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 0.0188072 0.0 0.0376144 8 h after light 0.0197394 0.0 0.0394788 12 h after light 0.02190115 0.0 0.0438023 2 h after dark 0.01975285 0.0 0.0395057 4 h after dark 0.0368815 0.0 0.073763 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0