057
CDUS43 KLOT 060641
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1241 AM CST SAT DEC 06 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 5 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 30 2:25 PM 68 2001 40 -10 29
MINIMUM 9 3:05 AM 4 2005 27 -18 12
AVERAGE 20 33 -13 21
PRECIPITATION (IN)
YESTERDAY 0.00 1.10 1906 0.08 -0.08 0.00
MONTH TO DATE 0.16 0.39 -0.23 T
SINCE DEC 1 0.16 0.39 -0.23 T
SINCE JAN 1 27.88 36.14 -8.26 32.99
SNOWFALL (IN)
YESTERDAY 0.0 3.9 1977 0.3 -0.3 0.0
MONTH TO DATE 1.9 1.1 0.8 0.2
SINCE DEC 1 1.9 1.1 0.8 0.2
SINCE JUL 1 12.3 3.1 9.2 3.1
SNOW DEPTH 5
DEGREE DAYS
HEATING
YESTERDAY 45 32 13 44
MONTH TO DATE 223 154 69 210
SINCE DEC 1 223 154 69 210
SINCE JUL 1 1192 1305 -113 977
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1215 1003 212 1212
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 11.5
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 6:00 AM
LOWEST 41 2:00 PM
AVERAGE 61
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 39 65 1951
1980
MINIMUM TEMPERATURE (F) 27 0 1885
1972
2007
SUNRISE AND SUNSET
DECEMBER 6 2025......SUNRISE 7:05 AM CST SUNSET 4:20 PM CST
DECEMBER 7 2025......SUNRISE 7:06 AM CST SUNSET 4:20 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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