644
CDUS43 KLOT 160631
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT WED JUL 16 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 15 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 3:01 PM 102 1988 85 6 90
MINIMUM 70 4:39 AM 52 1945 67 3 69
1967
AVERAGE 81 76 5 80
PRECIPITATION (IN)
YESTERDAY 0.00 1.88 1899 0.11 -0.11 0.53
MONTH TO DATE 2.93 1.70 1.23 5.55
SINCE JUN 1 6.56 5.80 0.76 8.65
SINCE JAN 1 16.06 20.45 -4.39 23.92
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 16 11 5 15
MONTH TO DATE 206 156 50 164
SINCE JUN 1 502 355 147 442
SINCE JAN 1 536 425 111 522
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 5.7
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 2:00 AM
LOWEST 49 3:00 PM
AVERAGE 64
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 100 1887
MINIMUM TEMPERATURE (F) 67 49 1945
SUNRISE AND SUNSET
JULY 16 2025..........SUNRISE 5:30 AM CDT SUNSET 8:25 PM CDT
JULY 17 2025..........SUNRISE 5:31 AM CDT SUNSET 8:24 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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