condition mean min max 0 h after light 0.2238745 0.223675 0.224074 4 h after light 0.34965199999999996 0.313374 0.38593 8 h after light 0.9260215 0.912831 0.939212 4 h after dark 0.6327665 0.6065 0.659033 8 h after dark 0.4835135 0.38876 0.578267 12 h after dark 0.453716 0.279218 0.628214