Climatological Report (Daily)
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791
CDUS43 KLOT 302135
CLIMDW

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT THU JUL 30 2026

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JULY 30 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         86   2:59 PM 104    1999  84      2       82
  MINIMUM         63   3:54 AM  51    1936  68     -5       70
  AVERAGE         75                        76     -1       76

PRECIPITATION (IN)
  TODAY            0.00          2.43 1979   0.12  -0.12     0.53
  MONTH TO DATE    6.13                      3.43   2.70     6.58
  SINCE JUN 1     13.47                      7.44   6.03    11.95
  SINCE JAN 1     27.36                     19.92   7.44    21.52

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      3                        24    -21        9
  SINCE JUL 1      0                         0      0        0

 COOLING
  TODAY           10                        11     -1       11
  MONTH TO DATE  382                       345     37      435
  SINCE JUN 1    575                       567      8      759
  SINCE JAN 1    659                       649     10      810
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     2.3


SKY COVER
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           4:00 AM
 LOWEST     38          10:00 AM
 AVERAGE    61

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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        99      1945
                                             2006
 MINIMUM TEMPERATURE (F)   68        50      1936


SUNRISE AND SUNSET
JULY 30 2026..........SUNRISE   5:43 AM CDT   SUNSET   8:11 PM CDT
JULY 31 2026..........SUNRISE   5:44 AM CDT   SUNSET   8:10 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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