Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 100634
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT SUN AUG 10 2025
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 9 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 94 2:47 PM 104 1934 84 10 74
MINIMUM 78 5:57 AM 51 1972 67 11 61
AVERAGE 86 75 11 68
PRECIPITATION (IN)
YESTERDAY 0.00 2.13 1984 0.13 -0.13 0.00
MONTH TO DATE 0.00 1.10 -1.10 0.94
SINCE JUN 1 12.03 8.66 3.37 10.69
SINCE JAN 1 21.60 21.14 0.46 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 3
MONTH TO DATE 113 97 16 113
SINCE JUN 1 881 672 209 787
SINCE JAN 1 932 754 178 900
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 13.2
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 69 4:00 AM
LOWEST 46 12:00 PM
AVERAGE 58
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 99 1944
MINIMUM TEMPERATURE (F) 67 49 1972
SUNRISE AND SUNSET
AUGUST 10 2025........SUNRISE 5:54 AM CDT SUNSET 7:57 PM CDT
AUGUST 11 2025........SUNRISE 5:56 AM CDT SUNSET 7:56 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$