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 0.0 0.0 0.0 4 h after dark 0.21333133333333332 0.0 0.419564 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0