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Gas Quality / Gas Quality By Date

Date Requested: May 17 2026 4:41 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


05/17/2026	1008.011	0.055	1.623	0.569	96.959	1.331	0.030	0.002	0.001
05/16/2026	1008.017	0.055	1.624	0.569	96.955	1.333	0.030	0.002	0.001
05/15/2026	1008.021	0.055	1.624	0.569	96.954	1.333	0.030	0.002	0.001
05/14/2026	1008.028	0.055	1.624	0.569	96.954	1.334	0.030	0.002	0.001
05/13/2026	1008.037	0.055	1.623	0.569	96.955	1.334	0.030	0.002	0.001
05/12/2026	1008.046	0.056	1.622	0.569	96.955	1.334	0.030	0.002	0.001
05/11/2026	1008.030	0.056	1.622	0.569	96.954	1.336	0.029	0.001	0.001
05/10/2026	1008.053	0.056	1.621	0.569	96.955	1.335	0.030	0.002	0.001
05/09/2026	1008.055	0.056	1.621	0.569	96.956	1.335	0.029	0.002	0.001
05/08/2026	1008.043	0.056	1.621	0.569	96.954	1.335	0.029	0.002	0.001
05/07/2026	1008.031	0.057	1.622	0.569	96.954	1.336	0.029	0.002	0.001
05/06/2026	1008.000	0.057	1.624	0.569	96.952	1.336	0.029	0.001	0.001
05/05/2026	1007.986	0.057	1.625	0.569	96.951	1.335	0.029	0.002	0.001
05/04/2026	1007.972	0.057	1.626	0.569	96.950	1.334	0.029	0.002	0.001
05/03/2026	1007.946	0.057	1.629	0.569	96.947	1.334	0.029	0.002	0.001
05/02/2026	1007.912	0.057	1.631	0.569	96.946	1.334	0.029	0.002	0.001
05/01/2026	1007.880	0.057	1.635	0.569	96.943	1.334	0.029	0.002	0.001
04/30/2026	1007.885	0.057	1.633	0.569	96.943	1.334	0.028	0.001	0.001
04/29/2026	1007.842	0.057	1.638	0.569	96.939	1.334	0.029	0.002	0.001
04/28/2026	1007.831	0.057	1.640	0.569	96.937	1.334	0.029	0.002	0.001
04/27/2026	1007.813	0.057	1.641	0.569	96.937	1.333	0.029	0.002	0.001
04/26/2026	1007.787	0.057	1.643	0.569	96.935	1.333	0.029	0.001	0.001
04/25/2026	1007.767	0.057	1.645	0.569	96.934	1.332	0.029	0.002	0.001
04/24/2026	1007.732	0.057	1.647	0.569	96.932	1.332	0.029	0.001	0.001
04/23/2026	1007.720	0.057	1.650	0.569	96.930	1.331	0.029	0.002	0.001
04/22/2026	1007.696	0.056	1.651	0.569	96.930	1.330	0.029	0.002	0.001
04/21/2026	1007.661	0.056	1.654	0.569	96.930	1.328	0.029	0.002	0.001
04/20/2026	1007.616	0.056	1.657	0.569	96.929	1.326	0.029	0.002	0.001
04/19/2026	1007.577	0.055	1.660	0.569	96.929	1.324	0.029	0.002	0.001
04/18/2026	1007.539	0.055	1.663	0.569	96.927	1.323	0.029	0.001	0.001
04/17/2026	1007.542	0.054	1.663	0.569	96.929	1.321	0.030	0.002	0.002
04/16/2026	1007.476	0.054	1.667	0.569	96.927	1.319	0.029	0.002	0.001
04/15/2026	1007.439	0.053	1.670	0.569	96.928	1.316	0.029	0.002	0.001
04/14/2026	1007.421	0.053	1.671	0.569	96.928	1.316	0.029	0.002	0.001
04/13/2026	1007.395	0.052	1.673	0.569	96.928	1.314	0.029	0.002	0.001
04/12/2026	1007.319	0.051	1.679	0.569	96.927	1.311	0.029	0.002	0.001
04/11/2026	1007.309	0.051	1.679	0.569	96.928	1.310	0.029	0.002	0.001
04/10/2026	1007.276	0.051	1.681	0.569	96.929	1.308	0.029	0.002	0.001
04/09/2026	1007.246	0.050	1.683	0.569	96.928	1.306	0.029	0.002	0.001
04/08/2026	1007.191	0.049	1.688	0.569	96.927	1.305	0.029	0.002	0.001
04/07/2026	1007.203	0.049	1.688	0.569	96.927	1.304	0.029	0.002	0.001
04/06/2026	1007.163	0.048	1.691	0.569	96.925	1.304	0.028	0.002	0.001
04/05/2026	1007.099	0.048	1.699	0.569	96.917	1.305	0.028	0.002	0.001
04/04/2026	1007.094	0.047	1.700	0.569	96.916	1.306	0.028	0.002	0.001
04/03/2026	1007.064	0.047	1.704	0.569	96.911	1.307	0.028	0.002	0.001
04/02/2026	1007.047	0.046	1.706	0.569	96.910	1.307	0.028	0.002	0.001
04/01/2026	1006.974	0.046	1.712	0.569	96.906	1.305	0.028	0.002	0.001
03/31/2026	1006.940	0.045	1.716	0.569	96.903	1.305	0.028	0.002	0.001
03/30/2026	1006.919	0.045	1.718	0.569	96.902	1.305	0.028	0.002	0.001
03/29/2026	1006.883	0.044	1.722	0.569	96.898	1.305	0.028	0.002	0.001
03/28/2026	1006.887	0.044	1.722	0.569	96.897	1.306	0.028	0.002	0.001
03/27/2026	1006.818	0.043	1.727	0.569	96.894	1.305	0.027	0.001	0.001
03/26/2026	1006.801	0.043	1.730	0.569	96.892	1.305	0.027	0.002	0.001
03/25/2026	1006.808	0.042	1.730	0.569	96.893	1.305	0.027	0.002	0.001
03/24/2026	1006.755	0.042	1.736	0.569	96.887	1.306	0.027	0.002	0.001
03/23/2026	1006.739	0.041	1.738	0.569	96.885	1.307	0.027	0.001	0.001
03/22/2026	1006.732	0.041	1.739	0.569	96.884	1.307	0.026	0.002	0.001
03/21/2026	1006.720	0.040	1.741	0.569	96.882	1.308	0.026	0.001	0.001
03/20/2026	1006.687	0.040	1.745	0.569	96.878	1.309	0.026	0.001	0.001
03/19/2026	1006.704	0.039	1.744	0.569	96.879	1.309	0.026	0.001	0.001
03/18/2026	1006.694	0.039	1.745	0.569	96.878	1.309	0.026	0.001	0.001
03/17/2026	1006.672	0.039	1.746	0.569	96.878	1.309	0.026	0.001	0.001
03/16/2026	1006.619	0.039	1.748	0.569	96.877	1.309	0.025	0.001	0.001
03/15/2026	1006.624	0.038	1.749	0.569	96.879	1.307	0.025	0.001	0.001
03/14/2026	1006.603	0.038	1.750	0.569	96.880	1.305	0.025	0.001	0.001
03/13/2026	1006.560	0.038	1.752	0.569	96.881	1.302	0.025	0.001	0.001
03/12/2026	1006.507	0.038	1.753	0.569	96.884	1.299	0.024	0.001	0.001
03/11/2026	1006.441	0.039	1.754	0.569	96.886	1.296	0.024	0.000	0.001
03/10/2026	1006.435	0.038	1.755	0.569	96.890	1.292	0.024	0.001	0.001
03/09/2026	1006.397	0.038	1.756	0.569	96.891	1.289	0.024	0.001	0.001
03/08/2026	1006.355	0.038	1.757	0.569	96.894	1.286	0.024	0.001	0.001
03/07/2026	1006.307	0.038	1.758	0.569	96.897	1.282	0.024	0.001	0.001
03/06/2026	1006.204	0.038	1.764	0.569	96.898	1.274	0.024	0.001	0.001
03/05/2026	1006.207	0.038	1.762	0.569	96.901	1.274	0.023	0.001	0.001
03/04/2026	1006.166	0.038	1.764	0.569	96.901	1.272	0.024	0.001	0.001
03/03/2026	1006.151	0.038	1.765	0.569	96.901	1.271	0.023	0.001	0.001
03/02/2026	1006.131	0.038	1.767	0.569	96.901	1.270	0.023	0.001	0.001
03/01/2026	1006.131	0.038	1.768	0.569	96.899	1.271	0.024	0.001	0.001
02/28/2026	1006.143	0.038	1.768	0.569	96.897	1.272	0.024	0.001	0.001
02/27/2026	1006.164	0.038	1.767	0.569	96.895	1.275	0.024	0.001	0.001
02/26/2026	1006.168	0.038	1.768	0.569	96.891	1.277	0.024	0.001	0.001
02/25/2026	1006.198	0.038	1.768	0.569	96.889	1.280	0.024	0.001	0.001
02/24/2026	1006.430	0.037	1.754	0.569	96.906	1.268	0.030	0.002	0.002
02/23/2026	1006.190	0.045	1.793	0.569	96.816	1.318	0.027	0.000	0.001
02/22/2026	1016.745	0.074	1.764	0.576	95.531	2.517	0.107	0.004	0.003
02/21/2026	1017.219	0.074	1.765	0.577	95.470	2.574	0.110	0.004	0.003
02/20/2026	1017.806	0.074	1.766	0.577	95.397	2.642	0.114	0.004	0.003
02/19/2026	1018.252	0.073	1.767	0.577	95.340	2.694	0.118	0.004	0.003
02/18/2026	1018.766	0.072	1.771	0.578	95.273	2.755	0.122	0.004	0.004
02/17/2026	1019.316	0.072	1.770	0.578	95.206	2.818	0.126	0.004	0.004
02/16/2026	1019.930	0.071	1.773	0.578	95.126	2.891	0.131	0.004	0.004
02/15/2026	1020.735	0.071	1.777	0.579	95.019	2.989	0.137	0.004	0.004
02/14/2026	1021.293	0.071	1.777	0.579	94.952	3.051	0.142	0.004	0.004
02/13/2026	1021.796	0.071	1.783	0.580	94.877	3.115	0.146	0.004	0.004