453
CDUS43 KLOT 110633
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT MON AUG 11 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 10 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 92 3:20 PM 99 1944 83 9 76
MINIMUM 79 6:22 AM 49 1972 67 12 57
AVERAGE 86 75 11 67
PRECIPITATION (IN)
YESTERDAY T 2.70 1980 0.13 -0.13 0.00
MONTH TO DATE T 1.23 -1.23 0.94
SINCE JUN 1 12.03 8.79 3.24 10.69
SINCE JAN 1 21.60 21.27 0.33 26.67
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 9 25 -16 3
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 21 10 11 2
MONTH TO DATE 134 107 27 115
SINCE JUN 1 902 682 220 789
SINCE JAN 1 953 764 189 902
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 11.2
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 2:00 AM
LOWEST 48 5:00 PM
AVERAGE 61
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THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 100 1941
MINIMUM TEMPERATURE (F) 67 50 1982
SUNRISE AND SUNSET
AUGUST 11 2025........SUNRISE 5:56 AM CDT SUNSET 7:56 PM CDT
AUGUST 12 2025........SUNRISE 5:57 AM CDT SUNSET 7:55 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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