condition mean min max 4 h after light 430.8 430.8 430.8 8 h after light 457.45000000000005 446.6 468.3 12 h after light 535.25 490.3 580.2 4 h after dark 410.65 162.7 658.6 8 h after dark 426.5 254.4 598.6 12 h after dark 634.45 630.6 638.3