826  
CDUS43 KLOT 070649  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1249 AM CST THU DEC 07 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 6 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1905 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 38 2:45 PM 60 1980 37 1 44  
MINIMUM 32 9:17 AM -10 1964 23 9 26  
AVERAGE 35 30 5 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.83 1998 0.07 -0.07 0.00  
MONTH TO DATE 0.86 0.43 0.43 T  
SINCE DEC 1 0.86 0.43 0.43 T  
SINCE JAN 1 30.19 35.74 -5.55 36.91  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.9 1994 0.3 -0.3 0.0  
MONTH TO DATE 0.9 1.6 -0.7 0.0  
SINCE DEC 1 0.9 1.6 -0.7 0.0  
SINCE JUL 1 2.4 4.1 -1.7 2.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 35 -5 30  
MONTH TO DATE 174 203 -29 194  
SINCE DEC 1 174 203 -29 194  
SINCE JUL 1 1391 1519 -128 1470  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 805 839 -34 978    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 8:00 PM  
LOWEST 72 6:00 AM  
AVERAGE 77  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 64 1916  
MINIMUM TEMPERATURE (F) 23 -11 1977  
 
SUNRISE AND SUNSET  
DECEMBER 7 2023......SUNRISE 7:11 AM CST SUNSET 4:24 PM CST  
DECEMBER 8 2023......SUNRISE 7:12 AM CST SUNSET 4:24 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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