158  
CDUS45 KTFX 200739  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
139 AM MDT TUE AUG 20 2024  
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR AUGUST 19 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1866 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 92 156 PM 98 2008 84 8 78  
MINIMUM 61 614 AM 34 1995 52 9 55  
AVERAGE 77 68 9 67  
 
PRECIPITATION (IN)  
YESTERDAY T 0.87 1964 0.03 -0.03 0.05  
MONTH TO DATE 0.32 0.65 -0.33 0.13  
SINCE OCT 1 8.90 10.05 -1.15 11.29  
SINCE JAN 1 7.38 8.22 -0.84 7.88  
 
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 0 10 -10 1  
SINCE JUN 1 88 177 -89 79  
SINCE JUL 1 2 33 -31 4  
 
COOLING  
YESTERDAY 12 4 8 2  
MONTH TO DATE 125 117 8 160  
SINCE JUN 1 476 359 117 463  
SINCE JAN 1 476 366 110 478    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 50 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 1100 PM  
LOWEST 25 200 PM  
AVERAGE 46  
   
......................................................
 
 
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 2024........SUNRISE 633 AM MDT SUNSET 828 PM MDT  
AUGUST 21 2024........SUNRISE 635 AM MDT SUNSET 826 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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