639  
CDUS43 KLOT 210633  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1233 AM CST TUE JAN 21 2025  
   
...............................  
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR JANUARY 20 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 10 2:41 PM 51 1921 29 -19 14  
MINIMUM -7 3:16 AM -26 1985 14 -21 -6  
AVERAGE 2 21 -19 4  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.53 1907 0.05 -0.05 0.00  
MONTH TO DATE 0.02 1.06 -1.04 1.65  
SINCE DEC 1 1.15 2.99 -1.84 4.78  
SINCE JAN 1 0.02 1.06 -1.04 1.65  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.1 2012 0.4 -0.4 0.0  
MONTH TO DATE 0.5 6.9 -6.4 15.9  
SINCE DEC 1 5.1 16.3 -11.2 18.7  
SINCE JUL 1 5.7 18.8 -13.1 20.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 63 44 19 61  
MONTH TO DATE 910 861 49 923  
SINCE DEC 1 2001 2031 -30 1806  
SINCE JUL 1 2983 3347 -364 3023  
 
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 23 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 3:00 AM  
LOWEST 33 3:00 PM  
AVERAGE 49  
   
......................................................  
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 60 1906  
MINIMUM TEMPERATURE (F) 14 -22 1970  
1984  
 
SUNRISE AND SUNSET  
JANUARY 21 2025.......SUNRISE 7:19 AM CST SUNSET 4:57 PM CST  
JANUARY 22 2025.......SUNRISE 7:18 AM CST SUNSET 4:58 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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