593  
CDUS43 KLOT 110635  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT SUN MAY 11 2025  
   
...............................  
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 10 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 80 2:35 PM 92 2022 69 11 70  
MINIMUM 46 2:06 AM 24 1966 47 -1 44  
AVERAGE 63 58 5 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.74 1951 0.12 -0.12 0.01  
MONTH TO DATE 0.85 1.22 -0.37 2.77  
SINCE MAR 1 5.83 7.37 -1.54 11.24  
SINCE JAN 1 7.08 10.60 -3.52 13.81  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.2 1990 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 T  
SINCE MAR 1 4.2 5.8 -1.6 6.1  
SINCE JUL 1 17.1 37.1 -20.0 27.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 8 -6 8  
MONTH TO DATE 87 91 -4 39  
SINCE MAR 1 1211 1433 -222 1126  
SINCE JUL 1 5806 6361 -555 5300  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 7 -7 1  
SINCE MAR 1 4 14 -10 17  
SINCE JAN 1 4 14 -10 17    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 2:00 AM  
LOWEST 24 3:00 PM  
AVERAGE 46  
   
......................................................  
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 94 2022  
MINIMUM TEMPERATURE (F) 48 28 1907  
 
SUNRISE AND SUNSET  
MAY 11 2025...........SUNRISE 5:39 AM CDT SUNSET 8:07 PM CDT  
MAY 12 2025...........SUNRISE 5:38 AM CDT SUNSET 8:08 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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