


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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851 CDUS43 KLOT 032134 CLIMDW CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 434 PM CDT SUN AUG 03 2025 ................................... ...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 3 2025... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1928 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 80 2:34 PM 101 1930 84 -4 91 MINIMUM 63 4:32 AM 52 1950 68 -5 72 AVERAGE 72 76 -4 82 PRECIPITATION (IN) TODAY 0.00 1.95 1957 0.12 -0.12 0.00 MONTH TO DATE 0.00 0.37 -0.37 0.94 SINCE JUN 1 12.03 7.93 4.10 10.69 SINCE JAN 1 21.60 20.41 1.19 26.67 DEGREE DAYS HEATING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 9 25 -16 3 SINCE JUL 1 0 1 -1 0 COOLING TODAY 7 11 -4 17 MONTH TO DATE 19 33 -14 46 SINCE JUN 1 787 608 179 720 SINCE JAN 1 838 690 148 833 ................................................................... WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (80) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (70) AVERAGE WIND SPEED 5.2 SKY COVER AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 76 5:00 AM LOWEST 35 2:00 PM AVERAGE 56 .......................................................... THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 84 100 1947 MINIMUM TEMPERATURE (F) 68 52 1929 SUNRISE AND SUNSET AUGUST 3 2025........SUNRISE 5:47 AM CDT SUNSET 8:06 PM CDT AUGUST 4 2025........SUNRISE 5:48 AM CDT SUNSET 8:05 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$