condition mean min max 4 h after light 337.0 337.0 337.0 8 h after light 338.65 332.3 345.0 12 h after light 417.3 275.0 559.6 4 h after dark 497.40000000000003 405.6 589.2 8 h after dark 526.4 435.0 617.8 12 h after dark 557.2 525.1 589.3