condition mean min max 0 h after light 12.0647 11.6865 12.4429 2 h after light 20.100900000000003 20.0863 20.1155 4 h after light 14.03295 13.7305 14.3354 8 h after light 6.535065 6.44195 6.62818 12 h after light 7.3282799999999995 6.65532 8.00124 2 h after dark 9.408915 9.01566 9.80217 4 h after dark 7.682855 6.66009 8.70562 8 h after dark 10.18846 9.91742 10.4595 12 h after dark 14.9941 14.4224 15.5658