AFOS product CLILWT
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CLILWT

CLIMATE REPORT 
NATIONAL WEATHER SERVICE GREAT FALLS MT
216 AM MST SAT DEC 06 2025

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

...THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 5 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1896 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         35    832 PM  74    1939  37     -2       55       
  MINIMUM         23    508 PM -23    1956  16      7       23       
  AVERAGE         29                        26      3       39     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.07          0.30 1932   0.02   0.05     0.00     
  MONTH TO DATE    0.39                      0.08   0.31     0.00     
  SINCE OCT 1      1.95                      2.02  -0.07     0.91     
  SINCE JAN 1     16.42                     16.74  -0.32    19.42     

SNOWFALL (IN)                                                              
  YESTERDAY       MM                                                  
  SNOW DEPTH      MM                                                  

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       36                        39     -3       26        
  MONTH TO DATE  195                       192      3      156        
  SINCE DEC 1    195                       192      3      156        
  SINCE JUL 1   1834                      2283   -449     1847        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE DEC 1      0                         0      0        0        
  SINCE JAN 1    163                       229    -66      298        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (250)       
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (280)       
  AVERAGE WIND SPEED     7.6                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.7                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT SNOW                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           500 AM                                      
 LOWEST     66           200 PM                                      
 AVERAGE    83                                                        

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


THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   36        64      1939                      
 MINIMUM TEMPERATURE (F)   15       -27      2013                      


SUNRISE AND SUNSET                                                    
DECEMBER  6 2025......SUNRISE   749 AM MST   SUNSET   429 PM MST     
DECEMBER  7 2025......SUNRISE   750 AM MST   SUNSET   429 PM MST     


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




$$