


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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868 CDUS43 KLOT 010638 CLIMDW CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 138 AM CDT TUE JUL 01 2025 ................................... ...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JUNE 30 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 91 4:27 PM 101 1931 84 7 73 MINIMUM 75 3:31 AM 45 1943 66 9 61 AVERAGE 83 75 8 67 PRECIPITATION (IN) YESTERDAY T 2.59 1977 0.11 -0.11 0.00 MONTH TO DATE 5.37 4.01 1.36 3.44 SINCE JUN 1 5.37 4.01 1.36 3.44 SINCE JAN 1 14.94 16.49 -1.55 19.42 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 9 21 -12 3 SINCE JUN 1 9 21 -12 3 SINCE JUL 1 5129 5749 -620 4545 COOLING YESTERDAY 18 10 8 2 MONTH TO DATE 324 222 102 322 SINCE JUN 1 324 222 102 322 SINCE JAN 1 375 304 71 435 ................................................................... WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 9.3 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 79 7:00 AM LOWEST 37 4:00 PM AVERAGE 58 .......................................................... THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 85 103 1956 MINIMUM TEMPERATURE (F) 66 49 1982 SUNRISE AND SUNSET JULY 1 2025..........SUNRISE 5:20 AM CDT SUNSET 8:30 PM CDT JULY 2 2025..........SUNRISE 5:21 AM CDT SUNSET 8:29 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$