967  
CDUS45 KTFX 120833  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
133 AM MST TUE DEC 12 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 11 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 39 319 AM 64 1939 35 4 38  
MINIMUM 20 1159 PM -28 1932 14 6 15  
AVERAGE 30 25 5 27  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 0.40 1919 0.01 0.06 T  
MONTH TO DATE 0.18 0.17 0.01 0.13  
SINCE OCT 1 2.30 2.11 0.19 2.63  
SINCE JAN 1 19.59 16.83 2.76 16.55  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 40 -5 38  
MONTH TO DATE 316 430 -114 509  
SINCE DEC 1 316 430 -114 509  
SINCE JUL 1 2136 2521 -385 2507  
 
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 17 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LT FREEZING RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 900 AM  
LOWEST 64 300 AM  
AVERAGE 82  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 60 1924  
MINIMUM TEMPERATURE (F) 14 -23 1922  
 
SUNRISE AND SUNSET  
DECEMBER 12 2023......SUNRISE 754 AM MST SUNSET 428 PM MST  
DECEMBER 13 2023......SUNRISE 755 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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