condition mean min max 4 h after light 608.0 608.0 608.0 8 h after light 534.0999999999999 467.4 600.8 12 h after light 545.45 396.3 694.6 4 h after dark 567.95 517.5 618.4 8 h after dark 612.25 592.8 631.7 12 h after dark 570.6 490.1 651.1