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Gas Quality / Gas Quality By Date

Date Requested: May 21 2026 2:49 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


05/21/2026	1059.710	1.111	0.851	0.611	90.501	6.786	0.590	0.040	0.086	0.015	0.017	0.002	0.002	0.000
05/20/2026	1059.710	1.111	0.851	0.611	90.501	6.786	0.590	0.040	0.086	0.015	0.017	0.002	0.002	0.000
05/19/2026	1053.757	0.948	1.203	0.608	90.885	6.167	0.628	0.041	0.090	0.015	0.017	0.002	0.002	0.001
05/18/2026	1048.787	0.840	1.390	0.605	91.241	5.818	0.564	0.035	0.078	0.013	0.016	0.002	0.002	0.000
05/17/2026	1049.028	0.830	1.448	0.606	91.156	5.850	0.544	0.039	0.090	0.016	0.020	0.004	0.004	0.000
05/16/2026	1046.290	0.740	1.575	0.604	91.369	5.617	0.543	0.037	0.083	0.014	0.017	0.003	0.003	0.000
05/15/2026	1059.405	0.988	1.206	0.612	90.204	6.703	0.692	0.049	0.110	0.019	0.022	0.003	0.003	0.000
05/14/2026	1052.342	0.794	1.483	0.608	90.714	6.264	0.590	0.038	0.083	0.013	0.016	0.003	0.003	0.000
05/13/2026	1043.669	0.753	1.758	0.604	91.248	5.549	0.536	0.037	0.082	0.015	0.017	0.003	0.003	0.000
05/12/2026	1058.407	1.079	1.205	0.613	89.970	6.993	0.577	0.040	0.092	0.017	0.020	0.004	0.004	0.000
05/11/2026	1056.215	1.051	1.281	0.612	90.135	6.796	0.556	0.040	0.094	0.017	0.021	0.004	0.004	0.000
05/10/2026	1043.693	0.762	1.612	0.603	91.408	5.660	0.439	0.026	0.061	0.011	0.014	0.004	0.004	0.000
05/09/2026	1037.957	0.654	1.707	0.598	92.057	5.107	0.380	0.022	0.048	0.009	0.011	0.003	0.003	0.000
05/08/2026	1041.231	0.722	1.619	0.601	91.812	5.268	0.452	0.030	0.066	0.012	0.014	0.002	0.002	0.000
05/07/2026	1069.577	1.298	0.731	0.619	89.485	7.468	0.750	0.061	0.142	0.026	0.030	0.004	0.004	0.000
05/06/2026	1070.056	1.304	0.592	0.618	89.770	7.289	0.763	0.064	0.151	0.027	0.031	0.004	0.004	0.000
05/05/2026	1063.778	1.104	0.734	0.612	90.680	6.473	0.734	0.063	0.146	0.027	0.031	0.004	0.004	0.000
05/04/2026	1068.274	1.220	0.626	0.615	90.157	6.928	0.777	0.067	0.156	0.028	0.032	0.004	0.004	0.000
05/03/2026	1059.922	1.074	0.906	0.611	90.694	6.432	0.653	0.055	0.128	0.023	0.027	0.004	0.004	0.000
05/02/2026	1051.883	0.927	1.276	0.607	90.996	6.054	0.569	0.040	0.093	0.017	0.020	0.004	0.004	0.000
05/01/2026	1049.608	0.872	1.384	0.606	91.101	5.936	0.550	0.036	0.082	0.015	0.018	0.003	0.003	0.000
04/30/2026	1049.247	0.877	1.405	0.606	91.051	5.984	0.529	0.035	0.081	0.015	0.017	0.003	0.003	0.000
04/29/2026	1048.517	0.888	1.403	0.606	91.112	5.920	0.528	0.035	0.078	0.014	0.016	0.003	0.003	0.000
04/28/2026	1047.763	0.847	1.412	0.605	91.294	5.765	0.529	0.035	0.080	0.015	0.017	0.003	0.003	0.000
04/27/2026	1043.770	0.795	1.523	0.603	91.579	5.479	0.491	0.032	0.071	0.012	0.014	0.002	0.002	0.000
04/26/2026	1049.487	0.996	1.320	0.607	90.975	5.995	0.553	0.038	0.086	0.015	0.018	0.002	0.002	0.000
04/25/2026	1048.354	0.977	1.317	0.606	91.089	5.961	0.514	0.034	0.075	0.013	0.015	0.002	0.002	0.000
04/24/2026	1058.796	1.212	0.959	0.613	90.164	6.907	0.583	0.040	0.092	0.017	0.020	0.003	0.003	0.000
04/23/2026	1051.918	1.018	1.243	0.608	90.787	6.243	0.551	0.037	0.083	0.015	0.018	0.003	0.003	0.000
04/22/2026	1050.923	1.041	1.185	0.607	90.894	6.245	0.494	0.033	0.075	0.013	0.015	0.002	0.002	0.000
04/21/2026	1053.126	1.084	1.152	0.609	90.620	6.472	0.527	0.035	0.077	0.014	0.016	0.002	0.002	0.000
04/20/2026	1052.942	1.017	1.183	0.608	90.762	6.345	0.537	0.037	0.083	0.015	0.016	0.002	0.002	0.000
04/19/2026	1048.657	0.933	1.321	0.606	91.157	5.931	0.507	0.036	0.080	0.015	0.017	0.002	0.002	0.000
04/18/2026	1054.137	1.052	1.196	0.610	90.610	6.369	0.592	0.043	0.095	0.018	0.020	0.003	0.003	0.000
04/17/2026	1054.559	1.077	1.157	0.610	90.553	6.472	0.566	0.040	0.091	0.017	0.020	0.003	0.003	0.000
04/16/2026	1041.077	1.048	1.279	0.602	91.984	5.041	0.492	0.036	0.081	0.015	0.017	0.003	0.003	0.000
04/15/2026	1041.077	1.048	1.279	0.602	91.984	5.041	0.492	0.036	0.081	0.015	0.017	0.003	0.003	0.000
04/14/2026	1041.269	1.011	1.233	0.601	92.150	4.961	0.488	0.035	0.081	0.015	0.018	0.003	0.003	0.000
04/13/2026	1039.371	1.015	1.216	0.600	92.393	4.761	0.467	0.033	0.077	0.014	0.017	0.003	0.003	0.000
04/12/2026	1043.713	0.992	1.196	0.602	91.813	5.453	0.427	0.028	0.061	0.012	0.014	0.003	0.003	0.000
04/11/2026	1044.427	1.028	1.073	0.602	92.005	5.286	0.468	0.032	0.072	0.014	0.016	0.003	0.003	0.000
04/10/2026	1037.919	0.917	1.310	0.598	92.433	4.838	0.391	0.025	0.057	0.011	0.013	0.003	0.003	0.000
04/09/2026	1038.993	1.015	1.178	0.599	92.379	4.906	0.410	0.026	0.058	0.011	0.013	0.002	0.002	0.000
04/08/2026	1044.270	1.051	1.177	0.603	91.622	5.620	0.416	0.027	0.059	0.011	0.013	0.003	0.003	0.000
04/07/2026	1044.280	1.051	1.178	0.603	91.619	5.622	0.416	0.027	0.059	0.011	0.013	0.003	0.003	0.000
04/06/2026	1043.382	1.033	1.187	0.603	91.766	5.476	0.421	0.027	0.060	0.011	0.013	0.002	0.002	0.000
04/05/2026	1038.196	0.835	1.398	0.598	92.381	4.864	0.411	0.027	0.058	0.011	0.012	0.002	0.002	0.000
04/04/2026	1038.214	0.902	1.256	0.598	92.600	4.689	0.427	0.030	0.066	0.012	0.014	0.002	0.002	0.000
04/03/2026	1038.113	0.974	1.134	0.598	92.687	4.674	0.418	0.027	0.057	0.011	0.012	0.002	0.002	0.000
04/02/2026	1043.358	1.004	1.113	0.601	92.001	5.344	0.424	0.027	0.058	0.011	0.012	0.002	0.002	0.000
04/01/2026	1037.982	1.042	1.010	0.597	92.835	4.582	0.422	0.027	0.055	0.011	0.012	0.002	0.002	0.000
03/31/2026	1040.672	0.829	1.387	0.600	92.090	5.174	0.412	0.031	0.051	0.011	0.011	0.002	0.002	0.000
03/30/2026	1039.953	0.902	1.273	0.599	92.375	4.864	0.456	0.036	0.062	0.013	0.014	0.002	0.002	0.000
03/29/2026	1040.241	0.866	1.255	0.599	92.265	5.159	0.375	0.021	0.039	0.008	0.008	0.002	0.002	0.000
03/28/2026	1041.745	0.940	1.005	0.598	92.564	4.974	0.420	0.024	0.049	0.009	0.011	0.002	0.002	0.000
03/27/2026	1037.219	0.942	1.109	0.596	92.911	4.516	0.423	0.024	0.050	0.010	0.011	0.002	0.002	0.000
03/26/2026	1040.807	0.788	1.325	0.598	92.250	5.163	0.379	0.023	0.049	0.009	0.010	0.002	0.002	0.000
03/25/2026	1044.133	1.001	0.847	0.599	92.507	5.100	0.443	0.026	0.053	0.009	0.010	0.002	0.002	0.000
03/24/2026	1045.061	1.057	0.818	0.600	92.362	5.207	0.440	0.028	0.060	0.011	0.013	0.002	0.002	0.000
03/23/2026	1045.146	1.108	0.756	0.600	92.402	5.169	0.439	0.029	0.065	0.012	0.014	0.002	0.002	0.000
03/22/2026	1043.280	0.952	1.007	0.599	92.345	5.188	0.401	0.025	0.055	0.010	0.012	0.002	0.002	0.000
03/21/2026	1039.873	0.838	1.194	0.597	92.568	4.932	0.370	0.022	0.049	0.009	0.011	0.003	0.003	0.000
03/20/2026	1040.461	0.778	1.312	0.598	92.321	5.146	0.351	0.021	0.046	0.009	0.010	0.002	0.002	0.000
03/19/2026	1038.282	0.802	1.199	0.596	92.792	4.772	0.347	0.022	0.046	0.008	0.009	0.002	0.002	0.000
03/18/2026	1042.141	0.813	1.168	0.598	92.402	5.136	0.383	0.024	0.050	0.009	0.011	0.002	0.002	0.000
03/17/2026	1039.349	0.860	1.147	0.597	92.788	4.658	0.435	0.027	0.058	0.010	0.012	0.002	0.002	0.000
03/16/2026	1037.717	0.802	1.301	0.596	92.709	4.694	0.388	0.025	0.052	0.011	0.012	0.002	0.002	0.001
03/15/2026	1044.277	0.748	1.376	0.600	91.765	5.647	0.370	0.022	0.048	0.009	0.010	0.002	0.002	0.000
03/14/2026	1035.448	0.779	1.334	0.595	92.925	4.500	0.372	0.022	0.047	0.008	0.009	0.001	0.001	0.000
03/13/2026	1040.505	0.724	1.366	0.598	92.318	5.140	0.357	0.023	0.048	0.010	0.011	0.002	0.002	0.000
03/12/2026	1040.708	0.797	1.239	0.598	92.507	4.940	0.407	0.026	0.057	0.011	0.012	0.002	0.002	0.000
03/11/2026	1038.879	0.752	1.245	0.596	92.732	4.827	0.353	0.022	0.048	0.009	0.010	0.001	0.001	0.000
03/10/2026	1037.475	0.658	1.562	0.597	92.345	5.028	0.325	0.020	0.042	0.008	0.008	0.001	0.001	0.000
03/09/2026	1041.269	0.792	1.247	0.598	92.379	5.095	0.389	0.024	0.050	0.009	0.010	0.002	0.002	0.000
03/08/2026	1044.276	0.904	1.055	0.600	92.256	5.237	0.433	0.028	0.061	0.011	0.012	0.002	0.002	0.000
03/07/2026	1041.745	0.853	1.187	0.599	92.351	5.085	0.407	0.025	0.056	0.013	0.013	0.002	0.002	0.006
03/06/2026	1037.524	0.827	1.251	0.596	92.797	4.615	0.407	0.025	0.054	0.010	0.011	0.002	0.002	0.000
03/05/2026	1040.009	0.781	1.241	0.597	92.486	5.063	0.355	0.020	0.039	0.007	0.007	0.001	0.001	0.000
03/04/2026	1041.170	0.853	1.041	0.597	92.665	4.974	0.393	0.021	0.038	0.006	0.006	0.001	0.001	0.000
03/03/2026	1042.484	0.807	1.074	0.597	92.588	5.008	0.440	0.025	0.042	0.007	0.006	0.001	0.001	0.000
03/02/2026	1045.005	0.821	1.093	0.599	92.312	5.176	0.482	0.031	0.060	0.010	0.011	0.002	0.002	0.000
03/01/2026	1039.212	0.879	1.072	0.596	92.899	4.608	0.447	0.026	0.048	0.008	0.009	0.002	0.002	0.000
02/28/2026	1041.007	0.905	1.024	0.597	92.728	4.797	0.448	0.026	0.051	0.009	0.010	0.002	0.002	0.000
02/27/2026	1040.018	0.938	0.944	0.596	92.827	4.846	0.374	0.019	0.036	0.006	0.007	0.002	0.002	0.000
02/26/2026	1039.557	0.844	1.148	0.597	92.585	5.015	0.344	0.017	0.033	0.006	0.006	0.001	0.001	0.000
02/25/2026	1039.576	0.777	1.289	0.597	92.405	5.122	0.343	0.017	0.033	0.005	0.006	0.001	0.001	0.000
02/24/2026	1043.003	0.758	1.278	0.599	91.991	5.592	0.325	0.016	0.029	0.005	0.005	0.001	0.001	0.000
02/23/2026	1037.015	0.839	1.345	0.597	92.445	4.968	0.347	0.016	0.029	0.005	0.005	0.001	0.001	0.000
02/22/2026	1036.277	0.733	1.506	0.597	92.404	4.960	0.340	0.016	0.029	0.005	0.005	0.001	0.001	0.000
02/21/2026	1034.422	0.641	1.492	0.594	92.852	4.652	0.312	0.015	0.027	0.004	0.004	0.001	0.001	0.000
02/20/2026	1039.643	0.940	0.847	0.595	93.087	4.667	0.392	0.020	0.035	0.006	0.005	0.001	0.001	0.000
02/19/2026	1040.422	0.833	0.993	0.595	92.828	4.943	0.344	0.017	0.031	0.005	0.004	0.001	0.001	0.000
02/18/2026	1044.921	0.806	1.080	0.599	92.112	5.592	0.353	0.017	0.030	0.005	0.004	0.001	0.001	0.000
02/17/2026	1037.166	0.741	1.251	0.595	92.869	4.737	0.347	0.016	0.029	0.004	0.004	0.001	0.001	0.000