172
CDUS43 KLOT 122240
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
440 PM CST TUE DEC 12 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 12 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 38 1:25 PM 61 1877 37 1 42
MINIMUM 31 7:58 AM -8 2000 25 6 35
AVERAGE 35 31 4 39
PRECIPITATION (IN)
TODAY 0.00 1.76 1972 0.06 -0.06 T
MONTH TO DATE 1.30 0.89 0.41 0.48
SINCE DEC 1 1.30 0.89 0.41 0.48
SINCE JAN 1 32.06 36.64 -4.58 30.31
SNOWFALL (IN)
TODAY 0.0 11.3 1903 0.2 -0.2 0.0
MONTH TO DATE 0.3 2.6 -2.3 0.2
SINCE DEC 1 0.3 2.6 -2.3 0.2
SINCE JUL 1 3.0 4.6 -1.6 1.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 30 34 -4 26
MONTH TO DATE 309 383 -74 338
SINCE DEC 1 309 383 -74 338
SINCE JUL 1 1273 1534 -261 1403
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 W (280)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 10.8
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 4:00 AM
LOWEST 52 12:00 PM
AVERAGE 65
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 37 67 1975
MINIMUM TEMPERATURE (F) 25 -13 1903
SUNRISE AND SUNSET
DECEMBER 12 2023......SUNRISE 7:10 AM CST SUNSET 4:20 PM CST
DECEMBER 13 2023......SUNRISE 7:11 AM CST SUNSET 4:20 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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