condition mean min max 0 h after light 1.0488095 0.909159 1.18846 2 h after light 0.7253365 0.583268 0.867405 4 h after light 1.25008 1.09973 1.40043 8 h after light 0.970545 0.93892 1.00217 12 h after light 2.20538 2.14971 2.26105 2 h after dark 1.74627 1.62685 1.86569 4 h after dark 2.011515 1.9217 2.10133 8 h after dark 1.96265 1.83142 2.09388 12 h after dark 1.23455 1.22465 1.24445