condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.07117866666666667 0.0 0.213536 12 h after light 0.091623 0.0 0.161635 3 h after dark 0.0 0.0 0.0 6 h after dark 0.05492866666666666 0.0 0.164786 9 h after dark 0.133943 0.0 0.263539 12 h after dark 0.045011666666666665 0.0 0.135035