condition mean min max 3 h after light 1.84982575 0.280809 4.11033 7 h after light 0.39237767500000004 0.0713591 1.22581 11 h after light 0.3310211666666667 0.128496 0.593018 2 h after dark 1.3296701666666666 0.285163 4.01902 6 h after dark 1.283750125 0.0809965 3.49891 10 h after dark 1.0271418333333333 0.260173 5.50205