990  
CDUS45 KTFX 100841  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
141 AM MST SUN DEC 10 2023  
   
...............................  
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 9 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 33 243 PM 65 1990 36 -3 32  
MINIMUM 11 812 AM -36 1919 15 -4 10  
AVERAGE 22 25 -3 21  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 0.59 1949 0.02 0.02 0.00  
MONTH TO DATE 0.11 0.14 -0.03 0.13  
SINCE OCT 1 2.23 2.08 0.15 2.63  
SINCE JAN 1 19.52 16.80 2.72 16.55  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 43 40 3 44  
MONTH TO DATE 254 350 -96 429  
SINCE DEC 1 254 350 -96 429  
SINCE JUL 1 2074 2441 -367 2427  
 
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 22 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 100 AM  
LOWEST 39 300 PM  
AVERAGE 68  
   
......................................................  
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 64 1990  
MINIMUM TEMPERATURE (F) 14 -22 1961  
 
SUNRISE AND SUNSET  
DECEMBER 10 2023......SUNRISE 753 AM MST SUNSET 428 PM MST  
DECEMBER 11 2023......SUNRISE 754 AM MST SUNSET 428 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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