condition mean min max 4 h after light 403.6 403.6 403.6 8 h after light 395.04999999999995 388.9 401.2 12 h after light 454.35 414.5 494.2 4 h after dark 515.05 415.4 614.7 8 h after dark 687.7 670.1 705.3 12 h after dark 604.2 596.1 612.3