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Gas Quality / Gas Quality By Date

Date Requested: Oct 18 2025 6:05 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


10/18/2025	1063.472	0.591	2.138	0.618	88.080	8.429	0.697	0.022	0.036	0.003	0.002	0.001	0.001
10/17/2025	1066.217	0.613	2.123	0.620	87.739	8.734	0.724	0.022	0.037	0.003	0.002	0.001	0.001
10/16/2025	1065.642	0.608	2.126	0.620	87.810	8.671	0.718	0.022	0.037	0.003	0.002	0.001	0.001
10/15/2025	1064.644	0.600	2.133	0.619	87.933	8.561	0.708	0.022	0.036	0.003	0.002	0.001	0.001
10/14/2025	1065.985	0.611	2.124	0.620	87.768	8.708	0.722	0.022	0.037	0.003	0.003	0.001	0.001
10/13/2025	1070.634	0.650	2.092	0.623	87.201	9.218	0.769	0.024	0.039	0.003	0.002	0.001	0.001
10/12/2025	1066.074	0.580	2.264	0.621	87.475	8.913	0.708	0.020	0.033	0.003	0.002	0.001	0.001
10/11/2025	1088.844	0.864	1.280	0.630	86.323	10.613	0.832	0.029	0.048	0.005	0.003	0.001	0.001
10/10/2025	1077.604	0.761	1.707	0.625	86.937	9.761	0.757	0.026	0.043	0.004	0.003	0.001	0.001
10/09/2025	1074.944	0.665	1.856	0.624	87.168	9.470	0.759	0.026	0.045	0.004	0.003	0.001	0.001
10/08/2025	1089.097	0.751	1.275	0.628	86.617	10.398	0.855	0.032	0.057	0.006	0.005	0.001	0.001
10/07/2025	1090.964	0.677	1.232	0.628	86.662	10.455	0.870	0.033	0.058	0.006	0.005	0.001	0.001
10/06/2025	1076.321	0.781	1.566	0.623	87.385	9.437	0.749	0.027	0.045	0.005	0.003	0.001	0.001
10/05/2025	1076.296	0.782	1.566	0.623	87.388	9.435	0.748	0.027	0.045	0.005	0.003	0.001	0.001
10/04/2025	1075.990	0.783	1.554	0.623	87.449	9.388	0.744	0.027	0.045	0.005	0.004	0.001	0.001
10/03/2025	1078.772	0.811	1.519	0.625	87.207	9.536	0.837	0.029	0.049	0.005	0.004	0.001	0.001
10/02/2025	1061.620	0.019	2.503	0.612	88.724	8.066	0.631	0.018	0.032	0.004	0.003	0.001	0.001
10/01/2025	1061.592	0.018	2.504	0.612	88.725	8.064	0.630	0.018	0.032	0.004	0.003	0.001	0.001
09/30/2025	1061.597	0.018	2.505	0.612	88.723	8.065	0.630	0.018	0.032	0.004	0.003	0.001	0.001
09/29/2025	1061.616	0.018	2.505	0.612	88.720	8.067	0.631	0.018	0.032	0.004	0.003	0.001	0.001
09/28/2025	1061.635	0.018	2.506	0.612	88.718	8.070	0.631	0.018	0.032	0.003	0.003	0.001	0.001
09/27/2025	1061.238	0.018	2.526	0.612	88.703	8.076	0.623	0.018	0.029	0.003	0.002	0.001	0.001
09/26/2025	1056.632	0.029	2.824	0.612	88.571	7.898	0.635	0.014	0.023	0.002	0.002	0.001	0.001
09/25/2025	1056.575	0.027	2.848	0.612	88.541	7.895	0.647	0.015	0.023	0.002	0.001	0.001	0.001
09/24/2025	1059.582	0.040	2.748	0.613	88.403	8.078	0.681	0.017	0.027	0.003	0.002	0.001	0.001
09/23/2025	1065.123	0.245	2.449	0.617	87.940	8.598	0.711	0.019	0.031	0.003	0.002	0.001	0.001
09/22/2025	1068.942	0.243	2.371	0.619	87.742	8.773	0.802	0.024	0.038	0.003	0.003	0.001	0.001
09/21/2025	1064.533	0.214	2.424	0.616	88.149	8.459	0.687	0.022	0.037	0.004	0.003	0.001	0.001
09/20/2025	1054.278	0.176	2.839	0.613	88.526	7.780	0.622	0.018	0.031	0.004	0.003	0.001	0.001
09/19/2025	1056.557	0.141	2.859	0.614	88.293	7.990	0.664	0.017	0.028	0.003	0.003	0.001	0.001
09/18/2025	1055.132	0.129	2.853	0.613	88.510	7.798	0.661	0.015	0.026	0.004	0.002	0.001	0.001
09/17/2025	1052.242	0.114	3.027	0.613	88.498	7.674	0.634	0.017	0.029	0.003	0.003	0.001	0.001
09/16/2025	1059.731	0.121	2.671	0.614	88.416	8.036	0.691	0.021	0.036	0.004	0.003	0.001	0.001
09/15/2025	1055.434	0.106	2.765	0.612	88.659	7.824	0.602	0.015	0.024	0.002	0.002	0.001	0.001
09/14/2025	1045.990	0.031	3.182	0.609	89.000	7.226	0.525	0.012	0.019	0.002	0.002	0.000	0.000
09/13/2025	1049.035	0.442	2.927	0.615	88.340	7.645	0.600	0.015	0.024	0.003	0.003	0.001	0.001
09/12/2025	1053.898	0.030	2.943	0.612	88.631	7.740	0.610	0.015	0.025	0.003	0.002	0.001	0.001
09/11/2025	1057.032	0.028	2.894	0.613	88.483	7.836	0.683	0.022	0.041	0.005	0.005	0.001	0.001
09/10/2025	1050.417	0.088	3.141	0.612	88.570	7.464	0.688	0.017	0.027	0.002	0.002	0.000	0.000
09/09/2025	1050.183	0.084	3.160	0.612	88.561	7.463	0.686	0.016	0.026	0.002	0.001	0.000	0.000
09/08/2025	1050.053	0.081	3.169	0.612	88.562	7.457	0.685	0.016	0.026	0.002	0.002	0.000	0.000
09/07/2025	1049.977	0.080	3.173	0.612	88.565	7.452	0.685	0.016	0.026	0.002	0.002	0.000	0.000
09/06/2025	1050.324	0.093	3.178	0.613	88.509	7.480	0.685	0.017	0.025	0.008	0.004	0.001	0.001
09/05/2025	1051.105	0.089	3.049	0.612	88.692	7.440	0.677	0.018	0.030	0.002	0.002	0.000	0.000
09/04/2025	1051.210	0.134	2.837	0.610	89.069	7.232	0.669	0.020	0.033	0.002	0.002	0.000	0.000
09/03/2025	1064.347	0.429	2.275	0.618	88.259	8.062	0.886	0.031	0.051	0.004	0.003	0.001	0.001
09/02/2025	1062.877	0.401	2.446	0.618	88.086	8.124	0.854	0.030	0.050	0.004	0.003	0.001	0.001
09/01/2025	1078.064	0.401	2.147	0.625	87.171	9.023	1.114	0.047	0.082	0.007	0.005	0.001	0.001
08/31/2025	1078.794	0.409	2.112	0.625	87.146	9.084	1.094	0.048	0.089	0.008	0.007	0.001	0.001
08/30/2025	1073.522	0.365	2.270	0.622	87.395	8.879	0.956	0.041	0.078	0.008	0.007	0.001	0.001
08/29/2025	1064.014	0.154	2.454	0.615	88.364	8.216	0.725	0.026	0.050	0.005	0.004	0.001	0.001
08/28/2025	1072.795	0.199	2.124	0.618	87.910	8.938	0.743	0.023	0.039	0.014	0.008	0.001	0.001
08/27/2025	1069.513	0.211	2.254	0.617	87.952	8.778	0.733	0.024	0.040	0.004	0.003	0.001	0.001
08/26/2025	1067.323	0.298	2.361	0.618	87.851	8.635	0.775	0.025	0.042	0.007	0.004	0.001	0.001
08/25/2025	1066.008	0.301	2.459	0.619	87.793	8.597	0.773	0.023	0.036	0.008	0.006	0.002	0.002
08/24/2025	1065.890	0.276	2.451	0.618	87.850	8.580	0.774	0.023	0.038	0.003	0.003	0.001	0.001
08/23/2025	1059.303	0.164	2.699	0.615	88.274	8.124	0.685	0.018	0.030	0.003	0.002	0.001	0.001
08/22/2025	1063.286	0.017	2.473	0.612	88.602	8.193	0.661	0.018	0.030	0.003	0.002	0.001	0.001
08/21/2025	1074.238	0.052	2.301	0.618	87.797	8.865	0.893	0.030	0.052	0.004	0.003	0.001	0.001
08/20/2025	1068.374	0.224	2.382	0.618	87.858	8.651	0.810	0.026	0.042	0.004	0.003	0.001	0.001
08/19/2025	1056.724	0.051	2.922	0.614	88.332	7.975	0.673	0.016	0.027	0.002	0.002	0.001	0.001
08/18/2025	1063.540	0.210	2.559	0.617	88.073	8.311	0.774	0.024	0.041	0.004	0.003	0.001	0.001
08/17/2025	1063.503	0.209	2.560	0.617	88.075	8.308	0.773	0.024	0.041	0.004	0.003	0.001	0.001
08/16/2025	1057.994	0.170	2.722	0.614	88.384	7.987	0.676	0.020	0.033	0.003	0.003	0.001	0.001
08/15/2025	1053.980	0.038	2.781	0.610	89.029	7.466	0.622	0.021	0.033	0.004	0.003	0.001	0.001
08/14/2025	1056.578	0.032	2.733	0.611	88.776	7.805	0.598	0.018	0.030	0.003	0.002	0.001	0.001
08/13/2025	1069.960	0.360	2.238	0.620	87.679	8.844	0.793	0.028	0.047	0.005	0.003	0.001	0.001
08/12/2025	1065.065	0.200	2.467	0.616	88.082	8.434	0.745	0.023	0.041	0.004	0.003	0.001	0.001
08/11/2025	1058.657	0.269	2.632	0.615	88.292	8.060	0.686	0.021	0.033	0.003	0.002	0.001	0.001
08/10/2025	1061.886	0.353	2.547	0.618	88.004	8.233	0.786	0.025	0.042	0.004	0.003	0.001	0.001
08/09/2025	1067.484	0.593	2.308	0.623	87.430	8.667	0.909	0.031	0.051	0.005	0.004	0.001	0.001
08/08/2025	1056.404	0.338	2.712	0.616	88.190	8.056	0.649	0.019	0.030	0.003	0.002	0.001	0.001
08/07/2025	1056.103	0.334	2.723	0.616	88.205	8.039	0.644	0.018	0.030	0.003	0.002	0.001	0.001
08/06/2025	1055.775	0.331	2.733	0.615	88.224	8.018	0.640	0.018	0.029	0.003	0.002	0.001	0.001
08/05/2025	1055.711	0.330	2.736	0.615	88.229	8.013	0.639	0.018	0.029	0.003	0.002	0.001	0.001
08/04/2025	1066.676	0.471	2.308	0.620	87.648	8.730	0.764	0.026	0.043	0.004	0.003	0.001	0.001
08/03/2025	1074.061	0.521	2.176	0.624	87.060	9.238	0.907	0.033	0.053	0.006	0.004	0.001	0.001
08/02/2025	1058.379	0.360	2.491	0.615	88.421	8.013	0.645	0.023	0.039	0.004	0.003	0.001	0.001
08/01/2025	1058.422	0.361	2.488	0.615	88.418	8.018	0.644	0.023	0.039	0.004	0.003	0.001	0.001
07/31/2025	1058.460	0.363	2.485	0.615	88.416	8.022	0.644	0.023	0.039	0.004	0.003	0.001	0.001
07/30/2025	1058.457	0.364	2.483	0.615	88.418	8.021	0.643	0.023	0.039	0.004	0.003	0.001	0.001
07/29/2025	1058.469	0.364	2.483	0.615	88.416	8.023	0.643	0.023	0.039	0.004	0.003	0.001	0.001
07/28/2025	1058.456	0.364	2.484	0.615	88.417	8.022	0.643	0.023	0.039	0.004	0.003	0.001	0.001
07/27/2025	1059.355	0.355	2.527	0.616	88.279	8.073	0.690	0.025	0.042	0.004	0.003	0.001	0.001
07/26/2025	1060.472	0.338	2.493	0.616	88.264	8.118	0.716	0.023	0.040	0.004	0.003	0.001	0.001
07/25/2025	1055.647	0.138	2.765	0.613	88.651	7.731	0.655	0.017	0.027	0.008	0.005	0.002	0.002
07/24/2025	1057.912	0.476	2.489	0.617	88.273	7.998	0.692	0.021	0.034	0.009	0.005	0.001	0.001
07/23/2025	1057.562	0.466	2.493	0.616	88.304	7.985	0.691	0.020	0.034	0.003	0.002	0.001	0.001
07/22/2025	1057.582	0.469	2.494	0.616	88.292	7.992	0.691	0.020	0.033	0.004	0.002	0.001	0.001
07/21/2025	1057.582	0.465	2.494	0.616	88.300	7.989	0.691	0.020	0.034	0.003	0.003	0.001	0.001
07/20/2025	1057.566	0.466	2.494	0.616	88.300	7.988	0.691	0.020	0.034	0.003	0.003	0.001	0.001
07/19/2025	1060.723	0.532	2.349	0.618	88.085	8.277	0.692	0.022	0.037	0.004	0.002	0.001	0.001
07/18/2025	1063.851	0.575	2.299	0.620	87.722	8.626	0.706	0.024	0.039	0.005	0.003	0.001	0.001
07/17/2025	1027.864	0.036	3.744	0.604	89.821	6.028	0.365	0.003	0.003	0.000	0.000	0.000	0.000