938
CDUS43 KLOT 210631
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1231 AM CST THU DEC 21 2023
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 20 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 43 10:12 PM 59 1949 36 7 33
1988
MINIMUM 31 7:15 AM -9 1963 24 7 22
AVERAGE 37 30 7 28
PRECIPITATION (IN)
YESTERDAY 0.00 1.12 2012 0.06 -0.06 0.00
MONTH TO DATE 1.69 1.21 0.48 1.62
SINCE DEC 1 1.69 1.21 0.48 1.62
SINCE JAN 1 34.65 33.84 0.81 30.71
DEGREE DAYS
HEATING
YESTERDAY 28 35 -7 37
MONTH TO DATE 514 644 -130 624
SINCE DEC 1 514 644 -130 624
SINCE JUL 1 1466 1728 -262 1587
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1149 1112 37 1514
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 6.1
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 11:00 PM
LOWEST 44 2:00 PM
AVERAGE 57
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 62 1967
MINIMUM TEMPERATURE (F) 24 -13 1989
SUNRISE AND SUNSET
DECEMBER 21 2023......SUNRISE 7:15 AM CST SUNSET 4:23 PM CST
DECEMBER 22 2023......SUNRISE 7:15 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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