542  
CDUS45 KTFX 120836  
CLIDLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
136 AM MST FRI DEC 12 2025  
   
...............................  
 
   
..THE DILLON AIRPORT MT CLIMATE SUMMARY FOR DECEMBER 11 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1929 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 58R 202 PM 56 2004 31 27 36  
MINIMUM 48 1134 PM -40 1932 11 37 22  
AVERAGE 53 21 32 29  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.19 1984 0.01 -0.01 0.00  
MONTH TO DATE T 0.10 -0.10 0.00  
SINCE OCT 1 0.17 1.19 -1.02 0.28  
SINCE JAN 1 3.97 9.67 -5.70 3.60  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 44 -32 36  
MONTH TO DATE 311 471 -160 362  
SINCE DEC 1 311 471 -160 362  
SINCE JUL 1 1916 2703 -787 2180  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 136 117 19 189    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 56 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 20.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 54 1000 PM  
LOWEST 31 1000 AM  
AVERAGE 43  
   
......................................................  
 
THE DILLON AIRPORT MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 55 2014  
MINIMUM TEMPERATURE (F) 11 -12 1961  
 
SUNRISE AND SUNSET  
DECEMBER 12 2025......SUNRISE 800 AM MST SUNSET 448 PM MST  
DECEMBER 13 2025......SUNRISE 801 AM MST SUNSET 448 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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