condition mean min max 4 h after light 366.3 366.3 366.3 8 h after light 386.25 377.2 395.3 12 h after light 415.35 410.4 420.3 4 h after dark 463.5 377.7 549.3 8 h after dark 431.1 405.8 456.4 12 h after dark 399.05 377.3 420.8