condition mean min max 4 h after light 226.2445765 223.484322 229.004831 8 h after light 191.80898000000002 189.232057 194.385903 12 h after light 223.2959055 219.469794 227.122017 4 h after dark 226.0868875 222.968084 229.205691 8 h after dark 221.63066750000002 213.875432 229.385903 12 h after dark 212.446058 212.446058 212.446058