051  
CDUS43 KLOT 020637  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1237 AM CST SAT DEC 02 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 1 2023
 
 
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)  
YESTERDAY  
MAXIMUM 39 1:57 PM 62 1970 40 -1 36  
MINIMUM 33 5:26 PM -3 1966 25 8 13  
AVERAGE 36 32 4 25  
 
PRECIPITATION (IN)  
YESTERDAY 0.44 1.46 1985 0.07 0.37 0.00  
MONTH TO DATE 0.44 0.07 0.37 0.00  
SINCE DEC 1 0.44 0.07 0.37 0.00  
SINCE JAN 1 29.77 35.38 -5.61 36.91  
 
SNOWFALL (IN)  
YESTERDAY 0.1 10.7 2006 0.2 -0.1 0.0  
MONTH TO DATE 0.1 0.2 -0.1 0.0  
SINCE DEC 1 0.1 0.2 -0.1 0.0  
SINCE JUL 1 1.6 2.7 -1.1 2.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 33 -4 40  
MONTH TO DATE 29 33 -4 40  
SINCE DEC 1 29 33 -4 40  
SINCE JUL 1 1246 1349 -103 1316  
 
COOLING  
YESTERDAY 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 15 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 PM  
LOWEST 70 2:00 AM  
AVERAGE 83  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 64 1982  
2012  
MINIMUM TEMPERATURE (F) 24 -4 1942  
1976  
 
SUNRISE AND SUNSET  
DECEMBER 2 2023......SUNRISE 7:06 AM CST SUNSET 4:25 PM CST  
DECEMBER 3 2023......SUNRISE 7:07 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.  
 

 
 
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