991  
CDUS45 KTFX 290833  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
133 AM MST FRI DEC 29 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 28 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 49 316 PM 58 1956 34 15 39  
MINIMUM 18 1216 AM -37 1968 12 6 30  
AVERAGE 34 23 11 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.37 1947 0.02 -0.02 T  
MONTH TO DATE 0.34 0.45 -0.11 0.18  
SINCE OCT 1 2.46 2.39 0.07 2.68  
SINCE JAN 1 19.75 17.11 2.64 16.60  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 42 -11 30  
MONTH TO DATE 853 1136 -283 1427  
SINCE DEC 1 853 1136 -283 1427  
SINCE JUL 1 2673 3227 -554 3425  
 
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 13 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 700 PM  
LOWEST 47 400 PM  
AVERAGE 63  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 65 1956  
MINIMUM TEMPERATURE (F) 12 -41 1968  
 
SUNRISE AND SUNSET  
DECEMBER 29 2023......SUNRISE 804 AM MST SUNSET 436 PM MST  
DECEMBER 30 2023......SUNRISE 804 AM MST SUNSET 437 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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