


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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261 CDUS43 KLOT 050643 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 143 AM CDT SAT JUL 05 2025 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 4 2025... 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) YESTERDAY MAXIMUM 92 3:56 PM 102 1911 84 8 84 2012 MINIMUM 74 9:18 AM 50 1972 66 8 69 AVERAGE 83 75 8 77 PRECIPITATION (IN) YESTERDAY 0.05 1.72 1995 0.11 -0.06 T MONTH TO DATE 0.05 0.43 -0.38 0.10 SINCE JUN 1 3.68 4.53 -0.85 3.20 SINCE JAN 1 13.18 19.18 -6.00 18.47 SNOWFALL (IN) YESTERDAY 0.0 T 1995 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 T SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 13 31 -18 6 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 18 10 8 12 MONTH TO DATE 67 40 27 39 SINCE JUN 1 363 239 124 317 SINCE JAN 1 397 309 88 397 ................................................................... WIND (MPH) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (310) AVERAGE WIND SPEED 7.3 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM LIGHT RAIN HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 87 8:00 AM LOWEST 44 5:00 PM AVERAGE 66 .......................................................... THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 84 103 2012 MINIMUM TEMPERATURE (F) 66 46 1972 SUNRISE AND SUNSET JULY 5 2025..........SUNRISE 5:22 AM CDT SUNSET 8:30 PM CDT JULY 6 2025..........SUNRISE 5:23 AM CDT SUNSET 8:30 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$