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Gas Quality / Gas Quality By Date

Date Requested: Nov 08 2025 8:52 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


11/08/2025	1046.017	0.863	1.051	0.600	91.680	6.155	0.247	0.002	0.002	0.000	0.000	0.000	0.000
11/07/2025	1044.944	0.871	1.077	0.600	91.731	6.080	0.236	0.002	0.002	0.000	0.000	0.000	0.000
11/06/2025	1050.508	0.881	1.047	0.603	91.065	6.753	0.249	0.002	0.002	0.000	0.000	0.000	0.000
11/05/2025	1048.352	0.882	1.046	0.602	91.425	6.317	0.320	0.004	0.005	0.000	0.000	0.000	0.000
11/04/2025	1045.289	0.842	1.153	0.600	91.601	6.143	0.254	0.003	0.003	0.000	0.000	0.000	0.000
11/03/2025	1076.380	0.841	1.130	0.620	89.239	7.306	1.177	0.069	0.159	0.021	0.020	0.019	0.019
11/02/2025	1042.795	0.833	1.156	0.599	91.953	5.780	0.273	0.003	0.003	0.000	0.000	0.000	0.000
11/01/2025	1046.093	0.855	1.160	0.601	91.462	6.243	0.275	0.002	0.002	0.000	0.000	0.000	0.000
10/31/2025	1048.829	0.824	1.173	0.602	91.367	6.193	0.404	0.008	0.016	0.003	0.003	0.004	0.004
10/30/2025	1048.183	0.857	1.168	0.602	91.364	6.187	0.387	0.008	0.016	0.002	0.003	0.004	0.004
10/29/2025	1042.711	0.842	1.175	0.599	91.872	5.859	0.249	0.002	0.001	0.000	0.000	0.000	0.000
10/28/2025	1044.127	0.832	1.170	0.600	91.758	5.948	0.287	0.002	0.002	0.000	0.000	0.000	0.000
10/27/2025	1044.636	0.827	1.169	0.600	91.748	5.926	0.325	0.003	0.002	0.000	0.000	0.000	0.000
10/26/2025	1044.314	0.827	1.182	0.600	91.774	5.873	0.339	0.003	0.003	0.000	0.000	0.000	0.000
10/25/2025	1046.047	0.829	1.165	0.601	91.613	6.024	0.360	0.004	0.004	0.000	0.000	0.001	0.001
10/24/2025	1048.249	0.838	1.165	0.602	91.430	6.154	0.372	0.006	0.011	0.001	0.001	0.010	0.010
10/23/2025	1048.752	0.863	1.164	0.603	91.309	6.246	0.380	0.006	0.011	0.001	0.001	0.009	0.009
10/22/2025	1057.093	0.843	1.153	0.608	90.509	6.797	0.672	0.011	0.014	0.000	0.000	0.000	0.000
10/21/2025	1079.686	0.856	1.090	0.622	88.522	8.039	1.413	0.034	0.046	0.001	0.000	0.000	0.000
10/20/2025	1054.379	0.852	1.051	0.605	90.719	7.027	0.344	0.004	0.004	0.000	0.000	0.000	0.000
10/19/2025	1055.936	0.853	1.045	0.606	90.547	7.183	0.364	0.004	0.004	0.000	0.000	0.000	0.000
10/18/2025	1053.034	0.855	1.067	0.604	90.816	6.945	0.312	0.003	0.003	0.000	0.000	0.000	0.000
10/17/2025	1055.820	0.854	1.035	0.606	90.585	7.152	0.367	0.003	0.003	0.000	0.000	0.000	0.000
10/16/2025	1055.059	0.873	1.036	0.606	90.642	7.069	0.373	0.004	0.003	0.000	0.000	0.000	0.000
10/15/2025	1050.713	0.849	1.055	0.603	91.176	6.582	0.330	0.004	0.004	0.000	0.000	0.000	0.000
10/14/2025	1048.138	0.865	1.145	0.602	91.304	6.312	0.367	0.004	0.003	0.000	0.000	0.000	0.000
10/13/2025	1052.180	0.880	1.160	0.605	90.803	6.726	0.408	0.005	0.007	0.001	0.001	0.004	0.004
10/12/2025	1048.062	0.885	1.181	0.603	91.186	6.369	0.372	0.004	0.003	0.000	0.000	0.000	0.000
10/11/2025	1050.304	0.878	1.152	0.604	90.989	6.592	0.382	0.004	0.003	0.000	0.000	0.000	0.000
10/10/2025	1055.615	0.853	1.141	0.607	90.445	7.111	0.442	0.005	0.004	0.000	0.000	0.000	0.000
10/09/2025	1052.527	0.846	1.114	0.605	90.847	6.819	0.367	0.004	0.004	0.000	0.000	0.000	0.000
10/08/2025	1049.703	0.845	1.045	0.602	91.415	6.314	0.364	0.005	0.005	0.000	0.000	0.004	0.004
10/07/2025	1047.359	0.840	1.019	0.600	91.753	6.037	0.335	0.005	0.006	0.000	0.000	0.002	0.002
10/06/2025	1050.392	0.844	1.137	0.603	91.124	6.480	0.404	0.005	0.005	0.000	0.000	0.000	0.000
10/05/2025	1049.936	0.849	1.158	0.603	91.065	6.566	0.356	0.003	0.003	0.000	0.000	0.000	0.000
10/04/2025	1049.858	0.831	1.177	0.603	91.098	6.506	0.380	0.004	0.004	0.000	0.000	0.000	0.000
10/03/2025	1050.974	0.832	1.167	0.604	91.028	6.532	0.431	0.005	0.005	0.000	0.000	0.000	0.000
10/02/2025	1044.719	0.843	1.059	0.599	91.857	6.006	0.230	0.002	0.002	0.000	0.000	0.000	0.000
10/01/2025	1046.847	0.879	1.038	0.601	91.581	6.234	0.262	0.003	0.003	0.000	0.000	0.000	0.000
09/30/2025	1043.590	0.822	1.037	0.598	92.138	5.736	0.262	0.003	0.002	0.000	0.000	0.000	0.000
09/29/2025	1053.887	0.852	1.078	0.605	90.778	6.941	0.323	0.005	0.008	0.001	0.001	0.007	0.007
09/28/2025	1053.100	0.842	1.080	0.604	90.845	6.899	0.316	0.004	0.006	0.001	0.001	0.003	0.003
09/27/2025	1052.272	0.847	1.085	0.604	90.905	6.827	0.329	0.003	0.003	0.000	0.000	0.000	0.000
09/26/2025	1049.994	0.838	1.091	0.603	91.182	6.584	0.300	0.003	0.003	0.000	0.000	0.000	0.000
09/25/2025	1048.149	0.856	1.156	0.602	91.308	6.298	0.373	0.004	0.005	0.000	0.000	0.000	0.000
09/24/2025	1045.375	0.825	1.187	0.600	91.665	5.946	0.368	0.004	0.004	0.000	0.000	0.000	0.000
09/23/2025	1049.940	0.837	1.155	0.603	91.263	6.312	0.391	0.006	0.010	0.001	0.001	0.011	0.011
09/22/2025	1046.589	0.817	1.166	0.601	91.573	6.066	0.372	0.004	0.003	0.000	0.000	0.000	0.000
09/21/2025	1047.553	0.832	1.160	0.602	91.423	6.210	0.369	0.003	0.003	0.000	0.000	0.000	0.000
09/20/2025	1047.616	0.830	1.176	0.602	91.384	6.234	0.370	0.003	0.003	0.000	0.000	0.000	0.000
09/19/2025	1044.625	0.829	1.170	0.600	91.720	5.971	0.305	0.003	0.003	0.000	0.000	0.000	0.000
09/18/2025	1043.537	0.829	1.172	0.599	91.844	5.859	0.291	0.003	0.002	0.000	0.000	0.000	0.000
09/17/2025	1045.271	0.829	1.173	0.600	91.618	6.083	0.293	0.003	0.002	0.000	0.000	0.000	0.000
09/16/2025	1046.078	0.835	1.153	0.601	91.595	6.070	0.341	0.003	0.003	0.000	0.000	0.000	0.000
09/15/2025	1046.136	0.835	1.170	0.601	91.512	6.173	0.306	0.002	0.002	0.000	0.000	0.000	0.000
09/14/2025	1046.329	0.834	1.171	0.601	91.487	6.195	0.308	0.003	0.002	0.000	0.000	0.000	0.000
09/13/2025	1048.039	0.824	1.166	0.602	91.320	6.359	0.327	0.003	0.002	0.000	0.000	0.000	0.000
09/12/2025	1052.554	0.825	1.192	0.605	90.832	6.658	0.482	0.006	0.005	0.000	0.000	0.000	0.000
09/11/2025	1047.860	0.787	1.235	0.602	91.343	6.229	0.397	0.004	0.004	0.000	0.000	0.000	0.000
09/10/2025	1052.224	0.796	1.228	0.605	90.870	6.605	0.490	0.006	0.006	0.000	0.000	0.000	0.000
09/09/2025	1047.266	0.830	1.157	0.601	91.494	6.120	0.390	0.004	0.004	0.000	0.000	0.000	0.000
09/08/2025	1046.086	0.829	1.088	0.600	91.759	5.979	0.339	0.004	0.003	0.000	0.000	0.000	0.000
09/07/2025	1044.608	0.821	1.074	0.599	91.977	5.805	0.316	0.003	0.003	0.000	0.000	0.000	0.000
09/06/2025	1045.874	0.823	1.081	0.600	91.848	5.871	0.369	0.004	0.004	0.000	0.000	0.000	0.000
09/05/2025	1046.304	0.816	1.169	0.601	91.597	6.047	0.364	0.004	0.003	0.000	0.000	0.000	0.000
09/04/2025	1052.533	0.829	1.154	0.605	90.853	6.730	0.426	0.004	0.004	0.000	0.000	0.000	0.000
09/03/2025	1052.172	0.832	1.076	0.604	91.025	6.684	0.376	0.004	0.004	0.000	0.000	0.000	0.000
09/02/2025	1059.922	0.837	1.069	0.609	90.707	6.563	0.646	0.036	0.086	0.017	0.018	0.010	0.010
09/01/2025	1049.127	0.843	1.069	0.602	91.342	6.431	0.307	0.003	0.003	0.000	0.000	0.000	0.000
08/31/2025	1047.799	0.846	1.070	0.601	91.502	6.276	0.300	0.004	0.004	0.000	0.000	0.000	0.000
08/30/2025	1045.612	0.836	1.070	0.599	91.800	5.999	0.286	0.003	0.003	0.000	0.000	0.001	0.001
08/29/2025	1043.699	0.828	1.057	0.598	92.057	5.801	0.254	0.002	0.002	0.000	0.000	0.000	0.000
08/28/2025	1044.414	0.830	1.052	0.598	91.966	5.897	0.249	0.003	0.003	0.000	0.000	0.000	0.000
08/27/2025	1044.233	0.830	1.048	0.598	92.042	5.800	0.266	0.004	0.005	0.000	0.000	0.002	0.002
08/26/2025	1042.292	0.823	1.052	0.597	92.328	5.510	0.267	0.004	0.006	0.000	0.000	0.004	0.004
08/25/2025	1044.493	0.829	1.049	0.598	92.065	5.734	0.304	0.005	0.006	0.000	0.000	0.003	0.003
08/24/2025	1044.182	0.839	1.062	0.599	91.948	5.900	0.246	0.002	0.002	0.000	0.000	0.000	0.000
08/23/2025	1045.759	0.839	1.052	0.599	91.800	6.024	0.279	0.003	0.003	0.000	0.000	0.000	0.000
08/22/2025	1043.665	0.833	1.057	0.598	92.030	5.840	0.235	0.002	0.002	0.000	0.000	0.000	0.000
08/21/2025	1045.718	0.834	1.047	0.599	91.819	6.026	0.269	0.003	0.003	0.000	0.000	0.000	0.000
08/20/2025	1042.775	0.835	1.057	0.598	92.138	5.734	0.232	0.002	0.002	0.000	0.000	0.000	0.000
08/19/2025	1043.406	0.834	1.052	0.598	92.082	5.782	0.245	0.002	0.002	0.000	0.000	0.000	0.000
08/18/2025	1043.745	0.835	1.052	0.598	92.035	5.827	0.245	0.002	0.002	0.000	0.000	0.000	0.000
08/17/2025	1045.575	0.834	1.059	0.599	91.821	6.008	0.269	0.003	0.003	0.000	0.000	0.001	0.001
08/16/2025	1058.388	0.834	1.039	0.607	90.778	6.628	0.645	0.015	0.023	0.002	0.003	0.015	0.015
08/15/2025	1058.543	0.829	1.049	0.607	90.751	6.646	0.652	0.014	0.021	0.002	0.002	0.016	0.016
08/14/2025	1050.586	0.828	1.050	0.602	91.474	6.143	0.472	0.009	0.013	0.001	0.001	0.005	0.005
08/13/2025	1049.878	0.851	1.060	0.602	91.408	6.221	0.443	0.006	0.007	0.000	0.000	0.001	0.001
08/12/2025	1060.145	0.832	1.139	0.609	90.323	6.928	0.716	0.016	0.027	0.003	0.003	0.007	0.007
08/11/2025	1051.401	0.833	1.159	0.604	90.963	6.627	0.411	0.004	0.003	0.000	0.000	0.000	0.000
08/10/2025	1053.946	0.839	1.155	0.606	90.674	6.868	0.456	0.004	0.004	0.000	0.000	0.000	0.000
08/09/2025	1053.557	0.839	1.150	0.605	90.734	6.815	0.453	0.004	0.004	0.000	0.000	0.000	0.000
08/08/2025	1056.200	0.842	1.142	0.607	90.447	7.062	0.498	0.005	0.004	0.000	0.000	0.000	0.000
08/07/2025	1056.783	0.850	1.080	0.607	90.561	6.941	0.555	0.007	0.006	0.000	0.000	0.000	0.000