266
CDUS43 KLOT 080632
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT FRI AUG 08 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 7 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 91 3:43 PM 99 1918 84 7 78
MINIMUM 73 5:24 AM 50 1990 66 7 64
1994
AVERAGE 82 75 7 71
PRECIPITATION (IN)
YESTERDAY 0.00 2.36 2018 0.12 -0.12 0.00
MONTH TO DATE 0.00 0.98 -0.98 0.85
SINCE JUN 1 7.92 8.79 -0.87 9.84
SINCE JAN 1 17.42 23.44 -6.02 25.11
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 T
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 13 33 -20 6
SINCE JUL 1 0 2 -2 0
COOLING
YESTERDAY 17 10 7 6
MONTH TO DATE 56 70 -14 90
SINCE JUN 1 745 595 150 684
SINCE JAN 1 779 665 114 764
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 5:00 AM
LOWEST 49 4:00 PM
AVERAGE 64
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 100 1934
MINIMUM TEMPERATURE (F) 66 52 1976
SUNRISE AND SUNSET
AUGUST 8 2025........SUNRISE 5:53 AM CDT SUNSET 8:01 PM CDT
AUGUST 9 2025........SUNRISE 5:54 AM CDT SUNSET 8:00 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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