condition mean min max 3 h after light 3.87338675 0.533511 10.3635 7 h after light 3.576415 1.69282 8.07172 11 h after light 2.524913333333333 1.24124 4.97107 2 h after dark 2.8053541666666666 1.0289 4.93986 6 h after dark 3.1006525 1.06941 5.49335 10 h after dark 2.8757163333333335 0.815617 7.02339