345  
CDUS45 KTFX 090746  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
146 AM MDT THU MAY 09 2024  
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR MAY 8 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 44 1147 PM 85 1987 64 -20 64  
MINIMUM 34 541 AM 23 1997 39 -5 42  
AVERAGE 39 52 -13 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.98 1.01 1948 0.05 0.93 0.02  
MONTH TO DATE 1.01 0.32 0.69 0.47  
SINCE OCT 1 6.73 4.50 2.23 6.79  
SINCE JAN 1 5.21 2.67 2.54 3.38  
 
SNOWFALL (IN)  
YESTERDAY 0.5 3.2 1922 0.0 0.5 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 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 14 12 12  
MONTH TO DATE 154 118 36 44  
SINCE MAR 1 1515 1630 -115 1757  
SINCE JUL 1 6565 7124 -559 7342  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE MAR 1 0 0 0 1  
SINCE JAN 1 0 0 0 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 9.6  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
MIXED PRECIP  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 800 AM  
LOWEST 67 500 PM  
AVERAGE 80  
   
......................................................
 
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 84 1987  
1994  
MINIMUM TEMPERATURE (F) 39 24 2002  
 
SUNRISE AND SUNSET  
MAY 9 2024...........SUNRISE 601 AM MDT SUNSET 849 PM MDT  
MAY 10 2024...........SUNRISE 559 AM MDT SUNSET 850 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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