Climatological Report (Monthly)
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000
CXUS53 KLOT 011340
CLMPWK

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
840 AM CDT THU JUN 01 2023

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

...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1996 TO 2023

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           89   05/31                          93  05/12
LOWEST            37   05/04                          40  05/04
AVG. MAXIMUM    71.4               69.5     1.9     72.9
AVG. MINIMUM    48.0               49.7    -1.7     55.1
MEAN            59.7               59.6     0.1     64.0
DAYS MAX >= 90     0                0.8    -0.8        5
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        1.08   2005
TOTALS          0.70R              3.76   -3.06     4.24
DAILY AVG.      0.02               0.12   -0.10     0.14
DAYS >= .01        9               12.1    -3.1       12
DAYS >= .10        1                7.7    -6.7        8
DAYS >= .50        0                2.8    -2.8        3
DAYS >= 1.00       0                1.0    -1.0        1
GREATEST
 24 HR. TOTAL   0.37   05/07 TO 05/08               1.12


DEGREE DAYS
HEATING TOTAL    185                220     -35      170
 SINCE 7/1      5442               6048    -606       MM
COOLING TOTAL     27                 52     -25      147
 SINCE 1/1        55                 60      -5       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.9
HIGHEST WIND SPEED/DIRECTION    25/310    DATE  05/01
                                25/180          05/05
HIGHEST GUST SPEED/DIRECTION    37/310    DATE  05/01

AVERAGE RH (PERCENT)     58

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       3     FOG W/VIS <= 1/4 MILE      0
HAZE                      2

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

$$


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