condition mean min max 4 h after light 489.2 489.2 489.2 8 h after light 653.4 582.4 724.4 12 h after light 598.4000000000001 530.1 666.7 4 h after dark 716.45 567.5 865.4 8 h after dark 658.7 510.1 807.3 12 h after dark 557.55 440.6 674.5