568  
CDUS45 KTFX 210739  
CLIDLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
139 AM MDT THU SEP 21 2023  
   
...............................
 
 
   
..THE DILLON AIRPORT MT CLIMATE SUMMARY FOR SEPTEMBER 20 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 63 340 PM 86 1946 68 -5 59  
MINIMUM 33 533 AM 10 1983 38 -5 41  
AVERAGE 48 53 -5 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.82 1968 0.03 -0.01 T  
MONTH TO DATE 0.56 0.60 -0.04 0.01  
SINCE OCT 1 5.74 9.52 -3.78 4.19  
SINCE JAN 1 5.06 8.17 -3.11 3.14  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 12 5 15  
MONTH TO DATE 120 175 -55 116  
SINCE SEP 1 120 175 -55 116  
SINCE JUL 1 218 330 -112 147  
 
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 22 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 1100 PM  
LOWEST 28 400 PM  
AVERAGE 54  
   
......................................................
 
 
THE DILLON AIRPORT MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 86 1987  
MINIMUM TEMPERATURE (F) 38 24 1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 716 AM MDT SUNSET 730 PM MDT  
SEPTEMBER 22 2023.....SUNRISE 717 AM MDT SUNSET 728 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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