condition mean min max 4 h after light 447.13579100000004 418.988741 475.282841 8 h after light 396.0642125 356.042911 436.085514 12 h after light 436.456627 417.078211 455.835043 4 h after dark 391.4476755 340.898621 441.99673 8 h after dark 382.2717 301.564381 462.979019 12 h after dark 457.337946 457.337946 457.337946