709  
CDUS45 KTFX 122340  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MST TUE DEC 12 2023  
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 12 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 31 359 PM 62 1921 33 -2 23  
2014  
MINIMUM 27 1109 AM -23 1917 15 12 16  
1922  
AVERAGE 29 24 5 20  
 
PRECIPITATION (IN)  
TODAY T 0.60 1937 0.01 -0.01 0.03  
MONTH TO DATE 0.03 0.18 -0.15 0.26  
SINCE OCT 1 1.52 1.55 -0.03 2.98  
SINCE JAN 1 12.48 11.12 1.36 11.07  
 
DEGREE DAYS  
HEATING  
TODAY 36 41 -5 45  
MONTH TO DATE 319 475 -156 505  
SINCE DEC 1 319 475 -156 505  
SINCE JUL 1 1880 2317 -437 2375  
 
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 W (260)  
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 1.4  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1200 PM  
LOWEST 88 200 AM  
AVERAGE 92  
   
......................................................
 
 
THE HELENA MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 58 1924  
MINIMUM TEMPERATURE (F) 14 -22 1919  
 
SUNRISE AND SUNSET  
DECEMBER 12 2023......SUNRISE 803 AM MST SUNSET 440 PM MST  
DECEMBER 13 2023......SUNRISE 804 AM MST SUNSET 440 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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