condition mean min max 0 h after light 0.02733415 0.0 0.0546683 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.054485149999999996 0.0510032 0.0579671 2 h after dark 0.056842 0.0 0.113684 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