036
CDUS43 KLOT 200633
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST SAT DEC 20 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 19 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 24 11:59 PM 56 1957 37 -13 34
1988
MINIMUM 11 9:16 AM -12 1983 24 -13 27
AVERAGE 18 30 -12 31
PRECIPITATION (IN)
YESTERDAY T 0.80 1987 0.05 -0.05 0.03
MONTH TO DATE 0.63 1.15 -0.52 0.29
SINCE DEC 1 0.63 1.15 -0.52 0.29
SINCE JAN 1 30.32 33.78 -3.46 35.48
DEGREE DAYS
HEATING
YESTERDAY 47 35 12 34
MONTH TO DATE 779 609 170 644
SINCE DEC 1 779 609 170 644
SINCE JUL 1 1688 1693 -5 1350
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1410 1112 298 1384
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WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 15.3
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 6:00 AM
LOWEST 49 2:00 PM
AVERAGE 61
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 59 1949
1988
MINIMUM TEMPERATURE (F) 24 -9 1963
SUNRISE AND SUNSET
DECEMBER 20 2025......SUNRISE 7:15 AM CST SUNSET 4:23 PM CST
DECEMBER 21 2025......SUNRISE 7:15 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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