128  
CDUS45 KTFX 310738  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
138 AM MDT FRI MAY 31 2024  
   
...............................  
 
   
..THE HELENA MT CLIMATE SUMMARY FOR MAY 30 2024  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1866 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 63 430 PM 92 1986 70 -7 79  
MINIMUM 42 143 AM 29 1977 46 -4 49  
AVERAGE 53 58 -5 64  
 
PRECIPITATION (IN)  
YESTERDAY T 0.82 1988 0.09 -0.09 0.00  
MONTH TO DATE 1.69 1.86 -0.17 1.21  
SINCE OCT 1 7.41 6.04 1.37 7.53  
SINCE JAN 1 5.89 4.21 1.68 4.12  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.1 1917 0.0 0.0 0.0  
MONTH TO DATE 0.5 0.1 0.4 0.0  
SINCE MAR 1 10.2 7.6 2.6 21.6  
SINCE JUL 1 57.9 37.2 20.7 48.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 8 4 1  
MONTH TO DATE 353 343 10 147  
SINCE MAR 1 1714 1855 -141 1860  
SINCE JUL 1 6764 7349 -585 7445  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 14  
SINCE MAR 1 0 0 0 14  
SINCE JAN 1 0 0 0 14    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 13.3  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 200 AM  
LOWEST 20 700 PM  
AVERAGE 45  
   
......................................................  
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 88 1956  
MINIMUM TEMPERATURE (F) 46 27 1917  
 
SUNRISE AND SUNSET  
MAY 31 2024...........SUNRISE 539 AM MDT SUNSET 913 PM MDT  
JUNE 1 2024..........SUNRISE 538 AM MDT SUNSET 914 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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