condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.340599 0.0 0.681198 8 h after light 0.68974 0.0 1.37948 12 h after light 1.438615 1.34668 1.53055 2 h after dark 0.3752115 0.0 0.750423 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