condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.2838753333333333 0.0 0.851626 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0