condition mean min max 4 h after light 0.037698 0.0 0.113094 8 h after light 0.142402 0.0 0.324689 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