Climatological Report (Daily)
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546
CDUS43 KLOT 080829
CLIMDW

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
329 AM CDT WED OCT 08 2025

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 7 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         68  12:28 AM  88    2007  68      0       69
  MINIMUM         53  11:53 PM  31    1935  50      3       50
                                      2000
  AVERAGE         61                        59      2       60

PRECIPITATION (IN)
  YESTERDAY        1.29R         1.29 2025   0.10   1.19     0.00
  MONTH TO DATE    1.41                      0.76   0.65     0.08
  SINCE SEP 1      1.97                      3.53  -1.56     1.97
  SINCE JAN 1     26.79                     27.56  -0.77    31.44

DEGREE DAYS
 HEATING
  YESTERDAY        4                         7     -3        5
  MONTH TO DATE    4                        44    -40       10
  SINCE SEP 1     25                       103    -78       20
  SINCE JUL 1     27                       107    -80       20

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   62                        11     51       12
  SINCE SEP 1    266                       147    119      231
  SINCE JAN 1   1407                      1103    304     1354
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     8.8


SKY COVER
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   111          11:00 AM
 LOWEST     45           5:00 PM
 AVERAGE    78

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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   67        88      2007
 MINIMUM TEMPERATURE (F)   50        30      1952


SUNRISE AND SUNSET
OCTOBER  8 2025.......SUNRISE   6:56 AM CDT   SUNSET   6:20 PM CDT
OCTOBER  9 2025.......SUNRISE   6:57 AM CDT   SUNSET   6:19 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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