637  
CDUS45 KTFX 180833  
CLIDLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
133 AM MST TUE FEB 18 2020  
   
...............................
 
 
   
..THE DILLON AIRPORT MT CLIMATE SUMMARY FOR FEBRUARY 17 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1929 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 27 421 PM 56 1977 38 -11 15  
MINIMUM 13 1159 PM -40 1936 15 -2 1  
AVERAGE 20 26 -6 8  
 
PRECIPITATION (IN)  
YESTERDAY T 0.08 1961 0.01 -0.01 T  
MONTH TO DATE 0.11 0.13 -0.02 0.20  
SINCE OCT 1 1.34 1.81 -0.47 1.25  
SINCE JAN 1 0.12 0.41 -0.29 0.26  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 45 39 6 57  
MONTH TO DATE 705 682 23 880  
SINCE DEC 1 3234 3362 -128 3468  
SINCE JUL 1 5679 5513 166 5695  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 12.8  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 900 PM  
LOWEST 55 1200 PM  
AVERAGE 66  
   
......................................................
 
 
THE DILLON AIRPORT MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 61 1958  
MINIMUM TEMPERATURE (F) 16 -18 2006  
 
SUNRISE AND SUNSET  
FEBRUARY 18 2020......SUNRISE 727 AM MST SUNSET 602 PM MST  
FEBRUARY 19 2020......SUNRISE 726 AM MST SUNSET 603 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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