591  
CDUS45 KTFX 290742  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
142 AM MDT SUN SEP 29 2024  
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 28 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 85 416 PM 89 1892 68 17 65  
MINIMUM 47 619 AM 19 1965 41 6 36  
AVERAGE 66 54 12 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.65 1940 0.03 -0.03 0.00  
MONTH TO DATE 1.23 0.90 0.33 2.68  
SINCE OCT 1 10.57 11.34 -0.77 14.35  
SINCE JAN 1 9.05 9.51 -0.46 10.94  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.6 1925 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE SEP 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 0.0 0.5 -0.5 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 11 -11 14  
MONTH TO DATE 67 187 -120 93  
SINCE SEP 1 67 187 -120 93  
SINCE JUL 1 79 250 -171 97  
 
COOLING  
YESTERDAY 1 0 1 0  
MONTH TO DATE 72 27 45 36  
SINCE SEP 1 72 27 45 36  
SINCE JAN 1 590 432 158 588    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 500 AM  
LOWEST 27 400 PM  
AVERAGE 49  
   
......................................................
 
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 84 1967  
2009  
MINIMUM TEMPERATURE (F) 40 19 1985  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2024.....SUNRISE 725 AM MDT SUNSET 710 PM MDT  
SEPTEMBER 30 2024.....SUNRISE 726 AM MDT SUNSET 708 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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