condition mean min max 3 h after light 2.9672633333333334 2.65932 3.24752 6 h after light 5.36008 3.5136 7.61973 9 h after light 4.661379999999999 4.61945 4.72354 12 h after light 6.637055 5.45114 8.0584 3 h after dark 4.144396666666666 3.19815 5.14013 6 h after dark 3.8046966666666666 3.35507 4.38165 9 h after dark 3.36165 2.14105 4.61514 12 h after dark 4.036805 3.84595 4.22766