condition mean min max 4 h after light 10.688026 10.19866 11.177392 8 h after light 12.046965 10.8641 13.22983 12 h after light 11.880423 11.80811 11.952736 4 h after dark 11.177392 11.177392 11.177392 8 h after dark 11.220831 11.177392 11.26427 12 h after dark 10.706924 10.706924 10.706924