827  
CDUS43 KLOT 060647  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1247 AM CST WED DEC 06 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 5 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 3:03 PM 67 2001 38 0 42  
MINIMUM 33 8:36 AM -5 2005 23 10 27  
AVERAGE 36 30 6 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 1.04 1909 0.07 0.01 0.00  
MONTH TO DATE 0.86 0.36 0.50 T  
SINCE DEC 1 0.86 0.36 0.50 T  
SINCE JAN 1 30.19 35.67 -5.48 36.91  
 
SNOWFALL (IN)  
YESTERDAY 0.7 3.0 1977 0.3 0.4 0.0  
MONTH TO DATE 0.9 1.3 -0.4 0.0  
SINCE DEC 1 0.9 1.3 -0.4 0.0  
SINCE JUL 1 2.4 3.8 -1.4 2.3  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 34 -5 30  
MONTH TO DATE 144 168 -24 164  
SINCE DEC 1 144 168 -24 164  
SINCE JUL 1 1361 1484 -123 1440  
 
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 15 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 4:00 AM  
LOWEST 69 6:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 60 1980  
MINIMUM TEMPERATURE (F) 23 -10 1964  
 
SUNRISE AND SUNSET  
DECEMBER 6 2023......SUNRISE 7:10 AM CST SUNSET 4:24 PM CST  
DECEMBER 7 2023......SUNRISE 7:11 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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