


Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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840 CDUS43 KLOT 020633 CLIRFD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 133 AM CDT TUE SEP 02 2025 ................................... ...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 1 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1905 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 78 2:46 PM 102 1953 80 -2 77 MINIMUM 53 5:13 AM 41 1909 59 -6 53 1949 AVERAGE 66 69 -3 65 PRECIPITATION (IN) YESTERDAY 0.00 1.72 2018 0.14 -0.14 0.00 MONTH TO DATE 0.00 0.14 -0.14 0.00 SINCE SEP 1 0.00 0.14 -0.14 0.00 SINCE JAN 1 21.57 26.93 -5.36 29.48 SNOWFALL (IN) YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE SEP 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 1 -1 0 MONTH TO DATE 0 1 -1 0 SINCE SEP 1 0 1 -1 0 SINCE JUL 1 19 12 7 9 COOLING YESTERDAY 1 5 -4 0 MONTH TO DATE 1 5 -4 0 SINCE SEP 1 1 5 -4 0 SINCE JAN 1 858 744 114 835 ................................................................... WIND (MPH) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (120) HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SE (130) AVERAGE WIND SPEED 1.8 SKY COVER AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 6:00 AM LOWEST 43 4:00 PM AVERAGE 72 .......................................................... THE ROCKFORD IL CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 101 1953 MINIMUM TEMPERATURE (F) 59 41 1909 SUNRISE AND SUNSET SEPTEMBER 2 2025.....SUNRISE 6:23 AM CDT SUNSET 7:28 PM CDT SEPTEMBER 3 2025.....SUNRISE 6:24 AM CDT SUNSET 7:26 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$