407
CDUS43 KLOT 310632
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1232 AM CST SUN DEC 31 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 30 2023
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)
YESTERDAY
MAXIMUM 37 6:31 PM 61 1884 33 4 57
MINIMUM 27 8:33 AM -7 1909 21 6 30
AVERAGE 32 27 5 44
PRECIPITATION (IN)
YESTERDAY 0.00 1.69 1972 0.06 -0.06 0.00
MONTH TO DATE 2.89 2.04 0.85 2.16
SINCE DEC 1 2.89 2.04 0.85 2.16
SINCE JAN 1 33.65 37.79 -4.14 31.99
SNOWFALL (IN)
YESTERDAY 0.0 5.1 1927 0.3 -0.3 0.0
MONTH TO DATE 0.3 7.3 -7.0 3.2
SINCE DEC 1 0.3 7.3 -7.0 3.2
SINCE JUL 1 3.0 9.3 -6.3 4.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 33 38 -5 21
MONTH TO DATE 767 1031 -264 1069
SINCE DEC 1 767 1031 -264 1069
SINCE JUL 1 1731 2182 -451 2134
COOLING
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 7.0
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 9:00 AM
LOWEST 85 2:00 PM
AVERAGE 91
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 33 68 1875
MINIMUM TEMPERATURE (F) 21 -10 1967
SUNRISE AND SUNSET
DECEMBER 31 2023......SUNRISE 7:19 AM CST SUNSET 4:30 PM CST
JANUARY 1 2024.......SUNRISE 7:20 AM CST SUNSET 4:31 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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