340
CDUS43 KLOT 010634
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1234 AM CST MON DEC 01 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 30 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 33 2:12 AM 66 1962 42 -9 25
MINIMUM 18 11:59 PM -1 1947 29 -11 14
AVERAGE 26 35 -9 20
PRECIPITATION (IN)
YESTERDAY 0.02 0.84 1881 0.08 -0.06 0.00
MONTH TO DATE 2.11 2.42 -0.31 3.63
SINCE SEP 1 5.27 9.04 -3.77 6.13
SINCE JAN 1 27.72 35.75 -8.03 32.99
SNOWFALL (IN)
YESTERDAY 0.3 3.0 1907 0.1 0.2 0.0
MONTH TO DATE 10.4 1.8 8.6 2.9
SINCE SEP 1 10.4 2.0 8.4 2.9
SINCE JUL 1 10.4 2.0 8.4 2.9
SNOW DEPTH 7
DEGREE DAYS
HEATING
YESTERDAY 39 30 9 45
MONTH TO DATE 673 713 -40 558
SINCE SEP 1 964 1145 -181 767
SINCE JUL 1 969 1151 -182 767
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE SEP 1 223 131 92 226
SINCE JAN 1 1215 1003 212 1212
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WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 11.2
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 12:00 AM
LOWEST 63 3:00 PM
AVERAGE 78
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 68 1970
MINIMUM TEMPERATURE (F) 28 -6 1893
SUNRISE AND SUNSET
DECEMBER 1 2025......SUNRISE 7:00 AM CST SUNSET 4:21 PM CST
DECEMBER 2 2025......SUNRISE 7:01 AM CST SUNSET 4:21 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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