233
CDUS43 KLOT 200643
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1243 AM CST FRI DEC 20 2024
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 19 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 33 11:59 PM 64 1877 36 -3 33
MINIMUM 25 3:17 AM -14 1983 24 1 17
AVERAGE 29 30 -1 25
PRECIPITATION (IN)
YESTERDAY 0.09 2.66 1895 0.07 0.02 0.00
MONTH TO DATE 0.50 1.35 -0.85 1.71
SINCE DEC 1 0.50 1.35 -0.85 1.71
SINCE JAN 1 33.49 37.10 -3.61 32.47
SNOWFALL (IN)
YESTERDAY 0.5 8.3 1973 0.2 0.3 0.0
MONTH TO DATE 0.7 4.3 -3.6 0.3
SINCE DEC 1 0.7 4.3 -3.6 0.3
SINCE JUL 1 3.6 6.3 -2.7 3.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 36 36 0 40
MONTH TO DATE 667 626 41 511
SINCE DEC 1 667 626 41 511
SINCE JUL 1 1434 1777 -343 1475
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 18 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 8.0
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LT FREEZING RAIN
HEAVY SNOW
SNOW
LIGHT SNOW
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 9:00 PM
LOWEST 60 11:00 AM
AVERAGE 76
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 67 1877
MINIMUM TEMPERATURE (F) 23 -9 1963
SUNRISE AND SUNSET
DECEMBER 20 2024......SUNRISE 7:16 AM CST SUNSET 4:23 PM CST
DECEMBER 21 2024......SUNRISE 7:16 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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