708  
CDUS45 KTFX 150737  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
137 AM MDT SUN SEP 15 2019  
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 14 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1866 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 82 407 PM 94 1948 73 9 70  
MINIMUM 56 403 AM 18 1970 44 12 35  
AVERAGE 69 58 11 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.05 1906 0.04 -0.04 0.00  
MONTH TO DATE 2.25 0.56 1.69 0.05  
SINCE OCT 1 14.78 10.68 4.10 14.63  
SINCE JAN 1 13.87 9.11 4.76 11.30  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.4 1982 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.5 -0.5 0.0  
SINCE SEP 1 0.0 0.5 -0.5 0.0  
SINCE JUL 1 0.0 0.8 -0.8 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 7 -7 12  
MONTH TO DATE 45 74 -29 47  
SINCE SEP 1 45 74 -29 47  
SINCE JUL 1 73 143 -70 118  
 
COOLING  
YESTERDAY 4 1 3 0  
MONTH TO DATE 47 19 28 18  
SINCE SEP 1 47 19 28 18  
SINCE JAN 1 397 402 -5 410    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 400 AM  
LOWEST 28 400 PM  
AVERAGE 46  
   
......................................................
 
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 94 2000  
MINIMUM TEMPERATURE (F) 43 22 1970  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2019.....SUNRISE 706 AM MDT SUNSET 740 PM MDT  
SEPTEMBER 16 2019.....SUNRISE 707 AM MDT SUNSET 738 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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