condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.041001333333333334 0.0 0.246008 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0