condition mean min max 4 h after light 79.1219465 69.81617 88.427723 8 h after light 87.93715 87.85698 88.01732 12 h after light 112.0462645 87.409564 136.682965 4 h after dark 175.130324 110.268471 239.992177 8 h after dark 210.9442635 147.447882 274.440645 12 h after dark 110.268471 110.268471 110.268471