condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.1418525 0.0 0.851115 10 h after light 0.2750125 0.0 0.863668 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.54305 0.0 1.85087