605  
CDUS45 KTFX 270725  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
125 AM MDT SAT MAY 27 2017  
 
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR MAY 26 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1866 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 67 443 PM 88 1966 70 -3 69  
1936  
MINIMUM 41 515 AM 29 1975 44 -3 43  
AVERAGE 54 57 -3 56  
 
PRECIPITATION (IN)  
YESTERDAY T 0.71 1908 0.08 -0.08 0.06  
MONTH TO DATE 1.35 1.48 -0.13 1.42  
SINCE OCT 1 6.77 5.28 1.49 4.79  
SINCE JAN 1 3.79 3.71 0.08 3.09  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.4 1918 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.9 -0.9 T  
SINCE MAR 1 2.9 10.8 -7.9 T  
SINCE JUL 1 51.5 38.1 13.4 14.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 9 2 9  
MONTH TO DATE 263 311 -48 299  
SINCE MAR 1 1540 1804 -264 1508  
SINCE JUL 1 7340 7365 -25 6448  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 6 0 6 0  
SINCE MAR 1 6 0 6 0  
SINCE JAN 1 6 0 6 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.1  
 
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 500 AM  
LOWEST 26 200 PM  
AVERAGE 53  
   
......................................................
 
 
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 90 1986  
1936  
MINIMUM TEMPERATURE (F) 44 27 1995  
 
 
SUNRISE AND SUNSET  
MAY 27 2017...........SUNRISE 542 AM MDT SUNSET 909 PM MDT  
MAY 28 2017...........SUNRISE 541 AM MDT SUNSET 910 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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