668  
CDUS45 KTFX 310838  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
138 AM MST SUN DEC 31 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 30 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 46 146 PM 58 1904 34 12 40  
MINIMUM 23 409 AM -34 1978 12 11 16  
AVERAGE 35 23 12 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.50 1900 0.02 -0.02 T  
MONTH TO DATE 0.34 0.49 -0.15 0.18  
SINCE OCT 1 2.46 2.43 0.03 2.68  
SINCE JAN 1 19.75 17.15 2.60 16.60  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 42 -12 37  
MONTH TO DATE 913 1220 -307 1501  
SINCE DEC 1 913 1220 -307 1501  
SINCE JUL 1 2733 3311 -578 3499  
 
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 E (100)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 1100 PM  
LOWEST 47 1200 PM  
AVERAGE 63  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 61 1926  
MINIMUM TEMPERATURE (F) 12 -40 1927  
 
SUNRISE AND SUNSET  
DECEMBER 31 2023......SUNRISE 804 AM MST SUNSET 438 PM MST  
JANUARY 1 2024.......SUNRISE 804 AM MST SUNSET 439 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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