Weather Service Report


651 
CDUS45 KTFX 210734
CLIGTF

CLIMATE REPORT 
NATIONAL WEATHER SERVICE GREAT FALLS MT
134 AM MDT MON SEP 21 2020

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

...THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 20 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1886 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         73    137 PM  93    1917  68      5       62       
  MINIMUM         43   1150 PM  24    1995  41      2       37       
  AVERAGE         58                        54      4       50     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          0.72 1968   0.04  -0.04      T       
  MONTH TO DATE    0.49                      0.99  -0.50     0.60     
  SINCE OCT 1     14.06                     14.32  -0.26    14.28     
  SINCE JAN 1     11.36                     12.32  -0.96    12.60     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           1.3  1968   0.1   -0.1      0.0      
  MONTH TO DATE    0.0                       0.6   -0.6      0.0      
  SINCE SEP 1      0.0                       0.6   -0.6      0.0      
  SINCE JUL 1      0.0                       0.9   -0.9      0.0      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        7                        11     -4       15        
  MONTH TO DATE  115                       158    -43      105        
  SINCE SEP 1    115                       158    -43      105        
  SINCE JUL 1    181                       279    -98      201        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE   24                        20      4       31        
  SINCE SEP 1     24                        20      4       31        
  SINCE JAN 1    305                       296      9      252        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    SW (240)       
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    SW (240)       
  AVERAGE WIND SPEED    14.6                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.6                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    68          1100 PM                                      
 LOWEST     30           200 PM                                      
 AVERAGE    49                                                        

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


THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   68        90      1917                      
 MINIMUM TEMPERATURE (F)   40        20      1995                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 21 2020.....SUNRISE   712 AM MDT   SUNSET   724 PM MDT     
SEPTEMBER 22 2020.....SUNRISE   713 AM MDT   SUNSET   722 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