condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.02614886666666667 0.0 0.0784466 12 h after light 0.0 0.0 0.0 3 h after dark 0.02715643333333333 0.0 0.0814693 6 h after dark 0.038856666666666664 0.0 0.11657 9 h after dark 0.035105000000000004 0.0 0.105315 12 h after dark 0.062819 0.0 0.125638