


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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707 CDUS43 KLOT 220631 CLIPWK CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 131 AM CDT TUE APR 22 2025 ................................... ...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR APRIL 21 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 60 3:04 AM 82 2001 60 0 58 MINIMUM 42 11:59 PM 31 2011 41 1 33 2021 AVERAGE 51 51 0 46 PRECIPITATION (IN) YESTERDAY 0.03 0.91 1999 0.12 -0.09 0.00 MONTH TO DATE 1.65 2.13 -0.48 1.75 SINCE MAR 1 3.75 3.97 -0.22 5.60 SINCE JAN 1 5.48 6.58 -1.10 8.93 DEGREE DAYS HEATING YESTERDAY 14 15 -1 19 MONTH TO DATE 388 378 10 315 SINCE MAR 1 1056 1203 -147 1003 SINCE JUL 1 5285 5712 -427 4848 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 3 0 3 0 SINCE MAR 1 3 2 1 0 SINCE JAN 1 3 2 1 0 ................................................................... WIND (MPH) HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 13.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 2:00 AM LOWEST 54 6:00 PM AVERAGE 74 .......................................................... THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 61 82 2007 MINIMUM TEMPERATURE (F) 41 28 2021 SUNRISE AND SUNSET APRIL 22 2025.........SUNRISE 6:00 AM CDT SUNSET 7:41 PM CDT APRIL 23 2025.........SUNRISE 5:58 AM CDT SUNSET 7:42 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$