057  
CDUS43 KLOT 042132  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
431 PM CDT SUN OCT 4 2009  
 
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR OCTOBER 4 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 59 239 PM 90 1922 67 -8 65  
MINIMUM 44 534 AM 24 1989 45 -1 36  
AVERAGE 52 56 -4 51  
 
PRECIPITATION (IN)  
TODAY 0.00 2.18 1991 0.09 -0.09 0.00  
MONTH TO DATE 1.36 0.37 0.99 T  
SINCE SEP 1 3.05 3.84 -0.79 6.36  
SINCE JAN 1 37.10 29.74 7.36 37.14  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 13 10 3 14  
MONTH TO DATE 57 37 20 55  
SINCE SEP 1 122 173 -51 115  
SINCE JUL 1 179 192 -13 115  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 4 -4 0  
SINCE SEP 1 39 78 -39 89  
SINCE JAN 1 433 765 -332 742    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 9.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 55 300 PM  
AVERAGE 78  
   
......................................................
 
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 90 1922  
MINIMUM TEMPERATURE (F) 44 27 1980  
1935  
 
 
SUNRISE AND SUNSET  
OCTOBER 4 2009.......SUNRISE 657 AM CDT SUNSET 632 PM CDT  
OCTOBER 5 2009.......SUNRISE 658 AM CDT SUNSET 631 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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