861  
CDUS43 KLOT 300640  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT FRI OCT 30 2009  
 
   
...............................  
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR OCTOBER 29 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 58 1159 PM 81 1922 55 3 54  
MINIMUM 49 648 AM 8 1925 35 14 27  
AVERAGE 54 45 9 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.84 1.56 1996 0.08 0.76 0.00  
MONTH TO DATE 5.50 2.41 3.09 1.68  
SINCE SEP 1 7.19 5.88 1.31 8.04  
SINCE JAN 1 41.24 31.78 9.46 38.82  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 1917 T 0.0 0.0  
MONTH TO DATE T T 0.0 T  
SINCE SEP 1 T T 0.0 T  
SINCE JUL 1 T T 0.0 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 20 -9 24  
MONTH TO DATE 505 403 102 384  
SINCE SEP 1 570 539 31 444  
SINCE JUL 1 627 558 69 444  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 7 -7 10  
SINCE SEP 1 39 81 -42 99  
SINCE JAN 1 433 768 -335 752    
..............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 12.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 600 AM  
LOWEST 67 1100 AM  
AVERAGE 80  
   
......................................................  
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 83 1950  
MINIMUM TEMPERATURE (F) 35 7 1925  
 
 
SUNRISE AND SUNSET  
OCTOBER 30 2009.......SUNRISE 727 AM CDT SUNSET 552 PM CDT  
OCTOBER 31 2009.......SUNRISE 728 AM CDT SUNSET 551 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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