435  
CDUS43 KLOT 040638  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1238 AM CST MON DEC 04 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 3 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 12:03 AM 69 2012 39 -1 47  
MINIMUM 33 8:34 AM -14 1940 24 9 15  
AVERAGE 36 31 5 31  
 
PRECIPITATION (IN)  
YESTERDAY 0.25 0.73 2011 0.07 0.18 0.00  
MONTH TO DATE 0.78 0.22 0.56 T  
SINCE DEC 1 0.78 0.22 0.56 T  
SINCE JAN 1 30.11 35.53 -5.42 36.91  
 
SNOWFALL (IN)  
YESTERDAY 0.1 6.5 1990 0.3 -0.2 0.0  
MONTH TO DATE 0.2 0.8 -0.6 0.0  
SINCE DEC 1 0.2 0.8 -0.6 0.0  
SINCE JUL 1 1.7 3.3 -1.6 2.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 34 -5 34  
MONTH TO DATE 86 100 -14 96  
SINCE DEC 1 86 100 -14 96  
SINCE JUL 1 1303 1416 -113 1372  
 
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 14 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 85 6:00 PM  
AVERAGE 91  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 65 1998  
MINIMUM TEMPERATURE (F) 24 -4 1991  
 
SUNRISE AND SUNSET  
DECEMBER 4 2023......SUNRISE 7:08 AM CST SUNSET 4:25 PM CST  
DECEMBER 5 2023......SUNRISE 7:09 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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