condition mean min max 3 h after light 0.03602866666666667 0.0 0.108086 6 h after light 0.0 0.0 0.0 9 h after light 0.028065066666666666 0.0 0.0841952 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0