Weather Service Report


304 
CDUS45 KTFX 201329
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT                              
728 AM MDT THU JUL 20 2017


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

...THE HELENA MT CLIMATE SUMMARY FOR JULY 19 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1866 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         93    539 PM 103    2003  87      6       95       
  MINIMUM         59    522 AM  38    1972  55      4       57       
                                      1962                          
  AVERAGE         76                        71      5       76      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.41 1948   0.03  -0.03     0.01    
  MONTH TO DATE    0.19                      0.77  -0.58     0.63    
  SINCE OCT 1      8.25                      8.50  -0.25     6.83    
  SINCE JAN 1      5.27                      6.93  -1.66     5.13    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  1999   0.0    0.0      0.0     
                                      2001                          
                                      1995                          
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE JUN 1      0.0                       T      0.0       T      
  SINCE JUL 1      0.0                       0.0    0.0      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    0                        24    -24       18       
  SINCE JUN 1     76                       160    -84       72       
  SINCE JUL 1      0                        24    -24       18       
                                                                     
 COOLING                                                             
  YESTERDAY       11                         7      4       11       
  MONTH TO DATE  220                       101    119       80       
  SINCE JUN 1    279                       150    129      186       
  SINCE JAN 1    288                       158    130      186       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     5.8                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    52           600 AM                                     
 LOWEST     15           500 PM                                     
 AVERAGE    34                                                       

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

                                                                     
THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   87       103      2003                    
 MINIMUM TEMPERATURE (F)   55        43      1898                    

                                                                     
SUNRISE AND SUNSET                                                   
JULY 20 2017..........SUNRISE   555 AM MDT   SUNSET   913 PM MDT   
JULY 21 2017..........SUNRISE   556 AM MDT   SUNSET   912 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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Western Regional Climate Center, wrcc@dri.edu