646  
CDUS45 KTFX 152340  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MST FRI DEC 15 2023  
   
...............................  
 
   
..THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 15 2023  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1866 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 37 152 PM 57 1980 32 5 27  
MINIMUM 16 732 AM -25 1924 14 2 17  
AVERAGE 27 23 4 22  
 
PRECIPITATION (IN)  
TODAY 0.00 0.45 2016 0.01 -0.01 0.05  
MONTH TO DATE 0.03 0.22 -0.19 0.40  
SINCE OCT 1 1.52 1.59 -0.07 3.12  
SINCE JAN 1 12.48 11.16 1.32 11.21  
 
DEGREE DAYS  
HEATING  
TODAY 38 42 -4 43  
MONTH TO DATE 445 601 -156 645  
SINCE DEC 1 445 601 -156 645  
SINCE JUL 1 2006 2443 -437 2515  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 588 433 155 751    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 7 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 1.8  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 400 AM  
LOWEST 59 200 PM  
AVERAGE 74  
   
......................................................  
 
THE HELENA MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 60 1942  
MINIMUM TEMPERATURE (F) 14 -36 1964  
 
SUNRISE AND SUNSET  
DECEMBER 15 2023......SUNRISE 805 AM MST SUNSET 441 PM MST  
DECEMBER 16 2023......SUNRISE 806 AM MST SUNSET 441 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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