condition mean min max 4 h after light 10.7017 7.3237 14.0797 8 h after light 5.74052 5.68642 5.79462 12 h after light 3.187355 3.1705 3.20421 4 h after dark 4.11081 2.81123 5.41039 8 h after dark 3.0958449999999997 2.75297 3.43872 12 h after dark 6.26304 5.72915 6.79693