839
CDUS43 KLOT 050643
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
143 AM CDT SUN OCT 05 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 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 88 2:17 PM 90 1951 68 20 70
MINIMUM 68 6:32 AM 32 1980 50 18 58
1989
AVERAGE 78 59 19 64
PRECIPITATION (IN)
YESTERDAY 0.00 2.57 1991 0.11 -0.11 0.01
MONTH TO DATE 0.00 0.45 -0.45 0.01
SINCE SEP 1 0.49 3.64 -3.15 1.33
SINCE JAN 1 22.94 30.35 -7.41 28.19
SNOWFALL (IN)
YESTERDAY 0.0 T 2014 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 7 -7 1
MONTH TO DATE 0 27 -27 8
SINCE SEP 1 32 104 -72 23
SINCE JUL 1 37 110 -73 23
COOLING
YESTERDAY 13 1 12 0
MONTH TO DATE 37 4 33 2
SINCE SEP 1 203 120 83 192
SINCE JAN 1 1195 992 203 1178
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 8.7
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 7:00 AM
LOWEST 32 4:00 PM
AVERAGE 53
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 88 1997
MINIMUM TEMPERATURE (F) 49 28 1980
SUNRISE AND SUNSET
OCTOBER 5 2025.......SUNRISE 6:53 AM CDT SUNSET 6:26 PM CDT
OCTOBER 6 2025.......SUNRISE 6:54 AM CDT SUNSET 6:24 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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