084  
CDUS43 KLOT 140631  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1231 AM CST SAT DEC 14 2024  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 13 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 25 2:47 PM 62 2015 35 -10 41  
MINIMUM 3 7:21 AM -14 1958 21 -18 15  
AVERAGE 14 28 -14 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.41 2015 0.06 -0.06 0.00  
MONTH TO DATE T 0.90 -0.90 1.59  
SINCE DEC 1 T 0.90 -0.90 1.59  
SINCE JAN 1 34.36 36.21 -1.85 30.92  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.6 1973 0.3 -0.3 0.0  
MONTH TO DATE 0.3 3.7 -3.4 0.9  
SINCE DEC 1 0.3 3.7 -3.4 0.9  
SINCE JUL 1 0.9 6.2 -5.3 2.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 51 37 14 37  
MONTH TO DATE 524 456 68 378  
SINCE DEC 1 524 456 68 378  
SINCE JUL 1 1506 1772 -266 1595  
 
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 12 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 10:00 PM  
LOWEST 35 12:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 61 2015  
MINIMUM TEMPERATURE (F) 21 -11 1919  
1985  
1989  
 
SUNRISE AND SUNSET  
DECEMBER 14 2024......SUNRISE 7:18 AM CST SUNSET 4:25 PM CST  
DECEMBER 15 2024......SUNRISE 7:18 AM CST SUNSET 4:25 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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