condition mean min max 4 h after light 547.3 547.3 547.3 8 h after light 568.3499999999999 521.8 614.9 12 h after light 583.3499999999999 574.4 592.3 4 h after dark 518.0 463.5 572.5 8 h after dark 465.85 459.6 472.1 12 h after dark 467.7 442.7 492.7