646  
CDUS45 KTFX 230736  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
136 AM MDT MON SEP 23 2024  
   
...............................  
 
   
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 22 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 78 222 PM 89 1966 71 7 57  
MINIMUM 38 651 AM 21 1934 43 -5 48  
AVERAGE 58 57 1 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.26 2023 0.03 -0.03 1.26  
MONTH TO DATE 1.23 0.73 0.50 2.67  
SINCE OCT 1 10.57 11.17 -0.60 14.34  
SINCE JAN 1 9.05 9.34 -0.29 10.93  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.1 1934 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 7 9 -2 12  
MONTH TO DATE 64 128 -64 59  
SINCE SEP 1 64 128 -64 59  
SINCE JUL 1 76 191 -115 63  
 
COOLING  
YESTERDAY 0 0 0 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 23 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 700 AM  
LOWEST 25 200 PM  
AVERAGE 56  
   
......................................................  
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 90 1966  
MINIMUM TEMPERATURE (F) 43 16 1926  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2024.....SUNRISE 717 AM MDT SUNSET 722 PM MDT  
SEPTEMBER 24 2024.....SUNRISE 718 AM MDT SUNSET 720 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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