CDUS43 KLOT 270644 CLIMDW CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 144 AM CDT MON OCT 27 2025 ................................... ...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 26 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 58 3:27 PM 84 1963 59 -1 59 MINIMUM 47 6:52 AM 22 1942 43 4 45 AVERAGE 53 51 2 52 PRECIPITATION (IN) YESTERDAY 0.00 2.26 2019 0.11 -0.11 0.00 MONTH TO DATE 2.78 2.95 -0.17 1.21 SINCE SEP 1 3.34 5.72 -2.38 3.10 SINCE JAN 1 28.16 29.75 -1.59 32.57 DEGREE DAYS HEATING YESTERDAY 12 14 -2 13 MONTH TO DATE 168 251 -83 142 SINCE SEP 1 189 310 -121 152 SINCE JUL 1 191 314 -123 152 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 65 17 48 19 SINCE SEP 1 269 153 116 238 SINCE JAN 1 1410 1109 301 1361 ................................................................... WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (70) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (90) AVERAGE WIND SPEED 10.1 SKY COVER AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 68 7:00 AM LOWEST 44 11:00 AM AVERAGE 56 .......................................................... THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 58 82 1940 MINIMUM TEMPERATURE (F) 42 24 1942 SUNRISE AND SUNSET OCTOBER 27 2025.......SUNRISE 7:18 AM CDT SUNSET 5:51 PM CDT OCTOBER 28 2025.......SUNRISE 7:19 AM CDT SUNSET 5:50 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$