979  
CDUS45 KTFX 170740  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
140 AM MDT THU APR 17 2025  
   
...............................  
 
   
..THE HELENA MT CLIMATE SUMMARY FOR APRIL 16 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1866 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 55 1200 AM 80 1994 57 -2 58  
MINIMUM 35 900 PM 6 1896 32 3 37  
AVERAGE 45 44 1 48  
 
PRECIPITATION (IN)  
YESTERDAY T 0.48 2006 0.03 -0.03 0.00  
MONTH TO DATE 0.23 0.52 -0.29 0.71  
SINCE OCT 1 3.63 3.68 -0.05 5.66  
SINCE JAN 1 2.87 1.85 1.02 4.14  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.5 1894 0.1 -0.1 0.0  
MONTH TO DATE 1.0 1.8 -0.8 0.4  
SINCE MAR 1 1.0 6.4 -5.4 9.7  
SINCE JUL 1 36.8 36.0 0.8 57.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 20 0 17  
MONTH TO DATE 314 357 -43 236  
SINCE MAR 1 990 1255 -265 1098  
SINCE JUL 1 6062 6749 -687 6148  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 12.1  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 800 PM  
LOWEST 29 1200 AM  
AVERAGE 48  
   
......................................................  
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 80 1994  
MINIMUM TEMPERATURE (F) 33 9 1896  
 
SUNRISE AND SUNSET  
APRIL 17 2025.........SUNRISE 637 AM MDT SUNSET 819 PM MDT  
APRIL 18 2025.........SUNRISE 635 AM MDT SUNSET 821 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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