condition mean min max 4 h after light 494.3 494.3 494.3 8 h after light 387.2 363.7 410.7 12 h after light 572.0 431.1 712.9 4 h after dark 650.9000000000001 536.7 765.1 8 h after dark 485.9 454.7 517.1 12 h after dark 435.4 401.6 469.2