706  
CDUS45 KTFX 221116  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
415 AM MST WED NOV 22 2017  
 
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR NOVEMBER 21 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 39 1207 PM 61 1904 40 -1 53  
MINIMUM 27 803 AM -18 1946 20 7 32  
AVERAGE 33 30 3 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.52 1921 0.02 -0.02 0.00  
MONTH TO DATE 0.93 0.34 0.59 0.01  
SINCE OCT 1 1.37 1.02 0.35 1.69  
SINCE JAN 1 8.56 10.67 -2.11 8.86  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.1 1921 0.2 -0.2 0.0  
MONTH TO DATE 7.5 3.0 4.5 T  
SINCE SEP 1 8.8 6.7 2.1 1.0  
SINCE JUL 1 8.8 7.0 1.8 1.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 35 -3 22  
MONTH TO DATE 791 638 153 439  
SINCE SEP 1 1675 1477 198 1168  
SINCE JUL 1 1677 1546 131 1212  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 66 23 43 13  
SINCE JAN 1 702 406 296 455    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 1.0  
 
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 800 AM  
LOWEST 76 1200 PM  
AVERAGE 88  
   
......................................................
 
 
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 68 1954  
MINIMUM TEMPERATURE (F) 19 -23 1985  
 
 
SUNRISE AND SUNSET  
NOVEMBER 22 2017......SUNRISE 740 AM MST SUNSET 448 PM MST  
NOVEMBER 23 2017......SUNRISE 742 AM MST SUNSET 447 PM MST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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