Climatological Report (Daily)
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680
CDUS43 KLOT 170632
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1232 AM CST MON NOV 17 2025

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 16 2025...

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)
 YESTERDAY
  MAXIMUM         49   2:58 PM  73    1952  48      1       52
  MINIMUM         36  11:58 PM   6    1959  34      2       42
  AVERAGE         43                        41      2       47

PRECIPITATION (IN)
  YESTERDAY        0.00          1.20 1928   0.08  -0.08     0.00
  MONTH TO DATE    0.75                      1.34  -0.59     2.84
  SINCE SEP 1      3.91                      7.96  -4.05     5.34
  SINCE JAN 1     26.36                     34.67  -8.31    32.20

SNOWFALL (IN)
  YESTERDAY        0.0           0.9  1920   0.1   -0.1      0.0
  MONTH TO DATE    1.7                       0.5    1.2      0.0
  SINCE SEP 1      1.7                       0.7    1.0      0.0
  SINCE JUL 1      1.7                       0.7    1.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       22                        24     -2       18
  MONTH TO DATE  300                       332    -32      203
  SINCE SEP 1    591                       764   -173      412
  SINCE JUL 1    596                       770   -174      412

 COOLING
  YESTERDAY        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    21   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED    11.3


SKY COVER
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    42          10:00 PM
 LOWEST     24          12:00 PM
 AVERAGE    33

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   48        74      1952
                                             1971
                                             1975
 MINIMUM TEMPERATURE (F)   34         3      1959


SUNRISE AND SUNSET
NOVEMBER 17 2025......SUNRISE   6:44 AM CST   SUNSET   4:29 PM CST
NOVEMBER 18 2025......SUNRISE   6:45 AM CST   SUNSET   4:28 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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