condition mean min max 4 h after light 414.4 414.4 414.4 8 h after light 512.35 468.5 556.2 12 h after light 420.55 304.1 537.0 4 h after dark 408.29999999999995 387.7 428.9 8 h after dark 419.04999999999995 355.2 482.9 12 h after dark 471.05 443.0 499.1