446  
CDUS43 KLOT 050637  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1237 AM CST THU DEC 05 2024  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 4 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1905 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 43 3:29 PM 65 1998 38 5 38  
MINIMUM 13 11:59 PM -4 1991 24 -11 33  
AVERAGE 28 31 -3 36  
 
PRECIPITATION (IN)  
YESTERDAY T 1.29 1973 0.07 -0.07 T  
MONTH TO DATE T 0.29 -0.29 0.78  
SINCE DEC 1 T 0.29 -0.29 0.78  
SINCE JAN 1 34.36 35.60 -1.24 30.11  
 
SNOWFALL (IN)  
YESTERDAY 0.2 5.7 2010 0.2 0.0 T  
MONTH TO DATE 0.2 1.0 -0.8 0.2  
SINCE DEC 1 0.2 1.0 -0.8 0.2  
SINCE JUL 1 0.8 3.5 -2.7 1.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 34 3 29  
MONTH TO DATE 173 134 39 115  
SINCE DEC 1 173 134 39 115  
SINCE JUL 1 1155 1450 -295 1332  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 958 839 119 805    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 46 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 17.6  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 1:00 AM  
LOWEST 42 6:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 67 2001  
MINIMUM TEMPERATURE (F) 23 -5 2005  
 
SUNRISE AND SUNSET  
DECEMBER 5 2024......SUNRISE 7:10 AM CST SUNSET 4:24 PM CST  
DECEMBER 6 2024......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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