746  
CDUS43 KLOT 250631  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT SUN MAY 25 2025  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 24 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 69 4:00 PM 93 1921 74 -5 76  
2010  
2012  
MINIMUM 41 4:48 AM 33 1925 52 -11 62  
AVERAGE 55 63 -8 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.79 1997 0.14 -0.14 0.43  
MONTH TO DATE 2.10 3.13 -1.03 3.39  
SINCE MAR 1 7.08 9.28 -2.20 11.86  
SINCE JAN 1 8.33 12.51 -4.18 14.43  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1925 0.0 0.0 0.0  
MONTH TO DATE T 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 10 4 6 0  
MONTH TO DATE 178 174 4 57  
SINCE MAR 1 1302 1516 -214 1144  
SINCE JUL 1 5897 6444 -547 5318  
 
COOLING  
YESTERDAY 0 3 -3 4  
MONTH TO DATE 34 32 2 51  
SINCE MAR 1 38 39 -1 67  
SINCE JAN 1 38 39 -1 67    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 3:00 AM  
LOWEST 37 2:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 92 1939  
MINIMUM TEMPERATURE (F) 53 29 1925  
 
SUNRISE AND SUNSET  
MAY 25 2025...........SUNRISE 5:27 AM CDT SUNSET 8:21 PM CDT  
MAY 26 2025...........SUNRISE 5:26 AM CDT SUNSET 8:22 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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