Weather Service Report


395 
CDUS45 KTFX 220755
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT                              
1255 AM MST SUN NOV 22 2009


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

...THE HELENA MT CLIMATE SUMMARY FOR NOVEMBER 21 2009...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1866 TO 2009


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         49   1240 AM  61    1904  39     10       44       
  MINIMUM         26   1155 PM -18    1946  18      8       26       
  AVERAGE         38                        28     10       35      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.52 1921   0.01  -0.01     0.02    
  MONTH TO DATE    0.13                      0.39  -0.26     0.86    
  SINCE OCT 1      1.02                      1.05  -0.03     1.24    
  SINCE JAN 1      9.94                     10.77  -0.83     8.52    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    1.2                                               
  SINCE SEP 1      4.9                                               
  SINCE JUL 1      4.9                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       27                        36     -9       30       
  MONTH TO DATE  575                       674    -99      464       
  SINCE SEP 1   1439                      1588   -149     1295       
  SINCE JUL 1   1490                      1686   -196     1327       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE SEP 1     82                        13     69        0       
  SINCE JAN 1    439                       277    162      490       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    13.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    76           400 AM                                     
 LOWEST     23           100 AM                                     
 AVERAGE    50                                                       

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

                                                                     
THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   38        68      1954                    
 MINIMUM TEMPERATURE (F)   18       -23      1985                    

                                                                     
SUNRISE AND SUNSET                                                   
NOVEMBER 22 2009......SUNRISE   740 AM MST   SUNSET   448 PM MST   
NOVEMBER 23 2009......SUNRISE   742 AM MST   SUNSET   447 PM MST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




$$


Return to Home page


Western Regional Climate Center, wrcc@dri.edu