condition mean min max 4 h after light 432.8 432.8 432.8 8 h after light 415.75 356.7 474.8 12 h after light 435.95 370.9 501.0 4 h after dark 407.7 393.9 421.5 8 h after dark 455.54999999999995 442.2 468.9 12 h after dark 530.05 499.2 560.9