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Accidents and Incidents Report

Helena Climatic Report

CDUS45 KTFX 220924
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT                              
324 AM MDT FRI SEP 22 2017


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

...THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 21 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         54    347 PM  90    1967  70    -16       53       
                                      1966                          
  MINIMUM         37    441 AM  20    1995  41     -4       47       
  AVERAGE         46                        56    -10       50      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.30 1937   0.04  -0.04     0.18    
  MONTH TO DATE    1.78                      0.81   0.97     0.74    
  SINCE OCT 1     10.03                     10.93  -0.90     8.64    
  SINCE JAN 1      7.05                      9.36  -2.31     6.94    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           1.6  1968   0.1   -0.1      0.0     
  MONTH TO DATE    0.0                       0.8   -0.8      0.0     
  SINCE SEP 1      0.0                       0.8   -0.8      0.0     
  SINCE JUL 1      0.0                       1.1   -1.1      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       19                        10      9       15       
  MONTH TO DATE  139                       135      4      163       
  SINCE SEP 1    139                       135      4      163       
  SINCE JUL 1    141                       204    -63      207       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE   66                        22     44       12       
  SINCE SEP 1     66                        22     44       12       
  SINCE JAN 1    702                       405    297      454       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     N (360)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED     5.9                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.3                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    82           400 AMLOWEST     35           300 PM                                     
 AVERAGE    59                                                       

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

                                                                     
THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        89      1966                    
 MINIMUM TEMPERATURE (F)   41        21      1934                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 22 2017.....SUNRISE   715 AM MDT   SUNSET   725 PM MDT   
SEPTEMBER 23 2017.....SUNRISE   717 AM MDT   SUNSET   723 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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