143
CDUS43 KLOT 192239
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CST TUE DEC 19 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 19 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 32 2:57 PM 64 1877 36 -4 26
MINIMUM 17 7:08 AM -14 1983 24 -7 10
AVERAGE 25 30 -5 18
PRECIPITATION (IN)
TODAY 0.00 2.66 1895 0.07 -0.07 0.00
MONTH TO DATE 1.71 1.35 0.36 2.07
SINCE DEC 1 1.71 1.35 0.36 2.07
SINCE JAN 1 32.47 37.10 -4.63 31.90
SNOWFALL (IN)
TODAY 0.0 8.3 1973 0.2 -0.2 0.0
MONTH TO DATE 0.3 4.3 -4.0 1.9
SINCE DEC 1 0.3 4.3 -4.0 1.9
SINCE JUL 1 3.0 6.3 -3.3 3.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 40 36 4 47
MONTH TO DATE 511 626 -115 591
SINCE DEC 1 511 626 -115 591
SINCE JUL 1 1475 1777 -302 1656
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 16 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 8.2
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 5:00 AM
LOWEST 48 1:00 PM
AVERAGE 60
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 67 1877
MINIMUM TEMPERATURE (F) 23 -9 1963
SUNRISE AND SUNSET
DECEMBER 19 2023......SUNRISE 7:15 AM CST SUNSET 4:22 PM CST
DECEMBER 20 2023......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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