488  
CDUS43 KLOT 030633  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT SAT OCT 3 2009  
 
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR OCTOBER 2 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 55 149 AM 91 1922 68 -13 64  
MINIMUM 46 634 PM 23 2003 45 1 36  
AVERAGE 51 57 -6 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.21 2.69 1893 0.09 0.12 0.00  
MONTH TO DATE 1.29 0.19 1.10 0.00  
SINCE SEP 1 2.98 3.66 -0.68 6.36  
SINCE JAN 1 37.03 29.56 7.47 37.14  
 
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 14 9 5 15  
MONTH TO DATE 30 18 12 28  
SINCE SEP 1 95 154 -59 88  
SINCE JUL 1 152 173 -21 88  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 2 -2 0  
SINCE SEP 1 39 76 -37 89  
SINCE JAN 1 433 763 -330 742    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 9.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 900 PM  
LOWEST 77 200 PM  
AVERAGE 89  
   
......................................................
 
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 90 1997  
1922  
MINIMUM TEMPERATURE (F) 45 28 1974  
1952  
 
 
SUNRISE AND SUNSET  
OCTOBER 3 2009.......SUNRISE 656 AM CDT SUNSET 634 PM CDT  
OCTOBER 4 2009.......SUNRISE 657 AM CDT SUNSET 632 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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