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Gas Quality / Gas Quality By Date

Date Requested: Jan 21 2026 2:52 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


01/21/2026	1038.749	0.725	1.331	0.596	92.417	5.209	0.274	0.011	0.020	0.003	0.003	0.003	0.003
01/20/2026	1038.749	0.725	1.331	0.596	92.417	5.209	0.274	0.011	0.020	0.003	0.003	0.003	0.003
01/19/2026	1040.287	0.750	1.313	0.597	92.216	5.383	0.294	0.012	0.022	0.003	0.003	0.002	0.002
01/18/2026	1039.285	0.782	1.328	0.597	92.267	5.265	0.308	0.014	0.025	0.004	0.004	0.002	0.002
01/17/2026	1041.075	0.830	1.286	0.599	92.015	5.513	0.306	0.014	0.024	0.004	0.004	0.002	0.002
01/16/2026	1042.050	0.797	1.260	0.599	92.054	5.511	0.323	0.015	0.027	0.004	0.004	0.002	0.002
01/15/2026	1044.050	0.846	1.181	0.600	91.918	5.640	0.350	0.017	0.034	0.005	0.006	0.002	0.002
01/14/2026	1040.767	0.767	1.316	0.598	92.138	5.421	0.306	0.014	0.026	0.004	0.004	0.002	0.002
01/13/2026	1038.921	0.756	1.346	0.597	92.355	5.178	0.301	0.016	0.031	0.005	0.006	0.002	0.002
01/12/2026	1043.662	0.773	1.184	0.598	92.125	5.510	0.340	0.018	0.033	0.006	0.006	0.003	0.003
01/11/2026	1046.649	0.856	1.111	0.601	91.757	5.831	0.371	0.019	0.036	0.006	0.006	0.003	0.003
01/10/2026	1050.024	0.920	0.931	0.602	91.568	6.142	0.375	0.018	0.032	0.005	0.005	0.002	0.002
01/09/2026	1046.511	0.846	1.106	0.601	91.812	5.789	0.374	0.019	0.036	0.006	0.006	0.003	0.003
01/08/2026	1046.381	0.851	1.115	0.601	91.847	5.715	0.383	0.022	0.044	0.008	0.008	0.003	0.003
01/07/2026	1045.494	0.820	1.152	0.600	91.943	5.619	0.378	0.022	0.043	0.008	0.008	0.004	0.004
01/06/2026	1044.706	0.845	1.167	0.600	91.940	5.584	0.378	0.022	0.043	0.007	0.008	0.003	0.003
01/05/2026	1040.968	0.807	1.339	0.599	92.048	5.392	0.344	0.018	0.034	0.006	0.006	0.003	0.003
01/04/2026	1047.752	0.946	1.117	0.603	91.418	6.052	0.389	0.020	0.038	0.007	0.007	0.003	0.003
01/03/2026	1045.512	0.874	1.276	0.602	91.489	5.913	0.370	0.019	0.038	0.007	0.007	0.003	0.003
01/02/2026	1051.486	1.019	1.053	0.606	91.001	6.409	0.414	0.025	0.052	0.009	0.010	0.004	0.004
01/01/2026	1038.779	0.700	1.591	0.598	91.952	5.373	0.323	0.016	0.030	0.005	0.005	0.003	0.003
12/31/2025	1037.091	0.624	1.683	0.597	92.157	5.140	0.328	0.017	0.034	0.006	0.006	0.003	0.003
12/30/2025	1041.520	0.723	1.566	0.600	91.689	5.571	0.372	0.020	0.040	0.007	0.007	0.003	0.003
12/29/2025	1041.667	0.785	1.516	0.601	91.636	5.611	0.377	0.020	0.038	0.007	0.007	0.002	0.002
12/28/2025	1040.640	0.750	1.491	0.599	91.885	5.444	0.358	0.019	0.037	0.006	0.007	0.002	0.002
12/27/2025	1045.840	0.887	1.338	0.603	91.339	5.932	0.417	0.023	0.045	0.007	0.008	0.003	0.003
12/26/2025	1044.928	0.876	1.285	0.602	91.552	5.832	0.374	0.021	0.040	0.007	0.007	0.003	0.003
12/25/2025	1046.368	0.875	1.248	0.603	91.479	5.923	0.388	0.022	0.043	0.008	0.008	0.003	0.003
12/24/2025	1037.065	0.709	1.620	0.598	92.145	5.107	0.341	0.019	0.038	0.007	0.007	0.003	0.003
12/23/2025	1036.157	0.647	1.729	0.597	92.187	5.008	0.340	0.021	0.043	0.008	0.009	0.004	0.004
12/22/2025	1042.380	0.772	1.588	0.602	91.450	5.723	0.377	0.022	0.044	0.008	0.009	0.004	0.004
12/21/2025	1041.170	0.740	1.626	0.601	91.516	5.690	0.362	0.018	0.033	0.005	0.005	0.002	0.002
12/20/2025	1050.137	0.911	1.284	0.606	90.813	6.515	0.399	0.020	0.039	0.007	0.007	0.003	0.003
12/19/2025	1053.836	0.987	1.152	0.608	90.491	6.855	0.438	0.021	0.038	0.006	0.006	0.003	0.003
12/18/2025	1049.153	0.875	1.374	0.606	90.890	6.328	0.438	0.024	0.046	0.008	0.008	0.004	0.004
12/17/2025	1046.770	0.902	1.445	0.605	90.930	6.221	0.421	0.021	0.040	0.006	0.007	0.003	0.003
12/16/2025	1043.871	0.820	1.621	0.604	91.092	5.964	0.415	0.022	0.044	0.007	0.008	0.003	0.003
12/15/2025	1045.417	0.840	1.496	0.604	91.115	6.066	0.397	0.022	0.043	0.007	0.008	0.003	0.003
12/14/2025	1044.807	0.834	1.506	0.604	91.122	6.095	0.374	0.019	0.034	0.006	0.006	0.002	0.002
12/13/2025	1045.109	0.828	1.574	0.604	90.982	6.145	0.387	0.022	0.042	0.007	0.007	0.003	0.003
12/12/2025	1052.200	0.940	1.375	0.609	90.389	6.725	0.469	0.026	0.051	0.009	0.009	0.004	0.004
12/11/2025	1048.475	0.866	1.485	0.606	90.789	6.297	0.456	0.027	0.053	0.009	0.010	0.004	0.004
12/10/2025	1047.868	0.866	1.476	0.606	90.865	6.240	0.455	0.026	0.050	0.008	0.009	0.003	0.003
12/09/2025	1050.150	0.890	1.443	0.607	90.589	6.541	0.429	0.026	0.054	0.009	0.010	0.004	0.004
12/08/2025	1052.764	1.003	1.284	0.609	90.284	6.946	0.390	0.023	0.046	0.008	0.009	0.004	0.004
12/07/2025	1048.131	0.952	1.334	0.606	90.918	6.277	0.426	0.024	0.048	0.007	0.008	0.003	0.003
12/06/2025	1046.579	0.889	1.526	0.606	90.837	6.223	0.424	0.025	0.051	0.008	0.009	0.004	0.004
12/05/2025	1063.544	1.320	0.863	0.617	89.148	8.124	0.473	0.021	0.038	0.005	0.005	0.002	0.002
12/04/2025	1042.963	0.908	1.361	0.602	91.477	5.857	0.334	0.016	0.031	0.005	0.005	0.003	0.003
12/03/2025	1034.304	0.726	1.611	0.596	92.389	4.925	0.291	0.015	0.028	0.005	0.005	0.002	0.002
12/02/2025	1038.674	0.849	1.493	0.600	91.918	5.308	0.353	0.020	0.040	0.007	0.007	0.003	0.003
12/01/2025	1041.634	0.928	1.397	0.602	91.665	5.516	0.393	0.025	0.051	0.009	0.010	0.003	0.003
11/30/2025	1043.052	0.912	1.365	0.602	91.597	5.625	0.398	0.025	0.052	0.009	0.010	0.004	0.004
11/29/2025	1054.354	1.162	0.957	0.609	90.555	6.773	0.445	0.027	0.055	0.009	0.010	0.004	0.004
11/28/2025	1048.635	0.941	1.239	0.605	91.133	6.162	0.416	0.027	0.055	0.010	0.010	0.004	0.004
11/27/2025	1060.051	1.223	0.763	0.612	90.089	7.383	0.446	0.025	0.050	0.008	0.008	0.003	0.003
11/26/2025	1051.989	1.032	1.238	0.609	90.545	6.611	0.455	0.029	0.061	0.010	0.011	0.004	0.004
11/25/2025	1050.853	0.982	1.332	0.608	90.582	6.532	0.457	0.028	0.060	0.010	0.010	0.004	0.004
11/24/2025	1053.083	1.006	1.265	0.609	90.471	6.631	0.492	0.033	0.070	0.012	0.013	0.004	0.004
11/23/2025	1052.849	1.025	1.163	0.608	90.488	6.840	0.397	0.022	0.045	0.007	0.008	0.002	0.002
11/22/2025	1059.772	1.180	1.157	0.615	89.350	7.744	0.466	0.026	0.055	0.009	0.009	0.003	0.003
11/21/2025	1059.048	1.172	1.220	0.615	89.385	7.607	0.494	0.031	0.066	0.010	0.011	0.003	0.003
11/20/2025	1046.546	0.904	1.590	0.607	90.652	6.333	0.418	0.026	0.054	0.009	0.009	0.003	0.003
11/19/2025	1059.537	1.171	1.164	0.615	89.528	7.457	0.545	0.034	0.072	0.011	0.011	0.003	0.003
11/18/2025	1072.716	1.478	0.602	0.622	88.373	8.896	0.522	0.032	0.068	0.011	0.012	0.003	0.003
11/17/2025	1062.731	1.243	0.961	0.616	89.334	7.857	0.481	0.030	0.065	0.010	0.012	0.004	0.004
11/16/2025	1069.617	1.333	0.776	0.620	88.731	8.496	0.532	0.032	0.069	0.011	0.012	0.004	0.004
11/15/2025	1070.776	1.321	0.672	0.619	88.985	8.273	0.575	0.040	0.090	0.015	0.017	0.005	0.005
11/14/2025	1066.075	1.365	0.556	0.616	89.701	7.682	0.533	0.038	0.085	0.015	0.016	0.005	0.005
11/13/2025	1054.223	1.059	1.082	0.609	90.801	6.324	0.545	0.043	0.098	0.017	0.019	0.005	0.005
11/12/2025	1054.961	1.045	1.086	0.609	90.727	6.398	0.561	0.043	0.095	0.016	0.018	0.005	0.005
11/11/2025	1065.243	1.247	0.732	0.615	89.821	7.402	0.602	0.046	0.103	0.018	0.020	0.006	0.006
11/10/2025	1058.818	1.111	1.024	0.612	90.227	6.890	0.563	0.043	0.096	0.017	0.019	0.005	0.005
11/09/2025	1043.721	0.842	1.432	0.602	91.512	5.722	0.385	0.026	0.056	0.009	0.010	0.003	0.003
11/08/2025	1041.500	0.851	1.407	0.601	91.766	5.528	0.364	0.021	0.043	0.007	0.008	0.003	0.003
11/07/2025	1047.323	0.980	1.315	0.606	91.111	6.007	0.464	0.030	0.063	0.010	0.012	0.004	0.004
11/06/2025	1031.681	0.691	1.799	0.596	92.462	4.650	0.319	0.019	0.039	0.007	0.008	0.004	0.004
11/05/2025	1030.179	0.621	1.828	0.594	92.739	4.432	0.302	0.017	0.037	0.007	0.008	0.005	0.005
11/04/2025	1030.940	0.589	1.871	0.595	92.636	4.507	0.310	0.019	0.042	0.008	0.009	0.005	0.005
11/03/2025	1034.486	0.653	1.839	0.598	92.133	4.946	0.338	0.020	0.044	0.008	0.009	0.005	0.005
11/02/2025	1032.684	0.638	1.840	0.596	92.359	4.767	0.312	0.019	0.042	0.007	0.008	0.004	0.004
11/01/2025	1030.103	0.618	1.913	0.595	92.507	4.607	0.286	0.017	0.035	0.006	0.006	0.003	0.003
10/31/2025	1032.319	0.669	1.805	0.596	92.345	4.822	0.297	0.016	0.031	0.005	0.006	0.002	0.002
10/30/2025	1042.921	0.884	1.501	0.603	91.335	5.788	0.399	0.024	0.047	0.008	0.008	0.003	0.003
10/29/2025	1037.514	0.783	1.740	0.601	91.699	5.313	0.375	0.022	0.046	0.008	0.009	0.003	0.003
10/28/2025	1035.053	0.698	1.827	0.599	92.025	4.987	0.364	0.023	0.050	0.009	0.010	0.004	0.004
10/27/2025	1023.841	0.436	2.014	0.589	93.517	3.690	0.264	0.017	0.038	0.007	0.008	0.005	0.005
10/26/2025	1023.998	0.450	2.055	0.590	93.334	3.841	0.254	0.015	0.032	0.006	0.007	0.004	0.004
10/25/2025	1023.725	0.441	2.075	0.590	93.342	3.818	0.256	0.015	0.032	0.006	0.007	0.004	0.004
10/24/2025	1022.168	0.434	2.170	0.590	93.337	3.734	0.257	0.016	0.033	0.006	0.007	0.003	0.003
10/23/2025	1027.865	0.583	1.907	0.593	92.887	4.275	0.275	0.017	0.037	0.006	0.007	0.002	0.002
10/22/2025	1038.542	0.771	1.632	0.600	91.899	5.205	0.380	0.026	0.057	0.010	0.012	0.004	0.004
10/21/2025	1037.919	0.756	1.664	0.600	91.919	5.188	0.362	0.025	0.056	0.010	0.012	0.004	0.004
10/20/2025	1036.312	0.699	1.710	0.598	92.188	4.912	0.368	0.028	0.061	0.011	0.013	0.004	0.004