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Gas Quality / Gas Quality By Date

Date Requested: Feb 03 2026 3:18 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


02/03/2026	1039.445	0.677	1.542	0.598	92.017	5.387	0.323	0.016	0.025	0.004	0.004	0.002	0.002	0.000
02/02/2026	1041.957	0.699	1.469	0.599	91.839	5.594	0.340	0.017	0.026	0.004	0.004	0.003	0.003	0.000
02/01/2026	1044.900	0.706	1.571	0.602	91.414	5.771	0.431	0.034	0.043	0.010	0.008	0.006	0.006	0.000
01/31/2026	1049.978	0.729	1.597	0.606	90.711	6.352	0.497	0.038	0.047	0.010	0.008	0.005	0.005	0.000
01/30/2026	1050.987	0.723	1.498	0.606	90.868	6.278	0.502	0.042	0.052	0.012	0.010	0.007	0.007	0.000
01/29/2026	1049.093	0.785	1.390	0.604	91.216	5.992	0.482	0.045	0.052	0.013	0.010	0.007	0.007	0.000
01/28/2026	1045.796	0.786	1.317	0.601	91.709	5.660	0.409	0.040	0.044	0.012	0.009	0.007	0.007	0.000
01/27/2026	1038.916	0.689	1.269	0.595	92.629	5.099	0.269	0.012	0.019	0.004	0.004	0.003	0.003	0.000
01/26/2026	1040.457	0.705	1.347	0.597	92.267	5.315	0.314	0.014	0.024	0.004	0.004	0.003	0.003	0.000
01/25/2026	1038.164	0.690	1.452	0.596	92.355	5.142	0.304	0.015	0.027	0.004	0.005	0.003	0.003	0.000
01/24/2026	1042.545	0.766	1.322	0.599	91.903	5.639	0.322	0.014	0.023	0.004	0.004	0.002	0.002	0.000
01/23/2026	1040.903	0.734	1.326	0.598	92.204	5.362	0.314	0.015	0.027	0.005	0.005	0.003	0.003	0.000
01/22/2026	1038.597	0.709	1.461	0.597	92.242	5.222	0.308	0.015	0.027	0.005	0.005	0.004	0.004	0.000
01/21/2026	1037.697	0.691	1.420	0.596	92.506	5.010	0.310	0.016	0.029	0.005	0.005	0.004	0.004	0.000
01/20/2026	1037.664	0.713	1.342	0.595	92.564	5.061	0.274	0.013	0.021	0.003	0.004	0.003	0.003	0.000
01/19/2026	1038.518	0.685	1.304	0.595	92.597	5.100	0.270	0.012	0.020	0.003	0.004	0.002	0.002	0.000
01/18/2026	1038.117	0.730	1.352	0.596	92.462	5.115	0.293	0.014	0.023	0.004	0.004	0.002	0.002	0.000
01/17/2026	1037.887	0.748	1.325	0.596	92.518	5.062	0.300	0.014	0.023	0.004	0.004	0.002	0.002	0.000
01/16/2026	1040.229	0.798	1.293	0.598	92.203	5.341	0.312	0.015	0.026	0.004	0.004	0.002	0.002	0.000
01/15/2026	1041.591	0.788	1.228	0.598	92.223	5.377	0.326	0.016	0.029	0.005	0.005	0.002	0.002	0.000
01/14/2026	1039.575	0.737	1.316	0.597	92.345	5.261	0.293	0.014	0.023	0.004	0.004	0.002	0.002	0.000
01/13/2026	1038.494	0.726	1.322	0.596	92.497	5.116	0.287	0.015	0.025	0.004	0.004	0.002	0.002	0.000
01/12/2026	1038.801	0.723	1.346	0.596	92.462	5.097	0.307	0.017	0.031	0.006	0.006	0.003	0.003	0.000
01/11/2026	1044.558	0.793	1.118	0.599	92.122	5.555	0.344	0.018	0.032	0.006	0.006	0.003	0.003	0.000
01/10/2026	1045.888	0.836	1.079	0.600	91.954	5.703	0.359	0.019	0.033	0.006	0.006	0.003	0.003	0.000
01/09/2026	1038.949	0.705	1.288	0.595	92.614	5.018	0.311	0.017	0.030	0.006	0.006	0.002	0.002	0.001
01/08/2026	1042.208	0.767	1.221	0.598	92.279	5.306	0.348	0.021	0.038	0.007	0.007	0.003	0.003	0.000
01/07/2026	1043.238	0.792	1.229	0.599	92.107	5.416	0.371	0.022	0.042	0.008	0.008	0.003	0.003	0.000
01/06/2026	1045.274	0.869	1.133	0.601	91.932	5.575	0.393	0.024	0.048	0.009	0.009	0.004	0.004	0.000
01/05/2026	1042.745	0.838	1.172	0.599	92.163	5.393	0.356	0.020	0.038	0.007	0.007	0.003	0.003	0.000
01/04/2026	1039.293	0.766	1.398	0.598	92.209	5.222	0.337	0.018	0.032	0.006	0.006	0.003	0.003	0.000
01/03/2026	1046.834	0.906	1.152	0.602	91.543	5.940	0.382	0.020	0.037	0.007	0.007	0.003	0.003	0.000
01/02/2026	1044.116	0.844	1.257	0.601	91.759	5.716	0.348	0.019	0.036	0.007	0.007	0.003	0.003	0.000
01/01/2026	1037.711	0.665	1.590	0.597	92.158	5.218	0.309	0.016	0.028	0.005	0.005	0.003	0.003	0.000
12/31/2025	1035.241	0.623	1.652	0.596	92.384	5.009	0.282	0.013	0.023	0.004	0.004	0.002	0.002	0.000
12/30/2025	1038.266	0.654	1.590	0.597	92.158	5.196	0.333	0.018	0.034	0.006	0.006	0.003	0.003	0.000
12/29/2025	1042.897	0.808	1.431	0.601	91.624	5.682	0.378	0.021	0.038	0.007	0.007	0.002	0.002	0.000
12/28/2025	1041.672	0.795	1.478	0.601	91.679	5.610	0.366	0.020	0.036	0.006	0.006	0.002	0.002	0.000
12/27/2025	1040.635	0.751	1.477	0.599	91.913	5.430	0.357	0.019	0.036	0.006	0.006	0.002	0.002	0.000
12/26/2025	1045.888	0.886	1.328	0.603	91.355	5.927	0.417	0.023	0.044	0.007	0.008	0.002	0.002	0.000
12/25/2025	1045.646	0.893	1.243	0.602	91.516	5.893	0.374	0.021	0.040	0.007	0.007	0.003	0.003	0.000
12/24/2025	1042.867	0.811	1.353	0.600	91.816	5.568	0.368	0.021	0.041	0.007	0.008	0.004	0.004	0.000
12/23/2025	1036.610	0.704	1.588	0.597	92.276	5.026	0.331	0.019	0.036	0.007	0.007	0.003	0.003	0.000
12/22/2025	1036.820	0.653	1.660	0.597	92.238	5.023	0.338	0.021	0.042	0.008	0.009	0.004	0.004	0.000
12/21/2025	1040.704	0.729	1.562	0.600	91.760	5.529	0.346	0.019	0.035	0.006	0.007	0.004	0.004	0.000
12/20/2025	1041.264	0.739	1.530	0.600	91.713	5.606	0.346	0.018	0.031	0.006	0.006	0.002	0.002	0.000
12/19/2025	1050.155	0.918	1.240	0.606	90.870	6.510	0.392	0.020	0.034	0.006	0.006	0.002	0.002	0.000
12/18/2025	1048.935	0.888	1.346	0.605	90.922	6.327	0.434	0.022	0.041	0.007	0.007	0.003	0.003	0.000
12/17/2025	1050.104	0.982	1.273	0.607	90.717	6.511	0.437	0.022	0.039	0.006	0.006	0.003	0.003	0.000
12/16/2025	1041.981	0.776	1.681	0.603	91.284	5.773	0.398	0.022	0.042	0.007	0.008	0.004	0.004	0.000
12/15/2025	1044.266	0.809	1.492	0.603	91.330	5.898	0.387	0.022	0.040	0.007	0.008	0.003	0.003	0.000
12/14/2025	1041.204	0.744	1.472	0.599	91.800	5.613	0.310	0.016	0.029	0.005	0.005	0.003	0.003	0.000
12/13/2025	1040.768	0.749	1.673	0.601	91.487	5.631	0.379	0.021	0.039	0.007	0.007	0.003	0.003	0.000
12/12/2025	1046.152	0.826	1.502	0.604	91.042	6.144	0.398	0.023	0.044	0.008	0.008	0.003	0.003	0.000
12/11/2025	1049.036	0.895	1.403	0.606	90.825	6.324	0.448	0.027	0.051	0.009	0.010	0.004	0.004	0.000
12/10/2025	1047.528	0.849	1.491	0.605	90.920	6.193	0.444	0.026	0.051	0.009	0.010	0.004	0.004	0.000
12/09/2025	1047.145	0.845	1.463	0.605	91.012	6.148	0.436	0.025	0.048	0.008	0.008	0.003	0.003	0.000
12/08/2025	1050.904	0.926	1.348	0.607	90.596	6.620	0.403	0.026	0.052	0.010	0.010	0.004	0.004	0.000
12/07/2025	1050.844	0.979	1.256	0.607	90.590	6.729	0.371	0.020	0.037	0.006	0.007	0.003	0.003	0.000
12/06/2025	1046.754	0.861	1.402	0.604	91.164	6.059	0.409	0.026	0.052	0.009	0.010	0.004	0.004	0.000
12/05/2025	1044.986	0.841	1.373	0.602	91.358	6.019	0.340	0.019	0.033	0.005	0.006	0.003	0.003	0.000
12/04/2025	1036.348	0.717	1.491	0.596	92.390	5.087	0.261	0.014	0.025	0.005	0.005	0.003	0.003	0.000
12/03/2025	1035.876	0.724	1.508	0.596	92.397	5.049	0.271	0.014	0.024	0.004	0.004	0.003	0.003	0.000
12/02/2025	1035.651	0.768	1.521	0.597	92.347	4.997	0.308	0.016	0.029	0.005	0.005	0.002	0.002	0.000
12/01/2025	1038.769	0.820	1.430	0.599	92.123	5.196	0.350	0.021	0.041	0.007	0.007	0.003	0.003	0.000
11/30/2025	1039.575	0.835	1.396	0.599	92.095	5.225	0.360	0.023	0.045	0.008	0.009	0.003	0.003	0.000
11/29/2025	1046.469	0.972	1.170	0.603	91.461	5.897	0.403	0.025	0.049	0.009	0.009	0.003	0.003	0.000
11/28/2025	1037.740	0.717	1.391	0.596	92.527	4.982	0.312	0.019	0.036	0.006	0.006	0.003	0.003	0.000
11/27/2025	1039.007	0.760	1.374	0.597	92.322	5.138	0.333	0.019	0.037	0.006	0.006	0.002	0.002	0.000
11/26/2025	1047.694	0.969	1.288	0.605	91.086	6.121	0.428	0.028	0.055	0.010	0.010	0.003	0.003	0.000
11/25/2025	1049.323	0.955	1.312	0.606	90.864	6.317	0.441	0.028	0.057	0.010	0.010	0.003	0.003	0.000
11/24/2025	1051.877	0.985	1.293	0.608	90.568	6.562	0.467	0.031	0.064	0.011	0.012	0.004	0.004	0.000
11/23/2025	1050.033	0.973	1.229	0.606	90.865	6.426	0.406	0.026	0.053	0.009	0.009	0.003	0.003	0.000
11/22/2025	1054.438	1.066	1.191	0.610	90.112	7.146	0.404	0.021	0.041	0.007	0.007	0.002	0.002	0.000
11/21/2025	1062.101	1.211	1.103	0.616	89.170	7.893	0.503	0.031	0.064	0.010	0.010	0.003	0.003	0.000
11/20/2025	1050.540	0.983	1.380	0.608	90.455	6.648	0.430	0.027	0.055	0.009	0.009	0.003	0.003	0.000
11/19/2025	1045.795	0.874	1.456	0.604	91.144	5.997	0.424	0.028	0.055	0.009	0.009	0.003	0.003	0.000
11/18/2025	1053.089	0.991	1.118	0.607	90.772	6.550	0.447	0.031	0.062	0.010	0.011	0.004	0.004	0.000
11/17/2025	1060.040	1.160	0.743	0.610	90.419	7.078	0.451	0.035	0.075	0.014	0.016	0.005	0.005	0.000
11/16/2025	1058.231	1.092	0.754	0.608	90.678	6.948	0.404	0.029	0.062	0.011	0.013	0.004	0.004	0.000
11/15/2025	1062.917	1.162	0.776	0.613	89.993	7.429	0.494	0.035	0.075	0.013	0.014	0.004	0.004	0.000
11/14/2025	1059.199	1.133	0.736	0.609	90.535	7.039	0.430	0.031	0.065	0.012	0.013	0.004	0.004	0.000
11/13/2025	1047.549	0.898	1.134	0.602	91.689	5.716	0.425	0.033	0.070	0.013	0.014	0.004	0.004	0.000
11/12/2025	1048.535	0.913	1.191	0.604	91.461	5.820	0.465	0.036	0.078	0.014	0.015	0.004	0.004	0.000
11/11/2025	1051.279	0.947	1.085	0.605	91.263	6.090	0.469	0.035	0.075	0.013	0.014	0.004	0.004	0.000
11/10/2025	1052.570	0.945	1.080	0.606	91.090	6.289	0.456	0.034	0.071	0.013	0.014	0.004	0.004	0.000
11/09/2025	1044.687	0.772	1.346	0.601	91.758	5.633	0.380	0.027	0.056	0.010	0.011	0.004	0.004	0.000
11/08/2025	1038.353	0.697	1.449	0.597	92.336	5.150	0.304	0.017	0.032	0.005	0.006	0.002	0.002	0.000
11/07/2025	1038.753	0.799	1.534	0.599	91.959	5.255	0.365	0.022	0.045	0.008	0.008	0.003	0.003	0.000
11/06/2025	1031.704	0.666	1.805	0.596	92.507	4.615	0.325	0.020	0.041	0.007	0.008	0.003	0.003	0.000
11/05/2025	1032.641	0.709	1.743	0.596	92.421	4.728	0.319	0.019	0.038	0.007	0.008	0.004	0.004	0.000
11/04/2025	1029.996	0.574	1.863	0.594	92.818	4.345	0.312	0.020	0.042	0.008	0.009	0.005	0.005	0.000
11/03/2025	1030.833	0.588	1.852	0.594	92.690	4.477	0.307	0.019	0.041	0.007	0.009	0.005	0.005	0.000
11/02/2025	1033.827	0.645	1.846	0.597	92.223	4.859	0.335	0.021	0.044	0.008	0.009	0.005	0.005	0.000