556
CDUS43 KLOT 160634
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1234 AM CST MON DEC 16 2024
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 15 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 45 2:24 PM 66 2021 37 8 53
MINIMUM 38 1:40 AM -12 1901 25 13 35
AVERAGE 42 30 12 44
PRECIPITATION (IN)
YESTERDAY 0.05 1.10 1971 0.06 -0.01 0.00
MONTH TO DATE 0.38 1.09 -0.71 1.30
SINCE DEC 1 0.38 1.09 -0.71 1.30
SINCE JAN 1 33.37 36.84 -3.47 32.06
SNOWFALL (IN)
YESTERDAY 0.0 8.0 1987 0.2 -0.2 0.0
MONTH TO DATE 0.2 3.3 -3.1 0.3
SINCE DEC 1 0.2 3.3 -3.1 0.3
SINCE JUL 1 3.1 5.3 -2.2 3.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 23 34 -11 21
MONTH TO DATE 546 485 61 388
SINCE DEC 1 546 485 61 388
SINCE JUL 1 1313 1636 -323 1352
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
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 3:00 AM
LOWEST 92 10:00 PM
AVERAGE 96
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 66 2021
MINIMUM TEMPERATURE (F) 24 -12 1951
SUNRISE AND SUNSET
DECEMBER 16 2024......SUNRISE 7:14 AM CST SUNSET 4:21 PM CST
DECEMBER 17 2024......SUNRISE 7:14 AM CST SUNSET 4:22 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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