|  | NEVADA 
              / ElkoLatitude (N): 40.83
 Longitude 
              (W): 115.78
 Elevation (feet): 5,076
 Annual Precipitation (inches): 9
 Annual heating degree days (base 65 deg. F): 7,250
 APPROXIMATE 
              SUN ANGLE (at noon facing due south)  
              
                 
                  | Mar 
                      21 | June 
                      21 | Sept 
                      21 | Dec 
                      21 |   
                  |  
                      49 deg. |  
                      73 deg. |  
                      49 deg. |  
                      25  |   
              
 AVERAGE DAILY SOLAR RADIATION
 
 
               
                |  | March | June | September | December |   
                | On 
                  horizontal surface |   
                | kWh/m2 | 4.0 | 7.1 | 5.4 | 1.9 |   
                | BTU/ft2 | 1,269 | 2,252 | 1,713 | 603 |   
                | On 
                  vertical surface |   
                | kWh/m2 | 3.8 | 2.7 | 4.5 | 3.7 |   
                | BTU/ft2 | 1,205 | 856 | 1,427 | 1,174 |  AVERAGE TEMPERATURE 
              AND WIND SPEED
  
              
                 
                  |  | March | June | September | December |   
                  | Daily 
                    Min. - Degrees F | 25 | 46 | 39 | 14 |   
                  | Daily 
                    Max. - Degrees F | 50 | 80 | 78 | 38 |   
                  | Wind 
                    Speed - miles/hour | 6.7 | 6.5 | 5.6 | 4.9 |    [Select 
              another city] |  |