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Gas Quality / Gas Quality By Date

Date Requested: Mar 24 2026 10:38 AM

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


03/24/2026	1052.220	0.889	1.068	0.605	90.877	6.814	0.342	0.004	0.005	0.000	0.000	0.000	0.000
03/23/2026	1051.890	0.854	1.135	0.604	90.856	6.792	0.353	0.003	0.004	0.000	0.000	0.001	0.001
03/22/2026	1052.000	0.844	1.062	0.604	91.092	6.592	0.393	0.006	0.009	0.000	0.000	0.001	0.001
03/21/2026	1051.083	0.863	1.088	0.604	91.114	6.515	0.404	0.006	0.008	0.000	0.000	0.001	0.001
03/20/2026	1049.052	0.875	1.089	0.602	91.201	6.549	0.280	0.003	0.003	0.000	0.000	0.000	0.000
03/19/2026	1048.532	0.864	1.070	0.602	91.344	6.432	0.284	0.003	0.003	0.000	0.000	0.000	0.000
03/18/2026	1049.384	0.871	1.070	0.602	91.195	6.596	0.263	0.003	0.003	0.000	0.000	0.000	0.000
03/17/2026	1047.057	0.907	1.054	0.601	91.428	6.367	0.241	0.002	0.002	0.000	0.000	0.000	0.000
03/16/2026	1046.015	0.875	1.079	0.600	91.570	6.238	0.234	0.001	0.001	0.000	0.000	0.000	0.000
03/15/2026	1045.307	0.843	1.090	0.600	91.704	6.136	0.224	0.002	0.001	0.000	0.000	0.000	0.000
03/14/2026	1047.552	0.887	1.060	0.601	91.402	6.400	0.247	0.002	0.002	0.000	0.000	0.000	0.000
03/13/2026	1046.352	0.885	1.080	0.601	91.507	6.285	0.239	0.002	0.002	0.000	0.000	0.000	0.000
03/12/2026	1047.808	0.882	1.101	0.602	91.286	6.478	0.249	0.002	0.002	0.000	0.000	0.000	0.000
03/11/2026	1048.971	0.865	1.118	0.603	91.174	6.551	0.287	0.003	0.002	0.000	0.000	0.000	0.000
03/10/2026	1050.719	0.859	1.110	0.604	91.018	6.683	0.324	0.003	0.003	0.000	0.000	0.000	0.000
03/09/2026	1048.530	0.847	1.108	0.602	91.317	6.414	0.306	0.003	0.003	0.000	0.000	0.000	0.000
03/08/2026	1046.911	0.850	1.130	0.601	91.431	6.317	0.267	0.003	0.002	0.000	0.000	0.000	0.000
03/07/2026	1046.509	0.835	1.199	0.601	91.393	6.264	0.302	0.003	0.003	0.000	0.000	0.000	0.000
03/06/2026	1043.933	0.834	1.203	0.600	91.677	6.023	0.259	0.002	0.002	0.000	0.000	0.000	0.000
03/05/2026	1042.595	0.830	1.195	0.599	91.860	5.869	0.242	0.002	0.002	0.000	0.000	0.000	0.000
03/04/2026	1041.088	0.843	1.199	0.598	91.998	5.733	0.223	0.002	0.002	0.000	0.000	0.000	0.000
03/03/2026	1046.230	0.854	1.167	0.601	91.423	6.281	0.270	0.002	0.002	0.000	0.000	0.000	0.000
03/02/2026	1041.372	0.873	1.161	0.598	91.964	5.792	0.207	0.002	0.001	0.000	0.000	0.000	0.000
03/01/2026	1044.869	0.858	1.160	0.600	91.577	6.162	0.239	0.002	0.002	0.000	0.000	0.000	0.000
02/28/2026	1047.791	0.859	1.151	0.602	91.256	6.451	0.278	0.002	0.002	0.000	0.000	0.000	0.000
02/27/2026	1058.924	0.854	1.103	0.609	90.412	6.890	0.707	0.014	0.018	0.000	0.000	0.000	0.000
02/26/2026	1052.333	0.888	1.113	0.605	90.809	6.788	0.391	0.005	0.005	0.000	0.000	0.000	0.000
02/25/2026	1045.940	0.862	1.180	0.601	91.422	6.252	0.278	0.002	0.002	0.000	0.000	0.000	0.000
02/24/2026	1045.247	0.873	1.171	0.601	91.474	6.235	0.244	0.002	0.002	0.000	0.000	0.000	0.000
02/23/2026	1047.378	0.868	1.170	0.602	91.234	6.458	0.267	0.002	0.002	0.000	0.000	0.000	0.000
02/22/2026	1049.496	0.848	1.106	0.603	91.191	6.553	0.293	0.003	0.004	0.000	0.000	0.001	0.001
02/21/2026	1046.081	0.901	1.101	0.601	91.462	6.288	0.244	0.002	0.002	0.000	0.000	0.000	0.000
02/20/2026	1047.246	0.863	1.151	0.602	91.527	6.073	0.323	0.012	0.028	0.004	0.004	0.007	0.007
02/19/2026	1046.268	0.828	1.178	0.601	91.489	6.207	0.290	0.003	0.004	0.000	0.000	0.001	0.001
02/18/2026	1041.917	0.819	1.248	0.599	91.849	5.839	0.241	0.002	0.002	0.000	0.000	0.000	0.000
02/17/2026	1046.305	0.873	1.140	0.601	91.427	6.293	0.262	0.002	0.002	0.000	0.000	0.000	0.000
02/16/2026	1044.182	0.858	1.156	0.600	91.677	6.066	0.239	0.002	0.002	0.000	0.000	0.000	0.000
02/15/2026	1047.547	0.865	1.157	0.602	91.254	6.450	0.270	0.002	0.002	0.000	0.000	0.000	0.000
02/14/2026	1045.108	0.887	1.142	0.601	91.507	6.236	0.225	0.002	0.002	0.000	0.000	0.000	0.000
02/13/2026	1042.938	0.866	1.160	0.599	91.799	5.944	0.227	0.002	0.002	0.000	0.000	0.000	0.000
02/12/2026	1040.842	0.859	1.177	0.598	92.031	5.718	0.211	0.002	0.002	0.000	0.000	0.000	0.000
02/11/2026	1042.352	0.864	1.178	0.599	91.839	5.888	0.228	0.002	0.002	0.000	0.000	0.000	0.000
02/10/2026	1044.667	0.870	1.156	0.600	91.617	6.083	0.269	0.002	0.002	0.000	0.000	0.000	0.000
02/09/2026	1045.691	0.830	1.150	0.600	91.601	6.135	0.279	0.002	0.002	0.000	0.000	0.000	0.000
02/08/2026	1044.903	0.837	1.158	0.600	91.661	6.070	0.269	0.003	0.003	0.000	0.000	0.000	0.000
02/07/2026	1044.580	0.865	1.155	0.600	91.670	6.024	0.271	0.005	0.009	0.001	0.001	0.000	0.000
02/06/2026	1053.594	0.854	1.146	0.606	90.846	6.565	0.563	0.010	0.014	0.001	0.000	0.000	0.000
02/05/2026	1043.594	0.893	1.152	0.600	91.653	6.089	0.211	0.002	0.001	0.000	0.000	0.000	0.000
02/04/2026	1046.812	0.894	1.073	0.601	91.474	6.298	0.250	0.003	0.005	0.001	0.001	0.001	0.001
02/03/2026	1045.490	0.855	1.062	0.600	91.766	6.055	0.248	0.004	0.008	0.001	0.001	0.000	0.000
02/02/2026	1044.096	0.854	1.066	0.599	91.906	5.936	0.229	0.003	0.005	0.000	0.000	0.000	0.000
02/01/2026	1042.763	0.898	1.092	0.599	91.894	5.898	0.214	0.002	0.002	0.000	0.000	0.000	0.000
01/31/2026	1043.590	0.900	1.105	0.600	91.781	5.970	0.234	0.004	0.006	0.000	0.000	0.000	0.000
01/30/2026	1043.568	0.887	1.153	0.600	91.829	5.784	0.321	0.007	0.012	0.001	0.002	0.002	0.002
01/29/2026	1084.745	0.852	1.106	0.625	88.328	8.001	1.489	0.050	0.099	0.015	0.017	0.022	0.022
01/28/2026	1087.300	0.841	1.116	0.627	88.206	7.946	1.629	0.061	0.121	0.016	0.018	0.022	0.022
01/27/2026	1112.857	0.722	1.211	0.642	86.955	7.556	2.943	0.169	0.335	0.032	0.030	0.024	0.024
01/26/2026	1127.424	0.740	1.185	0.652	85.920	7.993	3.343	0.215	0.455	0.050	0.048	0.026	0.026
01/25/2026	1140.770	0.769	1.122	0.660	84.937	8.519	3.666	0.254	0.557	0.064	0.060	0.025	0.025
01/24/2026	1150.125	0.807	1.007	0.665	84.381	8.912	3.681	0.301	0.703	0.086	0.072	0.025	0.025
01/23/2026	1048.393	0.854	1.068	0.602	91.392	6.395	0.285	0.003	0.003	0.000	0.000	0.000	0.000
01/22/2026	1044.843	0.888	1.087	0.600	91.691	6.084	0.246	0.002	0.002	0.000	0.000	0.000	0.000
01/21/2026	1043.036	0.886	1.081	0.599	91.903	5.921	0.206	0.002	0.002	0.000	0.000	0.000	0.000
01/20/2026	1046.414	0.877	1.064	0.601	91.532	6.309	0.215	0.002	0.002	0.000	0.000	0.000	0.000
01/19/2026	1053.462	0.885	1.056	0.605	90.658	7.136	0.260	0.002	0.002	0.000	0.000	0.000	0.000
01/18/2026	1056.548	0.883	1.056	0.607	90.636	6.908	0.423	0.020	0.049	0.008	0.009	0.004	0.004
01/17/2026	1049.872	0.895	1.075	0.603	91.046	6.732	0.248	0.002	0.002	0.000	0.000	0.000	0.000
01/16/2026	1052.037	0.897	1.066	0.604	90.832	6.907	0.294	0.003	0.003	0.000	0.000	0.000	0.000
01/15/2026	1052.195	0.893	1.052	0.604	90.847	6.912	0.290	0.003	0.003	0.000	0.000	0.000	0.000
01/14/2026	1047.187	0.857	1.079	0.601	91.466	6.354	0.239	0.002	0.002	0.000	0.000	0.000	0.000
01/13/2026	1048.241	0.862	1.059	0.601	91.364	6.473	0.238	0.002	0.002	0.000	0.000	0.000	0.000
01/12/2026	1044.132	0.857	1.063	0.599	91.874	5.991	0.212	0.002	0.002	0.000	0.000	0.000	0.000
01/11/2026	1043.720	0.873	1.071	0.599	91.873	5.968	0.211	0.002	0.002	0.000	0.000	0.000	0.000
01/10/2026	1076.200	0.853	1.025	0.619	89.357	7.235	1.333	0.058	0.099	0.006	0.004	0.014	0.014
01/09/2026	1070.583	0.861	1.026	0.615	89.550	7.490	0.947	0.032	0.055	0.004	0.004	0.014	0.014
01/08/2026	1074.681	0.861	1.022	0.618	89.091	7.891	1.000	0.035	0.064	0.005	0.005	0.013	0.013
01/07/2026	1061.046	0.883	1.042	0.610	90.028	7.556	0.448	0.008	0.013	0.002	0.002	0.010	0.010
01/06/2026	1062.360	0.871	1.053	0.611	89.950	7.532	0.545	0.010	0.016	0.002	0.002	0.008	0.008
01/05/2026	1053.645	0.881	1.079	0.605	90.678	7.027	0.325	0.003	0.004	0.000	0.000	0.001	0.001
01/04/2026	1056.384	0.878	1.092	0.607	90.407	7.207	0.391	0.006	0.009	0.001	0.001	0.004	0.004
01/03/2026	1056.645	0.878	1.089	0.607	90.392	7.181	0.443	0.006	0.008	0.000	0.000	0.001	0.001
01/02/2026	1054.250	0.880	1.051	0.605	90.671	7.049	0.337	0.004	0.006	0.000	0.000	0.000	0.000
01/01/2026	1055.672	0.886	1.051	0.606	90.498	7.189	0.363	0.005	0.006	0.000	0.000	0.000	0.000
12/31/2025	1059.260	0.880	1.033	0.608	90.165	7.477	0.427	0.006	0.009	0.000	0.000	0.001	0.001
12/30/2025	1060.164	0.879	1.044	0.609	90.188	7.346	0.481	0.014	0.030	0.004	0.004	0.004	0.004
12/29/2025	1055.784	0.883	1.052	0.607	90.486	7.208	0.359	0.004	0.006	0.000	0.000	0.000	0.000
12/28/2025	1057.469	0.877	1.052	0.607	90.342	7.295	0.422	0.005	0.006	0.000	0.000	0.000	0.000
12/27/2025	1054.555	0.889	1.045	0.606	90.636	7.070	0.351	0.004	0.005	0.000	0.000	0.000	0.000
12/26/2025	1055.143	0.883	1.056	0.606	90.553	7.142	0.357	0.004	0.005	0.000	0.000	0.000	0.000
12/25/2025	1053.777	0.875	1.068	0.605	90.688	7.036	0.326	0.004	0.004	0.000	0.000	0.000	0.000
12/24/2025	1056.569	0.874	1.103	0.607	90.398	7.165	0.431	0.009	0.014	0.001	0.001	0.002	0.002
12/23/2025	1050.001	0.856	1.148	0.603	91.047	6.611	0.326	0.004	0.005	0.000	0.000	0.001	0.001
12/22/2025	1047.495	0.850	1.162	0.602	91.268	6.460	0.256	0.002	0.002	0.000	0.000	0.000	0.000
12/21/2025	1046.068	0.865	1.170	0.601	91.391	6.322	0.248	0.002	0.002	0.000	0.000	0.000	0.000