condition mean min max 3 h after light 1.35842 1.12235 1.59904 6 h after light 2.1056333333333335 1.41807 2.74173 9 h after light 3.4206366666666663 2.02454 4.12151 12 h after light 3.16181 2.15705 5.03432 3 h after dark 5.321193333333333 3.63505 7.05365 6 h after dark 2.9384799999999998 2.25329 4.22838 9 h after dark 1.7242866666666667 1.35234 1.9542 12 h after dark 1.570362 0.779754 2.36097