242  
CDUS45 KTFX 240736  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
136 AM MDT SUN SEP 24 2023  
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 23 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1866 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 226 PM 90 1966 70 0 71  
MINIMUM 49 1132 PM 16 1926 43 6 53  
AVERAGE 60 56 4 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.56 2007 0.03 -0.02 0.00  
MONTH TO DATE 2.68 0.76 1.92 0.93  
SINCE OCT 1 14.35 11.20 3.15 8.50  
SINCE JAN 1 10.94 9.37 1.57 7.07  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.5 1926 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 5 9 -4 3  
MONTH TO DATE 64 137 -73 83  
SINCE SEP 1 64 137 -73 83  
SINCE JUL 1 68 200 -132 85  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 34 27 7 81  
SINCE SEP 1 34 27 7 81  
SINCE JAN 1 586 432 154 749    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 1200 AM  
LOWEST 34 100 PM  
AVERAGE 59  
   
......................................................
 
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 91 2014  
MINIMUM TEMPERATURE (F) 42 6 1926  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2023.....SUNRISE 717 AM MDT SUNSET 722 PM MDT  
SEPTEMBER 25 2023.....SUNRISE 719 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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