condition mean min max 4 h after light 713.9106695 550.86161 876.959729 8 h after light 826.288 695.992481 956.583519 12 h after light 657.7307745 635.732886 679.728663 4 h after dark 768.8984825 637.764527 900.032438 8 h after dark 786.9496859999999 527.590392 1046.30898 12 h after dark 698.462826 698.462826 698.462826