|  | WYOMING 
              / SheridanLatitude (N): 44.77
 Longitude 
              (W): 106.97
 Elevation (feet): 3,967
 Annual Precipitation (inches): 15
 Annual heating degree days (base 65 deg. F): 7,840
 APPROXIMATE 
              SUN ANGLE (at noon facing due south)  
              
                 
                  | Mar 
                      21 | June 
                      21 | Sept 
                      21 | Dec 
                      21 |   
                  |  
                      45 deg. |  
                      69 deg. |  
                      45 deg. |  
                      21 deg. |   
              
 AVERAGE DAILY SOLAR RADIATION
 
 
               
                |  | March | June | September | December |   
                | On 
                  horizontal surface |   
                | kWh/m2 | 3.9 | 6.7 | 4.6 | 1.6 |   
                | BTU/ft2 | 1,237 | 2,125 | 1,459 | 508 |   
                | On 
                  vertical surface |   
                | kWh/m2 | 4.2 | 2.9 | 4.1 | 3.4 |   
                | BTU/ft2 | 1,332 | 920 | 1,301 | 1,078 |  AVERAGE TEMPERATURE 
              AND WIND SPEED
  
              
                 
                  |  | March | June | September | December |   
                  | Daily 
                    Min. - Degrees F | 22 | 47 | 41 | 10 |   
                  | Daily 
                    Max. - Degrees F | 46 | 77 | 73 | 35 |   
                  | Wind 
                    Speed - miles/hour | 8.9 | 7.6 | 7.4 | 7.6 |    [Select 
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