condition mean min max 4 h after light 1.594956 0.955368 2.05418 8 h after light 1.5701589999999999 0.783837 1.98372 12 h after light 2.42746 1.67961 3.71932 4 h after dark 1.52252 1.14524 1.75893 8 h after dark 1.6494766666666667 1.01044 2.17152 12 h after dark 2.3643633333333334 2.13839 2.48605