Climatological Report (Daily)
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000
CDUS43 KLOT 260634
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT TUE SEP 26 2023

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 25 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2023


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         75   1:12 PM  92    2017  72      3       68
  MINIMUM         64   8:16 AM  30    1942  53     11       55
  AVERAGE         70                        63      7       62

PRECIPITATION (IN)
  YESTERDAY        0.11          1.85 1961   0.11   0.00     0.03
  MONTH TO DATE    2.97                      2.70   0.27     2.20
  SINCE SEP 1      2.97                      2.70   0.27     2.20
  SINCE JAN 1     27.23                     29.41  -2.18    27.31

SNOWFALL (IN)
  YESTERDAY        0.0           T    1928   0.0    0.0      0.0
                                      1942
  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       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         4     -4        3
  MONTH TO DATE   13                        49    -36       26
  SINCE SEP 1     13                        49    -36       26
  SINCE JUL 1     15                        55    -40       26

 COOLING
  YESTERDAY        5                         2      3        0
  MONTH TO DATE  137                       108     29      154
  SINCE SEP 1    137                       108     29      154
  SINCE JAN 1   1071                       980     91     1155
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SE (120)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     8.2


SKY COVER
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           8:00 AM
 LOWEST     63          12:00 AM
 AVERAGE    75

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        92      2017
 MINIMUM TEMPERATURE (F)   53        35      1928


SUNRISE AND SUNSET
SEPTEMBER 26 2023.....SUNRISE   6:43 AM CDT   SUNSET   6:42 PM CDT
SEPTEMBER 27 2023.....SUNRISE   6:44 AM CDT   SUNSET   6:40 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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