condition mean min max 2 h after light 0.45783166666666664 0.0 1.57069 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.22077666666666665 0.0 1.32466 18 h after light 0.573485 0.0 1.287 2 h after dark 0.24429 0.0 1.46574