253  
CDUS43 KLOT 212139  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT WED MAY 21 2008  
 
...................................  
   
..THE ROCKFORD CLIMATE SUMMARY FOR MAY 21 2008
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1893 TO 2008  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 66 256 PM 93 1934 73 -7 87  
MINIMUM 39 453 AM 29 2002 50 -11 44  
AVERAGE 53 61 -8 66  
 
PRECIPITATION (IN)  
TODAY 0.00 1.70 1940 0.13 -0.13 0.00  
MONTH TO DATE 1.41 2.63 -1.22 0.47  
SINCE MAR 1 9.25 8.64 0.61 6.45  
SINCE JAN 1 13.54 11.39 2.15 8.69  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 T 0.0 0.0  
SINCE MAR 1 6.8 7.0 -0.2 4.2  
SINCE JUL 1 72.9 38.7 34.2 37.5  
 
DEGREE DAYS  
HEATING  
TODAY 12 5 7 0  
MONTH TO DATE 188 174 14 73  
SINCE MAR 1 1591 1608 -17 1300  
SINCE JUL 1 6592 6856 -264 6300  
 
COOLING  
TODAY 0 2 -2 1  
MONTH TO DATE 0 24 -24 29  
SINCE MAR 1 2 32 -30 41  
SINCE JAN 1 2 32 -30 41    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 7.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 500 AM  
LOWEST 32 300 PM  
AVERAGE 56  
 
..........................................................  
 
 
THE ROCKFORD CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 94 1925  
MINIMUM TEMPERATURE (F) 50 33 1967  
 
 
SUNRISE AND SUNSET  
MAY 21 2008...........SUNRISE 529 AM CDT SUNSET 817 PM CDT  
MAY 22 2008...........SUNRISE 529 AM CDT SUNSET 818 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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