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Gas Quality / Gas Quality By Date

Date Requested: Dec 30 2025 3:39 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


12/30/2025	1042.267	0.738	1.533	0.601	91.646	5.620	0.381	0.021	0.041	0.008	0.008	0.003	0.001	0.000
12/29/2025	1042.267	0.738	1.533	0.601	91.646	5.620	0.381	0.021	0.041	0.008	0.008	0.003	0.001	0.000
12/28/2025	1042.334	0.796	1.491	0.601	91.591	5.659	0.387	0.020	0.039	0.007	0.007	0.003	0.001	0.000
12/27/2025	1040.539	0.761	1.520	0.600	91.798	5.490	0.360	0.019	0.037	0.006	0.006	0.003	0.000	0.000
12/26/2025	1043.449	0.823	1.414	0.602	91.591	5.691	0.396	0.022	0.044	0.007	0.008	0.003	0.001	0.000
12/25/2025	1045.569	0.891	1.297	0.603	91.425	5.903	0.405	0.021	0.041	0.007	0.007	0.003	0.001	0.000
12/24/2025	1047.564	0.914	1.172	0.603	91.407	6.036	0.384	0.022	0.044	0.008	0.008	0.004	0.001	0.000
12/23/2025	1039.825	0.743	1.534	0.599	91.949	5.322	0.369	0.020	0.041	0.007	0.008	0.004	0.002	0.000
12/22/2025	1035.315	0.659	1.732	0.597	92.212	4.993	0.328	0.019	0.038	0.007	0.007	0.003	0.001	0.000
12/21/2025	1041.510	0.750	1.585	0.601	91.649	5.539	0.378	0.023	0.048	0.009	0.010	0.005	0.003	0.000
12/20/2025	1041.102	0.732	1.658	0.601	91.478	5.699	0.366	0.018	0.033	0.006	0.006	0.003	0.001	0.000
12/19/2025	1051.105	0.930	1.259	0.607	90.706	6.620	0.405	0.021	0.040	0.007	0.007	0.003	0.001	0.000
12/18/2025	1051.923	0.953	1.229	0.607	90.614	6.709	0.426	0.019	0.036	0.006	0.006	0.002	0.001	0.000
12/17/2025	1051.937	0.930	1.246	0.607	90.700	6.583	0.450	0.023	0.045	0.008	0.008	0.004	0.001	0.000
12/16/2025	1046.963	0.904	1.440	0.605	90.920	6.226	0.428	0.021	0.041	0.007	0.007	0.003	0.001	0.000
12/15/2025	1043.533	0.815	1.635	0.604	91.120	5.926	0.416	0.022	0.045	0.008	0.008	0.004	0.002	0.000
12/14/2025	1044.649	0.827	1.505	0.603	91.203	5.996	0.387	0.021	0.041	0.007	0.008	0.003	0.001	0.000
12/13/2025	1044.864	0.837	1.519	0.604	91.091	6.099	0.383	0.019	0.036	0.006	0.006	0.003	0.001	0.000
12/12/2025	1043.558	0.798	1.611	0.603	91.172	5.948	0.388	0.022	0.043	0.007	0.007	0.003	0.001	0.000
12/11/2025	1051.716	0.930	1.389	0.608	90.428	6.688	0.466	0.026	0.050	0.008	0.009	0.004	0.001	0.000
12/10/2025	1050.575	0.924	1.405	0.608	90.598	6.485	0.473	0.028	0.057	0.010	0.011	0.005	0.002	0.001
12/09/2025	1046.682	0.829	1.532	0.605	90.965	6.125	0.451	0.025	0.050	0.008	0.009	0.004	0.001	0.000
12/08/2025	1049.438	0.882	1.460	0.607	90.669	6.439	0.444	0.026	0.055	0.009	0.010	0.004	0.001	0.000
12/07/2025	1053.306	0.989	1.307	0.609	90.239	6.946	0.415	0.025	0.052	0.009	0.010	0.005	0.002	0.000
12/06/2025	1050.750	0.993	1.237	0.607	90.669	6.607	0.409	0.021	0.044	0.007	0.007	0.003	0.001	0.000
12/05/2025	1045.807	0.900	1.505	0.605	90.939	6.150	0.413	0.023	0.048	0.007	0.008	0.004	0.002	0.000
12/04/2025	1063.845	1.334	0.852	0.617	89.107	8.153	0.481	0.021	0.039	0.005	0.005	0.002	0.000	0.000
12/03/2025	1043.003	0.911	1.364	0.602	91.471	5.850	0.339	0.016	0.032	0.005	0.006	0.003	0.001	0.000
12/02/2025	1034.683	0.731	1.611	0.597	92.337	4.968	0.296	0.014	0.029	0.005	0.005	0.003	0.001	0.000
12/01/2025	1038.212	0.847	1.505	0.600	91.947	5.273	0.352	0.019	0.040	0.007	0.007	0.003	0.001	0.000
11/30/2025	1041.618	0.927	1.395	0.602	91.665	5.521	0.392	0.025	0.051	0.009	0.010	0.004	0.001	0.000
11/29/2025	1043.030	0.918	1.363	0.602	91.593	5.623	0.401	0.025	0.052	0.009	0.010	0.004	0.001	0.000
11/28/2025	1054.321	1.150	0.984	0.609	90.535	6.768	0.451	0.027	0.057	0.010	0.011	0.005	0.001	0.000
11/27/2025	1050.536	0.995	1.156	0.606	90.947	6.373	0.423	0.026	0.055	0.009	0.010	0.004	0.001	0.000
11/26/2025	1062.579	1.275	0.640	0.613	89.939	7.592	0.456	0.026	0.052	0.008	0.009	0.003	0.001	0.000
11/25/2025	1049.976	1.020	1.254	0.607	90.741	6.447	0.432	0.026	0.055	0.009	0.010	0.004	0.001	0.000
11/24/2025	1051.628	1.004	1.282	0.608	90.571	6.552	0.470	0.029	0.064	0.010	0.011	0.005	0.001	0.000
11/23/2025	1053.099	1.005	1.302	0.609	90.389	6.671	0.497	0.032	0.071	0.012	0.013	0.005	0.001	0.000
11/22/2025	1051.043	0.992	1.204	0.607	90.723	6.585	0.403	0.023	0.049	0.008	0.008	0.003	0.001	0.000
11/21/2025	1058.683	1.152	1.148	0.614	89.567	7.570	0.462	0.026	0.054	0.009	0.009	0.003	0.001	0.000
11/20/2025	1061.151	1.207	1.167	0.616	89.173	7.815	0.511	0.031	0.069	0.010	0.011	0.004	0.001	0.000
11/19/2025	1048.164	0.949	1.542	0.608	90.471	6.501	0.431	0.026	0.057	0.009	0.010	0.003	0.001	0.000
11/18/2025	1048.949	0.953	1.496	0.608	90.520	6.450	0.465	0.029	0.062	0.009	0.010	0.004	0.001	0.000
11/17/2025	1070.771	1.408	0.759	0.621	88.524	8.567	0.600	0.036	0.077	0.011	0.012	0.004	0.001	0.000
11/16/2025	1066.484	1.338	0.726	0.617	89.131	8.224	0.465	0.028	0.061	0.010	0.011	0.004	0.001	0.000
11/15/2025	1061.449	1.218	0.994	0.615	89.462	7.740	0.464	0.029	0.065	0.010	0.012	0.004	0.001	0.000
11/14/2025	1071.336	1.346	0.770	0.621	88.583	8.566	0.581	0.037	0.081	0.013	0.015	0.006	0.002	0.000
11/13/2025	1066.221	1.319	0.573	0.615	89.693	7.760	0.502	0.035	0.080	0.014	0.015	0.006	0.002	0.000
11/12/2025	1059.609	1.204	0.831	0.612	90.340	6.884	0.558	0.042	0.096	0.016	0.018	0.007	0.002	0.000
11/11/2025	1054.409	1.042	1.106	0.609	90.756	6.355	0.558	0.042	0.096	0.016	0.018	0.007	0.002	0.000
11/10/2025	1063.723	1.219	0.780	0.614	89.956	7.252	0.599	0.045	0.102	0.017	0.019	0.008	0.002	0.000
11/09/2025	1061.176	1.165	0.945	0.613	90.019	7.088	0.590	0.044	0.101	0.018	0.020	0.008	0.002	0.000
11/08/2025	1047.345	0.899	1.367	0.605	91.199	5.946	0.445	0.033	0.075	0.013	0.015	0.006	0.002	0.000
11/07/2025	1041.982	0.809	1.462	0.601	91.696	5.572	0.366	0.023	0.050	0.008	0.009	0.004	0.001	0.000
11/06/2025	1044.021	0.897	1.337	0.602	91.569	5.693	0.403	0.025	0.053	0.009	0.010	0.004	0.001	0.000
11/05/2025	1043.464	0.909	1.461	0.603	91.392	5.686	0.439	0.027	0.059	0.010	0.011	0.005	0.001	0.000
11/04/2025	1031.806	0.695	1.785	0.596	92.474	4.651	0.316	0.018	0.037	0.006	0.008	0.004	0.003	0.000
11/03/2025	1030.510	0.603	1.849	0.594	92.718	4.435	0.310	0.018	0.040	0.007	0.009	0.005	0.003	0.000
11/02/2025	1032.039	0.609	1.851	0.596	92.515	4.618	0.318	0.019	0.043	0.007	0.009	0.005	0.003	0.000
11/01/2025	1033.776	0.648	1.856	0.597	92.207	4.862	0.334	0.020	0.045	0.008	0.009	0.005	0.003	0.000
10/31/2025	1032.136	0.636	1.852	0.596	92.378	4.756	0.301	0.018	0.039	0.007	0.007	0.003	0.001	0.000
10/30/2025	1029.085	0.607	1.938	0.595	92.587	4.523	0.280	0.016	0.032	0.006	0.006	0.003	0.001	0.000
10/29/2025	1037.969	0.783	1.618	0.600	91.874	5.285	0.360	0.021	0.041	0.007	0.007	0.003	0.001	0.000
10/28/2025	1043.490	0.904	1.503	0.604	91.192	5.921	0.394	0.022	0.045	0.007	0.008	0.003	0.001	0.000
10/27/2025	1041.299	0.836	1.706	0.604	91.259	5.665	0.420	0.027	0.059	0.010	0.011	0.005	0.001	0.000
10/26/2025	1039.089	0.794	1.762	0.602	91.489	5.441	0.403	0.025	0.056	0.010	0.011	0.005	0.002	0.000
10/25/2025	1027.050	0.510	2.002	0.592	93.028	4.066	0.307	0.019	0.043	0.007	0.009	0.004	0.002	0.000
10/24/2025	1022.790	0.416	2.041	0.589	93.587	3.651	0.241	0.013	0.029	0.005	0.006	0.003	0.002	0.000
10/23/2025	1024.512	0.451	2.058	0.590	93.286	3.869	0.264	0.015	0.033	0.006	0.007	0.004	0.003	0.000
10/22/2025	1019.627	0.373	2.255	0.588	93.591	3.479	0.241	0.014	0.030	0.005	0.006	0.003	0.001	0.000
10/21/2025	1029.290	0.609	1.871	0.594	92.747	4.405	0.293	0.018	0.039	0.007	0.007	0.003	0.001	0.000
10/20/2025	1040.026	0.801	1.592	0.601	91.742	5.359	0.390	0.026	0.060	0.011	0.012	0.005	0.001	0.000
10/19/2025	1037.454	0.739	1.689	0.599	91.986	5.096	0.371	0.027	0.060	0.011	0.013	0.006	0.002	0.000
10/18/2025	1035.691	0.678	1.726	0.598	92.262	4.852	0.363	0.027	0.060	0.011	0.012	0.006	0.002	0.000
10/17/2025	1034.926	0.697	1.760	0.598	92.251	4.800	0.372	0.027	0.061	0.011	0.013	0.005	0.002	0.000
10/16/2025	1026.407	0.550	1.950	0.592	93.103	4.020	0.291	0.020	0.044	0.008	0.009	0.004	0.001	0.000
10/15/2025	1031.290	0.652	1.772	0.595	92.665	4.514	0.308	0.021	0.046	0.008	0.009	0.004	0.001	0.000
10/14/2025	1039.266	0.811	1.533	0.600	91.889	5.312	0.352	0.024	0.053	0.009	0.010	0.004	0.001	0.000
10/13/2025	1047.903	1.038	1.244	0.606	90.945	6.284	0.386	0.025	0.053	0.010	0.011	0.004	0.001	0.000
10/12/2025	1044.753	0.919	1.436	0.604	91.132	6.053	0.372	0.022	0.046	0.008	0.009	0.003	0.001	0.000
10/11/2025	1042.907	0.880	1.488	0.603	91.295	5.910	0.348	0.020	0.041	0.007	0.007	0.003	0.001	0.000
10/10/2025	1041.173	0.849	1.546	0.602	91.443	5.748	0.338	0.019	0.039	0.007	0.007	0.003	0.001	0.000
10/09/2025	1038.892	0.825	1.617	0.601	91.582	5.600	0.310	0.016	0.034	0.006	0.006	0.002	0.001	0.000
10/08/2025	1029.755	0.600	1.912	0.595	92.556	4.599	0.274	0.015	0.031	0.005	0.005	0.002	0.001	0.000
10/07/2025	1037.386	0.760	1.675	0.599	91.848	5.299	0.342	0.019	0.039	0.006	0.008	0.003	0.001	0.000
10/06/2025	1049.169	1.039	1.214	0.607	90.790	6.488	0.391	0.021	0.041	0.006	0.007	0.003	0.001	0.000
10/05/2025	1052.722	1.098	1.146	0.609	90.467	6.739	0.445	0.026	0.053	0.010	0.011	0.004	0.001	0.000
10/04/2025	1048.624	1.012	1.247	0.606	90.927	6.293	0.421	0.025	0.052	0.009	0.010	0.004	0.001	0.000
10/03/2025	1042.636	0.986	1.267	0.602	91.494	5.884	0.329	0.013	0.022	0.003	0.003	0.001	0.000	0.000
10/02/2025	1043.075	1.000	1.300	0.603	91.358	5.952	0.339	0.015	0.027	0.004	0.004	0.001	0.000	0.000
10/01/2025	1042.292	0.971	1.382	0.603	91.396	5.827	0.357	0.018	0.035	0.006	0.006	0.002	0.001	0.000
09/30/2025	1047.260	0.971	1.322	0.605	90.941	6.309	0.376	0.021	0.041	0.007	0.008	0.003	0.001	0.000
09/29/2025	1048.661	0.983	1.162	0.605	91.005	6.448	0.352	0.015	0.026	0.004	0.004	0.002	0.000	0.000
09/28/2025	1051.146	1.083	1.224	0.609	90.413	6.800	0.405	0.020	0.038	0.007	0.007	0.003	0.001	0.000