condition mean min max 0 h after light 0.040137599999999996 0.0401018 0.0401734 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0199141 0.0 0.0398282 12 h after dark 0.0 0.0 0.0