condition mean min max 4 h after light 1.395265 1.25565 1.53488 8 h after light 1.6375899999999999 1.54379 1.73139 12 h after light 0.9987235 0.661557 1.33589 4 h after dark 1.8740933333333334 1.56896 2.29733 8 h after dark 3.0194866666666664 1.92647 3.57008 12 h after dark 1.4223816666666667 0.247075 2.22805