159  
CDUS45 KTFX 210735  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
135 AM MDT WED JUN 21 2023  
   
...............................
 
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR JUNE 20 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1886 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 66 251 PM 100 1919 74 -8 55  
MINIMUM 41 433 AM 35 1902 47 -6 48  
AVERAGE 54 60 -6 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.02 1903 0.09 -0.09 0.66  
MONTH TO DATE 2.61 2.02 0.59 1.42  
SINCE OCT 1 14.22 10.28 3.94 8.11  
SINCE JAN 1 10.45 8.00 2.45 6.82  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1991 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE JUN 1 0.0 0.3 -0.3 0.0  
SINCE JUL 1 96.2 66.1 30.1 61.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 6 5 13  
MONTH TO DATE 106 149 -43 144  
SINCE JUN 1 106 149 -43 144  
SINCE JUL 1 7710 7677 33 7479  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 3 7 -4 10  
SINCE JUN 1 3 7 -4 10  
SINCE JAN 1 8 10 -2 10    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 500 AM  
LOWEST 24 300 PM  
AVERAGE 49  
   
......................................................
 
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 102 1900  
1919  
MINIMUM TEMPERATURE (F) 47 37 1942  
1995  
1997  
 
SUNRISE AND SUNSET  
JUNE 21 2023..........SUNRISE 528 AM MDT SUNSET 926 PM MDT  
JUNE 22 2023..........SUNRISE 528 AM MDT SUNSET 926 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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