199
CDUS43 KLOT 310641
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1241 AM CST TUE DEC 31 2024
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 30 2024
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)
YESTERDAY
MAXIMUM 42 3:07 PM 61 1884 33 9 37
MINIMUM 32 8:32 AM -7 1909 21 11 27
AVERAGE 37 27 10 32
PRECIPITATION (IN)
YESTERDAY 0.00 1.69 1972 0.06 -0.06 0.00
MONTH TO DATE 1.36 2.04 -0.68 2.89
SINCE DEC 1 1.36 2.04 -0.68 2.89
SINCE JAN 1 34.35 37.79 -3.44 33.65
SNOWFALL (IN)
YESTERDAY 0.0 5.1 1927 0.3 -0.3 0.0
MONTH TO DATE 2.4 7.3 -4.9 0.3
SINCE DEC 1 2.4 7.3 -4.9 0.3
SINCE JUL 1 5.3 9.3 -4.0 3.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 28 38 -10 33
MONTH TO DATE 986 1031 -45 767
SINCE DEC 1 986 1031 -45 767
SINCE JUL 1 1753 2182 -429 1731
COOLING
YESTERDAY 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 14 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 4.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 9:00 AM
LOWEST 73 3:00 PM
AVERAGE 85
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 33 68 1875
MINIMUM TEMPERATURE (F) 21 -10 1967
SUNRISE AND SUNSET
DECEMBER 31 2024......SUNRISE 7:20 AM CST SUNSET 4:30 PM CST
JANUARY 1 2025.......SUNRISE 7:20 AM CST SUNSET 4:31 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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