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Gas Quality / Gas Quality By Date

Date Requested: Oct 15 2025 3:05 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


10/15/2025	1046.258	0.953	1.283	0.604	91.229	6.068	0.374	0.023	0.047	0.008	0.009	0.003	0.003	0.000
10/14/2025	1046.258	0.953	1.283	0.604	91.229	6.068	0.374	0.023	0.047	0.008	0.009	0.003	0.003	0.000
10/13/2025	1046.440	0.957	1.259	0.604	91.226	6.108	0.364	0.021	0.043	0.008	0.009	0.003	0.003	0.000
10/12/2025	1046.664	0.957	1.303	0.605	91.135	6.126	0.383	0.024	0.048	0.008	0.009	0.003	0.003	0.000
10/11/2025	1046.539	0.950	1.370	0.605	91.026	6.164	0.393	0.025	0.050	0.008	0.009	0.003	0.003	0.000
10/10/2025	1041.838	0.882	1.499	0.602	91.369	5.849	0.330	0.018	0.036	0.006	0.006	0.002	0.002	0.000
10/09/2025	1035.185	0.718	1.733	0.598	92.043	5.138	0.298	0.017	0.035	0.006	0.007	0.002	0.002	0.000
10/08/2025	1029.829	0.597	1.914	0.595	92.560	4.587	0.282	0.016	0.030	0.005	0.005	0.002	0.002	0.000
10/07/2025	1045.883	0.949	1.340	0.604	91.148	6.093	0.383	0.022	0.044	0.007	0.008	0.002	0.002	0.000
10/06/2025	1048.601	1.039	1.220	0.606	90.831	6.457	0.381	0.020	0.037	0.006	0.006	0.002	0.002	0.000
10/05/2025	1052.356	1.054	1.181	0.609	90.577	6.612	0.457	0.029	0.060	0.011	0.012	0.004	0.004	0.000
10/04/2025	1044.737	0.987	1.242	0.603	91.382	5.951	0.366	0.019	0.036	0.006	0.006	0.002	0.002	0.000
10/03/2025	1043.780	1.008	1.239	0.603	91.372	6.003	0.334	0.014	0.023	0.003	0.003	0.001	0.001	0.000
10/02/2025	1043.084	0.983	1.321	0.603	91.411	5.858	0.359	0.019	0.035	0.006	0.006	0.002	0.002	0.000
10/01/2025	1040.964	0.947	1.435	0.602	91.503	5.694	0.352	0.018	0.034	0.006	0.006	0.002	0.002	0.000
09/30/2025	1049.459	0.957	1.211	0.605	90.881	6.530	0.357	0.018	0.031	0.005	0.005	0.002	0.002	0.000
09/29/2025	1052.778	1.099	1.047	0.608	90.533	6.872	0.382	0.018	0.033	0.006	0.006	0.002	0.002	0.000
09/28/2025	1048.888	1.040	1.363	0.608	90.507	6.593	0.417	0.022	0.040	0.007	0.007	0.002	0.002	0.000
09/27/2025	1058.459	1.223	1.125	0.615	89.448	7.659	0.457	0.023	0.045	0.007	0.008	0.002	0.002	0.000
09/26/2025	1053.691	1.010	1.323	0.610	90.027	7.162	0.402	0.020	0.038	0.007	0.007	0.002	0.002	0.000
09/25/2025	1048.365	0.878	1.450	0.606	90.727	6.484	0.376	0.021	0.042	0.008	0.009	0.003	0.003	0.000
09/24/2025	1045.957	0.899	1.487	0.605	90.947	6.167	0.408	0.023	0.045	0.008	0.009	0.003	0.003	0.000
09/23/2025	1053.975	1.119	1.221	0.611	90.160	6.897	0.480	0.030	0.061	0.011	0.013	0.004	0.004	0.000
09/22/2025	1054.974	1.139	1.259	0.612	89.866	7.154	0.461	0.029	0.060	0.011	0.012	0.004	0.004	0.000
09/21/2025	1052.906	1.064	1.355	0.611	90.093	6.903	0.464	0.030	0.061	0.011	0.012	0.004	0.004	0.000
09/20/2025	1057.014	1.190	1.283	0.615	89.421	7.504	0.497	0.028	0.054	0.009	0.009	0.003	0.003	0.000
09/19/2025	1057.660	1.224	1.265	0.616	89.307	7.604	0.493	0.028	0.054	0.009	0.010	0.003	0.003	0.000
09/18/2025	1047.611	0.982	1.494	0.608	90.638	6.303	0.469	0.028	0.058	0.010	0.011	0.003	0.003	0.000
09/17/2025	1050.702	1.123	1.345	0.610	90.219	6.746	0.458	0.027	0.054	0.009	0.010	0.003	0.003	0.002
09/16/2025	1064.722	1.439	1.009	0.621	88.521	8.393	0.529	0.028	0.056	0.009	0.010	0.003	0.003	0.000
09/15/2025	1064.099	1.366	1.083	0.620	88.803	7.970	0.624	0.037	0.077	0.014	0.016	0.005	0.005	0.000
09/14/2025	1063.551	1.199	1.303	0.619	89.244	7.166	0.796	0.064	0.147	0.028	0.032	0.010	0.010	0.000
09/13/2025	1058.092	1.117	1.381	0.615	89.806	6.716	0.724	0.057	0.128	0.024	0.028	0.009	0.009	0.000
09/12/2025	1052.623	1.025	1.524	0.612	90.284	6.274	0.661	0.051	0.115	0.022	0.026	0.009	0.009	0.000
09/11/2025	1065.132	1.233	1.285	0.621	89.008	7.378	0.806	0.064	0.145	0.028	0.032	0.010	0.010	0.000
09/10/2025	1052.516	0.999	1.529	0.611	90.236	6.423	0.604	0.047	0.105	0.020	0.023	0.007	0.007	0.000
09/09/2025	1052.075	0.929	1.554	0.610	90.309	6.455	0.567	0.041	0.091	0.018	0.020	0.007	0.007	0.000
09/08/2025	1045.426	0.839	1.656	0.606	90.950	5.910	0.525	0.030	0.061	0.010	0.011	0.004	0.004	0.000
09/07/2025	1045.275	0.845	1.548	0.605	91.122	5.893	0.493	0.026	0.051	0.008	0.008	0.003	0.003	0.000
09/06/2025	1049.122	0.953	1.440	0.608	90.580	6.454	0.486	0.024	0.047	0.006	0.006	0.002	0.002	0.000
09/05/2025	1048.750	0.922	1.399	0.606	90.622	6.617	0.385	0.016	0.029	0.004	0.003	0.001	0.001	0.000
09/04/2025	1053.910	1.031	1.324	0.611	89.941	7.201	0.443	0.018	0.032	0.004	0.004	0.001	0.001	0.000
09/03/2025	1052.630	1.001	1.344	0.610	90.091	7.094	0.418	0.017	0.029	0.003	0.003	0.001	0.001	0.000
09/02/2025	1054.097	1.039	1.305	0.611	89.915	7.258	0.429	0.017	0.030	0.003	0.003	0.001	0.001	0.000
09/01/2025	1041.667	0.823	1.838	0.605	90.793	6.079	0.404	0.018	0.034	0.004	0.004	0.001	0.001	0.000
08/31/2025	1037.019	0.782	1.806	0.601	91.498	5.505	0.356	0.015	0.028	0.004	0.004	0.001	0.001	0.000
08/30/2025	1044.447	0.926	1.459	0.604	91.016	6.173	0.378	0.015	0.026	0.003	0.003	0.001	0.001	0.000
08/29/2025	1042.862	0.882	1.544	0.604	91.154	5.985	0.375	0.017	0.030	0.005	0.005	0.002	0.002	0.000
08/28/2025	1043.382	0.871	1.503	0.603	91.205	5.987	0.376	0.017	0.029	0.005	0.005	0.002	0.002	0.000
08/27/2025	1042.839	0.865	1.457	0.602	91.353	5.907	0.373	0.014	0.023	0.003	0.003	0.001	0.001	0.000
08/26/2025	1066.032	1.334	0.929	0.619	88.695	8.425	0.553	0.020	0.034	0.004	0.004	0.001	0.001	0.000
08/25/2025	1057.502	1.099	1.086	0.611	89.950	7.295	0.499	0.021	0.037	0.005	0.005	0.001	0.001	0.000
08/24/2025	1042.531	0.827	1.432	0.601	91.571	5.738	0.377	0.017	0.029	0.004	0.004	0.001	0.001	0.000
08/23/2025	1052.055	0.989	1.341	0.609	90.337	6.768	0.482	0.023	0.043	0.006	0.007	0.002	0.002	0.000
08/22/2025	1048.429	0.938	1.331	0.606	90.818	6.458	0.393	0.018	0.031	0.005	0.005	0.002	0.002	0.000
08/21/2025	1044.475	0.800	1.431	0.602	91.350	6.016	0.353	0.015	0.026	0.004	0.003	0.001	0.001	0.000
08/20/2025	1035.488	0.666	1.651	0.596	92.292	5.031	0.303	0.016	0.027	0.005	0.005	0.003	0.003	0.000
08/19/2025	1040.213	0.814	1.501	0.600	91.718	5.565	0.344	0.017	0.030	0.005	0.005	0.001	0.001	0.000
08/18/2025	1037.941	0.758	1.611	0.599	91.853	5.392	0.341	0.014	0.024	0.003	0.003	0.001	0.001	0.000
08/17/2025	1044.597	0.873	1.495	0.604	91.026	6.189	0.371	0.014	0.024	0.003	0.003	0.001	0.001	0.000
08/16/2025	1049.339	1.023	1.361	0.608	90.405	6.766	0.394	0.016	0.027	0.003	0.003	0.001	0.001	0.000
08/15/2025	1044.249	0.917	1.488	0.604	91.013	6.152	0.370	0.016	0.030	0.005	0.005	0.002	0.002	0.000
08/14/2025	1043.644	0.915	1.450	0.604	91.167	6.053	0.360	0.016	0.028	0.004	0.004	0.001	0.001	0.000
08/13/2025	1039.730	0.810	1.534	0.600	91.673	5.608	0.327	0.014	0.025	0.003	0.003	0.001	0.001	0.000
08/12/2025	1041.538	0.822	1.465	0.601	91.638	5.652	0.365	0.017	0.031	0.005	0.005	0.001	0.001	0.000
08/11/2025	1073.929	1.340	0.601	0.621	88.615	8.683	0.654	0.030	0.055	0.008	0.009	0.002	0.002	0.000
08/10/2025	1043.948	0.886	1.360	0.602	91.471	5.823	0.386	0.020	0.038	0.006	0.006	0.002	0.002	0.000
08/09/2025	1049.539	1.079	1.281	0.608	90.648	6.405	0.479	0.027	0.054	0.009	0.010	0.003	0.003	0.000
08/08/2025	1046.490	1.060	1.316	0.606	90.938	6.155	0.437	0.024	0.047	0.008	0.009	0.003	0.003	0.000
08/07/2025	1040.099	0.943	1.386	0.601	91.630	5.687	0.313	0.013	0.021	0.003	0.003	0.001	0.001	0.000
08/06/2025	1039.065	0.836	1.477	0.600	91.819	5.502	0.318	0.014	0.024	0.003	0.003	0.001	0.001	0.000
08/05/2025	1053.485	1.182	0.957	0.609	90.425	7.000	0.385	0.017	0.027	0.003	0.003	0.001	0.001	0.000
08/04/2025	1059.923	1.294	0.819	0.613	89.687	7.721	0.429	0.017	0.027	0.003	0.003	0.001	0.001	0.000
08/03/2025	1056.663	1.252	0.945	0.612	89.897	7.448	0.410	0.016	0.026	0.003	0.003	0.001	0.001	0.000
08/02/2025	1059.021	1.335	0.740	0.613	89.938	7.474	0.454	0.019	0.032	0.004	0.003	0.001	0.001	0.000
08/01/2025	1057.722	1.201	0.798	0.610	90.338	7.135	0.442	0.023	0.043	0.007	0.007	0.003	0.003	0.000
07/31/2025	1053.560	1.125	0.802	0.606	90.997	6.580	0.423	0.021	0.039	0.006	0.006	0.001	0.001	0.000
07/30/2025	1047.784	0.897	1.308	0.604	91.077	6.231	0.422	0.019	0.034	0.004	0.004	0.001	0.001	0.000
07/29/2025	1047.841	1.002	1.270	0.606	90.948	6.276	0.429	0.021	0.039	0.006	0.006	0.002	0.002	0.000
07/28/2025	1057.887	1.179	1.043	0.613	89.888	7.279	0.515	0.026	0.050	0.007	0.008	0.002	0.002	0.000
07/27/2025	1056.498	1.179	0.955	0.611	90.165	7.163	0.469	0.021	0.036	0.005	0.005	0.001	0.001	0.000
07/26/2025	1057.722	1.262	0.823	0.611	90.038	7.406	0.414	0.018	0.030	0.004	0.003	0.001	0.001	0.000
07/25/2025	1053.016	1.115	1.061	0.609	90.426	6.944	0.393	0.019	0.032	0.004	0.004	0.001	0.001	0.000
07/24/2025	1051.602	1.084	1.076	0.607	90.650	6.740	0.387	0.019	0.033	0.005	0.004	0.001	0.001	0.000
07/23/2025	1056.870	1.183	1.057	0.612	89.851	7.390	0.446	0.022	0.038	0.005	0.005	0.001	0.001	0.000
07/22/2025	1057.991	1.237	1.015	0.613	89.656	7.580	0.452	0.019	0.031	0.004	0.003	0.001	0.001	0.000
07/21/2025	1069.318	1.405	0.718	0.620	88.557	8.737	0.523	0.021	0.032	0.004	0.003	0.001	0.001	0.000
07/20/2025	1072.505	1.532	0.555	0.622	88.215	9.125	0.514	0.021	0.032	0.004	0.003	0.000	0.000	0.000
07/19/2025	1070.654	1.525	0.496	0.620	88.576	8.863	0.478	0.021	0.033	0.004	0.003	0.001	0.001	0.000
07/18/2025	1073.073	1.612	0.587	0.624	87.843	9.413	0.489	0.019	0.030	0.003	0.003	0.000	0.000	0.000
07/17/2025	1050.209	0.996	0.982	0.604	91.113	6.563	0.312	0.012	0.017	0.002	0.002	0.000	0.000	0.000
07/16/2025	1064.815	1.478	0.856	0.620	88.552	8.616	0.451	0.016	0.026	0.003	0.002	0.000	0.000	0.000
07/15/2025	1073.104	1.660	0.739	0.627	87.469	9.495	0.577	0.020	0.032	0.003	0.003	0.000	0.000	0.000
07/14/2025	1074.157	1.718	0.652	0.627	87.384	9.624	0.568	0.019	0.030	0.003	0.002	0.000	0.000	0.000