condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.3676195 0.0 0.735239 4 h after light 0.0 0.0 0.0 8 h after light 0.3775415 0.0 0.755083 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 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0