Climatological Report (Monthly)
Issued by NWS

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CXUS53 KLOT 271245
CLMORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
738 AM CDT FRI OCT 27 2023

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF MAY 2023...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              98   05/31/1934
 LOW               27   05/02/1875
HIGHEST            MM                70      MM       MM  MM
LOWEST             MM                48      MM       MM  MM
AVG. MAXIMUM       MM              70.0      MM       MM
AVG. MINIMUM       MM              48.3      MM       MM
MEAN               MM              59.1      MM       MM
DAYS MAX >= 90      0               0.5    -0.5       MM
DAYS MAX <= 32      0               0.0     0.0       MM
DAYS MIN <= 32      0               0.3    -0.3       MM
DAYS MIN <= 0       0               0.0     0.0       MM

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.51   2020
 MINIMUM         0.30   1992
TOTALS             MM              3.68      MM       MM
DAILY AVG.         MM              0.12      MM       MM
DAYS >= .01         0              11.6   -11.6       MM
DAYS >= .10         0               7.2    -7.2       MM
DAYS >= .50         0               2.2    -2.2       MM
DAYS >= 1.00        0               0.8    -0.8       MM
GREATEST
 24 HR. TOTAL      MM                                 MM

DEGREE_DAYS
HEATING TOTAL      MM               225      MM       MM
 SINCE 7/1         MM              6292      MM       MM
COOLING TOTAL      MM                44      MM       MM
 SINCE 1/1         MM                54      MM       MM
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              MM
RESULTANT WIND SPEED/DIRECTION  MM
HIGHEST WIND SPEED/DIRECTION    MM        DATE   MM
HIGHEST GUST SPEED/DIRECTION    MM        DATE   MM


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

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

$$


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