237  
CDUS43 KLOT 230635  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1235 AM CST MON DEC 23 2024  
   
...............................  
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 22 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 34 8:30 PM 55 1957 32 2 44  
MINIMUM 5 1:44 AM -19 1989 19 -14 42  
AVERAGE 20 25 -5 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.56 2013 0.05 -0.05 0.46  
MONTH TO DATE 0.67 1.43 -0.76 2.17  
SINCE DEC 1 0.67 1.43 -0.76 2.17  
SINCE JAN 1 35.03 36.74 -1.71 31.50  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.0 2013 0.3 -0.3 0.0  
MONTH TO DATE 4.6 6.5 -1.9 0.9  
SINCE DEC 1 4.6 6.5 -1.9 0.9  
SINCE JUL 1 5.2 9.0 -3.8 2.4  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 45 40 5 22  
MONTH TO DATE 848 804 44 643  
SINCE DEC 1 848 804 44 643  
SINCE JUL 1 1830 2120 -290 1860  
 
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 21 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 4:00 AM  
LOWEST 65 11:00 AM  
AVERAGE 73  
   
......................................................  
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 62 2020  
MINIMUM TEMPERATURE (F) 18 -21 1983  
 
SUNRISE AND SUNSET  
DECEMBER 23 2024......SUNRISE 7:23 AM CST SUNSET 4:29 PM CST  
DECEMBER 24 2024......SUNRISE 7:23 AM CST SUNSET 4:29 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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