Climatological Report (Daily)
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838
CDUS43 KLOT 050643
CLIMDW

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
143 AM CDT SUN OCT 05 2025

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 4 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         89   3:08 PM  90    1951  69     20       72
  MINIMUM         67   6:07 AM  34    1989  51     16       61
  AVERAGE         78                        60     18       67

PRECIPITATION (IN)
  YESTERDAY        0.00          1.89 1991   0.11  -0.11     0.08
  MONTH TO DATE    0.00                      0.45  -0.45     0.08
  SINCE SEP 1      0.56                      3.22  -2.66     1.97
  SINCE JAN 1     25.38                     27.25  -1.87    31.44

DEGREE DAYS
 HEATING
  YESTERDAY        0                         6     -6        0
  MONTH TO DATE    0                        23    -23        5
  SINCE SEP 1     21                        82    -61       15
  SINCE JUL 1     23                        86    -63       15

 COOLING
  YESTERDAY       13                         2     11        2
  MONTH TO DATE   39                         8     31        4
  SINCE SEP 1    243                       144     99      223
  SINCE JAN 1   1384                      1100    284     1346
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     9.3


SKY COVER
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    73           4:00 AM
 LOWEST     30           4:00 PM
 AVERAGE    52

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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        89      1997
 MINIMUM TEMPERATURE (F)   51        31      1980


SUNRISE AND SUNSET
OCTOBER  5 2025.......SUNRISE   6:52 AM CDT   SUNSET   6:25 PM CDT
OCTOBER  6 2025.......SUNRISE   6:54 AM CDT   SUNSET   6:24 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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