750  
CDUS43 KLOT 160634  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT FRI OCT 16 2009  
 
   
...............................  
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR OCTOBER 15 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 43 1252 PM 89 1947 63 -20 57  
MINIMUM 38 904 PM 21 1937 40 -2 43  
AVERAGE 41 52 -11 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.34 1.06 1967 0.08 0.26 0.26  
MONTH TO DATE 2.31 1.29 1.02 0.80  
SINCE SEP 1 4.00 4.76 -0.76 7.16  
SINCE JAN 1 38.05 30.66 7.39 37.94  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE T 0.0 0.0 0.0  
SINCE SEP 1 T 0.0 0.0 0.0  
SINCE JUL 1 T 0.0 0.0 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 14 10 15  
MONTH TO DATE 286 167 119 119  
SINCE SEP 1 351 303 48 179  
SINCE JUL 1 408 322 86 179  
 
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 16 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 8.9  
 
 
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 93 200 AM  
LOWEST 82 200 PM  
AVERAGE 88  
   
......................................................  
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 87 1938  
MINIMUM TEMPERATURE (F) 40 27 1991  
1944  
 
 
SUNRISE AND SUNSET  
OCTOBER 16 2009.......SUNRISE 710 AM CDT SUNSET 613 PM CDT  
OCTOBER 17 2009.......SUNRISE 712 AM CDT SUNSET 611 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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