118  
CDUS43 KLOT 120634  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT MON MAY 12 2025  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 11 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 3:38 PM 94 2022 69 10 72  
MINIMUM 42 5:23 AM 28 1907 48 -6 46  
AVERAGE 61 59 2 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.14 1966 0.13 -0.13 0.00  
MONTH TO DATE 0.85 1.35 -0.50 2.77  
SINCE MAR 1 5.83 7.50 -1.67 11.24  
SINCE JAN 1 7.08 10.73 -3.65 13.81  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.0 1966 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 4 8 -4 6  
MONTH TO DATE 91 99 -8 45  
SINCE MAR 1 1215 1441 -226 1132  
SINCE JUL 1 5810 6369 -559 5306  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 8 -8 1  
SINCE MAR 1 4 15 -11 17  
SINCE JAN 1 4 15 -11 17    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 5:00 AM  
LOWEST 20 3:00 PM  
AVERAGE 44  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 93 2022  
MINIMUM TEMPERATURE (F) 48 29 1981  
 
SUNRISE AND SUNSET  
MAY 12 2025...........SUNRISE 5:38 AM CDT SUNSET 8:08 PM CDT  
MAY 13 2025...........SUNRISE 5:37 AM CDT SUNSET 8:09 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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