187
CDUS43 KLOT 190636
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1236 AM CST TUE DEC 19 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 18 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 36 1:05 AM 62 1877 36 0 21
MINIMUM 20 11:59 PM -11 1983 24 -4 14
AVERAGE 28 30 -2 18
PRECIPITATION (IN)
YESTERDAY T 1.41 2002 0.06 -0.06 T
MONTH TO DATE 1.71 1.28 0.43 2.07
SINCE DEC 1 1.71 1.28 0.43 2.07
SINCE JAN 1 32.47 37.03 -4.56 31.90
SNOWFALL (IN)
YESTERDAY T 6.7 1929 0.3 -0.3 T
MONTH TO DATE 0.3 4.1 -3.8 1.9
SINCE DEC 1 0.3 4.1 -3.8 1.9
SINCE JUL 1 3.0 6.1 -3.1 3.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 37 35 2 47
MONTH TO DATE 471 590 -119 544
SINCE DEC 1 471 590 -119 544
SINCE JUL 1 1435 1741 -306 1609
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 16.1
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 12:00 AM
LOWEST 48 12:00 PM
AVERAGE 67
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 64 1877
MINIMUM TEMPERATURE (F) 24 -14 1983
SUNRISE AND SUNSET
DECEMBER 19 2023......SUNRISE 7:15 AM CST SUNSET 4:22 PM CST
DECEMBER 20 2023......SUNRISE 7:16 AM CST SUNSET 4:23 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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