condition mean min max 4 h after light 4.19862 3.2959 5.10134 8 h after light 1.2551 1.20363 1.30657 12 h after light 0.743901 0.587994 0.899808 4 h after dark 0.72682 0.597706 0.878453 8 h after dark 1.75687 1.3296 2.38997 12 h after dark 2.1425533333333333 1.84208 2.35153