condition mean min max 4 h after light 561.0 561.0 561.0 8 h after light 951.4 455.5 1447.3 12 h after light 744.9000000000001 450.4 1039.4 4 h after dark 583.05 360.2 805.9 8 h after dark 623.45 452.3 794.6 12 h after dark 739.95 643.4 836.5