condition mean min max 2 h after light 0.9075383333333333 0.733575 1.00688 6 h after light 0.689303 0.351872 0.994393 10 h after light 1.004078 0.791144 1.14196 2 h after dark 1.6354566666666666 1.11438 2.1033 6 h after dark 1.9149833333333335 1.05023 3.49826 10 h after dark 1.37446 0.79632 1.70803