934  
CDUS45 KTFX 150740  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
140 AM MDT SUN SEP 15 2024  
   
...............................  
 
   
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 14 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 75 222 PM 94 1948 74 1 76  
MINIMUM 44 354 AM 18 1970 45 -1 48  
AVERAGE 60 60 0 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.05 1906 0.03 -0.03 0.00  
MONTH TO DATE 0.99 0.47 0.52 1.22  
SINCE OCT 1 10.33 10.91 -0.58 12.89  
SINCE JAN 1 8.81 9.08 -0.27 9.48  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.4 1982 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 5 6 -1 3  
MONTH TO DATE 22 68 -46 13  
SINCE SEP 1 22 68 -46 13  
SINCE JUL 1 34 131 -97 17  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 61 22 39 27  
SINCE SEP 1 61 22 39 27  
SINCE JAN 1 579 427 152 579    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 400 AM  
LOWEST 30 500 PM  
AVERAGE 60  
   
......................................................  
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 94 2000  
MINIMUM TEMPERATURE (F) 45 22 1970  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2024.....SUNRISE 707 AM MDT SUNSET 738 PM MDT  
SEPTEMBER 16 2024.....SUNRISE 708 AM MDT SUNSET 736 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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