Date,Gas Spot Reference Price "2018-12-01",24.45 "2018-12-02",24.45 "2018-12-03",24.249 "2018-12-04",25.091 "2018-12-05",24.65 "2018-12-06",24.127 "2018-12-07",23.252 "2018-12-08",22.78 "2018-12-09",22.78 "2018-12-10",22.923 "2018-12-11",23.357 "2018-12-13",24.178 "2018-12-14",25.024 "2018-12-15",24.913 "2018-12-16",24.913 "2018-12-17",24.905