condition mean min max 0 h after light 0.05833335 0.0561836 0.0604831 2 h after light 0.0281417 0.0 0.0562834 4 h after light 0.02854335 0.0 0.0570867 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.03047065 0.0 0.0609413 12 h after dark 0.0299865 0.0 0.059973