


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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859 CDUS43 KLOT 060631 CLIMDW CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 131 AM CDT WED AUG 06 2025 ................................... ...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 5 2025... 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) YESTERDAY MAXIMUM 84 2:04 PM 100 1947 84 0 92 MINIMUM 67 4:21 AM 52 1972 68 -1 75 1974 AVERAGE 76 76 0 84 PRECIPITATION (IN) YESTERDAY 0.00 1.11 1955 0.12 -0.12 T MONTH TO DATE 0.00 0.61 -0.61 0.94 SINCE JUN 1 12.03 8.17 3.86 10.69 SINCE JAN 1 21.60 20.65 0.95 26.67 DEGREE DAYS HEATING YESTERDAY 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 YESTERDAY 11 11 0 19 MONTH TO DATE 40 55 -15 81 SINCE JUN 1 808 630 178 755 SINCE JAN 1 859 712 147 868 ................................................................... WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (100) AVERAGE WIND SPEED 7.7 SKY COVER AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 81 3:00 AM LOWEST 37 1:00 PM AVERAGE 59 .......................................................... THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 84 101 1947 MINIMUM TEMPERATURE (F) 68 50 1948 SUNRISE AND SUNSET AUGUST 6 2025........SUNRISE 5:50 AM CDT SUNSET 8:03 PM CDT AUGUST 7 2025........SUNRISE 5:51 AM CDT SUNSET 8:01 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$