condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.058728 0.0 0.176184 12 h after light 0.24009966666666666 0.0 0.533445 3 h after dark 0.254467 0.215646 0.283723 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