299  
CDUS43 KLOT 310641  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1241 AM CST TUE DEC 31 2024  
   
...............................  
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 30 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 38 4:20 PM 58 2002 31 7 35  
MINIMUM 30 8:40 AM -12 1963 17 13 21  
AVERAGE 34 24 10 28  
 
PRECIPITATION (IN)  
YESTERDAY T 2.33 1936 0.06 -0.06 T  
MONTH TO DATE 1.12 1.88 -0.76 3.10  
SINCE DEC 1 1.12 1.88 -0.76 3.10  
SINCE JAN 1 35.48 37.19 -1.71 32.43  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 1941 0.4 -0.4 T  
MONTH TO DATE 4.6 9.1 -4.5 2.4  
SINCE DEC 1 4.6 9.1 -4.5 2.4  
SINCE JUL 1 5.2 11.6 -6.4 3.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 41 -10 37  
MONTH TO DATE 1061 1128 -67 849  
SINCE DEC 1 1061 1128 -67 849  
SINCE JUL 1 2043 2444 -401 2066  
 
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 13 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 10:00 AM  
LOWEST 79 12:00 AM  
AVERAGE 88  
   
......................................................  
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 56 1965  
MINIMUM TEMPERATURE (F) 17 -17 1963  
 
SUNRISE AND SUNSET  
DECEMBER 31 2024......SUNRISE 7:25 AM CST SUNSET 4:35 PM CST  
JANUARY 1 2025.......SUNRISE 7:25 AM CST SUNSET 4:35 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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