835  
CDUS45 KTFX 220736  
CLIDLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
136 AM MDT MON SEP 22 2025  
   
...............................
 
 
   
..THE DILLON AIRPORT MT CLIMATE SUMMARY FOR SEPTEMBER 21 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 79 146 PM 86 1987 68 11 61  
MINIMUM 46 609 AM 24 1983 38 8 34  
AVERAGE 63 53 10 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.71 1959 0.03 -0.02 0.00  
MONTH TO DATE 0.12 0.63 -0.51 0.42  
SINCE OCT 1 4.08 9.55 -5.47 3.75  
SINCE JAN 1 3.80 8.20 -4.40 3.32  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 12 -10 17  
MONTH TO DATE 90 187 -97 121  
SINCE SEP 1 90 187 -97 121  
SINCE JUL 1 162 342 -180 248  
 
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 28 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 600 PM  
LOWEST 23 200 PM  
AVERAGE 53  
   
......................................................
 
 
THE DILLON AIRPORT MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 86 1987  
MINIMUM TEMPERATURE (F) 38 24 2000  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2025.....SUNRISE 718 AM MDT SUNSET 727 PM MDT  
SEPTEMBER 23 2025.....SUNRISE 719 AM MDT SUNSET 725 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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