-7-1970
95º   9-1-1913                   89º   9-3-1956
95º   9-5-1983                   88º   9-1-1947
94º   9-7-1964                   88º   9-4-1995
93º   9-3-1973
 
Coolest Labor Days (24 Hour Temperatures)
44º   9-2-1946                 51º   9-3-1984
44º   9-5-1988                 52º   9-3-1928
46º   9-4-1972                 52º   9-3-1945
48º   9-7-1914                 52º   9-5-1966
50º   9-2-1974                 52º   9-7-1981
50º   9-6-1993                 53º   9-7-1953
 
Lowest Maximum Temperatures (24 Hour Values)
61º   9-2-1974                         64º   9-5-1988
63º   9-4-1905                         65º   9-5-1994
63º   9-2-1935                         65º   9-1-2003
 
Highest Minimum Temperatures (24 Hour Values)
75º   9-3-1973                         72º   9-1-1913
73º   9-7-1959                         71º   9-2-1912
73º   9-7-1970                         71º   9-5-1960
 
Rainiest Labor Days   (24 Hour Values)
1.49"   9-2-1912     1.00"   9-7-1998
1.30"   9-2-1963     0.97"   9-1-1952
1.20"   9-5-1898     0.81"   9-7-1942
1.06"   9-5-1983     0.65"   9-3-2002
1.00"   9-7-1981     0.49"   9-1-1980
 
Smallest Single Day Temperature Difference
24 Hour Range Between Maximum & Minimum
3º          9-3-1917                68º                65º
4º          9-3-1906                70º                66º
4º          9-5-1921                72º                68º
4º          9-1-2003                65º                61º
6º          9-3-1900                71º                65º
6º          9-3-1923                74º                68º
6º          9-2-1935                63º                57º
7º          9-5-1994                65º                58º
8º          9-4-1905                63º                55º
8º          9-1-1919                70º                62º
 
Greatest Single Day Temperature Difference
24 Hour Range Between Maximum & Minimum
30º        9-1-1997               85º                 55º
29º        9-5-2005               87º                 58º
28º        9-3-1945               80º                 52º
28º        9-6-1954               97º                 69º
28º        9-6-1976               83º                 55º
28º        9-1-1986               83º                 55º
27º        9-2-1946               71º                 44º
27º        9-5-1983               95º                 68º
26º        9-7-1964               94º                 68º
26º        9-4-1978               82º                 56º
26º        9-2-1996               84º                 58º
25º        9-3-1956               89º                 64º
25º        9-4-1972               71º                 46º
 
Hourly Occurrences of Rainfall (Trace or Greater)
for the Labor Day Holiday from 1950 - 2007
9-1-1952     0.97"     8:am - 3:pm   Daytime
9-2-1957     Trace    1:pm              Daytime
9-5-1960     Trace    3:am, 9:am     Night & Daytime
9-4-1961     0.20"    Midnite - 3:am, 2:pm - 4:pm   Night & Daytime
9-3-1962     0.04"    1:pm - 3:pm    Daytime
9-2-1963     1.30"    6:am - 11:am, 10:pm - Midnite  Night & Daytime
9-7-1964     Trace   3:am   Night
9-6-1965     Trace   7:pm   Daytime
9-5-1966     Trace   11:pm  Night
9-2-1968     0.02"    8:pm - 9:pm  Night & Daytime
9-7-1970     0.04"    11:pm  Night
9-6-1971     0.16"    2:am - 6:am, 5:pm  Night & Daytime
9-3-1973     0.19"    6:pm 0 8:pm   Daytime
9-2-1974     0.20"    1:am - 4:am, Noon - 5:pm  Night & Daytime
9-1-1980     0.49"    1:am - 7:am, Noon - 1:pm  Night & Daytime
9-7-1981     1.00"    3:pm - 7:pm    Daytime
9-6-1982     0.11"    7:am - 2:pm, 5:pm, 10:pm - 11:pm  Night & Daytime
9-5-1983     1.06"    7:am, 6:pm - Midnite   Night & Daytime
9-7-1987     Trace   9:am, 3:pm - 8:pm   Daytime
9-4-1989     0.13"   5:pm - 7:pm  Daytime
9-7-1992     0.19"   10:am - 11:am, 11:pm - Midnite   Night & Daytime
9-6-1993     0.24"   4:am - 7:am   Night & Daytime
9-5-1994     0.29"   3:am - 7:am   Night & Daytime
9-7-1998     1.00"   1:am - 3:am   Night
9-4-2000     Trace   9:am - 10:am   Daytime
9-3-2001     Trace   7:pm - 9:pm     Night & Daytime
9-2-2002     0.65"   9:am - Noon     Daytime
9-1-2003     0.32"   Midnite - 5:pm  Night & Daytime
9-6-2004     0.07"   10:am - 2:pm    Daytime
9-4-2006     0.38"   Midnite - 10:am, 1:pm - 3:pm, 6:pm - Midnite  Night & Daytime
 
Here is what the Hourly Occurrence of Rainfall Examination above is telling us:
Rainfall has occurred on Labor Day Holidays
During Night Time Hours:                4 Times or 13%
Rainfall has occurred on Labor Day Holidays
During Daylight Hours:                  11 Times or 37%
Rainfall has occurred on Labor Day Holidays
During Night & Daylight Hours:      15 Times or 50% 
From 1950 - 2007 there have been 30 Labor Days experiencing Rainfall
of a Trace of Greater.

Study Period
1894 - 2007
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