343
CDUS43 KLOT 182234
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CST WED DEC 18 2024
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 18 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 35 2:35 AM 62 1877 36 -1 36
MINIMUM 30 3:59 PM -11 1983 24 6 20
AVERAGE 33 30 3 28
PRECIPITATION (IN)
TODAY T 1.41 2002 0.06 -0.06 T
MONTH TO DATE 0.41 1.28 -0.87 1.71
SINCE DEC 1 0.41 1.28 -0.87 1.71
SINCE JAN 1 33.40 37.03 -3.63 32.47
SNOWFALL (IN)
TODAY T 6.7 1929 0.3 -0.3 T
MONTH TO DATE 0.2 4.1 -3.9 0.3
SINCE DEC 1 0.2 4.1 -3.9 0.3
SINCE JUL 1 3.1 6.1 -3.0 3.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 32 35 -3 37
MONTH TO DATE 628 590 38 471
SINCE DEC 1 628 590 38 471
SINCE JUL 1 1395 1741 -346 1435
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 NW (310)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 10.3
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 3:00 AM
LOWEST 61 3:00 PM
AVERAGE 75
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 64 1877
MINIMUM TEMPERATURE (F) 24 -14 1983
SUNRISE AND SUNSET
DECEMBER 18 2024......SUNRISE 7:15 AM CST SUNSET 4:22 PM CST
DECEMBER 19 2024......SUNRISE 7:15 AM CST SUNSET 4:23 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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