condition mean min max 4 h after light 0.01037635 0.0 0.0207527 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0065303666666666664 0.0 0.0195911 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0