condition mean min max 2 h after light 0.03192916666666667 0.0 0.191575 6 h after light 0.047723666666666664 0.0 0.286342 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0