630  
CDUS43 KLOT 182141  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CDT SUN OCT 18 2009  
   
...............................  
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR OCTOBER 18 2009  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 55 259 PM 86 1953 61 -6 61  
1950  
MINIMUM 30 635 AM 19 1952 39 -9 36  
AVERAGE 43 50 -7 49  
 
PRECIPITATION (IN)  
TODAY 0.00 1.85 1985 0.08 -0.08 0.00  
MONTH TO DATE 2.31 1.53 0.78 0.80  
SINCE SEP 1 4.00 5.00 -1.00 7.16  
SINCE JAN 1 38.05 30.90 7.15 37.94  
 
SNOWFALL (IN)  
TODAY 0.0 0.1 1972 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  
TODAY 22 15 7 16  
MONTH TO DATE 354 211 143 171  
SINCE SEP 1 419 347 72 231  
SINCE JUL 1 476 366 110 231  
 
COOLING  
TODAY 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 17 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 700 AM  
LOWEST 41 300 PM  
AVERAGE 71    
......................................................  
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 84 1953  
1924  
MINIMUM TEMPERATURE (F) 39 18 1992  
 
SUNRISE AND SUNSET  
OCTOBER 18 2009.......SUNRISE 713 AM CDT SUNSET 609 PM CDT  
OCTOBER 19 2009.......SUNRISE 714 AM CDT SUNSET 608 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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