911  
CDUS45 KTFX 302240  
CLIDLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT TUE SEP 30 2025  
   
...............................  
 
   
..THE DILLON AIRPORT MT CLIMATE SUMMARY FOR SEPTEMBER 30 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 68 108 PM 85 1963 63 5 61  
2011  
MINIMUM 47 257 AM 15 1950 35 12 28  
AVERAGE 58 49 9 45  
 
PRECIPITATION (IN)  
TODAY T 1.04 2009 0.03 -0.03 0.00  
MONTH TO DATE 0.12 0.91 -0.79 0.42  
SINCE OCT 1 4.08 9.83 -5.75 3.75  
SINCE JAN 1 3.80 8.48 -4.68 3.32  
 
DEGREE DAYS  
HEATING  
TODAY 7 16 -9 20  
MONTH TO DATE 144 317 -173 171  
SINCE SEP 1 144 317 -173 171  
SINCE JUL 1 216 472 -256 298  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 18 6 12 7  
SINCE SEP 1 18 6 12 7  
SINCE JAN 1 136 117 19 189    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 9.7  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89  
LOWEST 36  
AVERAGE 63  
   
......................................................  
 
THE DILLON AIRPORT MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 83 1957  
2011  
MINIMUM TEMPERATURE (F) 34 15 1950  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2025.....SUNRISE 728 AM MDT SUNSET 712 PM MDT  
OCTOBER 1 2025.......SUNRISE 729 AM MDT SUNSET 710 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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