Climatological Report (Daily)
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581
CDUS43 KLOT 260633
CLIMDW

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT SAT SEP 26 2026

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 25 2026...

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)
 YESTERDAY
  MAXIMUM         64   4:47 PM  92    2017  73     -9       77
  MINIMUM         56  11:29 PM  30    1942  55      1       60
  AVERAGE         60                        64     -4       69

PRECIPITATION (IN)
  YESTERDAY        0.00          2.00 1931   0.09  -0.09     0.00
  MONTH TO DATE    4.49                      2.34   2.15     0.56
  SINCE SEP 1      4.49                      2.34   2.15     0.56
  SINCE JAN 1     36.63                     26.37  10.26    25.38

DEGREE DAYS
 HEATING
  YESTERDAY        5                         4      1        0
  MONTH TO DATE   16                        37    -21       21
  SINCE SEP 1     16                        37    -21       21
  SINCE JUL 1     16                        41    -25       23

 COOLING
  YESTERDAY        0                         3     -3        4
  MONTH TO DATE  201                       125     76      157
  SINCE SEP 1    201                       125     76      157
  SINCE JAN 1   1172                      1081     91     1298
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     5.5


SKY COVER
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           2:00 AM
 LOWEST     52           5:00 PM
 AVERAGE    70

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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        93      1998
                                             2017
 MINIMUM TEMPERATURE (F)   55        30      1928


SUNRISE AND SUNSET
SEPTEMBER 26 2026.....SUNRISE   6:43 AM CDT   SUNSET   6:41 PM CDT
SEPTEMBER 27 2026.....SUNRISE   6:44 AM CDT   SUNSET   6:39 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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