534  
CDUS45 KTFX 200733  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
133 AM MDT WED AUG 20 2025  
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR AUGUST 19 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1866 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 95 514 PM 98 2008 84 11 92  
MINIMUM 56 607 AM 34 1995 52 4 61  
AVERAGE 76 68 8 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.87 1964 0.03 -0.03 T  
MONTH TO DATE 1.36 0.65 0.71 0.32  
SINCE OCT 1 10.72 10.05 0.67 8.90  
SINCE JAN 1 9.96 8.22 1.74 7.38  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 2019 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE JUN 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.1 -0.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 11 10 1 0  
SINCE JUN 1 134 177 -43 88  
SINCE JUL 1 23 33 -10 2  
 
COOLING  
YESTERDAY 11 4 7 12  
MONTH TO DATE 108 117 -9 125  
SINCE JUN 1 348 359 -11 476  
SINCE JAN 1 373 366 7 476    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 600 AM  
LOWEST 16 500 PM  
AVERAGE 48  
   
......................................................
 
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 96 1953  
1967  
MINIMUM TEMPERATURE (F) 52 39 1916  
1956  
1995  
 
SUNRISE AND SUNSET  
AUGUST 20 2025........SUNRISE 633 AM MDT SUNSET 829 PM MDT  
AUGUST 21 2025........SUNRISE 634 AM MDT SUNSET 827 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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