099  
CDUS43 KLOT 240631  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
130 AM CDT THU SEP 24 2009  
 
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 23 2009
 
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1893 TO 2009  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 331 PM 92 1937 72 4 83  
MINIMUM 62 610 AM 29 1995 49 13 60  
1974  
AVERAGE 69 60 9 72  
 
PRECIPITATION (IN)  
YESTERDAY T 0.66 1970 0.11 -0.11 0.00  
MONTH TO DATE 1.61 2.76 -1.15 6.11  
SINCE SEP 1 1.61 2.76 -1.15 6.11  
SINCE JAN 1 35.66 28.66 7.00 36.89  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 0  
MONTH TO DATE 25 85 -60 44  
SINCE SEP 1 25 85 -60 44  
SINCE JUL 1 82 104 -22 44  
 
COOLING  
YESTERDAY 4 2 2 7  
MONTH TO DATE 37 67 -30 75  
SINCE SEP 1 37 67 -30 75  
SINCE JAN 1 431 754 -323 728    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 2.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 64 300 PM  
AVERAGE 82  
   
......................................................
 
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 92 2007  
1920  
MINIMUM TEMPERATURE (F) 49 28 1976  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2009.....SUNRISE 646 AM CDT SUNSET 650 PM CDT  
SEPTEMBER 25 2009.....SUNRISE 647 AM CDT SUNSET 648 PM CDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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