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467
CDUS43 KLOT 130633
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT FRI SEP 13 2024

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 12 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2024


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         87   2:45 PM  96    1952  77     10       72
  MINIMUM         63   5:20 AM  44    1955  59      4       57
                                      2014
  AVERAGE         75                        68      7       65

PRECIPITATION (IN)
  YESTERDAY        0.00          2.43 1961   0.10  -0.10     0.00
  MONTH TO DATE    0.04                      1.33  -1.29     0.89
  SINCE SEP 1      0.04                      1.33  -1.29     0.89
  SINCE JAN 1     26.90                     28.04  -1.14    25.15

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                         2     -2        0
  MONTH TO DATE   14                        10      4        2
  SINCE SEP 1     14                        10      4        2
  SINCE JUL 1     14                        16     -2        4

 COOLING
  YESTERDAY       10                         4      6        0
  MONTH TO DATE   52                        67    -15       94
  SINCE SEP 1     52                        67    -15       94
  SINCE JAN 1   1038                       939     99     1028
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     6.9


SKY COVER
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75           3:00 AM
 LOWEST     30           1:00 PM
 AVERAGE    53

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        98      1939
 MINIMUM TEMPERATURE (F)   58        39      1890


SUNRISE AND SUNSET
SEPTEMBER 13 2024.....SUNRISE   6:30 AM CDT   SUNSET   7:04 PM CDT
SEPTEMBER 14 2024.....SUNRISE   6:31 AM CDT   SUNSET   7:02 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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