905
CXUS53 KLOT 011316
CLMPWK

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
816 AM CDT FRI MAY 01 2026

...................................

...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1996 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             88   04/27/2021
                       04/18/2002
                       04/16/2002
 LOW              20   04/07/2018
                       04/09/1997
HIGHEST           81   04/12                          83  04/28
                       04/14
LOWEST            28   04/07                          24  04/08
AVG. MAXIMUM    63.2               58.1     5.1     59.0
AVG. MINIMUM    42.8               39.3     3.5     39.5
MEAN            53.0               48.7     4.3     49.3
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     3                6.1    -3.1        3
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.11   1999
 MINIMUM        0.44   2005
TOTALS          7.32               3.31    4.01     2.07
DAILY AVG.      0.24               0.11    0.13     0.07
DAYS >= .01       17               11.2     5.8       MM
DAYS >= .10       10                6.9     3.1       MM
DAYS >= .50        5                1.9     3.1       MM
DAYS >= 1.00       4                0.8     3.2       MM
GREATEST
 24 HR. TOTAL   1.73   04/14 TO 04/15               0.90


DEGREE DAYS
HEATING TOTAL    366                495    -129      467
 SINCE 7/1      5544               5829    -285       MM
COOLING TOTAL     13                  6       7        3
 SINCE 1/1        13                  8       5       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
HIGHEST WIND SPEED/DIRECTION    37/330    DATE  04/14
HIGHEST GUST SPEED/DIRECTION    49/330    DATE  04/14

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             11     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       9
LIGHT RAIN               21     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

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