condition mean min max 2 h after light 1.113885 0.0 3.55837 6 h after light 0.9342533333333334 0.0 2.46925 10 h after light 15.989613333333333 0.0 77.704 14 h after light 11.733115 0.0 51.4657 18 h after light 11.605503333333333 0.0 52.7857 2 h after dark 2.50397 0.0 7.81208