Please note this information is preliminary and subject to revision. Official and certified climatic data can be accessed at the National Climatic Data Center (NCDC) (http://www.ncdc.noaa.gov/oa/ncdc.html).


 000
 CDUS41 KRNK 010935
 CLIRNK
 
 CLIMATE REPORT
 NATIONAL WEATHER SERVICE BLACKSBURG VA                               
 532 AM EDT TUE MAY 1 2007
 
 
  ................................... 
 
 ...THE BLACKSBURG CLIMATE SUMMARY FOR APRIL 30 2007...
 
 CLIMATE NORMAL PERIOD 1971 TO 2000
 CLIMATE RECORD PERIOD 1952 TO 2007
 
 
  WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                 VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                   NORMAL             
 ..................................................................
 TEMPERATURE (F)                                                     
  YESTERDAY                                                           
   MAXIMUM         81    500 PM  86    1957  67     +14       64       
   MINIMUM         44    500 AM  28    1971  41      +3       44       
   AVERAGE         63                        54      +9       54      
                                                                      
 PRECIPITATION (IN)                                                   
   YESTERDAY        0.00          1.37 1994   0.14  -0.14     0.00    
   MONTH TO DATE    3.63                      3.83  -0.20     3.93    
   SINCE MAR 1     10.27                      7.66   2.61     4.62    
   SINCE JAN 1     14.95                     14.05   0.90     9.24    
                                                                      
 SNOWFALL (IN)                                                        
   YESTERDAY        0.0                       T      0.0      0.0     
   MONTH TO DATE    0.9                      MM     MM         T      
   SINCE MAR 1      1.1                       4.8   -3.7      1.3     
   SINCE JUL 1      6.7                      23.0  -16.3     20.4     
   SNOW DEPTH       0                                                 
                                                                      
 DEGREE DAYS                                                          
  HEATING                                                             
   YESTERDAY        2                        11     -9       11       
   MONTH TO DATE  430                       452    -22      263       
   SINCE MAR 1    956                      1185   -229      923       
   SINCE JUL 1   4749                      5293   -544     4415       
                                                                      
  COOLING                                                             
   YESTERDAY        0                         0      0        0       
   MONTH TO DATE    4                         0      4        8       
   SINCE MAR 1      4                         0      4        8       
   SINCE JAN 1      4                         0      4        8       
 ..................................................................
 
 
  WIND (MPH)                                                           
   HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     W (280)      
   HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (280)      
   AVERAGE WIND SPEED     5.7                                         
 
                                                                       
 SKY COVER                                                            
   POSSIBLE SUNSHINE  MM                                              
   AVERAGE SKY COVER 0.0                                              
 
                                                                       
 WEATHER CONDITIONS                                                  
  THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
   NO SIGNIFICANT WEATHER WAS OBSERVED.                               
 
                                                                       
 RELATIVE HUMIDITY (PERCENT)                                          
  HIGHEST    80           600 AM                                     
  LOWEST     28           400 PM                                     
  AVERAGE    54                                                       
 
  ..........................................................
 
                                                                       
 THE BLACKSBURG CLIMATE NORMALS FOR TODAY
                          NORMAL    RECORD    YEAR                    
  MAXIMUM TEMPERATURE (F)   67        84      1957                    
  MINIMUM TEMPERATURE (F)   41        28      1971                    
 
                                                                       
 SUNRISE AND SUNSET                                                   
 MAY  1 2007...........SUNRISE   627 AM EDT   SUNSET   811 PM EDT   
 MAY  2 2007...........SUNRISE   626 AM EDT   SUNSET   812 PM EDT   
 
                                                                      
 -  INDICATES NEGATIVE NUMBERS.                                      
 R  INDICATES RECORD WAS SET OR TIED.                                
 MM INDICATES DATA IS MISSING.                                       
 T  INDICATES TRACE AMOUNT.                                          
 
  
 
 
  
The U.S. Naval Observatory takes observations and generates sunrise and sunset data. The NWS is not the custodian of records for such records and therefore, cannot certify to such facts, or authenticate such data. For information regarding sunrise and sunset tables and to obtain certified records, contact: U.S. Naval Observatory, ATTN: Code AA, 3450 Massachusetts Ave., N.W., Washington, D.C. 20392-5420; http://aa.usno.navy.mil/data/.