


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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243 CDUS43 KLOT 042137 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 437 PM CDT WED JUN 04 2025 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JUNE 4 2025... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 71 12:56 AM 97 1977 77 -6 85 MINIMUM 58 7:56 AM 35 1945 57 1 69 AVERAGE 65 67 -2 77 PRECIPITATION (IN) TODAY 0.54 2.28 2002 0.14 0.40 0.13 MONTH TO DATE 0.63 0.55 0.08 1.08 SINCE JUN 1 0.63 0.55 0.08 1.08 SINCE JAN 1 10.13 15.20 -5.07 16.35 SNOWFALL (IN) TODAY 0.0 T 1905 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE JUN 1 0.0 0.0 0.0 0.0 SINCE JUL 1 17.6 38.4 -20.8 22.2 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 0 2 -2 0 MONTH TO DATE 7 10 -3 1 SINCE JUN 1 7 10 -3 1 SINCE JUL 1 5435 5953 -518 4770 COOLING TODAY 0 4 -4 12 MONTH TO DATE 16 16 0 22 SINCE JUN 1 16 16 0 22 SINCE JAN 1 50 86 -36 102 ................................................................... WIND (MPH) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (30) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (20) AVERAGE WIND SPEED 10.1 SKY COVER AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 5:00 AM LOWEST 78 3:00 PM AVERAGE 88 .......................................................... THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 77 97 1971 MINIMUM TEMPERATURE (F) 57 37 1945 SUNRISE AND SUNSET JUNE 4 2025..........SUNRISE 5:17 AM CDT SUNSET 8:23 PM CDT JUNE 5 2025..........SUNRISE 5:17 AM CDT SUNSET 8:24 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$