015  
CDUS43 KLOT 122234  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CST THU DEC 12 2024  
   
...............................  
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 12 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 13 3:58 PM 60 1991 35 -22 36  
MINIMUM 2 6:50 AM -9 2000 21 -19 21  
AVERAGE 8 28 -20 29  
 
PRECIPITATION (IN)  
TODAY 0.00 0.79 1909 0.06 -0.06 0.00  
MONTH TO DATE T 0.84 -0.84 1.59  
SINCE DEC 1 T 0.84 -0.84 1.59  
SINCE JAN 1 34.36 36.15 -1.79 30.92  
 
SNOWFALL (IN)  
TODAY 0.0 8.0 1909 0.3 -0.3 0.0  
MONTH TO DATE 0.3 3.4 -3.1 0.9  
SINCE DEC 1 0.3 3.4 -3.1 0.9  
SINCE JUL 1 0.9 5.9 -5.0 2.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 57 37 20 36  
MONTH TO DATE 473 419 54 341  
SINCE DEC 1 473 419 54 341  
SINCE JUL 1 1455 1735 -280 1558  
 
COOLING  
TODAY 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 21 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 5:00 AM  
LOWEST 40 3:00 PM  
AVERAGE 50  
   
......................................................  
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 62 2015  
MINIMUM TEMPERATURE (F) 21 -14 1958  
 
SUNRISE AND SUNSET  
DECEMBER 12 2024......SUNRISE 7:16 AM CST SUNSET 4:25 PM CST  
DECEMBER 13 2024......SUNRISE 7:17 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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