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CXUS53 KLOT 011527
CLMPWK

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1027 AM CDT SUN JUN 01 2025

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

...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 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             97   05/27/2018
 LOW              29   05/03/2004
HIGHEST           93   05/15                          88  05/21
LOWEST            35   05/09                          43  05/30
AVG. MAXIMUM    66.4               69.5    -3.1     73.8
AVG. MINIMUM    46.6               49.7    -3.1     51.8
MEAN            56.5               59.6    -3.1     62.8
DAYS MAX >= 90     1                0.8     0.2        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.1    -0.1        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.04   2018
 MINIMUM        0.70   2023
TOTALS          1.87               3.76   -1.89     4.23
DAILY AVG.      0.06               0.12   -0.06     0.14
DAYS >= .01        6               12.1    -6.1       15
DAYS >= .10        4                7.7    -3.7       12
DAYS >= .50        1                2.8    -1.8        2
DAYS >= 1.00       0                1.0    -1.0        1
GREATEST
 24 HR. TOTAL   0.92   05/20 TO 05/20               1.15


DEGREE DAYS
HEATING TOTAL    275                220      55       96
 SINCE 7/1      5639               6048    -409       MM
COOLING TOTAL     18                 52     -34       33
 SINCE 1/1        21                 60     -39       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.7
HIGHEST WIND SPEED/DIRECTION    33/190    DATE  05/15
HIGHEST GUST SPEED/DIRECTION    50/180    DATE  05/15

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      12     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.

$$