176  
CDUS43 KLOT 122240  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
440 PM CST TUE DEC 12 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 12 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 36 2:18 PM 60 1991 35 1 42  
MINIMUM 28 7:47 AM -9 2000 21 7 34  
AVERAGE 32 28 4 38  
 
PRECIPITATION (IN)  
TODAY 0.00 0.79 1909 0.06 -0.06 0.00  
MONTH TO DATE 1.59 0.84 0.75 0.55  
SINCE DEC 1 1.59 0.84 0.75 0.55  
SINCE JAN 1 30.92 36.15 -5.23 37.46  
 
SNOWFALL (IN)  
TODAY 0.0 8.0 1909 0.3 -0.3 0.0  
MONTH TO DATE 0.9 3.4 -2.5 T  
SINCE DEC 1 0.9 3.4 -2.5 T  
SINCE JUL 1 2.4 5.9 -3.5 2.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 33 37 -4 27  
MONTH TO DATE 338 419 -81 372  
SINCE DEC 1 338 419 -81 372  
SINCE JUL 1 1555 1735 -180 1648  
 
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 17 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 10.7  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 1:00 AM  
LOWEST 49 2:00 PM  
AVERAGE 69  
   
......................................................
 
 
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 2023......SUNRISE 7:16 AM CST SUNSET 4:24 PM CST  
DECEMBER 13 2023......SUNRISE 7:16 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.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page