524
CDUS43 KLOT 212238
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CST THU DEC 21 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 21 2023
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 48 3:07 PM 62 1967 35 13 32
MINIMUM 33 1:42 AM -14 1989 23 10 11
AVERAGE 41 29 12 22
PRECIPITATION (IN)
TODAY 0.00 1.81 1949 0.06 -0.06 0.00
MONTH TO DATE 1.71 1.47 0.24 2.07
SINCE DEC 1 1.71 1.47 0.24 2.07
SINCE JAN 1 32.47 37.22 -4.75 31.90
SNOWFALL (IN)
TODAY 0.0 3.6 1983 0.3 -0.3 0.0
MONTH TO DATE 0.3 4.8 -4.5 1.9
SINCE DEC 1 0.3 4.8 -4.5 1.9
SINCE JUL 1 3.0 6.8 -3.8 3.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 24 36 -12 43
MONTH TO DATE 562 698 -136 673
SINCE DEC 1 562 698 -136 673
SINCE JUL 1 1526 1849 -323 1738
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1145 1003 142 1174
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 4.9
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 3:00 AM
LOWEST 49 1:00 PM
AVERAGE 71
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 57 1875
1957
MINIMUM TEMPERATURE (F) 23 -21 1872
SUNRISE AND SUNSET
DECEMBER 21 2023......SUNRISE 7:16 AM CST SUNSET 4:23 PM CST
DECEMBER 22 2023......SUNRISE 7:17 AM CST SUNSET 4:24 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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