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Gas Quality / Gas Quality By Date

Date Requested: Feb 03 2026 6:03 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	1037.209	0.651	1.715	0.598	91.973	5.285	0.321	0.015	0.026	0.004	0.004	0.002	0.002	0.000
02/02/2026	1040.483	0.710	1.587	0.600	91.739	5.552	0.358	0.016	0.027	0.004	0.004	0.002	0.001	0.000
02/01/2026	1043.577	0.721	1.585	0.602	91.428	5.788	0.395	0.023	0.036	0.007	0.007	0.004	0.003	0.000
01/31/2026	1048.565	0.733	1.718	0.607	90.646	6.267	0.515	0.039	0.050	0.011	0.009	0.005	0.004	0.000
01/30/2026	1051.208	0.727	1.615	0.607	90.573	6.438	0.519	0.041	0.052	0.012	0.009	0.006	0.004	0.000
01/29/2026	1050.155	0.757	1.488	0.606	90.938	6.181	0.506	0.043	0.052	0.012	0.010	0.006	0.004	0.000
01/28/2026	1047.920	0.822	1.415	0.604	91.243	5.901	0.481	0.048	0.052	0.013	0.010	0.007	0.005	0.000
01/27/2026	1041.827	0.757	1.301	0.598	92.143	5.400	0.327	0.020	0.028	0.006	0.006	0.004	0.003	0.000
01/26/2026	1041.773	0.727	1.288	0.598	92.188	5.428	0.318	0.013	0.024	0.004	0.004	0.002	0.002	0.000
01/25/2026	1038.883	0.707	1.458	0.597	92.248	5.199	0.326	0.015	0.030	0.005	0.005	0.003	0.002	0.000
01/24/2026	1042.303	0.788	1.399	0.600	91.736	5.685	0.338	0.014	0.026	0.004	0.004	0.002	0.002	0.000
01/23/2026	1043.930	0.789	1.286	0.600	91.770	5.777	0.326	0.014	0.026	0.004	0.004	0.002	0.001	0.000
01/22/2026	1041.270	0.748	1.371	0.599	92.034	5.467	0.322	0.014	0.027	0.004	0.005	0.002	0.002	0.000
01/21/2026	1038.397	0.702	1.475	0.597	92.276	5.168	0.316	0.015	0.029	0.005	0.005	0.003	0.002	0.000
01/20/2026	1039.186	0.744	1.380	0.597	92.267	5.246	0.308	0.014	0.026	0.004	0.004	0.002	0.002	0.000
01/19/2026	1038.518	0.721	1.350	0.596	92.411	5.206	0.271	0.011	0.019	0.003	0.003	0.002	0.002	0.000
01/18/2026	1039.250	0.732	1.362	0.597	92.281	5.288	0.293	0.012	0.022	0.004	0.003	0.001	0.001	0.000
01/17/2026	1039.663	0.788	1.334	0.598	92.202	5.305	0.318	0.014	0.026	0.004	0.004	0.002	0.001	0.000
01/16/2026	1038.834	0.779	1.370	0.597	92.241	5.248	0.309	0.014	0.027	0.004	0.004	0.002	0.001	0.000
01/15/2026	1042.652	0.836	1.244	0.599	91.919	5.627	0.323	0.014	0.026	0.004	0.004	0.002	0.001	0.000
01/14/2026	1044.053	0.849	1.195	0.600	91.881	5.653	0.355	0.017	0.034	0.005	0.006	0.002	0.001	0.000
01/13/2026	1042.113	0.801	1.281	0.599	92.001	5.529	0.328	0.016	0.030	0.005	0.005	0.002	0.001	0.000
01/12/2026	1038.638	0.755	1.362	0.597	92.338	5.193	0.296	0.015	0.028	0.005	0.005	0.002	0.001	0.000
01/11/2026	1043.271	0.777	1.220	0.599	92.097	5.491	0.345	0.018	0.035	0.006	0.006	0.003	0.001	0.000
01/10/2026	1046.724	0.851	1.124	0.601	91.735	5.842	0.375	0.019	0.036	0.006	0.006	0.003	0.002	0.000
01/09/2026	1048.915	0.905	0.982	0.602	91.633	6.039	0.374	0.018	0.034	0.005	0.006	0.002	0.001	0.000
01/08/2026	1048.924	0.887	1.022	0.602	91.596	6.042	0.386	0.018	0.034	0.005	0.006	0.002	0.001	0.000
01/07/2026	1045.774	0.842	1.157	0.601	91.850	5.677	0.386	0.022	0.045	0.008	0.008	0.004	0.002	0.000
01/06/2026	1045.329	0.821	1.156	0.600	91.940	5.623	0.375	0.021	0.042	0.008	0.008	0.004	0.002	0.000
01/05/2026	1044.564	0.827	1.209	0.600	91.923	5.567	0.385	0.022	0.045	0.008	0.008	0.004	0.002	0.000
01/04/2026	1042.122	0.831	1.263	0.599	92.032	5.450	0.352	0.018	0.036	0.006	0.007	0.003	0.002	0.000
01/03/2026	1043.939	0.879	1.282	0.601	91.669	5.721	0.375	0.019	0.037	0.006	0.007	0.003	0.001	0.000
01/02/2026	1047.598	0.920	1.209	0.604	91.293	6.108	0.390	0.020	0.039	0.007	0.007	0.003	0.002	0.000
01/01/2026	1048.262	0.954	1.154	0.604	91.279	6.137	0.385	0.022	0.044	0.008	0.009	0.004	0.002	0.000
12/31/2025	1043.937	0.815	1.443	0.602	91.465	5.816	0.377	0.020	0.041	0.007	0.007	0.003	0.002	0.000
12/30/2025	1036.193	0.619	1.706	0.597	92.206	5.092	0.316	0.016	0.031	0.005	0.005	0.002	0.001	0.000
12/29/2025	1042.119	0.741	1.554	0.601	91.613	5.627	0.381	0.021	0.041	0.008	0.008	0.003	0.001	0.000
12/28/2025	1042.122	0.791	1.512	0.601	91.582	5.651	0.386	0.020	0.039	0.006	0.007	0.003	0.001	0.000
12/27/2025	1040.463	0.761	1.535	0.600	91.779	5.493	0.360	0.019	0.037	0.006	0.006	0.003	0.001	0.000
12/26/2025	1043.207	0.818	1.433	0.602	91.593	5.677	0.395	0.021	0.044	0.007	0.008	0.003	0.001	0.000
12/25/2025	1045.497	0.890	1.311	0.603	91.409	5.905	0.405	0.021	0.041	0.007	0.007	0.003	0.001	0.000
12/24/2025	1047.535	0.914	1.183	0.603	91.393	6.039	0.383	0.022	0.044	0.008	0.008	0.004	0.002	0.000
12/23/2025	1039.473	0.736	1.559	0.599	91.955	5.300	0.367	0.020	0.041	0.007	0.008	0.004	0.002	0.000
12/22/2025	1035.161	0.657	1.750	0.597	92.200	4.989	0.328	0.019	0.038	0.007	0.007	0.003	0.002	0.000
12/21/2025	1041.403	0.749	1.601	0.601	91.632	5.541	0.378	0.023	0.048	0.009	0.010	0.005	0.003	0.000
12/20/2025	1041.004	0.732	1.672	0.601	91.459	5.703	0.366	0.018	0.033	0.006	0.006	0.002	0.001	0.001
12/19/2025	1051.120	0.933	1.267	0.607	90.682	6.634	0.404	0.021	0.040	0.007	0.007	0.003	0.002	0.000
12/18/2025	1051.882	0.951	1.242	0.607	90.595	6.715	0.426	0.020	0.036	0.006	0.006	0.002	0.001	0.000
12/17/2025	1051.996	0.930	1.255	0.607	90.677	6.595	0.451	0.023	0.045	0.008	0.008	0.004	0.002	0.000
12/16/2025	1047.231	0.910	1.439	0.606	90.879	6.260	0.430	0.022	0.041	0.007	0.007	0.003	0.002	0.000
12/15/2025	1043.459	0.813	1.652	0.604	91.099	5.931	0.416	0.023	0.045	0.008	0.008	0.004	0.002	0.000
12/14/2025	1044.734	0.828	1.518	0.604	91.165	6.016	0.389	0.021	0.041	0.007	0.008	0.003	0.002	0.000
12/13/2025	1044.660	0.833	1.538	0.604	91.084	6.090	0.383	0.019	0.036	0.006	0.006	0.003	0.001	0.000
12/12/2025	1043.313	0.794	1.632	0.603	91.166	5.936	0.388	0.022	0.043	0.007	0.007	0.003	0.002	0.000
12/11/2025	1051.609	0.927	1.407	0.608	90.410	6.692	0.465	0.026	0.050	0.008	0.009	0.004	0.002	0.000
12/10/2025	1050.886	0.928	1.413	0.608	90.545	6.521	0.477	0.028	0.057	0.010	0.011	0.005	0.003	0.000
12/09/2025	1046.779	0.833	1.543	0.605	90.927	6.147	0.452	0.025	0.050	0.008	0.009	0.004	0.002	0.000
12/08/2025	1049.514	0.884	1.470	0.607	90.639	6.456	0.443	0.026	0.055	0.009	0.010	0.004	0.002	0.000
12/07/2025	1053.418	0.991	1.316	0.610	90.210	6.962	0.415	0.025	0.052	0.009	0.010	0.005	0.002	0.000
12/06/2025	1050.921	0.994	1.243	0.607	90.640	6.625	0.412	0.022	0.044	0.007	0.007	0.003	0.001	0.000
12/05/2025	1045.751	0.898	1.518	0.605	90.921	6.156	0.414	0.023	0.048	0.007	0.008	0.004	0.002	0.000
12/04/2025	1063.920	1.330	0.858	0.617	89.097	8.161	0.481	0.021	0.039	0.005	0.005	0.002	0.001	0.000
12/03/2025	1043.103	0.914	1.365	0.602	91.451	5.865	0.339	0.016	0.032	0.005	0.006	0.003	0.002	0.000
12/02/2025	1034.662	0.731	1.624	0.597	92.314	4.975	0.297	0.015	0.029	0.005	0.005	0.002	0.002	0.000
12/01/2025	1037.927	0.842	1.526	0.600	91.948	5.256	0.351	0.019	0.039	0.006	0.007	0.003	0.001	0.000
11/30/2025	1041.513	0.924	1.413	0.602	91.648	5.522	0.393	0.025	0.051	0.009	0.010	0.004	0.002	0.000
11/29/2025	1042.866	0.915	1.381	0.602	91.589	5.610	0.402	0.025	0.053	0.009	0.010	0.004	0.002	0.000
11/28/2025	1054.557	1.168	0.958	0.609	90.516	6.798	0.452	0.026	0.055	0.009	0.010	0.004	0.002	0.000
11/27/2025	1048.741	0.950	1.249	0.605	91.080	6.191	0.420	0.026	0.056	0.010	0.010	0.005	0.002	0.000
11/26/2025	1062.679	1.278	0.645	0.613	89.900	7.624	0.455	0.026	0.051	0.008	0.008	0.003	0.001	0.001
11/25/2025	1050.109	1.023	1.253	0.607	90.718	6.469	0.431	0.026	0.055	0.009	0.010	0.004	0.002	0.000
11/24/2025	1052.298	1.021	1.266	0.609	90.493	6.622	0.474	0.030	0.064	0.011	0.011	0.005	0.002	0.000
11/23/2025	1053.086	1.010	1.322	0.610	90.332	6.704	0.496	0.032	0.070	0.012	0.013	0.005	0.002	0.000
11/22/2025	1050.486	0.978	1.222	0.607	90.787	6.519	0.400	0.023	0.049	0.008	0.009	0.003	0.001	0.000
11/21/2025	1057.918	1.137	1.162	0.613	89.651	7.500	0.452	0.025	0.052	0.008	0.009	0.003	0.001	0.000
11/20/2025	1062.497	1.231	1.143	0.617	89.020	7.954	0.520	0.032	0.071	0.011	0.012	0.004	0.002	0.000
11/19/2025	1049.759	0.992	1.501	0.609	90.275	6.683	0.440	0.027	0.058	0.009	0.010	0.003	0.001	0.000
11/18/2025	1048.241	0.941	1.519	0.608	90.574	6.395	0.459	0.028	0.060	0.009	0.009	0.003	0.002	0.000
11/17/2025	1068.569	1.364	0.844	0.620	88.711	8.345	0.593	0.036	0.077	0.011	0.012	0.004	0.002	0.000
11/16/2025	1071.072	1.451	0.642	0.621	88.518	8.776	0.487	0.030	0.067	0.011	0.012	0.004	0.002	0.000
11/15/2025	1061.648	1.218	0.999	0.615	89.448	7.730	0.481	0.029	0.066	0.010	0.012	0.004	0.002	0.000
11/14/2025	1071.470	1.343	0.777	0.621	88.567	8.574	0.583	0.037	0.082	0.013	0.015	0.006	0.003	0.000
11/13/2025	1066.564	1.322	0.580	0.616	89.639	7.795	0.508	0.036	0.081	0.014	0.016	0.006	0.002	0.000
11/12/2025	1059.642	1.205	0.835	0.612	90.325	6.897	0.556	0.042	0.095	0.016	0.018	0.007	0.003	0.000
11/11/2025	1054.482	1.039	1.116	0.609	90.739	6.361	0.560	0.042	0.097	0.016	0.018	0.007	0.003	0.000
11/10/2025	1063.747	1.216	0.782	0.614	89.958	7.252	0.597	0.045	0.102	0.017	0.019	0.008	0.003	0.000
11/09/2025	1062.404	1.189	0.909	0.614	89.907	7.200	0.598	0.045	0.103	0.018	0.020	0.008	0.003	0.000
11/08/2025	1050.838	0.958	1.263	0.607	90.913	6.237	0.473	0.035	0.081	0.014	0.016	0.006	0.003	0.000
11/07/2025	1042.868	0.843	1.414	0.602	91.560	5.756	0.351	0.019	0.041	0.006	0.007	0.002	0.001	0.000
11/06/2025	1042.042	0.868	1.402	0.601	91.718	5.529	0.387	0.023	0.049	0.008	0.009	0.003	0.002	0.000
11/05/2025	1043.341	0.905	1.475	0.603	91.392	5.673	0.439	0.028	0.060	0.010	0.011	0.005	0.002	0.000
11/04/2025	1031.717	0.695	1.799	0.596	92.456	4.653	0.316	0.018	0.038	0.007	0.008	0.004	0.003	0.000
11/03/2025	1030.471	0.604	1.864	0.595	92.689	4.446	0.310	0.018	0.040	0.007	0.009	0.005	0.004	0.000
11/02/2025	1031.868	0.608	1.867	0.596	92.502	4.615	0.318	0.019	0.043	0.007	0.009	0.005	0.003	0.000