


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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031 CDUS43 KLOT 290634 CLIPWK CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 134 AM CDT TUE JUL 29 2025 ................................... ...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR JULY 28 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1996 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 94R 3:37 PM 93 1999 84 10 85 2023 MINIMUM 72 11:14 PM 56 2005 66 6 68 2013 AVERAGE 83 75 8 77 PRECIPITATION (IN) YESTERDAY 0.01 1.54 2023 0.09 -0.08 0.02 MONTH TO DATE 2.84 2.85 -0.01 5.44 SINCE JUN 1 6.14 6.82 -0.68 10.02 SINCE JAN 1 13.91 18.34 -4.43 24.31 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 3 SINCE JUN 1 21 37 -16 14 SINCE JUL 1 0 0 0 3 COOLING YESTERDAY 18 10 8 12 MONTH TO DATE 334 276 58 254 SINCE JUN 1 598 457 141 511 SINCE JAN 1 619 517 102 548 ................................................................... WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (340) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 3.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 94 7:00 AM LOWEST 43 6:00 PM AVERAGE 69 .......................................................... THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 84 98 1999 MINIMUM TEMPERATURE (F) 66 53 2003 SUNRISE AND SUNSET JULY 29 2025..........SUNRISE 5:42 AM CDT SUNSET 8:13 PM CDT JULY 30 2025..........SUNRISE 5:43 AM CDT SUNSET 8:12 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$