126  
CDUS45 KTFX 010917 RRB  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
151 AM MST MON JAN 01 2024  
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 31 2023
 
 
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)  
YESTERDAY  
MAXIMUM 39 405 PM 56 1917 31 8 41  
MINIMUM 17 822 AM -34 1968 12 5 26  
AVERAGE 28 22 6 34  
 
PRECIPITATION (IN)  
YESTERDAY 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  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.8 1969 0.2 -0.2 0.0  
MONTH TO DATE 0.6 7.7 -7.1 10.7  
SINCE DEC 1 0.6 7.7 -7.1 10.7  
SINCE JUL 1 14.5 16.4 -1.9 23.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 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 SW (240)  
HIGHEST GUST SPEED 7 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 1.0  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 100 AM  
LOWEST 57 300 PM  
AVERAGE 73  
   
......................................................
 
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 59 1918  
1939  
MINIMUM TEMPERATURE (F) 12 -33 1942  
 
SUNRISE AND SUNSET  
JANUARY 1 2024.......SUNRISE 812 AM MST SUNSET 451 PM MST  
JANUARY 2 2024.......SUNRISE 812 AM MST SUNSET 452 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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