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Gas Quality / Gas Quality By Date

Date Requested: Jan 20 2026 8:46 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


01/20/2026	1029.056	0.487	2.030	0.594	92.662	4.466	0.304	0.013	0.025	0.004	0.004	0.002	0.002	0.000
01/19/2026	1027.222	0.454	2.048	0.592	92.890	4.285	0.277	0.012	0.022	0.003	0.004	0.002	0.001	0.000
01/18/2026	1027.909	0.470	2.060	0.593	92.751	4.375	0.296	0.013	0.024	0.004	0.003	0.001	0.001	0.000
01/17/2026	1027.105	0.503	1.963	0.592	92.971	4.250	0.271	0.012	0.021	0.003	0.003	0.001	0.001	0.000
01/16/2026	1024.747	0.459	2.071	0.591	93.119	4.048	0.260	0.012	0.021	0.003	0.003	0.001	0.001	0.000
01/15/2026	1029.842	0.551	1.820	0.593	92.837	4.478	0.271	0.012	0.022	0.004	0.003	0.001	0.001	0.000
01/14/2026	1038.492	0.727	1.475	0.598	92.211	5.187	0.339	0.016	0.031	0.005	0.005	0.002	0.001	0.000
01/13/2026	1036.468	0.690	1.528	0.596	92.393	5.028	0.305	0.015	0.029	0.005	0.005	0.002	0.001	0.000
01/12/2026	1028.128	0.515	1.873	0.592	93.017	4.289	0.259	0.013	0.023	0.004	0.004	0.002	0.001	0.000
01/11/2026	1030.821	0.525	1.823	0.593	92.815	4.485	0.297	0.015	0.027	0.005	0.005	0.002	0.001	0.000
01/10/2026	1036.674	0.645	1.656	0.597	92.239	5.048	0.348	0.017	0.032	0.006	0.006	0.003	0.002	0.000
01/09/2026	1033.829	0.603	1.684	0.595	92.570	4.782	0.307	0.015	0.027	0.005	0.004	0.002	0.001	0.000
01/08/2026	1037.987	0.671	1.621	0.598	92.088	5.198	0.359	0.017	0.031	0.005	0.005	0.002	0.001	0.000
01/07/2026	1035.670	0.637	1.722	0.597	92.244	4.975	0.352	0.019	0.035	0.006	0.006	0.003	0.001	0.000
01/06/2026	1034.633	0.613	1.712	0.596	92.420	4.863	0.330	0.016	0.031	0.005	0.005	0.003	0.001	0.000
01/05/2026	1036.534	0.652	1.670	0.597	92.232	5.012	0.364	0.018	0.035	0.006	0.006	0.003	0.002	0.000
01/04/2026	1031.615	0.605	1.906	0.596	92.362	4.745	0.327	0.015	0.028	0.004	0.004	0.002	0.001	0.000
01/03/2026	1028.859	0.566	2.107	0.595	92.326	4.630	0.319	0.014	0.026	0.004	0.004	0.002	0.001	0.000
01/02/2026	1036.053	0.622	1.928	0.599	91.748	5.273	0.367	0.017	0.031	0.005	0.005	0.002	0.001	0.000
01/01/2026	1040.014	0.695	1.790	0.601	91.441	5.602	0.401	0.020	0.036	0.005	0.005	0.002	0.001	0.000
12/31/2025	1039.611	0.651	1.921	0.602	91.345	5.568	0.438	0.021	0.039	0.006	0.006	0.003	0.002	0.000
12/30/2025	1031.592	0.524	2.092	0.596	92.154	4.820	0.352	0.016	0.030	0.004	0.004	0.002	0.001	0.000
12/29/2025	1035.516	0.583	2.017	0.599	91.718	5.235	0.383	0.018	0.033	0.005	0.005	0.002	0.001	0.000
12/28/2025	1042.418	0.732	1.839	0.604	90.983	5.917	0.456	0.021	0.038	0.005	0.005	0.002	0.001	0.000
12/27/2025	1037.321	0.658	1.921	0.600	91.545	5.418	0.395	0.018	0.033	0.005	0.005	0.002	0.001	0.000
12/26/2025	1039.116	0.693	1.784	0.601	91.574	5.479	0.397	0.020	0.037	0.006	0.006	0.003	0.001	0.000
12/25/2025	1039.064	0.716	1.848	0.602	91.417	5.508	0.436	0.021	0.038	0.005	0.006	0.003	0.001	0.000
12/24/2025	1038.829	0.681	1.936	0.602	91.323	5.559	0.425	0.020	0.038	0.006	0.006	0.003	0.002	0.000
12/23/2025	1041.647	0.753	1.847	0.604	91.024	5.847	0.449	0.022	0.040	0.006	0.006	0.003	0.002	0.000
12/22/2025	1042.192	0.759	1.904	0.605	90.772	6.059	0.434	0.021	0.038	0.005	0.005	0.002	0.001	0.000
12/21/2025	1038.734	0.686	1.974	0.602	91.240	5.594	0.430	0.021	0.039	0.006	0.006	0.003	0.002	0.000
12/20/2025	1033.612	0.587	2.092	0.599	91.774	5.108	0.379	0.017	0.031	0.005	0.004	0.002	0.001	0.000
12/19/2025	1039.468	0.703	1.840	0.602	91.371	5.611	0.407	0.019	0.035	0.006	0.005	0.002	0.001	0.000
12/18/2025	1040.591	0.743	1.829	0.603	91.172	5.764	0.424	0.020	0.035	0.005	0.005	0.002	0.001	0.000
12/17/2025	1054.174	0.926	1.621	0.612	89.659	7.141	0.558	0.026	0.049	0.007	0.007	0.003	0.002	0.000
12/16/2025	1039.782	0.673	2.079	0.604	90.948	5.748	0.469	0.022	0.042	0.006	0.006	0.003	0.002	0.000
12/15/2025	1029.269	0.492	2.267	0.596	92.134	4.695	0.349	0.016	0.031	0.005	0.005	0.002	0.002	0.000
12/14/2025	1032.115	0.544	2.154	0.598	91.911	4.966	0.364	0.017	0.032	0.005	0.005	0.002	0.001	0.000
12/13/2025	1029.408	0.514	2.175	0.596	92.266	4.639	0.344	0.016	0.031	0.005	0.005	0.002	0.001	0.000
12/12/2025	1032.107	0.596	2.120	0.598	91.909	4.928	0.375	0.020	0.038	0.006	0.006	0.002	0.001	0.000
12/11/2025	1040.066	0.735	1.942	0.604	91.099	5.652	0.483	0.024	0.045	0.007	0.006	0.003	0.001	0.001
12/10/2025	1038.026	0.693	1.865	0.601	91.599	5.342	0.409	0.023	0.045	0.008	0.009	0.004	0.003	0.000
12/09/2025	1032.146	0.579	2.124	0.598	92.013	4.756	0.450	0.022	0.041	0.005	0.005	0.002	0.001	0.000
12/08/2025	1029.825	0.563	2.112	0.596	92.282	4.622	0.344	0.019	0.038	0.007	0.007	0.003	0.002	0.000
12/07/2025	1026.733	0.523	2.174	0.594	92.600	4.315	0.316	0.018	0.035	0.006	0.007	0.003	0.002	0.000
12/06/2025	1021.067	0.411	2.305	0.590	93.224	3.727	0.270	0.016	0.031	0.005	0.006	0.003	0.002	0.000
12/05/2025	1022.119	0.454	2.300	0.591	93.015	3.887	0.278	0.017	0.033	0.006	0.006	0.003	0.001	0.000
12/04/2025	1034.837	0.672	2.034	0.600	91.654	5.137	0.419	0.022	0.041	0.006	0.007	0.003	0.002	0.000
12/03/2025	1014.886	0.320	2.483	0.587	93.787	3.126	0.226	0.013	0.027	0.005	0.005	0.003	0.002	0.000
12/02/2025	1011.081	0.261	2.603	0.585	94.082	2.816	0.188	0.011	0.022	0.004	0.005	0.003	0.002	0.000
12/01/2025	1009.488	0.297	2.645	0.585	94.081	2.745	0.187	0.011	0.022	0.004	0.004	0.002	0.001	0.000
11/30/2025	1013.495	0.363	2.467	0.586	93.868	3.032	0.217	0.013	0.026	0.005	0.005	0.002	0.001	0.000
11/29/2025	1018.457	0.436	2.318	0.589	93.442	3.496	0.250	0.015	0.029	0.005	0.005	0.002	0.001	0.000
11/28/2025	1032.334	0.664	1.982	0.598	92.076	4.808	0.385	0.022	0.043	0.007	0.007	0.003	0.002	0.000
11/27/2025	1033.949	0.672	1.849	0.598	92.152	4.872	0.369	0.022	0.044	0.007	0.008	0.004	0.002	0.000
11/26/2025	1028.824	0.608	2.012	0.595	92.479	4.523	0.315	0.017	0.033	0.006	0.005	0.002	0.001	0.000
11/25/2025	1026.014	0.510	2.143	0.593	92.778	4.186	0.316	0.017	0.034	0.005	0.006	0.002	0.001	0.000
11/24/2025	1037.796	0.519	2.317	0.603	91.162	5.374	0.490	0.033	0.065	0.012	0.014	0.007	0.005	0.000
11/23/2025	1037.049	0.697	1.811	0.600	91.797	5.233	0.367	0.023	0.048	0.008	0.009	0.004	0.002	0.000
11/22/2025	1029.500	0.505	2.169	0.596	92.317	4.594	0.337	0.019	0.039	0.006	0.007	0.003	0.001	0.000
11/21/2025	1025.611	0.495	2.158	0.593	92.809	4.182	0.285	0.017	0.036	0.006	0.007	0.003	0.001	0.000
11/20/2025	1021.158	0.401	2.278	0.590	93.208	3.839	0.229	0.011	0.024	0.004	0.004	0.001	0.000	0.000
11/19/2025	1027.376	0.547	2.176	0.595	92.397	4.533	0.282	0.016	0.034	0.005	0.006	0.002	0.001	0.000
11/18/2025	1029.425	0.564	2.072	0.595	92.406	4.554	0.327	0.019	0.041	0.006	0.007	0.002	0.001	0.000
11/17/2025	1035.021	0.707	1.907	0.600	91.756	5.201	0.346	0.021	0.044	0.007	0.007	0.003	0.001	0.000
11/16/2025	1029.577	0.617	1.965	0.595	92.420	4.672	0.261	0.016	0.034	0.006	0.006	0.002	0.001	0.000
11/15/2025	1020.003	0.385	2.317	0.589	93.356	3.642	0.239	0.015	0.032	0.005	0.006	0.002	0.001	0.000
11/14/2025	1014.411	0.298	2.434	0.585	93.931	3.106	0.181	0.012	0.025	0.004	0.005	0.002	0.001	0.000
11/13/2025	1013.690	0.253	2.454	0.584	94.101	2.961	0.178	0.012	0.026	0.005	0.005	0.002	0.002	0.000
11/12/2025	1025.491	0.494	2.163	0.593	92.938	3.985	0.315	0.023	0.052	0.009	0.011	0.005	0.003	0.000
11/11/2025	1026.284	0.501	2.078	0.593	93.010	3.979	0.330	0.024	0.052	0.009	0.010	0.004	0.002	0.000
11/10/2025	1029.093	0.539	2.035	0.594	92.656	4.329	0.342	0.024	0.051	0.009	0.009	0.004	0.002	0.000
11/09/2025	1036.596	0.682	1.751	0.599	92.116	4.935	0.391	0.029	0.064	0.012	0.013	0.005	0.002	0.000
11/08/2025	1039.721	0.753	1.592	0.600	91.908	5.239	0.385	0.028	0.063	0.011	0.013	0.005	0.002	0.000
11/07/2025	1026.550	0.504	2.011	0.592	92.986	4.162	0.268	0.017	0.035	0.006	0.007	0.003	0.001	0.000
11/06/2025	1042.347	0.861	1.402	0.601	91.726	5.506	0.399	0.025	0.054	0.009	0.010	0.004	0.002	0.000
11/05/2025	1039.977	0.867	1.557	0.602	91.669	5.403	0.396	0.026	0.054	0.010	0.011	0.005	0.002	0.000
11/04/2025	1037.359	0.857	1.552	0.600	91.945	5.213	0.351	0.020	0.040	0.007	0.008	0.004	0.002	0.000
11/03/2025	1034.820	0.689	1.735	0.597	92.283	4.840	0.352	0.023	0.050	0.009	0.010	0.005	0.002	0.000
11/02/2025	1035.190	0.697	1.808	0.598	92.056	4.974	0.368	0.023	0.049	0.008	0.009	0.004	0.002	0.000
11/01/2025	1035.996	0.710	1.777	0.599	91.975	5.087	0.354	0.023	0.049	0.009	0.010	0.004	0.002	0.000
10/31/2025	1032.927	0.677	1.829	0.597	92.255	4.845	0.307	0.020	0.045	0.007	0.008	0.003	0.002	0.000
10/30/2025	1044.287	0.949	1.400	0.604	91.209	5.987	0.366	0.021	0.044	0.008	0.009	0.004	0.002	0.000
10/29/2025	1041.572	0.853	1.485	0.602	91.603	5.590	0.377	0.023	0.046	0.008	0.009	0.003	0.002	0.000
10/28/2025	1040.498	0.848	1.558	0.602	91.573	5.562	0.371	0.022	0.046	0.008	0.008	0.004	0.002	0.000
10/27/2025	1063.046	1.357	0.717	0.615	89.702	7.549	0.527	0.034	0.075	0.013	0.015	0.007	0.003	0.000
10/26/2025	1055.403	1.115	1.232	0.612	90.074	6.912	0.509	0.035	0.081	0.014	0.016	0.007	0.003	0.000
10/25/2025	1038.344	0.723	1.711	0.600	91.942	5.077	0.414	0.028	0.066	0.011	0.013	0.006	0.004	0.000
10/24/2025	1027.390	0.528	1.947	0.592	93.035	4.122	0.286	0.018	0.039	0.007	0.008	0.004	0.003	0.000
10/23/2025	1025.922	0.489	2.010	0.591	93.132	4.027	0.267	0.016	0.034	0.006	0.007	0.004	0.003	0.000
10/22/2025	1020.539	0.395	2.258	0.589	93.457	3.558	0.256	0.017	0.036	0.007	0.008	0.004	0.002	0.000
10/21/2025	1032.892	0.676	1.813	0.597	92.338	4.754	0.327	0.022	0.047	0.008	0.009	0.004	0.002	0.000
10/20/2025	1033.598	0.674	1.805	0.597	92.325	4.738	0.351	0.024	0.054	0.010	0.011	0.005	0.002	0.000
10/19/2025	1040.520	0.788	1.608	0.601	91.740	5.326	0.402	0.030	0.068	0.013	0.015	0.007	0.003	0.000