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 010907
 CLIRNK
 
 
 CLIMATE REPORT
 NATIONAL WEATHER SERVICE BLACKSBURG VA                               
 507 AM EDT FRI JUN 1 2007
 
 
  ................................... 
 
 ...THE BLACKSBURG CLIMATE SUMMARY FOR MAY 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         82    100 PM  88    1969  75      7       86       
   MINIMUM         58    500 AM  33    1984  51      7       59       
   AVERAGE         70                        63      7       73      
                                                                      
 PRECIPITATION (IN)                                                   
   YESTERDAY        0.76          0.85 2004   0.14   0.62     0.84    
   MONTH TO DATE    2.93                      4.39  -1.46     3.00    
   SINCE MAR 1     13.20                     12.05   1.15     7.62    
   SINCE JAN 1     17.88                     18.44  -0.56    12.24    
                                                                      
 SNOWFALL (IN)                                                        
   YESTERDAY        0.0                       0.0    0.0      0.0     
   MONTH TO DATE    0.0                      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        0                         4     -4        0       
   MONTH TO DATE  133                       219    -86      248       
   SINCE MAR 1   1089                      1404   -315     1171       
   SINCE JUL 1   4882                      5512   -630     4663       
                                                                      
  COOLING                                                             
   YESTERDAY        5                         2      3        8       
   MONTH TO DATE   51                        31     20       33       
   SINCE MAR 1     55                        31     24       41       
   SINCE JAN 1     55                        31     24       41       
 ..................................................................
 
 
  WIND (MPH)                                                           
   HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     S (170)      
   HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (170)      
   AVERAGE WIND SPEED     1.1                                         
 
                                                                       
 SKY COVER                                                            
   POSSIBLE SUNSHINE  MM                                              
   AVERAGE SKY COVER 0.4                                              
 
                                                                       
 WEATHER CONDITIONS                                                  
  THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
   THUNDERSTORM                                                       
   HEAVY RAIN                                                         
   RAIN                                                               
   LIGHT RAIN                                                         
   FOG                                                                
   FOG W/VISIBILITY <= 1/4 MILE                                       
   HAZE                                                               
 
                                                                       
 RELATIVE HUMIDITY (PERCENT)                                          
  HIGHEST   100          1200 AM                                     
  LOWEST     42           100 PM                                     
  AVERAGE    71                                                       
 
  ..........................................................
 
                                                                       
 THE BLACKSBURG CLIMATE NORMALS FOR TODAY
                          NORMAL    RECORD    YEAR                    
  MAXIMUM TEMPERATURE (F)   76        88      1969                    
  MINIMUM TEMPERATURE (F)   51        33      1972                    
 
                                                                       
 SUNRISE AND SUNSET                                                   
 JUNE  1 2007..........SUNRISE   603 AM EDT   SUNSET   836 PM EDT   
 JUNE  2 2007..........SUNRISE   603 AM EDT   SUNSET   837 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/.