CDUS43 KLOT 120635 CLIMDW CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 1235 AM CST FRI DEC 12 2025 ................................... ...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 11 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 28 12:13 AM 61 1949 39 -11 33 MINIMUM 25 12:06 PM -5 1972 26 -1 13 AVERAGE 27 32 -5 23 PRECIPITATION (IN) YESTERDAY T 1.73 1949 0.06 -0.06 T MONTH TO DATE 0.43 0.70 -0.27 T SINCE DEC 1 0.43 0.70 -0.27 T SINCE JAN 1 30.12 33.33 -3.21 35.19 DEGREE DAYS HEATING YESTERDAY 38 32 6 42 MONTH TO DATE 439 339 100 376 SINCE DEC 1 439 339 100 376 SINCE JUL 1 1348 1423 -75 1082 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 17 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (340) AVERAGE WIND SPEED 5.7 SKY COVER AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT SNOW HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 66 12:00 AM LOWEST 58 2:00 PM AVERAGE 62 .......................................................... THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 39 62 1991 MINIMUM TEMPERATURE (F) 26 -7 1962 SUNRISE AND SUNSET DECEMBER 12 2025......SUNRISE 7:09 AM CST SUNSET 4:20 PM CST DECEMBER 13 2025......SUNRISE 7:10 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. $$