Memorial Day Weather for Northern Illinois:   Statistics for Chicago and Rockford

 

Chicago:
The following statistics comprises 141 years of data.  Data collection began at the University of Chicago, then at Midway, and currently at O'Hare which is now the official station for Chicago.

High temperatures at Chicago on Memorial Day

Frequency distribution of high temperatures for Chicago. This dataset shows that the most frequent range of high temperatures on Memorial Day is in the 70 to 79 degree range. Since Memorial Day isn’t on a set day, there is no normal high temperature. The highest temperature on Memorial Day is 95 degrees which occurred on May 28th in 2012. The lowest high temperature on Memorial Day is 42 degrees, which occurred on May 30th, 1889. Last year, on May 27th, 2013, the high temperature was 62.

Low Temperatures for Chicago on Memorial Day

Frequency distribution of low temperatures for Chicago. This dataset shows that the most frequent range of low temperatures on Memorial Day is in the 50 to 59 degree range. Since Memorial Day isn’t on a set day, there is no normal low temperature. The lowest temperature for Chicago on Memorial Day is 32, which occurred on May 25th in 1992. The highest low temperature on Memorial Day is 77 which occurred on May 28th in 2012. The low temperature on May 27th, 2013, was 53 degrees.

Precipitation for Chicago on Memorial Day

Frequency distribution of precipitation for Chicago. This dataset shows that the most frequent amount of precipitation recorded on Memorial Day is 0.00”, which accounts for 52% of the days in the dataset. The next most frequent range is the 0.02” to 0.25” range. The highest amount of precipitation on Memorial Day occurred on May 28th, 1984 when 1.00” of rain fell. This is the only instance where an inch or more of precipitation fell on Memorial Day. Last year, May 27th, 2013, a 0.23" of precipitation fell.

 

ADDITIONAL MEMORIAL DAY CLIMATE DATA     ( * MEANS LAST OCCURRENCE)

MAX TEMP
WARMEST

MIN TEMP
WARMEST
PCPN
WETTEST
95
May 28, 2012*
77
May 28, 2012
1.00
May 28, 1984
93
May 30, 1953*
72
May 30, 1921 *
0.76
May 31, 1999
92
May 29, 1978*
71
May 30, 1942
0.75
May 30, 1883
91
May 29, 2006*
70
May 30, 1970
0.69
May 30, 1885
90
May 30, 1994
69
May 30, 1970 * 
0.53
May 30, 1931 
89
May 30, 1937 *
68
May 29, 2006 * 
0.50
May 29, 1972 *
88
May 30, 2011 *
67
May 30, 1944 * 
0.48
May 26, 2008
87
May 30, 1939*
66
May 31, 2010 *
0.47
May 30, 1917
86
May 30, 1962 *
64
May 31, 1999 *
0.45
May 30, 1904
84
May 30, 1970 *
63
May 30, 1960 
0.43
May 27, 1996
 
MAX TEMP
COLDEST
MIN TEMP
COLDEST
PCPN
DRIEST
42
May 30, 1889
32
May 25, 1992
0.00
May 30, 2011 *
46
May 30, 1894
35
May 30, 1951
T
May 28, 2012 *
51
May 25, 1992 * 
36
May 27, 1996
0.01
May 25, 1981 *
52
May 30, 1901
38
May 30, 1947 
0.02
May 30, 1903
54
May 30, 1910 
39
May 31, 1993 * 
0.03
May 30, 1977 ** 
55
May 26, 1997 * 
40
May 28, 1984 *
0.04
May 25, 2009 * 
56
May 30, 1930
42
May 30, 1945 * 
0.05
May  31, 1993 * 
57
May 30, 1940
43
May 27, 1974 *
0.06
May 30, 1918 *
58
May 30, 1931 *
44
May 29, 2000 * 
0.07
May 30, 1950  
59
May 30, 1916
45
April 30, 1983 *
0.09
May 28, 2001 *

Updated 5/23/2014 ACS


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.