CDUS43 KLOT 202033 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 333 PM CDT SUN SEP 20 2026 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 19 2026... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 70 5:44 PM 93 1955 74 -4 89 MINIMUM 63 6:47 AM 40 1991 56 7 67 AVERAGE 67 65 2 78 PRECIPITATION (IN) YESTERDAY 0.86 1.72 2001 0.11 0.75 0.00 MONTH TO DATE 1.75 2.05 -0.30 0.28 SINCE SEP 1 1.75 2.05 -0.30 0.28 SINCE JAN 1 32.72 28.76 3.96 22.73 SNOWFALL (IN) YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE SEP 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 3 -3 0 MONTH TO DATE 3 27 -24 32 SINCE SEP 1 3 27 -24 32 SINCE JUL 1 3 33 -30 37 COOLING YESTERDAY 2 3 -1 13 MONTH TO DATE 186 93 93 87 SINCE SEP 1 186 93 93 87 SINCE JAN 1 1112 965 147 1079 ................................................................... WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (130) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (140) AVERAGE WIND SPEED 5.6 SKY COVER AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 10:00 AM LOWEST 73 3:00 AM AVERAGE 85 .......................................................... THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 93 2018 MINIMUM TEMPERATURE (F) 55 36 1991 SUNRISE AND SUNSET SEPTEMBER 20 2026.....SUNRISE 6:37 AM CDT SUNSET 6:52 PM CDT SEPTEMBER 21 2026.....SUNRISE 6:38 AM CDT SUNSET 6:50 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$