Climatological Report (Daily)
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491
CDUS43 KLOT 020641
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
141 AM CDT FRI OCT 02 2026

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 1 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         70   2:24 PM  92    1971  69      1       76
  MINIMUM         61  11:59 PM  32    1886  51     10       63
                                      1974
  AVERAGE         66                        60      6       70

PRECIPITATION (IN)
  YESTERDAY        1.41          1.56 2018   0.11   1.30     0.00
  MONTH TO DATE    1.41                      0.11   1.30     0.00
  SINCE SEP 1      5.11                      3.30   1.81     0.49
  SINCE JAN 1     36.08                     30.01   6.07    22.94

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                         6     -6        0
  MONTH TO DATE    0                         6     -6        0
  SINCE SEP 1     27                        83    -56       32
  SINCE JUL 1     27                        89    -62       37

 COOLING
  YESTERDAY        1                         1      0        5
  MONTH TO DATE    1                         1      0        5
  SINCE SEP 1    188                       117     71      171
  SINCE JAN 1   1114                       989    125     1163
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     8.3


SKY COVER
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           3:00 PM
 LOWEST     84           9:00 AM
 AVERAGE    91

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        91      1971
 MINIMUM TEMPERATURE (F)   51        28      1974


SUNRISE AND SUNSET
OCTOBER  2 2026.......SUNRISE   6:50 AM CDT   SUNSET   6:31 PM CDT
OCTOBER  3 2026.......SUNRISE   6:51 AM CDT   SUNSET   6:30 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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