condition mean min max 4 h after light 414.6 414.6 414.6 8 h after light 298.65 250.3 347.0 12 h after light 372.85 239.2 506.5 4 h after dark 342.25 326.2 358.3 8 h after dark 422.45 295.1 549.8 12 h after dark 472.65 471.0 474.3