482  
CDUS43 KLOT 112234  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CST MON DEC 11 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 11 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 36 3:11 PM 61 1949 36 0 39  
MINIMUM 25 9:21 AM -18 1972 21 4 34  
AVERAGE 31 28 3 37  
 
PRECIPITATION (IN)  
TODAY 0.00 0.92 1996 0.07 -0.07 T  
MONTH TO DATE 1.59 0.78 0.81 0.55  
SINCE DEC 1 1.59 0.78 0.81 0.55  
SINCE JAN 1 30.92 36.09 -5.17 37.46  
 
SNOWFALL (IN)  
TODAY 0.0 8.3 2000 0.3 -0.3 0.0  
MONTH TO DATE 0.9 3.1 -2.2 T  
SINCE DEC 1 0.9 3.1 -2.2 T  
SINCE JUL 1 2.4 5.6 -3.2 2.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 34 36 -2 28  
MONTH TO DATE 305 382 -77 345  
SINCE DEC 1 305 382 -77 345  
SINCE JUL 1 1522 1698 -176 1621  
 
COOLING  
TODAY 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 12 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 10:00 AM  
LOWEST 64 3:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 60 1991  
MINIMUM TEMPERATURE (F) 21 -9 2000  
 
SUNRISE AND SUNSET  
DECEMBER 11 2023......SUNRISE 7:15 AM CST SUNSET 4:24 PM CST  
DECEMBER 12 2023......SUNRISE 7:16 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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