727
CDUS43 KLOT 190632
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1232 AM CST THU DEC 19 2024
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 18 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 35 2:35 AM 62 1877 36 -1 36
MINIMUM 25 9:42 PM -11 1983 24 1 20
AVERAGE 30 30 0 28
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY 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
YESTERDAY 35 35 0 37
MONTH TO DATE 631 590 41 471
SINCE DEC 1 631 590 41 471
SINCE JUL 1 1398 1741 -343 1435
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 17 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 9.6
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 3:00 AM
LOWEST 60 7:00 PM
AVERAGE 74
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 64 1877
MINIMUM TEMPERATURE (F) 24 -14 1983
SUNRISE AND SUNSET
DECEMBER 19 2024......SUNRISE 7:15 AM CST SUNSET 4:23 PM CST
DECEMBER 20 2024......SUNRISE 7:16 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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