520
CDUS43 KLOT 100633
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT THU JUL 10 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 9 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 85 9:49 AM 98 1974 85 0 81
MINIMUM 69 9:49 PM 50 1895 66 3 69
AVERAGE 77 76 1 75
PRECIPITATION (IN)
YESTERDAY 0.01 2.43 1946 0.12 -0.11 0.38
MONTH TO DATE 0.74 0.99 -0.25 1.55
SINCE JUN 1 4.37 5.09 -0.72 4.65
SINCE JAN 1 13.87 19.74 -5.87 19.92
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 12 10 2 10
MONTH TO DATE 131 90 41 93
SINCE JUN 1 427 289 138 371
SINCE JAN 1 461 359 102 451
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 7.3
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 63 11:00 AM
AVERAGE 78
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 102 1901
1936
MINIMUM TEMPERATURE (F) 66 50 1996
1997
SUNRISE AND SUNSET
JULY 10 2025..........SUNRISE 5:26 AM CDT SUNSET 8:28 PM CDT
JULY 11 2025..........SUNRISE 5:26 AM CDT SUNSET 8:27 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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