934  
CDUS45 KTFX 130745  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
145 AM MDT FRI SEP 13 2024  
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 12 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 62 MM 91 1953 75 -13 87  
1990  
2015  
MINIMUM 52 900 PM 22 1949 46 6 53  
AVERAGE 57 60 -3 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.13 0.75 1914 0.03 0.10 T  
MONTH TO DATE 0.98 0.41 0.57 1.22  
SINCE OCT 1 10.32 10.85 -0.53 12.89  
SINCE JAN 1 8.80 9.02 -0.22 9.48  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.4 1896 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.3 -0.3 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 6 2 0  
MONTH TO DATE 10 56 -46 10  
SINCE SEP 1 10 56 -46 10  
SINCE JUL 1 22 119 -97 14  
 
COOLING  
YESTERDAY 0 1 -1 5  
MONTH TO DATE 61 20 41 26  
SINCE SEP 1 61 20 41 26  
SINCE JAN 1 579 425 154 578    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 800 AM  
LOWEST 50 300 PM  
AVERAGE 70  
   
......................................................
 
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 92 1959  
MINIMUM TEMPERATURE (F) 46 27 1949  
1970  
1974  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2024.....SUNRISE 704 AM MDT SUNSET 742 PM MDT  
SEPTEMBER 14 2024.....SUNRISE 705 AM MDT SUNSET 740 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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