condition mean min max 4 h after light 433.476763 416.965783 449.987743 8 h after light 505.4816985 485.115956 525.847441 12 h after light 597.8002205 525.847441 669.753 4 h after dark 557.1470485 525.847441 588.446656 8 h after dark 599.474216 534.683372 664.26506 12 h after dark 415.104566 415.104566 415.104566