090  
CDUS45 KTFX 300739  
CLIDLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
139 AM MDT SAT SEP 30 2023  
   
...............................
 
 
   
..THE DILLON AIRPORT MT CLIMATE SUMMARY FOR SEPTEMBER 29 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1929 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 63 444 PM 86 1963 64 -1 74  
MINIMUM 29 559 AM 11 1985 35 -6 47  
AVERAGE 46 49 -3 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.46 2007 0.03 -0.03 0.03  
MONTH TO DATE 0.76 0.88 -0.12 0.82  
SINCE OCT 1 5.94 9.80 -3.86 5.00  
SINCE JAN 1 5.26 8.45 -3.19 3.95  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 16 3 4  
MONTH TO DATE 244 301 -57 178  
SINCE SEP 1 244 301 -57 178  
SINCE JUL 1 342 456 -114 209  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 5 0 5 45  
SINCE SEP 1 5 0 5 45  
SINCE JAN 1 123 111 12 256    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 600 AM  
LOWEST 29 400 PM  
AVERAGE 61  
   
......................................................
 
 
THE DILLON AIRPORT MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 85 1963  
2011  
MINIMUM TEMPERATURE (F) 35 15 1950  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2023.....SUNRISE 727 AM MDT SUNSET 713 PM MDT  
OCTOBER 1 2023.......SUNRISE 728 AM MDT SUNSET 711 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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