condition mean min max 4 h after light 0.3987915 0.330863 0.46672 8 h after light 0.983749 0.667868 1.29963 12 h after light 0.6152575 0.527364 0.703151 4 h after dark 1.0086 0.0 1.51317 8 h after dark 0.7746611333333333 0.0115724 1.68396 12 h after dark 0.8667403333333333 0.0 2.29652