398  
CDUS43 KLOT 290634  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT FRI AUG 29 2025  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 28 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 79 2:53 PM 97 1955 81 -2 85  
MINIMUM 56 11:55 PM 38 1915 60 -4 68  
AVERAGE 68 70 -2 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.33 2.30 1936 0.13 0.20 0.18  
MONTH TO DATE 3.30 3.75 -0.45 1.40  
SINCE JUN 1 13.17 12.79 0.38 13.66  
SINCE JAN 1 21.57 26.35 -4.78 28.66  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1940 0.0 0.0 0.0  
1990  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 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 0 0 0  
MONTH TO DATE 14 0 14 7  
SINCE JUN 1 23 30 -7 15  
SINCE JUL 1 14 3 11 9  
 
COOLING  
YESTERDAY 3 6 -3 12  
MONTH TO DATE 201 204 -3 213  
SINCE JUN 1 819 660 159 745  
SINCE JAN 1 857 721 136 813    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 3:00 AM  
LOWEST 48 3:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 98 1948  
MINIMUM TEMPERATURE (F) 60 39 1934  
 
SUNRISE AND SUNSET  
AUGUST 29 2025........SUNRISE 6:19 AM CDT SUNSET 7:35 PM CDT  
AUGUST 30 2025........SUNRISE 6:20 AM CDT SUNSET 7:33 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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