052  
CDUS45 KTFX 312340  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MST SUN DEC 31 2023  
   
...............................  
 
   
..THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 31 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 39 351 PM 56 1917 31 8 41  
MINIMUM 17 822 AM -34 1968 12 5 26  
AVERAGE 28 22 6 34  
 
PRECIPITATION (IN)  
TODAY 0.00 0.14 1959 0.01 -0.01 0.00  
MONTH TO DATE 0.03 0.46 -0.43 0.69  
SINCE OCT 1 1.52 1.83 -0.31 3.41  
SINCE JAN 1 12.48 11.40 1.08 11.50  
 
DEGREE DAYS  
HEATING  
TODAY 37 43 -6 31  
MONTH TO DATE 1013 1288 -275 1443  
SINCE DEC 1 1013 1288 -275 1443  
SINCE JUL 1 2574 3130 -556 3313  
 
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 NW (310)  
HIGHEST GUST SPEED 7 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 0.2  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 100 AM  
LOWEST 57 300 PM  
AVERAGE 73  
   
......................................................  
 
THE HELENA MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 59 1918  
1939  
MINIMUM TEMPERATURE (F) 12 -33 1942  
 
SUNRISE AND SUNSET  
DECEMBER 31 2023......SUNRISE 812 AM MST SUNSET 450 PM MST  
JANUARY 1 2024.......SUNRISE 812 AM MST SUNSET 451 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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