condition mean min max 0 h after light 1.888195 1.60046 2.17593 4 h after light 1.08773 1.04834 1.12712 8 h after light 2.23815 2.14891 2.32739 4 h after dark 3.59902 3.15613 4.04191 8 h after dark 1.8648449999999999 1.70308 2.02661 12 h after dark 1.8142049999999998 1.11678 2.51163