730  
CDUS45 KTFX 250731  
CLIDLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
131 AM MDT THU SEP 25 2025  
   
...............................
 
 
   
..THE DILLON AIRPORT MT CLIMATE SUMMARY FOR SEPTEMBER 24 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 80 457 PM 87 2001 66 14 80  
MINIMUM 42 627 AM 18 2000 37 5 40  
AVERAGE 61 52 9 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.42 1948 0.03 -0.03 0.00  
MONTH TO DATE 0.12 0.72 -0.60 0.42  
SINCE OCT 1 4.08 9.64 -5.56 3.75  
SINCE JAN 1 3.80 8.29 -4.49 3.32  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 14 -10 5  
MONTH TO DATE 120 227 -107 145  
SINCE SEP 1 120 227 -107 145  
SINCE JUL 1 192 382 -190 272  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 18 0 18 6  
SINCE SEP 1 18 0 18 6  
SINCE JAN 1 136 111 25 188    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57 500 AM  
LOWEST 10 400 PM  
AVERAGE 34  
   
......................................................
 
 
THE DILLON AIRPORT MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 87 2001  
2015  
MINIMUM TEMPERATURE (F) 37 20 1984  
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2025.....SUNRISE 721 AM MDT SUNSET 721 PM MDT  
SEPTEMBER 26 2025.....SUNRISE 723 AM MDT SUNSET 719 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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