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Gas Quality / Gas Quality By Date

Date Requested: Jan 15 2026 2:35 PM

Comments:

The data contained herein is preliminary data and therefore should be used for contemporaneous operational purposes only and may be subject to change at month-end. This data is provided to assist our customers in tracking their gas usage as closely as possible on a real-time basis. The information contained on this web page is not to be considered billable information. This data will be subject to additional verification and possible modification prior to billing.

The Btu specified is on a higher heating value (HHV) basis.
Gas constituents specified as percent (%) by volume.
Gas Quality information for the current Gas Day is updated for all location ID's after 11:00 a.m.
For Gas Quality by Date, any time can be specified, all historical data (93 days) is defaulted to current Gas Day.

TSP Name:

Northern Natural Gas Company

TSP:

784158214

Gas Quality by ID

Chromatograph Report For:

Date	BTU	CO2	N2	Gravity	Methane	Ethane	Propane	Ibutane	Nbutane	Ipentane	Npentane	C6	C7	H	Helium	Oxygen	H20


01/15/2026	1092.748	1.002	1.799	0.640	84.219	12.102	0.811	0.022	0.039	0.002	0.002	0.001	0.001	0.000
01/14/2026	1093.669	0.978	1.771	0.640	84.233	12.133	0.817	0.022	0.040	0.003	0.003	0.001	0.001	0.000
01/13/2026	1093.911	0.959	1.805	0.640	84.172	12.172	0.822	0.022	0.041	0.003	0.003	0.001	0.001	0.000
01/12/2026	1093.624	0.937	1.887	0.640	84.078	12.201	0.826	0.023	0.041	0.003	0.003	0.001	0.001	0.000
01/11/2026	1091.894	0.850	2.009	0.639	84.203	12.060	0.808	0.023	0.041	0.003	0.003	0.001	0.001	0.000
01/10/2026	1093.183	0.806	1.706	0.636	84.805	11.838	0.776	0.022	0.039	0.003	0.003	0.001	0.001	0.000
01/09/2026	1091.586	1.042	1.761	0.639	84.344	11.994	0.795	0.021	0.037	0.002	0.002	0.001	0.001	0.000
01/08/2026	1091.598	1.034	1.765	0.639	84.351	11.994	0.792	0.021	0.037	0.002	0.002	0.001	0.001	0.000
01/07/2026	1091.859	1.015	1.780	0.639	84.333	12.010	0.798	0.021	0.038	0.002	0.002	0.001	0.001	0.000
01/06/2026	1091.721	0.997	1.833	0.640	84.276	12.027	0.801	0.021	0.038	0.002	0.002	0.001	0.001	0.000
01/05/2026	1090.728	0.961	1.979	0.640	84.155	12.034	0.805	0.021	0.039	0.003	0.003	0.001	0.001	0.000
01/04/2026	1093.154	0.964	1.795	0.639	84.272	12.087	0.814	0.022	0.040	0.003	0.003	0.001	0.001	0.000
01/03/2026	1094.389	0.938	1.799	0.640	84.176	12.194	0.822	0.023	0.041	0.003	0.003	0.001	0.001	0.000
01/02/2026	1093.475	0.871	1.763	0.638	84.506	11.996	0.795	0.022	0.040	0.003	0.003	0.001	0.001	0.000
01/01/2026	1090.834	1.001	1.744	0.638	84.566	11.841	0.784	0.021	0.037	0.002	0.002	0.001	0.001	0.000
12/31/2025	1092.002	0.945	1.760	0.638	84.522	11.916	0.791	0.021	0.039	0.003	0.003	0.001	0.001	0.000
12/30/2025	1093.494	0.816	1.709	0.636	84.727	11.888	0.783	0.022	0.039	0.003	0.003	0.001	0.001	0.008
12/29/2025	1089.743	1.069	1.771	0.639	84.428	11.820	0.805	0.021	0.038	0.002	0.002	0.000	0.000	0.042
12/28/2025	1090.640	1.055	1.758	0.639	84.442	11.855	0.811	0.021	0.039	0.002	0.002	0.001	0.001	0.012
12/27/2025	1091.154	1.041	1.766	0.639	84.423	11.884	0.819	0.022	0.040	0.002	0.002	0.001	0.001	0.000
12/26/2025	1091.464	1.026	1.779	0.639	84.392	11.914	0.821	0.022	0.040	0.002	0.002	0.001	0.001	0.000
12/25/2025	1091.759	1.001	1.822	0.639	84.319	11.963	0.825	0.023	0.041	0.002	0.002	0.001	0.001	0.000
12/24/2025	1091.170	0.956	1.977	0.640	84.148	12.017	0.830	0.023	0.043	0.003	0.003	0.001	0.001	0.000
12/23/2025	1093.526	0.957	1.801	0.640	84.249	12.091	0.829	0.024	0.043	0.003	0.003	0.001	0.001	0.000
12/22/2025	1094.225	0.930	1.839	0.640	84.125	12.212	0.823	0.023	0.041	0.003	0.003	0.001	0.001	0.000
12/21/2025	1094.655	0.905	1.828	0.640	84.150	12.224	0.822	0.023	0.041	0.003	0.003	0.001	0.001	0.000
12/20/2025	1092.285	0.848	1.817	0.637	84.568	11.923	0.774	0.023	0.040	0.003	0.003	0.001	0.001	0.000
12/19/2025	1091.005	0.976	1.735	0.638	84.604	11.858	0.762	0.021	0.038	0.003	0.003	0.000	0.000	0.001
12/18/2025	1090.831	1.000	1.765	0.638	84.508	11.895	0.767	0.021	0.038	0.002	0.002	0.001	0.001	0.000
12/17/2025	1091.500	0.970	1.846	0.639	84.326	12.005	0.785	0.022	0.040	0.003	0.003	0.001	0.001	0.000
12/16/2025	1090.753	0.908	2.088	0.640	84.020	12.119	0.797	0.022	0.040	0.003	0.003	0.001	0.001	0.000
12/15/2025	1094.930	0.887	1.844	0.640	84.118	12.260	0.820	0.023	0.041	0.003	0.003	0.001	0.001	0.000
12/14/2025	1095.059	0.838	1.819	0.639	84.260	12.206	0.807	0.023	0.041	0.003	0.003	0.001	0.001	0.000
12/13/2025	1093.588	0.815	1.732	0.637	84.654	11.946	0.776	0.022	0.039	0.003	0.003	0.001	0.001	0.010
12/12/2025	1087.243	1.144	1.795	0.639	84.401	11.747	0.765	0.021	0.038	0.002	0.002	0.000	0.000	0.085
12/11/2025	1084.719	1.130	1.714	0.636	84.845	11.463	0.698	0.018	0.033	0.002	0.002	0.000	0.000	0.096
12/10/2025	1087.648	1.123	1.758	0.638	84.443	11.786	0.742	0.020	0.035	0.002	0.002	0.000	0.000	0.090
12/09/2025	1092.416	1.134	1.847	0.642	83.695	12.339	0.827	0.023	0.041	0.002	0.003	0.000	0.000	0.089
12/08/2025	1092.850	1.137	1.819	0.642	83.699	12.355	0.831	0.023	0.041	0.002	0.002	0.000	0.000	0.090
12/07/2025	1093.252	1.139	1.812	0.643	83.668	12.383	0.839	0.023	0.042	0.002	0.003	0.000	0.000	0.090
12/06/2025	1093.344	1.135	1.854	0.643	83.576	12.429	0.846	0.023	0.043	0.002	0.003	0.000	0.000	0.089
12/05/2025	1093.853	1.136	1.862	0.643	83.501	12.489	0.853	0.023	0.043	0.002	0.003	0.000	0.000	0.087
12/04/2025	1094.421	1.138	1.851	0.644	83.445	12.540	0.861	0.024	0.043	0.002	0.003	0.000	0.000	0.094
12/03/2025	1094.230	1.127	1.932	0.644	83.316	12.596	0.864	0.024	0.044	0.002	0.003	0.000	0.000	0.092
12/02/2025	1092.671	1.097	2.145	0.645	83.101	12.631	0.865	0.024	0.044	0.002	0.003	0.000	0.000	0.088
12/01/2025	1095.009	1.135	1.901	0.645	83.271	12.660	0.867	0.024	0.044	0.003	0.003	0.000	0.000	0.093
11/30/2025	1094.057	1.111	2.041	0.645	83.135	12.678	0.871	0.024	0.045	0.003	0.003	0.000	0.000	0.090
11/29/2025	1096.097	1.148	1.831	0.645	83.269	12.708	0.875	0.024	0.045	0.003	0.003	0.000	0.000	0.094
11/28/2025	1096.111	1.148	1.855	0.645	83.217	12.732	0.878	0.025	0.045	0.003	0.003	0.000	0.000	0.094
11/27/2025	1096.216	1.149	1.853	0.645	83.214	12.738	0.879	0.025	0.046	0.003	0.003	0.000	0.000	0.090
11/26/2025	1095.674	1.147	1.876	0.645	83.238	12.701	0.874	0.025	0.046	0.003	0.003	0.000	0.000	0.088
11/25/2025	1093.452	1.120	2.076	0.645	83.114	12.650	0.871	0.025	0.047	0.003	0.003	0.000	0.000	0.092
11/24/2025	1094.285	1.161	1.887	0.644	83.332	12.581	0.863	0.025	0.047	0.003	0.003	0.000	0.000	0.098
11/23/2025	1092.442	1.147	2.012	0.644	83.311	12.500	0.855	0.025	0.048	0.003	0.003	0.000	0.000	0.096
11/22/2025	1093.116	1.182	1.834	0.643	83.535	12.430	0.840	0.025	0.049	0.003	0.003	0.000	0.000	0.101
11/21/2025	1092.849	1.178	1.830	0.643	83.574	12.406	0.831	0.025	0.048	0.003	0.003	0.000	0.000	0.103
11/20/2025	1092.667	1.173	1.857	0.643	83.550	12.429	0.823	0.024	0.046	0.003	0.003	0.000	0.000	0.092
11/19/2025	1092.642	1.175	1.909	0.644	83.431	12.507	0.821	0.023	0.043	0.002	0.002	0.000	0.000	0.087
11/18/2025	1092.194	1.175	2.021	0.645	83.225	12.610	0.820	0.022	0.041	0.002	0.002	0.000	0.000	0.082
11/17/2025	1089.509	1.131	2.243	0.645	83.168	12.500	0.815	0.022	0.041	0.002	0.002	0.000	0.000	0.077
11/16/2025	1092.052	1.169	1.894	0.643	83.570	12.406	0.819	0.022	0.041	0.002	0.002	0.000	0.000	0.074
11/15/2025	1092.312	1.161	1.858	0.643	83.727	12.334	0.823	0.022	0.041	0.002	0.002	0.000	0.000	0.030
11/14/2025	1092.111	1.151	1.829	0.642	83.831	12.256	0.824	0.023	0.042	0.002	0.002	0.000	0.000	0.038
11/13/2025	1092.060	1.140	1.804	0.642	83.869	12.202	0.834	0.024	0.045	0.002	0.003	0.000	0.000	0.077
11/12/2025	1092.973	1.144	1.818	0.642	83.712	12.339	0.842	0.023	0.043	0.002	0.002	0.000	0.000	0.076
11/11/2025	1096.190	1.146	1.840	0.645	83.284	12.712	0.877	0.024	0.043	0.002	0.002	0.000	0.000	0.069
11/10/2025	1096.789	1.150	1.882	0.646	83.147	12.786	0.899	0.025	0.046	0.002	0.002	0.000	0.000	0.060
11/09/2025	1097.690	1.142	1.948	0.647	82.991	12.890	0.922	0.027	0.049	0.003	0.003	0.000	0.000	0.026
11/08/2025	1097.710	1.108	2.175	0.649	82.645	13.016	0.972	0.028	0.050	0.003	0.003	0.000	0.000	0.000
11/07/2025	1099.271	1.173	1.852	0.647	83.031	12.895	0.971	0.026	0.047	0.002	0.002	0.000	0.000	0.000
11/06/2025	1098.552	1.163	1.844	0.647	83.155	12.796	0.968	0.025	0.045	0.002	0.002	0.000	0.000	0.000
11/05/2025	1098.731	1.161	1.848	0.647	83.163	12.750	1.002	0.026	0.046	0.002	0.002	0.000	0.000	0.000
11/04/2025	1099.330	1.161	1.853	0.647	83.126	12.735	1.043	0.028	0.050	0.002	0.002	0.000	0.000	0.000
11/03/2025	1099.401	1.165	1.861	0.647	83.106	12.728	1.055	0.029	0.051	0.003	0.003	0.000	0.000	0.000
11/02/2025	1097.668	1.162	1.869	0.646	83.271	12.607	1.008	0.027	0.051	0.002	0.003	0.000	0.000	0.000
11/01/2025	1093.726	1.156	1.856	0.644	83.701	12.309	0.910	0.023	0.041	0.002	0.002	0.000	0.000	0.000
10/31/2025	1091.855	1.136	1.856	0.642	83.951	12.115	0.878	0.022	0.038	0.002	0.002	0.000	0.000	0.000
10/30/2025	1090.782	1.109	1.894	0.641	84.114	11.894	0.920	0.023	0.041	0.002	0.002	0.000	0.000	0.000
10/29/2025	1088.005	1.071	2.092	0.641	84.112	11.728	0.926	0.024	0.042	0.002	0.002	0.000	0.000	0.000
10/28/2025	1092.354	1.126	1.833	0.642	84.076	11.918	0.970	0.026	0.046	0.002	0.002	0.000	0.000	0.000
10/27/2025	1092.270	1.134	1.866	0.642	83.977	11.996	0.952	0.026	0.046	0.002	0.002	0.000	0.000	0.000
10/26/2025	1090.713	1.123	1.927	0.642	83.960	12.054	0.867	0.022	0.041	0.002	0.002	0.000	0.000	0.000
10/25/2025	1086.459	1.092	2.184	0.641	83.936	11.899	0.828	0.020	0.037	0.002	0.002	0.000	0.000	0.000
10/24/2025	1087.052	1.150	1.843	0.639	84.496	11.640	0.814	0.019	0.034	0.002	0.002	0.000	0.000	0.000
10/23/2025	1088.496	1.163	1.859	0.640	84.248	11.853	0.820	0.019	0.034	0.002	0.002	0.000	0.000	0.000
10/22/2025	1090.381	1.170	1.890	0.642	83.926	12.124	0.830	0.020	0.035	0.002	0.002	0.000	0.000	0.000
10/21/2025	1089.215	1.157	1.931	0.642	83.999	12.039	0.810	0.020	0.037	0.002	0.003	0.000	0.000	0.002
10/20/2025	1086.230	1.107	2.077	0.640	84.124	11.797	0.800	0.021	0.041	0.003	0.003	0.001	0.001	0.026
10/19/2025	1080.417	1.080	1.788	0.633	85.526	10.769	0.717	0.022	0.045	0.004	0.005	0.001	0.001	0.042
10/18/2025	1069.917	1.024	1.718	0.625	87.016	9.548	0.578	0.019	0.039	0.004	0.004	0.001	0.001	0.048
10/17/2025	1077.851	1.116	1.895	0.633	85.338	10.831	0.656	0.020	0.038	0.004	0.004	0.001	0.001	0.097
10/16/2025	1088.120	1.188	2.278	0.645	83.053	12.490	0.804	0.022	0.041	0.003	0.003	0.000	0.000	0.119
10/15/2025	1091.409	1.225	2.006	0.645	83.203	12.481	0.870	0.024	0.044	0.003	0.003	0.000	0.000	0.141
10/14/2025	1092.330	1.227	2.016	0.645	83.017	12.645	0.867	0.023	0.044	0.002	0.003	0.000	0.000	0.156