Climatological Report (Daily)
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520
CDUS43 KLOT 100633
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT THU JUL 10 2025

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 9 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         85   9:49 AM  98    1974  85      0       81
  MINIMUM         69   9:49 PM  50    1895  66      3       69
  AVERAGE         77                        76      1       75

PRECIPITATION (IN)
  YESTERDAY        0.01          2.43 1946   0.12  -0.11     0.38
  MONTH TO DATE    0.74                      0.99  -0.25     1.55
  SINCE JUN 1      4.37                      5.09  -0.72     4.65
  SINCE JAN 1     13.87                     19.74  -5.87    19.92

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 JUN 1      0.0                       0.0    0.0       T
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     13                        31    -18        6
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       12                        10      2       10
  MONTH TO DATE  131                        90     41       93
  SINCE JUN 1    427                       289    138      371
  SINCE JAN 1    461                       359    102      451
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     7.3


SKY COVER
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           5:00 AM
 LOWEST     63          11:00 AM
 AVERAGE    78

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85       102      1901
                                             1936
 MINIMUM TEMPERATURE (F)   66        50      1996
                                             1997


SUNRISE AND SUNSET
JULY 10 2025..........SUNRISE   5:26 AM CDT   SUNSET   8:28 PM CDT
JULY 11 2025..........SUNRISE   5:26 AM CDT   SUNSET   8:27 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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