condition mean min max 2 h after light 1.018748 0.878381 1.29436 6 h after light 0.8714963333333333 0.836673 0.914877 10 h after light 1.0441383333333334 0.968095 1.15439 2 h after dark 1.0428899999999999 1.00507 1.10388 6 h after dark 0.927924 0.672914 1.11494 10 h after dark 0.8702306666666667 0.724969 1.04004