Climatological Report (Daily)
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362
CDUS43 KLOT 190633
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT THU SEP 19 2024

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 18 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2024


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         88   1:47 PM  94    1955  75     13       73
  MINIMUM         61   5:46 AM  40    1889  56      5       53
                                      1901
                                      1903
  AVERAGE         75                        66      9       63

PRECIPITATION (IN)
  YESTERDAY        0.00          2.41 2015   0.10  -0.10     0.00
  MONTH TO DATE    0.04                      1.94  -1.90     2.52
  SINCE SEP 1      0.04                      1.94  -1.90     2.52
  SINCE JAN 1     26.90                     28.65  -1.75    26.78

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   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      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3        2
  MONTH TO DATE   14                        24    -10       11
  SINCE SEP 1     14                        24    -10       11
  SINCE JUL 1     14                        30    -16       13

 COOLING
  YESTERDAY       10                         3      7        0
  MONTH TO DATE  122                        90     32       96
  SINCE SEP 1    122                        90     32       96
  SINCE JAN 1   1108                       962    146     1030
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     3.2


SKY COVER
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           2:00 AM
 LOWEST     26           2:00 PM
 AVERAGE    58

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        93      1955
 MINIMUM TEMPERATURE (F)   56        40      1991


SUNRISE AND SUNSET
SEPTEMBER 19 2024.....SUNRISE   6:36 AM CDT   SUNSET   6:53 PM CDT
SEPTEMBER 20 2024.....SUNRISE   6:37 AM CDT   SUNSET   6:51 PM CDT


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




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