202
CDUS43 KLOT 090638
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1238 AM CST SAT DEC 09 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 8 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 56 3:19 PM 64 1946 39 17 41
MINIMUM 46 7:57 AM -7 1882 26 20 30
AVERAGE 51 32 19 36
PRECIPITATION (IN)
YESTERDAY 0.00 1.21 1885 0.07 -0.07 0.00
MONTH TO DATE 1.06 0.61 0.45 T
SINCE DEC 1 1.06 0.61 0.45 T
SINCE JAN 1 31.82 36.36 -4.54 29.83
SNOWFALL (IN)
YESTERDAY 0.0 6.9 1977 0.2 -0.2 0.0
MONTH TO DATE 0.3 1.7 -1.4 T
SINCE DEC 1 0.3 1.7 -1.4 T
SINCE JUL 1 3.0 3.7 -0.7 1.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 14 32 -18 29
MONTH TO DATE 194 250 -56 230
SINCE DEC 1 194 250 -56 230
SINCE JUL 1 1158 1401 -243 1295
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 24 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 14.4
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 11:00 PM
LOWEST 64 12:00 PM
AVERAGE 72
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 38 62 1879
MINIMUM TEMPERATURE (F) 26 -14 1876
SUNRISE AND SUNSET
DECEMBER 9 2023......SUNRISE 7:08 AM CST SUNSET 4:20 PM CST
DECEMBER 10 2023......SUNRISE 7:08 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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