condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.326059 0.0 0.652118 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.3046075 0.0 0.609215 8 h after dark 0.68753 0.0 1.37506 12 h after dark 0.3253555 0.0 0.650711