485  
CDUS45 KTFX 150734  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
134 AM MDT WED MAY 15 2024  
   
...............................  
 
   
..THE HELENA MT CLIMATE SUMMARY FOR MAY 14 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 64 1038 AM 88 1936 66 -2 73  
MINIMUM 51 1159 PM 25 1995 41 10 49  
AVERAGE 58 54 4 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.07 1977 0.06 -0.02 0.00  
MONTH TO DATE 1.06 0.65 0.41 0.57  
SINCE OCT 1 6.78 4.83 1.95 6.89  
SINCE JAN 1 5.26 3.00 2.26 3.48  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.5 1916 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 7 12 -5 4  
MONTH TO DATE 188 193 -5 104  
SINCE MAR 1 1549 1705 -156 1817  
SINCE JUL 1 6599 7199 -600 7402  
 
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 23 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 900 PM  
LOWEST 36 1200 AM  
AVERAGE 57  
   
......................................................  
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 88 1944  
MINIMUM TEMPERATURE (F) 41 26 1929  
1943  
 
SUNRISE AND SUNSET  
MAY 15 2024...........SUNRISE 553 AM MDT SUNSET 856 PM MDT  
MAY 16 2024...........SUNRISE 552 AM MDT SUNSET 857 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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