998  
CDUS45 KTFX 132340  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MST WED DEC 13 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 13 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 54 257 PM 65 1960 35 19 21  
MINIMUM 18 545 AM -22 1963 14 4 2  
AVERAGE 36 24 12 12  
 
PRECIPITATION (IN)  
TODAY 0.00 0.52 1989 0.02 -0.02 0.01  
MONTH TO DATE 0.18 0.20 -0.02 0.14  
SINCE OCT 1 2.30 2.14 0.16 2.64  
SINCE JAN 1 19.59 16.86 2.73 16.56  
 
DEGREE DAYS  
HEATING  
TODAY 29 41 -12 53  
MONTH TO DATE 381 511 -130 616  
SINCE DEC 1 381 511 -130 616  
SINCE JUL 1 2201 2602 -401 2614  
 
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 13 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77  
LOWEST 24  
AVERAGE 51  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 60 1924  
MINIMUM TEMPERATURE (F) 14 -29 2008  
 
SUNRISE AND SUNSET  
DECEMBER 13 2023......SUNRISE 755 AM MST SUNSET 429 PM MST  
DECEMBER 14 2023......SUNRISE 756 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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