condition mean min max 4 h after light 0.06771785 0.0449115 0.0905242 8 h after light 0.1283495 0.0 0.256699 12 h after light 0.1188165 0.0 0.237633 4 h after dark 0.157717 0.156585 0.158849 8 h after dark 0.371346 0.311112 0.43158 12 h after dark 0.2012323 0.0772526 0.325212