condition mean min max 4 h after light 404.333685 376.544397 432.122973 8 h after light 370.678125 359.312223 382.044027 12 h after light 392.240023 359.786451 424.693595 4 h after dark 447.992363 385.799322 510.185404 8 h after dark 563.611476 520.513233 606.709719 12 h after dark 439.527839 439.527839 439.527839