816
CDUS43 KLOT 040643
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
143 AM CDT SAT OCT 04 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 3 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 90 1:50 PM 91 1954 70 20 80
MINIMUM 66 6:02 AM 29 1974 52 14 53
AVERAGE 78 61 17 67
PRECIPITATION (IN)
YESTERDAY 0.00 3.95 1954 0.11 -0.11 0.00
MONTH TO DATE 0.00 0.34 -0.34 0.00
SINCE SEP 1 0.56 3.11 -2.55 1.89
SINCE JAN 1 25.38 27.14 -1.76 31.36
DEGREE DAYS
HEATING
YESTERDAY 0 6 -6 0
MONTH TO DATE 0 17 -17 5
SINCE SEP 1 21 76 -55 15
SINCE JUL 1 23 80 -57 15
COOLING
YESTERDAY 13 2 11 2
MONTH TO DATE 26 6 20 2
SINCE SEP 1 230 142 88 221
SINCE JAN 1 1371 1098 273 1344
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WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 63 7:00 AM
LOWEST 32 2:00 PM
AVERAGE 48
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THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 90 1951
MINIMUM TEMPERATURE (F) 51 34 1989
SUNRISE AND SUNSET
OCTOBER 4 2025.......SUNRISE 6:51 AM CDT SUNSET 6:27 PM CDT
OCTOBER 5 2025.......SUNRISE 6:52 AM CDT SUNSET 6:25 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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