882
CXUS53 KLOT 021923 CCA
CLMPWK

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1010 AM CDT THU MAY 01 2025

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

...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1996 TO 2025

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           83   04/28                          79  04/14
                                                          04/27
LOWEST            24   04/08                          30  04/06
                                                          04/25
AVG. MAXIMUM    59.0               58.1     0.9     60.6
AVG. MINIMUM    39.5               39.3     0.2     41.9
MEAN            49.3               48.7     0.6     51.2
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          2.07               3.31   -1.24     2.88
DAILY AVG.      0.07               0.11   -0.04     0.10
DAYS >= .01       12               11.2     0.8       13
DAYS >= .10        5                6.9    -1.9       10
DAYS >= .50        1                1.9    -0.9        0
DAYS >= 1.00       0                0.8    -0.8        0
GREATEST
 24 HR. TOTAL   0.90   04/02 TO 04/02               0.83


DEGREE DAYS
HEATING TOTAL    467                495     -28      408
 SINCE 7/1      5364               5829    -465       MM
COOLING TOTAL      3                  6      -3        4
 SINCE 1/1         3                  8      -5       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.2
HIGHEST WIND SPEED/DIRECTION    31/200    DATE  04/28
HIGHEST GUST SPEED/DIRECTION    45/270    DATE  04/21

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       6
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

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