condition mean min max 0 h after light 0.135253 0.0 0.270506 2 h after light 0.109329 0.0 0.218658 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.054765 0.0 0.10953 12 h after dark 0.1039475 0.0 0.207895