234
CDUS43 KLOT 172232
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CST TUE DEC 17 2024
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 17 2024
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 39 3:04 PM 60 1977 36 3 44
MINIMUM 34 9:04 AM -7 1951 24 10 36
AVERAGE 37 30 7 40
PRECIPITATION (IN)
TODAY 0.00 1.28 1921 0.07 -0.07 T
MONTH TO DATE 0.41 1.22 -0.81 1.71
SINCE DEC 1 0.41 1.22 -0.81 1.71
SINCE JAN 1 33.40 36.97 -3.57 32.47
SNOWFALL (IN)
TODAY 0.0 4.6 1951 0.2 -0.2 0.0
MONTH TO DATE 0.2 3.8 -3.6 0.3
SINCE DEC 1 0.2 3.8 -3.6 0.3
SINCE JUL 1 3.1 5.8 -2.7 3.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 28 35 -7 25
MONTH TO DATE 595 555 40 434
SINCE DEC 1 595 555 40 434
SINCE JUL 1 1362 1706 -344 1398
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1212 1003 209 1145
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 10.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 12:00 AM
LOWEST 70 11:00 AM
AVERAGE 76
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 62 1877
MINIMUM TEMPERATURE (F) 24 -11 1983
SUNRISE AND SUNSET
DECEMBER 17 2024......SUNRISE 7:14 AM CST SUNSET 4:22 PM CST
DECEMBER 18 2024......SUNRISE 7:15 AM CST SUNSET 4:22 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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