617  
CDUS45 KTFX 170737  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
137 AM MDT THU JUL 17 2025  
   
...............................  
 
   
..THE HELENA MT CLIMATE SUMMARY FOR JULY 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 75 620 PM 100 2007 87 -12 95  
MINIMUM 52 543 AM 39 1999 56 -4 57  
AVERAGE 64 71 -7 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.63 1884 0.04 -0.04 0.00  
MONTH TO DATE 0.26 0.57 -0.31 0.20  
SINCE OCT 1 8.50 8.91 -0.41 8.56  
SINCE JAN 1 7.74 7.08 0.66 7.04  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 1995 0.0 0.0 0.0  
1999  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 0 1 0  
MONTH TO DATE 12 21 -9 2  
SINCE JUN 1 123 165 -42 88  
SINCE JUL 1 12 21 -9 2  
 
COOLING  
YESTERDAY 0 7 -7 11  
MONTH TO DATE 107 84 23 100  
SINCE JUN 1 158 129 29 173  
SINCE JAN 1 183 136 47 173    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 100 AM  
LOWEST 34 600 PM  
AVERAGE 57  
   
......................................................  
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 102 2003  
MINIMUM TEMPERATURE (F) 56 39 1972  
 
SUNRISE AND SUNSET  
JULY 17 2025..........SUNRISE 552 AM MDT SUNSET 916 PM MDT  
JULY 18 2025..........SUNRISE 553 AM MDT SUNSET 915 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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