condition mean min max 4 h after light 338.5 338.5 338.5 8 h after light 367.1 323.0 411.2 12 h after light 467.65 447.1 488.2 4 h after dark 457.45000000000005 378.7 536.2 8 h after dark 393.15000000000003 269.1 517.2 12 h after dark 314.0 308.1 319.9