condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.13252833333333333 0.0 0.241145 9 h after light 0.151784 0.0 0.238874 12 h after light 0.07784659999999999 0.0 0.165786 3 h after dark 0.09145633333333332 0.0 0.274369 6 h after dark 0.04362233333333334 0.0 0.130867 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0