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Gas Quality / Gas Quality By Date

Date Requested: Nov 14 2025 6:31 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


11/14/2025	1064.299	1.368	0.538	0.614	89.930	7.492	0.530	0.036	0.079	0.013	0.014
11/13/2025	1064.103	1.346	0.572	0.614	89.975	7.405	0.549	0.039	0.085	0.014	0.015
11/12/2025	1039.754	0.751	1.576	0.600	91.911	5.283	0.373	0.026	0.058	0.010	0.011
11/11/2025	1039.308	0.743	1.590	0.600	91.949	5.246	0.368	0.026	0.057	0.010	0.011
11/10/2025	1039.037	0.737	1.598	0.599	91.973	5.222	0.366	0.026	0.057	0.010	0.011
11/09/2025	1038.862	0.733	1.603	0.599	91.986	5.210	0.364	0.025	0.056	0.010	0.011
11/08/2025	1039.307	0.766	1.436	0.598	92.087	5.338	0.311	0.017	0.034	0.006	0.006
11/07/2025	1036.285	0.767	1.615	0.598	92.123	5.077	0.347	0.019	0.040	0.006	0.007
11/06/2025	1030.637	0.612	1.880	0.595	92.593	4.523	0.318	0.019	0.041	0.007	0.008
11/05/2025	1030.637	0.612	1.880	0.595	92.593	4.523	0.318	0.019	0.041	0.007	0.008
11/04/2025	1030.274	0.603	1.893	0.595	92.630	4.483	0.316	0.019	0.041	0.007	0.008
11/03/2025	1029.868	0.594	1.908	0.594	92.667	4.442	0.314	0.019	0.040	0.007	0.008
11/02/2025	1029.423	0.584	1.923	0.594	92.712	4.396	0.312	0.018	0.040	0.007	0.008
11/01/2025	1028.320	0.559	1.961	0.593	92.816	4.286	0.305	0.018	0.040	0.007	0.008
10/31/2025	1027.639	0.544	1.985	0.593	92.879	4.220	0.301	0.018	0.039	0.007	0.008
10/30/2025	1027.164	0.533	1.998	0.593	92.928	4.173	0.298	0.018	0.039	0.007	0.008
10/29/2025	1026.991	0.530	2.007	0.593	92.933	4.162	0.297	0.018	0.038	0.007	0.008
10/28/2025	1026.965	0.529	2.006	0.593	92.941	4.157	0.296	0.017	0.038	0.007	0.008
10/27/2025	1026.979	0.529	2.006	0.593	92.941	4.156	0.297	0.017	0.038	0.007	0.008
10/26/2025	1026.987	0.529	2.006	0.593	92.941	4.157	0.297	0.017	0.038	0.007	0.008
10/25/2025	1026.993	0.529	2.006	0.593	92.941	4.157	0.297	0.017	0.038	0.007	0.008
10/24/2025	1026.055	0.492	2.020	0.592	93.102	4.039	0.280	0.017	0.037	0.006	0.008
10/23/2025	1023.464	0.435	2.065	0.589	93.425	3.758	0.257	0.015	0.033	0.006	0.007
10/22/2025	1024.646	0.478	2.112	0.591	93.115	3.934	0.285	0.019	0.041	0.008	0.009
10/21/2025	1050.148	1.086	1.185	0.608	90.718	6.497	0.410	0.026	0.056	0.010	0.011
10/20/2025	1050.082	1.085	1.185	0.608	90.729	6.489	0.409	0.026	0.056	0.010	0.011
10/19/2025	1050.041	1.084	1.185	0.608	90.736	6.484	0.409	0.026	0.056	0.010	0.011
10/18/2025	1049.982	1.083	1.185	0.607	90.746	6.476	0.408	0.026	0.056	0.010	0.011
10/17/2025	1049.940	1.082	1.184	0.607	90.753	6.471	0.407	0.026	0.056	0.010	0.011
10/16/2025	1049.763	1.081	1.182	0.607	90.774	6.462	0.401	0.026	0.055	0.010	0.011
10/15/2025	1049.957	1.082	1.184	0.607	90.752	6.472	0.408	0.026	0.056	0.010	0.011
10/14/2025	1049.888	1.080	1.183	0.607	90.765	6.461	0.407	0.026	0.056	0.010	0.011
10/13/2025	1050.358	1.091	1.189	0.608	90.661	6.552	0.406	0.026	0.055	0.010	0.011
10/12/2025	1042.973	0.904	1.401	0.602	91.479	5.765	0.370	0.021	0.044	0.007	0.008
10/11/2025	1042.953	0.903	1.401	0.602	91.481	5.762	0.371	0.021	0.044	0.007	0.008
10/10/2025	1042.942	0.903	1.402	0.602	91.482	5.761	0.370	0.021	0.044	0.007	0.008
10/09/2025	1042.903	0.903	1.402	0.602	91.488	5.756	0.370	0.021	0.044	0.007	0.008
10/08/2025	1042.923	0.903	1.401	0.602	91.488	5.757	0.370	0.021	0.044	0.007	0.008
10/07/2025	1039.993	0.816	1.521	0.600	91.789	5.424	0.367	0.021	0.045	0.008	0.008
10/06/2025	1049.123	1.011	1.351	0.608	90.450	6.776	0.363	0.015	0.026	0.004	0.004
10/05/2025	1049.045	1.010	1.352	0.607	90.461	6.767	0.362	0.015	0.026	0.004	0.004
10/04/2025	1049.023	1.009	1.353	0.607	90.462	6.767	0.361	0.015	0.026	0.004	0.004
10/03/2025	1049.028	1.009	1.353	0.607	90.462	6.766	0.361	0.015	0.026	0.004	0.004
10/02/2025	1048.997	1.009	1.353	0.607	90.465	6.764	0.361	0.015	0.026	0.004	0.004
10/01/2025	1048.968	1.008	1.354	0.607	90.468	6.762	0.360	0.015	0.026	0.004	0.004
09/30/2025	1048.935	1.007	1.355	0.607	90.472	6.758	0.360	0.014	0.026	0.004	0.004
09/29/2025	1048.914	1.007	1.355	0.607	90.474	6.756	0.360	0.014	0.026	0.004	0.004
09/28/2025	1048.893	1.006	1.355	0.607	90.476	6.755	0.359	0.014	0.026	0.004	0.004
09/27/2025	1048.876	1.006	1.355	0.607	90.478	6.754	0.359	0.014	0.026	0.004	0.004
09/26/2025	1050.079	1.035	1.342	0.608	90.325	6.866	0.376	0.016	0.030	0.005	0.005
09/25/2025	1062.182	1.269	1.085	0.617	89.185	7.785	0.537	0.034	0.074	0.014	0.016
09/24/2025	1062.168	1.269	1.085	0.617	89.186	7.785	0.537	0.034	0.074	0.014	0.016
09/23/2025	1062.169	1.269	1.084	0.617	89.186	7.786	0.536	0.034	0.074	0.014	0.016
09/22/2025	1064.362	1.345	1.013	0.619	88.864	8.105	0.545	0.033	0.068	0.012	0.014
09/21/2025	1052.939	1.093	1.344	0.611	90.033	6.964	0.458	0.028	0.058	0.010	0.011
09/20/2025	1058.358	1.132	1.236	0.614	89.570	7.440	0.496	0.032	0.068	0.012	0.014
09/19/2025	1056.766	1.185	1.285	0.615	89.458	7.479	0.493	0.027	0.054	0.009	0.009
09/18/2025	1053.082	1.146	1.356	0.612	89.824	7.115	0.467	0.025	0.049	0.008	0.009
09/17/2025	1048.750	1.054	1.422	0.609	90.440	6.533	0.458	0.025	0.050	0.008	0.009
09/16/2025	1054.858	1.216	1.218	0.613	89.794	7.188	0.480	0.027	0.056	0.010	0.010
09/15/2025	1077.636	1.645	0.755	0.630	87.433	9.232	0.729	0.050	0.112	0.020	0.024
09/14/2025	1079.907	1.509	0.923	0.631	87.777	8.400	1.018	0.087	0.203	0.038	0.044
09/13/2025	1060.338	1.208	1.235	0.617	89.513	7.149	0.702	0.047	0.106	0.019	0.021
09/12/2025	1037.176	0.697	1.582	0.597	92.120	5.255	0.305	0.012	0.022	0.003	0.003
09/11/2025	1037.087	0.695	1.584	0.597	92.130	5.245	0.304	0.012	0.022	0.003	0.003
09/10/2025	1036.841	0.690	1.589	0.597	92.159	5.219	0.302	0.012	0.022	0.003	0.003
09/09/2025	1036.686	0.687	1.592	0.597	92.177	5.203	0.300	0.012	0.022	0.003	0.003
09/08/2025	1036.376	0.680	1.598	0.597	92.214	5.170	0.297	0.012	0.021	0.003	0.003
09/07/2025	1035.814	0.668	1.610	0.596	92.281	5.109	0.292	0.012	0.021	0.003	0.003
09/06/2025	1035.355	0.658	1.620	0.596	92.335	5.061	0.288	0.012	0.021	0.003	0.003
09/05/2025	1035.162	0.654	1.625	0.596	92.356	5.041	0.286	0.012	0.020	0.003	0.003
09/04/2025	1034.914	0.648	1.631	0.596	92.384	5.016	0.284	0.011	0.020	0.003	0.003
09/03/2025	1034.693	0.643	1.636	0.595	92.411	4.991	0.281	0.011	0.020	0.003	0.003
09/02/2025	1034.654	0.642	1.638	0.595	92.414	4.987	0.281	0.011	0.020	0.003	0.003
09/01/2025	1034.496	0.639	1.641	0.595	92.433	4.970	0.280	0.011	0.020	0.003	0.003
08/31/2025	1034.355	0.636	1.644	0.595	92.450	4.955	0.278	0.011	0.020	0.003	0.003
08/30/2025	1034.238	0.633	1.647	0.595	92.463	4.942	0.277	0.011	0.020	0.003	0.003
08/29/2025	1034.159	0.631	1.648	0.595	92.473	4.934	0.277	0.011	0.020	0.003	0.003
08/28/2025	1034.037	0.629	1.650	0.595	92.487	4.921	0.275	0.011	0.020	0.003	0.003
08/27/2025	1033.975	0.628	1.651	0.595	92.496	4.914	0.274	0.011	0.020	0.003	0.003
08/26/2025	1033.904	0.627	1.652	0.595	92.505	4.907	0.274	0.011	0.019	0.003	0.003
08/25/2025	1033.841	0.626	1.652	0.595	92.512	4.900	0.273	0.011	0.019	0.003	0.003
08/24/2025	1033.796	0.625	1.652	0.595	92.519	4.895	0.273	0.011	0.019	0.003	0.003
08/23/2025	1033.783	0.625	1.652	0.595	92.522	4.892	0.273	0.011	0.019	0.003	0.003
08/22/2025	1033.831	0.626	1.650	0.595	92.519	4.896	0.273	0.011	0.019	0.003	0.003
08/21/2025	1033.851	0.626	1.649	0.595	92.517	4.897	0.273	0.011	0.019	0.003	0.003
08/20/2025	1037.911	0.723	1.497	0.597	92.168	5.256	0.315	0.013	0.022	0.003	0.003
08/19/2025	1051.637	1.062	1.112	0.607	90.588	6.799	0.386	0.016	0.028	0.004	0.004
08/18/2025	1042.176	0.876	1.493	0.602	91.314	5.928	0.344	0.014	0.025	0.003	0.004
08/17/2025	1042.198	0.876	1.493	0.602	91.311	5.930	0.344	0.014	0.025	0.003	0.003
08/16/2025	1042.216	0.877	1.492	0.602	91.309	5.933	0.344	0.014	0.025	0.003	0.003
08/15/2025	1042.240	0.878	1.491	0.602	91.306	5.936	0.344	0.014	0.025	0.003	0.003
08/14/2025	1048.940	1.037	1.271	0.607	90.689	6.530	0.408	0.018	0.035	0.005	0.006
08/13/2025	1044.430	0.905	1.439	0.604	91.128	6.103	0.369	0.016	0.030	0.005	0.005