| Monthly Solar Values for Washington High School |
| Month | Solar Resource |
| January | 2.25 |
| February | 2.92 |
| March | 4.46 |
| April | 5.61 |
| May | 5.98 |
| June | 6.39 |
| July | 4.98 |
| August | 4.53 |
| September | 4.39 |
| October | 3.43 |
| November | 2.60 |
| December | 1.92 |
| Solar Resource = Kilowatt hours per square meter per day |