condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.024307099999999998 0.0228749 0.0257393 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0107613 0.0 0.0322839 12 h after dark 0.010030933333333334 0.0 0.0300928