condition mean min max 4 h after light 357.9 357.9 357.9 8 h after light 379.9 356.6 403.2 12 h after light 486.1 388.6 583.6 4 h after dark 578.6500000000001 517.7 639.6 8 h after dark 518.3 397.6 639.0 12 h after dark 567.0 484.9 649.1