condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.021601166666666668 0.0 0.129607 18 h after light 0.0 0.0 0.0 2 h after dark 0.02633083333333333 0.0 0.157985