979
CDUS43 KLOT 310636
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1236 AM CST WED DEC 31 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 30 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 25 11:59 PM 60 1936 34 -9 42
2002
MINIMUM 10 7:42 AM -8 1983 22 -12 34
AVERAGE 18 28 -10 38
PRECIPITATION (IN)
YESTERDAY T 1.69 1972 0.06 -0.06 T
MONTH TO DATE 1.78 1.74 0.04 1.42
SINCE DEC 1 1.78 1.74 0.04 1.42
SINCE JAN 1 31.47 34.37 -2.90 36.61
DEGREE DAYS
HEATING
YESTERDAY 47 37 10 27
MONTH TO DATE 1104 1007 97 942
SINCE DEC 1 1104 1007 97 942
SINCE JUL 1 2013 2091 -78 1648
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 10.4
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 11:00 PM
LOWEST 54 12:00 PM
AVERAGE 73
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 60 1962
MINIMUM TEMPERATURE (F) 21 -10 1967
SUNRISE AND SUNSET
DECEMBER 31 2025......SUNRISE 7:18 AM CST SUNSET 4:30 PM CST
JANUARY 1 2026.......SUNRISE 7:18 AM CST SUNSET 4:31 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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