254  
CDUS45 KTFX 312340  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MST SUN DEC 31 2023  
   
...............................  
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 31 2023  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 47 221 PM 61 1926 34 13 41  
MINIMUM 22 233 AM -40 1927 12 10 23  
AVERAGE 35 23 12 32  
 
PRECIPITATION (IN)  
TODAY 0.00 0.30 1909 0.02 -0.02 0.00  
MONTH TO DATE 0.34 0.51 -0.17 0.18  
SINCE OCT 1 2.46 2.45 0.01 2.68  
SINCE JAN 1 19.75 17.17 2.58 16.60  
 
DEGREE DAYS  
HEATING  
TODAY 30 42 -12 33  
MONTH TO DATE 943 1262 -319 1534  
SINCE DEC 1 943 1262 -319 1534  
SINCE JUL 1 2763 3353 -590 3532  
 
COOLING  
TODAY 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 10 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 57  
AVERAGE 71  
   
......................................................  
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 55 1964  
MINIMUM TEMPERATURE (F) 12 -33 1942  
 
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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