CDUS43 KLOT 190642 CLIMDW CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 142 AM CDT WED AUG 19 2026 ................................... ...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 18 2026... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1928 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 81 11:29 AM 99 1936 83 -2 88 MINIMUM 66 5:25 AM 49 1963 66 0 54 AVERAGE 74 74 0 71 PRECIPITATION (IN) YESTERDAY 0.20 1.80 1954 0.14 0.06 0.47 MONTH TO DATE 4.37 2.34 2.03 2.79 SINCE JUN 1 17.89 9.90 7.99 14.82 SINCE JAN 1 31.78 22.38 9.40 24.39 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 3 25 -22 9 SINCE JUL 1 0 1 -1 0 COOLING YESTERDAY 9 10 -1 16 MONTH TO DATE 190 187 3 256 SINCE JUN 1 777 762 15 1024 SINCE JAN 1 861 844 17 1075 ................................................................... WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (310) AVERAGE WIND SPEED 8.8 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 11:00 PM LOWEST 58 11:00 AM AVERAGE 76 .......................................................... THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 83 99 1947 1983 MINIMUM TEMPERATURE (F) 66 49 1933 SUNRISE AND SUNSET AUGUST 19 2026........SUNRISE 6:04 AM CDT SUNSET 7:45 PM CDT AUGUST 20 2026........SUNRISE 6:05 AM CDT SUNSET 7:43 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$