067  
CDUS45 KTFX 220746  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
146 AM MDT SUN SEP 22 2024  
   
...............................  
 
   
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 21 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 66 454 PM 90 1966 71 -5 50  
1967  
MINIMUM 37 614 AM 20 1995 43 -6 44  
AVERAGE 52 57 -5 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.30 1937 0.03 -0.03 0.19  
MONTH TO DATE 1.23 0.70 0.53 1.41  
SINCE OCT 1 10.57 11.14 -0.57 13.08  
SINCE JAN 1 9.05 9.31 -0.26 9.67  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.6 1968 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 13 8 5 18  
MONTH TO DATE 57 119 -62 47  
SINCE SEP 1 57 119 -62 47  
SINCE JUL 1 69 182 -113 51  
 
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 13 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 500 AM  
LOWEST 30 500 PM  
AVERAGE 55  
   
......................................................  
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 89 1966  
MINIMUM TEMPERATURE (F) 43 21 1934  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2024.....SUNRISE 716 AM MDT SUNSET 724 PM MDT  
SEPTEMBER 23 2024.....SUNRISE 717 AM MDT SUNSET 722 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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