918  
CDUS43 KLOT 212133  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT THU AUG 21 2025  
   
...............................  
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 21 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 78 2:56 PM 100 1916 82 -4 76  
1955  
MINIMUM 61 3:23 AM 45 1950 61 0 49  
AVERAGE 70 72 -2 63  
 
PRECIPITATION (IN)  
TODAY 0.00 2.84 2002 0.14 -0.14 0.00  
MONTH TO DATE 2.97 2.82 0.15 1.18  
SINCE JUN 1 12.84 11.86 0.98 13.44  
SINCE JAN 1 21.24 25.42 -4.18 28.44  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 0 0 2  
MONTH TO DATE 0 0 0 5  
SINCE JUN 1 9 30 -21 13  
SINCE JUL 1 0 3 -3 7  
 
COOLING  
TODAY 5 7 -2 0  
MONTH TO DATE 191 161 30 140  
SINCE JUN 1 809 617 192 672  
SINCE JAN 1 847 678 169 740    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 4:00 AM  
LOWEST 60 3:00 PM  
AVERAGE 79  
   
......................................................  
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 101 1936  
MINIMUM TEMPERATURE (F) 61 41 1923  
 
SUNRISE AND SUNSET  
AUGUST 21 2025........SUNRISE 6:11 AM CDT SUNSET 7:48 PM CDT  
AUGUST 22 2025........SUNRISE 6:12 AM CDT SUNSET 7:46 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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