Climatological Report (Daily)
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220
CDUS43 KLOT 182241
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CST TUE NOV 18 2025

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 18 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         44  12:38 AM  72    1953  47     -3       60
  MINIMUM         40   8:05 AM   8    1880  33      7       49
  AVERAGE         42                        40      2       55

PRECIPITATION (IN)
  TODAY            0.30          1.44 1921   0.08   0.22     0.42
  MONTH TO DATE    1.05                      1.50  -0.45     3.29
  SINCE SEP 1      4.21                      8.12  -3.91     5.79
  SINCE JAN 1     26.66                     34.83  -8.17    32.65

SNOWFALL (IN)
  TODAY            0.0           2.5  1986   0.1   -0.1      0.0
  MONTH TO DATE    1.7                       0.6    1.1      0.0
  SINCE SEP 1      1.7                       0.8    0.9      0.0
  SINCE JUL 1      1.7                       0.8    0.9      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           23                        25     -2       10
  MONTH TO DATE  349                       381    -32      225
  SINCE SEP 1    640                       813   -173      434
  SINCE JUL 1    645                       819   -174      434

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        1
  SINCE SEP 1    223                       131     92      226
  SINCE JAN 1   1215                      1003    212     1212
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     9.7


SKY COVER
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           8:00 AM
 LOWEST     65          12:00 AM
 AVERAGE    79

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   47        75      1930
 MINIMUM TEMPERATURE (F)   33        10      1894


SUNRISE AND SUNSET
NOVEMBER 18 2025......SUNRISE   6:45 AM CST   SUNSET   4:28 PM CST
NOVEMBER 19 2025......SUNRISE   6:47 AM CST   SUNSET   4:27 PM CST


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




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