000  
CDUS45 KTFX 170759  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
159 AM MDT WED OCT 17 2018  
 
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR OCTOBER 16 2018
 
 
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)  
YESTERDAY  
MAXIMUM 59 428 PM 80 1991 59 0 73  
1927  
MINIMUM 29 452 AM 12 1946 32 -3 37  
AVERAGE 44 46 -2 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.39 1908 0.02 -0.02 0.00  
MONTH TO DATE 0.52 0.39 0.13 0.43  
SINCE OCT 1 0.52 0.39 0.13 0.43  
SINCE JAN 1 12.53 10.04 2.49 7.62  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.7 1908 0.0 0.0 0.0  
MONTH TO DATE 0.4 1.0 -0.6 1.3  
SINCE SEP 1 0.4 2.3 -1.9 1.3  
SINCE JUL 1 0.4 2.6 -2.2 1.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 19 2 10  
MONTH TO DATE 360 262 98 339  
SINCE SEP 1 607 499 108 607  
SINCE JUL 1 678 568 110 609  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 18 23 -5 66  
SINCE JAN 1 410 406 4 702    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 2.5  
 
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 600 AM  
LOWEST 31 300 PM  
AVERAGE 58  
   
......................................................
 
 
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 80 2003  
MINIMUM TEMPERATURE (F) 32 11 1930  
1905  
 
 
SUNRISE AND SUNSET  
OCTOBER 17 2018.......SUNRISE 748 AM MDT SUNSET 637 PM MDT  
OCTOBER 18 2018.......SUNRISE 750 AM MDT SUNSET 636 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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