


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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120 CDUS43 KLOT 120634 CLIPWK CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 134 AM CDT MON MAY 12 2025 ................................... ...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR MAY 11 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 67 3:52 PM 91 2022 68 -1 68 MINIMUM 39 3:05 AM 35 2021 48 -9 50 AVERAGE 53 58 -5 59 PRECIPITATION (IN) YESTERDAY 0.00 1.82 2002 0.13 -0.13 T MONTH TO DATE 0.60 1.41 -0.81 1.80 SINCE MAR 1 4.77 6.56 -1.79 8.53 SINCE JAN 1 6.50 9.17 -2.67 11.86 DEGREE DAYS HEATING YESTERDAY 12 8 4 6 MONTH TO DATE 122 106 16 54 SINCE MAR 1 1257 1426 -169 1150 SINCE JUL 1 5486 5935 -449 4995 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 0 8 -8 0 SINCE MAR 1 3 16 -13 4 SINCE JAN 1 3 16 -13 4 ................................................................... WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (50) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (60) AVERAGE WIND SPEED 5.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 86 5:00 AM LOWEST 37 5:00 PM AVERAGE 62 .......................................................... THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 68 93 2022 MINIMUM TEMPERATURE (F) 48 35 2021 SUNRISE AND SUNSET MAY 12 2025...........SUNRISE 5:34 AM CDT SUNSET 8:03 PM CDT MAY 13 2025...........SUNRISE 5:33 AM CDT SUNSET 8:04 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$