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CDUS43 KLOT 042144
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
444 PM CDT WED OCT 04 2023

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 4 2023...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2023


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         84   1:32 PM  90    1951  68     16       74
  MINIMUM         72   6:56 AM  32    1980  50     22       45
                                      1989
  AVERAGE         78                        59     19       60

PRECIPITATION (IN)
  TODAY            0.00          2.57 1991   0.11  -0.11     0.00
  MONTH TO DATE    0.00                      0.45  -0.45     0.00
  SINCE SEP 1      3.36                      3.64  -0.28     2.20
  SINCE JAN 1     27.62                     30.35  -2.73    27.31

SNOWFALL (IN)
  TODAY            0.0           T    2014   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            0                         7     -7        5
  MONTH TO DATE    0                        27    -27       25
  SINCE SEP 1     13                       104    -91      100
  SINCE JUL 1     15                       110    -95      100

 COOLING
  TODAY           13                         1     12        0
  MONTH TO DATE   44                         4     40        0
  SINCE SEP 1    199                       120     79      154
  SINCE JAN 1   1133                       992    141     1155
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    11.1


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    64           7:00 AM
 LOWEST     43          12:00 PM
 AVERAGE    54

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        88      1997
 MINIMUM TEMPERATURE (F)   49        28      1980


SUNRISE AND SUNSET
OCTOBER  4 2023.......SUNRISE   6:52 AM CDT   SUNSET   6:28 PM CDT
OCTOBER  5 2023.......SUNRISE   6:53 AM CDT   SUNSET   6:27 PM CDT


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




$$
National Weather Service National Headquarters
