condition mean min max 0 h after light 0.4194865 0.0 0.838973 2 h after light 0.0 0.0 0.0 4 h after light 0.250582 0.0 0.501164 8 h after light 0.149738 0.0 0.299476 12 h after light 0.13663 0.0 0.27326 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.117286 0.0 0.234572