606  
CDUS45 KTFX 150838  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
138 AM MST FRI DEC 15 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 14 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1896 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 48 206 PM 60 1924 35 13 24  
MINIMUM 17 430 AM -29 2008 14 3 4  
AVERAGE 33 24 9 14  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.90 1906 0.01 -0.01 0.02  
MONTH TO DATE 0.18 0.21 -0.03 0.16  
SINCE OCT 1 2.30 2.15 0.15 2.66  
SINCE JAN 1 19.59 16.87 2.72 16.58  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 41 -9 51  
MONTH TO DATE 413 552 -139 667  
SINCE DEC 1 413 552 -139 667  
SINCE JUL 1 2233 2643 -410 2665  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 229 229 0 402    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 1100 PM  
LOWEST 22 300 PM  
AVERAGE 47  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 62 1980  
MINIMUM TEMPERATURE (F) 13 -29 1964  
 
SUNRISE AND SUNSET  
DECEMBER 15 2023......SUNRISE 757 AM MST SUNSET 429 PM MST  
DECEMBER 16 2023......SUNRISE 758 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.  
 

 
 
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