condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.1567267 0.0715646 0.316362 12 h after light 0.07257566666666666 0.0 0.217727 3 h after dark 0.016726566666666668 0.0 0.0501797 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.021789966666666664 0.0 0.0653699