Hebgen Dam, Montana
  ID: USC00244038  Latitude:  44.8667  Longitude: -111.3392
  Elevation: 6488.8 feet (1977.8 meters)
  Source: NOAA Climate Normals 1991-2020
  
  
      
  
  
   
  
      
  
  
    Precipitation Total: 28.63 in., 11.27 cm.
   
  
      
  
  
   
  
      
  Monthly Data Table for Hebgen Dam, Montana
  Monthly Data from NOAA Monthly Normals 2006-2020
  
  
    Imperial Units
    
      | Statistic | 
      Units | 
          Jan | 
    Feb | 
    Mar | 
    Apr | 
    May | 
    Jun | 
    Jul | 
    Aug | 
    Sep | 
    Oct | 
    Nov | 
    Dec | 
    
          
      | Maximum Temperature | 
      °F | 
    22.7 | 
    27.8 | 
    38.6 | 
    46.6 | 
    57.8 | 
    68.9 | 
    79.6 | 
    78.2 | 
    68.3 | 
    49.3 | 
    34.6 | 
    22.2 | 
    
          
      | Minimum Temperature | 
      °F | 
    2.9 | 
    5.6 | 
    14.4 | 
    22.8 | 
    32.3 | 
    39.2 | 
    45.6 | 
    43.8 | 
    37.5 | 
    27.8 | 
    18.3 | 
    5.4 | 
    
      
      
          
      | Heating Degree Days | 
      °F | 
    1618.2 | 
    1352.4 | 
    1193.6 | 
    909.0 | 
    618.5 | 
    330.1 | 
    98.2 | 
    134.2 | 
    364.5 | 
    819.9 | 
    1156.6 | 
    1587.0 | 
    
          
      | Cooling Degree Days | 
      °F | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.0 | 
    1.6 | 
    23.7 | 
    10.2 | 
    1.4 | 
    0.0 | 
    0.0 | 
    0.0 | 
    
          
      | Precipitation | 
      I | 
    3.2 | 
    3.7 | 
    2.7 | 
    3.1 | 
    3.1 | 
    3.0 | 
    1.5 | 
    1.3 | 
    1.9 | 
    2.6 | 
    2.6 | 
    3.1 | 
    
  
   
  
  
  
  
    Metric Units
    
      | Statistic | 
      Units | 
          Jan | 
    Feb | 
    Mar | 
    Apr | 
    May | 
    Jun | 
    Jul | 
    Aug | 
    Sep | 
    Oct | 
    Nov | 
    Dec | 
    
          
      | Maximum Temperature | 
      °C | 
    -5.2 | 
    -2.3 | 
    3.7 | 
    8.1 | 
    14.3 | 
    20.5 | 
    26.4 | 
    25.7 | 
    20.2 | 
    9.6 | 
    1.4 | 
    -5.4 | 
    
          
      | Minimum Temperature | 
      °C | 
    -16.2 | 
    -14.7 | 
    -9.8 | 
    -5.1 | 
    0.2 | 
    4.0 | 
    7.6 | 
    6.6 | 
    3.1 | 
    -2.3 | 
    -7.6 | 
    -14.8 | 
    
      
      
          
      | Heating Degree Days | 
      °C | 
    881.2 | 
    733.6 | 
    645.3 | 
    487.2 | 
    325.8 | 
    165.6 | 
    36.8 | 
    56.8 | 
    184.7 | 
    437.7 | 
    624.8 | 
    863.9 | 
    
          
      | Cooling Degree Days | 
      °C | 
    -17.8 | 
    -17.8 | 
    -17.8 | 
    -17.8 | 
    -17.8 | 
    -16.9 | 
    -4.6 | 
    -12.1 | 
    -17.0 | 
    -17.8 | 
    -17.8 | 
    -17.8 | 
    
          
      | Precipitation | 
      M | 
    8.1 | 
    9.5 | 
    6.9 | 
    7.8 | 
    7.9 | 
    7.7 | 
    3.8 | 
    3.3 | 
    4.9 | 
    6.5 | 
    6.5 | 
    7.9 |