condition mean min max 4 h after light 364.878696 318.217643 411.539749 8 h after light 423.42373299999997 397.191883 449.655583 12 h after light 574.8133775 512.406261 637.220494 4 h after dark 633.0605635 534.581378 731.539749 8 h after dark 1302.519867 1064.397937 1540.641797 12 h after dark 384.131473 384.131473 384.131473