043  
CDUS43 KLOT 081351  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
849 AM CDT TUE MAY 8 2012  
 
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 7 2012
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1905 TO 2012  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 71 435 PM 91 1896 69 2 63  
MINIMUM 56 1159 PM 28 1989 46 10 46  
1976  
AVERAGE 64 57 7 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.23 1.46 1904 0.11 0.12 0.02  
MONTH TO DATE 0.46 0.79 -0.33 0.02  
SINCE MAR 1 6.68 6.46 0.22 6.83  
SINCE JAN 1 9.22 9.24 -0.02 9.61  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1960 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 3.0 5.7 -2.7 0.1  
SINCE JUL 1 24.3 36.7 -12.4 51.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 9 -8 10  
MONTH TO DATE 23 66 -43 106  
SINCE MAR 1 889 1404 -515 1438  
SINCE JUL 1 5263 6406 -1143 6399  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 17 5 12 0  
SINCE MAR 1 55 13 42 7  
SINCE JAN 1 55 13 42 7    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 6.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 AM  
LOWEST 57 500 PM  
AVERAGE 75  
   
......................................................
 
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 92 1896  
MINIMUM TEMPERATURE (F) 46 30 1947  
 
 
SUNRISE AND SUNSET  
MAY 8 2012...........SUNRISE 543 AM CDT SUNSET 804 PM CDT  
MAY 9 2012...........SUNRISE 541 AM CDT SUNSET 805 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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