condition mean min max 3 h after light 1.0389586666666666 0.85166 1.30941 6 h after light 2.31518 1.03108 3.13665 9 h after light 4.34161 2.31356 7.29944 12 h after light 3.1656625000000003 2.05717 5.5307 3 h after dark 1.9990266666666667 1.37788 2.84755 6 h after dark 2.3393333333333333 1.12665 4.02072 9 h after dark 1.095022 0.890636 1.22918 12 h after dark 2.48139 2.42858 2.5342