761  
CDUS43 KLOT 212238  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
438 PM CST SAT DEC 21 2024  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 21 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 22 3:53 PM 56 1967 33 -11 43  
MINIMUM 4 8:12 AM -20 1963 19 -15 33  
AVERAGE 13 26 -13 38  
 
PRECIPITATION (IN)  
TODAY 0.00 0.63 2015 0.06 -0.06 T  
MONTH TO DATE 0.67 1.38 -0.71 1.71  
SINCE DEC 1 0.67 1.38 -0.71 1.71  
SINCE JAN 1 35.03 36.69 -1.66 31.04  
 
SNOWFALL (IN)  
TODAY 0.0 4.6 1983 0.3 -0.3 0.0  
MONTH TO DATE 4.6 6.2 -1.6 0.9  
SINCE DEC 1 4.6 6.2 -1.6 0.9  
SINCE JUL 1 5.2 8.7 -3.5 2.4  
SNOW DEPTH 2  
 
DEGREE DAYS  
HEATING  
TODAY 52 39 13 27  
MONTH TO DATE 803 764 39 621  
SINCE DEC 1 803 764 39 621  
SINCE JUL 1 1785 2080 -295 1838  
 
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 10 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 8:00 AM  
LOWEST 50 12:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 55 1957  
MINIMUM TEMPERATURE (F) 19 -19 1989  
 
SUNRISE AND SUNSET  
DECEMBER 21 2024......SUNRISE 7:22 AM CST SUNSET 4:28 PM CST  
DECEMBER 22 2024......SUNRISE 7:22 AM CST SUNSET 4:28 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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