condition mean min max 4 h after light 12.729576999999999 10.86483 14.594324 8 h after light 10.610066 10.461657 10.758475 12 h after light 11.919851999999999 11.119206 12.720498 4 h after dark 12.928028000000001 12.91374 12.942316 8 h after dark 11.6734795 11.541916 11.805043 12 h after dark 13.682607 13.682607 13.682607