773  
CDUS43 KLOT 271121 CCA  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
143 AM CDT SUN SEP 27 2009...CORRECTION TO SUNSET TIME  
 
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 26 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 70 311 PM 92 1920 71 -1 83  
MINIMUM 52 1139 PM 26 1926 48 4 55  
AVERAGE 61 59 2 69  
 
PRECIPITATION (IN)  
YESTERDAY T 2.09 1959 0.10 -0.10 0.00  
MONTH TO DATE 1.68 3.07 -1.39 6.11  
SINCE SEP 1 1.68 3.07 -1.39 6.11  
SINCE JAN 1 35.73 28.97 6.76 36.89  
 
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 4 7 -3 0  
MONTH TO DATE 30 105 -75 44  
SINCE SEP 1 30 105 -75 44  
SINCE JUL 1 87 124 -37 44  
 
COOLING  
YESTERDAY 0 1 -1 4  
MONTH TO DATE 39 70 -31 87  
SINCE SEP 1 39 70 -31 87  
SINCE JAN 1 433 757 -324 740    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 1.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
 
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1000 PM  
LOWEST 57 400 PM  
AVERAGE 79  
   
......................................................
 
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 89 1954  
MINIMUM TEMPERATURE (F) 47 29 1942  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 27 2009.....SUNRISE 649 AM CDT SUNSET 644 PM CDT  
SEPTEMBER 28 2009.....SUNRISE 650 AM CDT SUNSET 643 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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