103  
CDUS45 KTFX 170732  
CLIDLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
132 AM MDT SUN MAY 17 2026  
   
...............................  
 
   
..THE DILLON AIRPORT MT CLIMATE SUMMARY FOR MAY 16 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1929 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 53 1115 AM 85 1988 63 -10 52  
2006  
MINIMUM 32 1159 PM 20 1974 36 -4 35  
AVERAGE 43 49 -6 44  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.00 2015 0.06 -0.04 0.04  
MONTH TO DATE 0.02 0.75 -0.73 0.55  
SINCE OCT 1 1.00 4.24 -3.24 2.03  
SINCE JAN 1 0.78 2.89 -2.11 1.75  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 16 6 21  
MONTH TO DATE 177 291 -114 240  
SINCE MAR 1 1513 2024 -511 1783  
SINCE JUL 1 5915 8076 -2161 7421  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 800 PM  
LOWEST 34 1200 AM  
AVERAGE 60  
   
......................................................  
 
THE DILLON AIRPORT MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 84 1970  
2006  
2008  
MINIMUM TEMPERATURE (F) 36 26 1960  
 
SUNRISE AND SUNSET  
MAY 17 2026...........SUNRISE 558 AM MDT SUNSET 856 PM MDT  
MAY 18 2026...........SUNRISE 557 AM MDT SUNSET 857 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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