000 
CDUS45 KBYZ 160739
CLIBIL


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT                                 
137 AM MDT MON MAY 16 2005

................................... 

...THE BILLINGS CLIMATE SUMMARY FOR MAY 15 2005...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1934 TO 2005

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         75    249 PM  91    1936  67      8       68       
                                      1987                          
  MINIMUM         44    456 AM  32    1945  44      0       37       
  AVERAGE         60                        55      5       53      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.10 1955   0.08  -0.08     0.00    
  MONTH TO DATE    1.06                      1.20  -0.14     0.22    
  SINCE OCT 1      7.48                      8.13  -0.65     5.31    
  SINCE JAN 1      5.50                      5.45   0.05     2.87    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    1990   0.1   -0.1      0.0     
  MONTH TO DATE    3.1                       1.9    1.2      1.1     
  SINCE MAR 1     34.7                      19.8   14.9      5.8     
  SINCE JUL 1     55.4                      59.1   -3.7     37.8     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        5                        10     -5       12       
  MONTH TO DATE  241                       185     56      173       
  SINCE MAR 1   1548                      1636    -88     1264       
  SINCE JUL 1   6161                      6789   -628     6108       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE MAR 1      0                         2     -2        2       
  SINCE JAN 1      0                         2     -2        2       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     6.6                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           500 AM                                     
 LOWEST     29           200 PM                                     
 AVERAGE    61                                                       
..........................................................
                                                                     
THE BILLINGS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        91      1988                    
 MINIMUM TEMPERATURE (F)   44        30      1974                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 16 2005...........SUNRISE   541 AM MDT   SUNSET   840 PM MDT   
MAY 17 2005...........SUNRISE   540 AM MDT   SUNSET   842 PM MDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          


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