538  
CDUS43 KLOT 160631  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1231 AM CST THU JAN 16 2025  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR JANUARY 15 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 23 11:59 PM 55 1953 29 -6 -2  
MINIMUM 0 6:18 AM -24 1979 14 -14 -16  
AVERAGE 12 22 -10 -9  
 
PRECIPITATION (IN)  
YESTERDAY T 0.60 1943 0.05 -0.05 0.00  
MONTH TO DATE 0.02 0.80 -0.78 1.58  
SINCE DEC 1 1.15 2.73 -1.58 4.71  
SINCE JAN 1 0.02 0.80 -0.78 1.58  
 
SNOWFALL (IN)  
YESTERDAY T 5.5 1943 0.4 -0.4 0.0  
MONTH TO DATE 0.5 5.1 -4.6 14.0  
SINCE DEC 1 5.1 14.5 -9.4 16.8  
SINCE JUL 1 5.7 17.0 -11.3 18.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 53 44 9 74  
MONTH TO DATE 680 641 39 625  
SINCE DEC 1 1771 1811 -40 1508  
SINCE JUL 1 2753 3127 -374 2725  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 5:00 AM  
LOWEST 45 2:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 53 1933  
MINIMUM TEMPERATURE (F) 14 -25 2009  
 
SUNRISE AND SUNSET  
JANUARY 16 2025.......SUNRISE 7:22 AM CST SUNSET 4:51 PM CST  
JANUARY 17 2025.......SUNRISE 7:21 AM CST SUNSET 4:52 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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