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 010913
 CLIRNK
 
 
 CLIMATE REPORT
 NATIONAL WEATHER SERVICE BLACKSBURG VA                               
 513 AM EDT WED AUG 1 2007
 
 
  ................................... 
 
 ...THE BLACKSBURG CLIMATE SUMMARY FOR JULY 31 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         86    300 PM  95    1953  83      3       87       
   MINIMUM         61    600 AM  44    1997  60      1       64       
   AVERAGE         74                        71      3       76      
                                                                      
 PRECIPITATION (IN)                                                   
   YESTERDAY        0.00          1.39 1962   0.13  -0.13     0.00    
   MONTH TO DATE    2.83                      4.17  -1.34     3.61    
   SINCE JUN 1      5.90                      8.10  -2.20    14.57    
   SINCE JAN 1     23.78                     26.54  -2.76    26.81    
                                                                      
 SNOWFALL (IN)                                                        
   YESTERDAY        0.0                       0.0    0.0      0.0     
   MONTH TO DATE    0.0                      MM     MM        0.0     
   SINCE JUN 1      0.0                       0.0    0.0      0.0     
   SINCE JUL 1      0.0                      MM     MM        0.0     
   SNOW DEPTH       0                                                 
                                                                      
 DEGREE DAYS                                                          
  HEATING                                                             
   YESTERDAY        0                         0      0        0       
   MONTH TO DATE    7                         0      7        5       
   SINCE JUN 1     23                        54    -31       39       
   SINCE JUL 1      7                         7      0        5       
                                                                      
  COOLING                                                             
   YESTERDAY        9                         6      3       11       
   MONTH TO DATE  165                       196    -31      229       
   SINCE JUN 1    295                       300     -5      332       
   SINCE JAN 1    350                       331     19      373       
 ..................................................................
 
 
  WIND (MPH)                                                           
   HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     E (90)       
   HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM            
   AVERAGE WIND SPEED     2.5                                         
 
                                                                       
 SKY COVER                                                            
   POSSIBLE SUNSHINE  MM                                              
   AVERAGE SKY COVER 0.4                                              
 
                                                                       
 WEATHER CONDITIONS                                                  
  THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
   THUNDERSTORM                                                       
   FOG                                                                
   FOG W/VISIBILITY <= 1/4 MILE                                       
   HAZE                                                               
 
                                                                       
 RELATIVE HUMIDITY (PERCENT)                                          
  HIGHEST   100           300 AM                                     
  LOWEST     43           300 PM                                     
  AVERAGE    72                                                       
 
  ..........................................................
 
                                                                       
 THE BLACKSBURG CLIMATE NORMALS FOR TODAY
                          NORMAL    RECORD    YEAR                    
  MAXIMUM TEMPERATURE (F)   83        92      1999                    
  MINIMUM TEMPERATURE (F)   60        47      1997                    
 
                                                                       
 SUNRISE AND SUNSET                                                   
 AUGUST  1 2007........SUNRISE   626 AM EDT   SUNSET   829 PM EDT   
 AUGUST  2 2007........SUNRISE   627 AM EDT   SUNSET   828 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/.