630  
CDUS43 KLOT 282237  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CST THU DEC 28 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 28 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 35 2:24 PM 66 1984 31 4 43  
MINIMUM 31 2:38 AM -21 1924 17 14 21  
AVERAGE 33 24 9 32  
 
PRECIPITATION (IN)  
TODAY 0.26 1.25 2015 0.06 0.20 0.00  
MONTH TO DATE 3.00 1.77 1.23 2.56  
SINCE DEC 1 3.00 1.77 1.23 2.56  
SINCE JAN 1 32.33 37.08 -4.75 39.47  
 
SNOWFALL (IN)  
TODAY 1.5 8.0 1987 0.3 1.2 0.0  
MONTH TO DATE 2.4 8.4 -6.0 3.3  
SINCE DEC 1 2.4 8.4 -6.0 3.3  
SINCE JUL 1 3.9 10.9 -7.0 5.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 32 41 -9 33  
MONTH TO DATE 778 1046 -268 1117  
SINCE DEC 1 778 1046 -268 1117  
SINCE JUL 1 1995 2362 -367 2393  
 
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 16 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 12:00 PM  
LOWEST 75 2:00 AM  
AVERAGE 86  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 65 1984  
MINIMUM TEMPERATURE (F) 17 -11 1917  
1925  
1976  
 
SUNRISE AND SUNSET  
DECEMBER 28 2023......SUNRISE 7:24 AM CST SUNSET 4:32 PM CST  
DECEMBER 29 2023......SUNRISE 7:25 AM CST SUNSET 4:32 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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