000  
CDUS45 KTFX 200737  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
137 AM MDT FRI SEP 20 2024  
   
...............................  
 
   
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 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 74 457 PM 94 2009 72 2 73  
MINIMUM 51 648 AM 25 1965 44 7 50  
AVERAGE 63 58 5 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.96 1925 0.04 -0.04 0.00  
MONTH TO DATE 1.23 0.64 0.59 1.22  
SINCE OCT 1 10.57 11.08 -0.51 12.89  
SINCE JAN 1 9.05 9.25 -0.20 9.48  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.2 1925 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.4 -0.4 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 8 -6 3  
MONTH TO DATE 39 103 -64 18  
SINCE SEP 1 39 103 -64 18  
SINCE JUL 1 51 166 -115 22  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 62 27 35 34  
SINCE SEP 1 62 27 35 34  
SINCE JAN 1 580 432 148 586    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 700 AM  
LOWEST 28 400 PM  
AVERAGE 50  
   
......................................................  
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 90 1922  
MINIMUM TEMPERATURE (F) 43 20 1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2024.....SUNRISE 713 AM MDT SUNSET 728 PM MDT  
SEPTEMBER 21 2024.....SUNRISE 714 AM MDT SUNSET 726 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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