557
CDUS43 KLOT 250634
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT FRI JUL 25 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 24 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 92 12:40 PM 105 1934 85 7 75
MINIMUM 74 3:44 PM 53 2000 67 7 67
AVERAGE 83 76 7 71
PRECIPITATION (IN)
YESTERDAY 0.03 3.64 2010 0.13 -0.10 T
MONTH TO DATE 3.51 2.80 0.71 5.75
SINCE JUN 1 7.14 6.90 0.24 8.85
SINCE JAN 1 16.64 21.55 -4.91 24.12
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 31 -18 6
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 18 11 7 6
MONTH TO DATE 301 255 46 236
SINCE JUN 1 597 454 143 514
SINCE JAN 1 631 524 107 594
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 9.2
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 2:00 PM
LOWEST 57 1:00 PM
AVERAGE 74
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 101 1940
MINIMUM TEMPERATURE (F) 67 53 1911
SUNRISE AND SUNSET
JULY 25 2025..........SUNRISE 5:39 AM CDT SUNSET 8:17 PM CDT
JULY 26 2025..........SUNRISE 5:40 AM CDT SUNSET 8:16 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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