condition mean min max 4 h after light 5.497171666666667 3.28266 7.720569 8 h after light 2.368665 1.583504 2.794567 12 h after light 4.5935163333333335 1.753587 9.129549 16 h after light 17.283021333333334 3.676053 44.29493 4 h after dark 2.680721 2.4467 3.10094 8 h after dark 2.334101 1.689588 3.16182