592  
CDUS45 KTFX 180732  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
132 AM MDT MON AUG 18 2025  
   
...............................  
 
   
..THE HELENA MT CLIMATE SUMMARY FOR AUGUST 17 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 76 1225 PM 102 2023 85 -9 89  
MINIMUM 58 310 AM 38 1985 53 5 53  
2002  
AVERAGE 67 69 -2 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.14 0.74 2021 0.03 0.11 0.00  
MONTH TO DATE 1.36 0.59 0.77 0.31  
SINCE OCT 1 10.72 9.99 0.73 8.89  
SINCE JAN 1 9.96 8.16 1.80 7.37  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 1995 0.0 0.0 0.0  
1999  
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 8 3 0  
SINCE JUN 1 134 175 -41 88  
SINCE JUL 1 23 31 -8 2  
 
COOLING  
YESTERDAY 2 5 -3 6  
MONTH TO DATE 91 108 -17 102  
SINCE JUN 1 331 350 -19 453  
SINCE JAN 1 356 357 -1 453    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 300 AM  
LOWEST 45 1200 PM  
AVERAGE 71  
   
......................................................  
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 100 2001  
MINIMUM TEMPERATURE (F) 53 39 1954  
1995  
 
SUNRISE AND SUNSET  
AUGUST 18 2025........SUNRISE 631 AM MDT SUNSET 832 PM MDT  
AUGUST 19 2025........SUNRISE 632 AM MDT SUNSET 830 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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