745  
CDUS43 KLOT 090636  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT WED MAY 9 2012  
 
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 8 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 71 230 PM 92 1896 69 2 72  
MINIMUM 50 1159 PM 30 1947 46 4 40  
AVERAGE 61 58 3 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.58 1995 0.11 -0.11 0.00  
MONTH TO DATE 0.46 0.90 -0.44 0.02  
SINCE MAR 1 6.68 6.57 0.11 6.83  
SINCE JAN 1 9.22 9.35 -0.13 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 4 8 -4 9  
MONTH TO DATE 27 74 -47 115  
SINCE MAR 1 893 1412 -519 1447  
SINCE JUL 1 5267 6414 -1147 6408  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 17 6 11 0  
SINCE MAR 1 55 14 41 7  
SINCE JAN 1 55 14 41 7    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 9.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 400 AM  
LOWEST 36 300 PM  
AVERAGE 63  
   
......................................................
 
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 96 1934  
MINIMUM TEMPERATURE (F) 46 27 1966  
 
 
SUNRISE AND SUNSET  
MAY 9 2012...........SUNRISE 541 AM CDT SUNSET 805 PM CDT  
MAY 10 2012...........SUNRISE 540 AM CDT SUNSET 806 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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