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Gas Quality / Gas Quality By Date

Date Requested: Mar 14 2026 3:14 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


03/14/2026	1061.750	0.945	2.020	0.622	87.734	8.610	0.600	0.024	0.048	0.007	0.008	0.002	0.002
03/13/2026	1061.750	0.945	2.020	0.622	87.734	8.610	0.600	0.024	0.048	0.007	0.008	0.002	0.002
03/12/2026	1060.021	0.929	1.961	0.620	88.105	8.332	0.588	0.023	0.046	0.006	0.006	0.002	0.002
03/11/2026	1058.570	0.888	2.189	0.620	87.823	8.448	0.574	0.021	0.042	0.005	0.006	0.002	0.002
03/10/2026	1063.926	0.954	1.658	0.619	88.288	8.404	0.592	0.027	0.053	0.008	0.009	0.003	0.003
03/09/2026	1063.119	0.956	1.614	0.618	88.488	8.252	0.587	0.027	0.054	0.008	0.009	0.003	0.003
03/08/2026	1063.976	0.939	1.750	0.620	88.073	8.555	0.594	0.024	0.047	0.007	0.007	0.002	0.002
03/07/2026	1067.681	0.933	1.933	0.624	87.171	9.271	0.615	0.021	0.041	0.005	0.006	0.002	0.002
03/06/2026	1061.226	0.876	1.758	0.617	88.409	8.386	0.511	0.018	0.031	0.004	0.004	0.001	0.001
03/05/2026	1063.642	0.961	1.532	0.618	88.480	8.407	0.551	0.020	0.036	0.005	0.005	0.002	0.002
03/04/2026	1062.571	0.902	1.605	0.617	88.590	8.283	0.550	0.021	0.036	0.005	0.005	0.002	0.002
03/03/2026	1066.427	0.930	1.534	0.619	88.221	8.669	0.573	0.022	0.038	0.005	0.005	0.002	0.002
03/02/2026	1077.789	0.951	2.116	0.633	85.422	10.770	0.672	0.020	0.036	0.004	0.004	0.001	0.001
03/01/2026	1067.432	0.953	1.632	0.621	87.847	8.897	0.585	0.024	0.045	0.006	0.006	0.002	0.002
02/28/2026	1065.797	0.974	1.478	0.619	88.322	8.590	0.564	0.021	0.037	0.005	0.005	0.002	0.002
02/27/2026	1063.895	0.935	1.566	0.618	88.398	8.515	0.518	0.019	0.035	0.005	0.005	0.002	0.002
02/26/2026	1059.045	0.875	1.664	0.615	88.900	8.009	0.489	0.018	0.032	0.004	0.005	0.002	0.002
02/25/2026	1057.039	0.867	1.698	0.614	89.096	7.790	0.488	0.018	0.032	0.004	0.004	0.002	0.002
02/24/2026	1064.112	0.873	1.856	0.620	87.834	8.838	0.539	0.018	0.031	0.004	0.004	0.001	0.001
02/23/2026	1071.216	0.938	2.087	0.628	86.279	10.032	0.607	0.018	0.031	0.003	0.003	0.001	0.001
02/22/2026	1063.370	0.904	2.233	0.624	87.025	9.193	0.591	0.017	0.031	0.003	0.003	0.000	0.000
02/21/2026	1061.598	0.886	2.196	0.622	87.336	8.975	0.558	0.016	0.028	0.002	0.002	0.000	0.000
02/20/2026	1062.239	0.949	1.549	0.617	88.599	8.324	0.522	0.018	0.031	0.004	0.004	0.001	0.001
02/19/2026	1066.542	0.927	1.987	0.624	87.128	9.311	0.593	0.018	0.030	0.003	0.002	0.000	0.000
02/18/2026	1057.151	0.900	1.301	0.610	89.897	7.381	0.457	0.019	0.033	0.004	0.005	0.001	0.001
02/17/2026	1053.128	0.838	1.450	0.608	90.189	7.023	0.444	0.017	0.030	0.003	0.003	0.001	0.001
02/16/2026	1061.985	0.828	1.651	0.616	88.674	8.262	0.528	0.018	0.031	0.003	0.003	0.001	0.001
02/15/2026	1057.318	0.873	1.723	0.614	88.946	7.927	0.481	0.016	0.027	0.003	0.002	0.001	0.001
02/14/2026	1057.568	0.882	1.748	0.615	88.871	7.939	0.508	0.016	0.028	0.003	0.003	0.001	0.001
02/13/2026	1066.786	0.909	2.090	0.625	86.937	9.381	0.627	0.019	0.032	0.003	0.003	0.000	0.000
02/12/2026	1056.856	0.821	1.821	0.614	88.977	7.781	0.543	0.018	0.031	0.003	0.003	0.001	0.001
02/11/2026	1056.528	0.816	1.787	0.614	89.085	7.736	0.523	0.018	0.030	0.003	0.003	0.001	0.001
02/10/2026	1057.486	0.878	1.649	0.614	89.095	7.843	0.485	0.016	0.027	0.003	0.003	0.001	0.001
02/09/2026	1058.607	0.900	1.592	0.614	89.041	7.920	0.498	0.016	0.027	0.003	0.003	0.001	0.001
02/08/2026	1056.978	0.895	1.721	0.615	88.972	7.867	0.491	0.016	0.027	0.003	0.004	0.002	0.002
02/07/2026	1064.618	0.832	1.988	0.621	87.537	9.069	0.518	0.017	0.030	0.003	0.004	0.002	0.002
02/06/2026	1076.370	0.908	2.182	0.632	85.492	10.731	0.628	0.018	0.032	0.003	0.003	0.001	0.001
02/05/2026	1072.177	0.871	2.141	0.628	86.177	10.163	0.594	0.017	0.030	0.003	0.003	0.001	0.001
02/04/2026	1064.118	0.840	1.965	0.621	87.640	8.968	0.533	0.017	0.028	0.003	0.003	0.001	0.001
02/03/2026	1062.108	0.825	1.863	0.618	88.169	8.582	0.497	0.019	0.031	0.004	0.004	0.003	0.003
02/02/2026	1075.807	0.885	2.114	0.631	85.840	10.439	0.642	0.027	0.039	0.006	0.005	0.002	0.002
02/01/2026	1076.337	0.887	2.055	0.630	85.915	10.406	0.654	0.028	0.039	0.006	0.005	0.002	0.002
01/31/2026	1075.669	0.872	1.992	0.629	86.198	10.204	0.645	0.030	0.043	0.007	0.006	0.003	0.003
01/30/2026	1072.032	0.889	1.865	0.626	86.915	9.614	0.622	0.032	0.043	0.007	0.006	0.003	0.003
01/29/2026	1059.064	0.840	1.540	0.613	89.302	7.766	0.468	0.028	0.035	0.007	0.006	0.004	0.004
01/28/2026	1057.394	0.792	1.568	0.612	89.408	7.782	0.405	0.013	0.023	0.003	0.003	0.002	0.002
01/27/2026	1063.456	0.829	1.705	0.617	88.301	8.635	0.476	0.016	0.028	0.003	0.003	0.001	0.001
01/26/2026	1063.530	0.822	1.721	0.618	88.374	8.468	0.545	0.021	0.039	0.004	0.004	0.001	0.001
01/25/2026	1059.166	0.860	1.638	0.615	88.911	8.090	0.452	0.015	0.026	0.003	0.003	0.001	0.001
01/24/2026	1057.079	0.870	1.713	0.614	88.989	7.925	0.451	0.015	0.027	0.003	0.003	0.001	0.001
01/23/2026	1058.840	0.859	1.886	0.617	88.432	8.279	0.492	0.016	0.028	0.003	0.004	0.002	0.002
01/22/2026	1053.645	0.821	1.789	0.612	89.397	7.476	0.459	0.016	0.029	0.004	0.004	0.002	0.002
01/21/2026	1055.745	0.848	1.773	0.614	89.073	7.800	0.459	0.014	0.024	0.003	0.003	0.001	0.001
01/20/2026	1057.666	0.844	1.819	0.615	88.717	8.118	0.458	0.014	0.023	0.002	0.002	0.001	0.001
01/19/2026	1059.512	0.881	1.970	0.619	88.082	8.523	0.497	0.015	0.025	0.003	0.003	0.001	0.001
01/18/2026	1060.251	0.907	1.916	0.619	88.047	8.589	0.492	0.015	0.026	0.003	0.003	0.001	0.001
01/17/2026	1073.523	1.002	2.196	0.632	85.601	10.514	0.633	0.018	0.031	0.003	0.002	0.000	0.000
01/16/2026	1063.507	0.944	1.848	0.621	87.781	8.816	0.550	0.018	0.032	0.004	0.004	0.001	0.001
01/15/2026	1057.430	0.878	1.749	0.615	88.901	7.915	0.500	0.017	0.030	0.004	0.004	0.001	0.001
01/14/2026	1057.485	0.860	1.847	0.616	88.732	7.990	0.507	0.018	0.033	0.005	0.005	0.002	0.002
01/13/2026	1060.000	0.883	1.691	0.616	88.727	8.113	0.524	0.018	0.033	0.004	0.004	0.002	0.002
01/12/2026	1058.797	0.903	1.599	0.615	89.037	7.892	0.505	0.018	0.033	0.005	0.005	0.002	0.002
01/11/2026	1060.709	0.950	1.615	0.617	88.635	8.230	0.508	0.018	0.031	0.004	0.004	0.001	0.001
01/10/2026	1061.708	0.939	1.545	0.616	88.732	8.182	0.540	0.019	0.033	0.004	0.004	0.002	0.002
01/09/2026	1059.974	0.902	1.667	0.616	88.786	8.033	0.538	0.021	0.039	0.006	0.006	0.002	0.002
01/08/2026	1058.538	0.887	1.656	0.615	89.009	7.861	0.511	0.021	0.039	0.006	0.006	0.002	0.002
01/07/2026	1058.079	0.889	1.621	0.614	89.153	7.743	0.516	0.021	0.040	0.006	0.006	0.002	0.002
01/06/2026	1056.709	0.886	1.667	0.614	89.182	7.704	0.496	0.018	0.034	0.005	0.005	0.002	0.002
01/05/2026	1062.101	0.970	1.650	0.618	88.375	8.399	0.538	0.020	0.036	0.005	0.005	0.002	0.002
01/04/2026	1071.269	0.966	2.102	0.629	86.225	10.002	0.644	0.019	0.033	0.003	0.004	0.001	0.001
01/03/2026	1069.989	0.975	2.078	0.628	86.430	9.811	0.642	0.019	0.035	0.004	0.004	0.001	0.001
01/02/2026	1063.868	0.925	1.993	0.622	87.503	8.916	0.595	0.020	0.036	0.004	0.004	0.001	0.001
01/01/2026	1067.588	0.888	2.260	0.627	86.493	9.671	0.632	0.018	0.031	0.003	0.003	0.001	0.001
12/31/2025	1062.767	0.878	2.144	0.622	87.366	8.978	0.573	0.018	0.033	0.004	0.004	0.001	0.001
12/30/2025	1061.351	0.894	2.074	0.621	87.686	8.706	0.573	0.019	0.035	0.004	0.005	0.001	0.001
12/29/2025	1061.374	0.915	2.095	0.622	87.589	8.757	0.582	0.019	0.033	0.004	0.004	0.001	0.001
12/28/2025	1062.142	0.950	1.886	0.621	87.911	8.598	0.585	0.020	0.037	0.004	0.005	0.001	0.001
12/27/2025	1061.828	0.947	1.875	0.620	87.980	8.555	0.573	0.020	0.037	0.005	0.005	0.002	0.002
12/26/2025	1060.085	0.888	2.014	0.620	88.035	8.405	0.588	0.020	0.037	0.005	0.005	0.002	0.002
12/25/2025	1056.526	0.853	2.072	0.617	88.384	8.079	0.550	0.018	0.033	0.004	0.004	0.001	0.001
12/24/2025	1057.591	0.841	2.084	0.618	88.282	8.167	0.551	0.020	0.039	0.005	0.006	0.002	0.002
12/23/2025	1060.128	0.864	2.012	0.619	88.180	8.217	0.637	0.026	0.051	0.005	0.005	0.002	0.002
12/22/2025	1058.270	0.839	2.007	0.618	88.436	8.027	0.614	0.023	0.043	0.004	0.004	0.001	0.001
12/21/2025	1063.802	0.934	1.834	0.621	87.939	8.574	0.633	0.026	0.048	0.005	0.005	0.002	0.002
12/20/2025	1066.473	0.997	1.824	0.623	87.383	9.145	0.579	0.022	0.038	0.005	0.005	0.001	0.001
12/19/2025	1064.835	0.956	1.881	0.622	87.551	8.972	0.565	0.022	0.037	0.006	0.005	0.002	0.002
12/18/2025	1059.003	0.923	1.845	0.618	88.405	8.251	0.511	0.019	0.034	0.005	0.005	0.002	0.002
12/17/2025	1055.469	0.861	1.934	0.615	88.791	7.848	0.495	0.020	0.036	0.005	0.005	0.002	0.002
12/16/2025	1069.227	0.956	2.031	0.627	86.735	9.543	0.651	0.024	0.047	0.005	0.005	0.001	0.001
12/15/2025	1062.280	0.893	2.016	0.621	87.669	8.817	0.544	0.019	0.033	0.004	0.004	0.001	0.001
12/14/2025	1063.057	0.909	2.086	0.623	87.394	8.990	0.551	0.020	0.038	0.005	0.005	0.001	0.001
12/13/2025	1068.106	0.972	2.121	0.627	86.555	9.683	0.599	0.021	0.039	0.004	0.004	0.001	0.001
12/12/2025	1069.408	0.992	2.064	0.628	86.547	9.667	0.647	0.024	0.045	0.005	0.006	0.002	0.002
12/11/2025	1069.998	0.952	2.258	0.629	86.093	9.969	0.655	0.022	0.040	0.004	0.004	0.001	0.001