condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.061936333333333336 0.0 0.262794 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.0350515 0.0 0.210309 2 h after dark 0.0 0.0 0.0