301  
CDUS45 KTFX 212240  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT THU JUN 21 2018  
 
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR JUNE 21 2018
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1866 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 73 145 PM 102 1900 77 -4 82  
MINIMUM 53 438 AM 33 1942 50 3 58  
AVERAGE 63 64 -1 70  
 
PRECIPITATION (IN)  
TODAY 0.21 0.83 1916 0.06 0.15 0.00  
MONTH TO DATE 3.06 1.55 1.51 1.22  
SINCE OCT 1 13.87 7.22 6.65 8.03  
SINCE JAN 1 10.54 5.65 4.89 5.05  
 
DEGREE DAYS  
HEATING  
TODAY 2 3 -1 0  
MONTH TO DATE 99 111 -12 61  
SINCE JUN 1 99 111 -12 61  
SINCE JUL 1 7992 7516 476 7411  
 
COOLING  
TODAY 0 2 -2 5  
MONTH TO DATE 15 25 -10 36  
SINCE JUN 1 15 25 -10 36  
SINCE JAN 1 20 33 -13 45    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 1.9  
 
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 61 1100 AM  
AVERAGE 81  
   
......................................................
 
 
 
THE HELENA MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 98 1919  
MINIMUM TEMPERATURE (F) 50 33 1892  
 
 
SUNRISE AND SUNSET  
JUNE 21 2018..........SUNRISE 535 AM MDT SUNSET 925 PM MDT  
JUNE 22 2018..........SUNRISE 535 AM MDT SUNSET 925 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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