condition mean min max 0 h after light 1.916865 1.88999 1.94374 2 h after light 2.4730049999999997 2.18225 2.76376 4 h after light 2.15751 2.1024 2.21262 8 h after light 2.5526150000000003 2.39589 2.70934 12 h after light 3.66565 3.36392 3.96738 2 h after dark 3.2449149999999998 2.84029 3.64954 4 h after dark 3.59155 3.55558 3.62752 8 h after dark 4.5162949999999995 3.4557 5.57689 12 h after dark 3.3391599999999997 2.94493 3.73339