764  
CDUS43 KLOT 280634  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT THU AUG 28 2025  
   
...............................  
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 27 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 74 12:30 PM 98 2024 81 -7 98  
MINIMUM 49 5:45 AM 40 1915 60 -11 71  
AVERAGE 62 70 -8 85  
 
PRECIPITATION (IN)  
YESTERDAY T 2.70 1950 0.14 -0.14 0.04  
MONTH TO DATE 2.97 3.62 -0.65 1.22  
SINCE JUN 1 12.84 12.66 0.18 13.48  
SINCE JAN 1 21.24 26.22 -4.98 28.48  
 
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 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 3 0 3 0  
MONTH TO DATE 14 0 14 7  
SINCE JUN 1 23 30 -7 15  
SINCE JUL 1 14 3 11 9  
 
COOLING  
YESTERDAY 0 6 -6 20  
MONTH TO DATE 198 198 0 201  
SINCE JUN 1 816 654 162 733  
SINCE JAN 1 854 715 139 801    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 46 12:00 PM  
AVERAGE 72  
   
......................................................  
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 97 1955  
MINIMUM TEMPERATURE (F) 60 38 1915  
 
SUNRISE AND SUNSET  
AUGUST 28 2025........SUNRISE 6:18 AM CDT SUNSET 7:36 PM CDT  
AUGUST 29 2025........SUNRISE 6:19 AM CDT SUNSET 7:35 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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