166
CDUS43 KLOT 050633
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT TUE AUG 05 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 4 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 81 3:43 PM 100 1947 84 -3 91
MINIMUM 63 3:27 AM 53 1880 66 -3 71
1894
1992
AVERAGE 72 75 -3 81
PRECIPITATION (IN)
YESTERDAY 0.00 3.47 1989 0.14 -0.14 0.00
MONTH TO DATE 0.00 0.58 -0.58 0.51
SINCE JUN 1 7.92 8.39 -0.47 9.50
SINCE JAN 1 17.42 23.04 -5.62 24.77
SNOWFALL (IN)
YESTERDAY 0.0 T 2008 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 7 10 -3 16
MONTH TO DATE 19 40 -21 60
SINCE JUN 1 708 565 143 654
SINCE JAN 1 742 635 107 734
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 7.0
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 2:00 AM
LOWEST 47 11:00 AM
AVERAGE 70
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 102 1918
MINIMUM TEMPERATURE (F) 66 51 1994
SUNRISE AND SUNSET
AUGUST 5 2025........SUNRISE 5:50 AM CDT SUNSET 8:05 PM CDT
AUGUST 6 2025........SUNRISE 5:51 AM CDT SUNSET 8:04 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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