737
CDUS43 KLOT 130631
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1231 AM CST FRI DEC 13 2024
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 12 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 15 10:15 PM 61 1877 37 -22 38
MINIMUM 4 7:50 AM -8 2000 25 -21 27
AVERAGE 10 31 -21 33
PRECIPITATION (IN)
YESTERDAY 0.00 1.76 1972 0.06 -0.06 0.00
MONTH TO DATE T 0.89 -0.89 1.30
SINCE DEC 1 T 0.89 -0.89 1.30
SINCE JAN 1 32.99 36.64 -3.65 32.06
SNOWFALL (IN)
YESTERDAY 0.0 11.3 1903 0.2 -0.2 0.0
MONTH TO DATE 0.2 2.6 -2.4 0.3
SINCE DEC 1 0.2 2.6 -2.4 0.3
SINCE JUL 1 3.1 4.6 -1.5 3.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 55 34 21 32
MONTH TO DATE 441 383 58 311
SINCE DEC 1 441 383 58 311
SINCE JUL 1 1208 1534 -326 1275
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 10.4
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 59 7:00 AM
LOWEST 44 1:00 PM
AVERAGE 52
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 37 67 1975
MINIMUM TEMPERATURE (F) 25 -13 1903
SUNRISE AND SUNSET
DECEMBER 13 2024......SUNRISE 7:11 AM CST SUNSET 4:21 PM CST
DECEMBER 14 2024......SUNRISE 7:12 AM CST SUNSET 4:21 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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