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Gas Quality / Gas Quality By Date

Date Requested: Oct 15 2025 2:58 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	1012.991	0.580	0.908	0.573	96.776	1.683	0.050	0.001	0.002
10/14/2025	1012.991	0.580	0.908	0.573	96.776	1.683	0.050	0.001	0.002
10/13/2025	1012.999	0.580	0.909	0.573	96.772	1.685	0.051	0.001	0.002
10/12/2025	1013.011	0.579	0.910	0.573	96.769	1.687	0.051	0.001	0.002
10/11/2025	1013.037	0.577	0.912	0.573	96.767	1.690	0.051	0.001	0.002
10/10/2025	1013.055	0.577	0.914	0.573	96.760	1.693	0.052	0.001	0.002
10/09/2025	1013.063	0.577	0.915	0.573	96.756	1.695	0.052	0.002	0.002
10/08/2025	1013.088	0.576	0.917	0.573	96.753	1.698	0.053	0.002	0.002
10/07/2025	1013.127	0.574	0.919	0.573	96.748	1.702	0.054	0.002	0.002
10/06/2025	1013.150	0.573	0.921	0.573	96.743	1.706	0.054	0.001	0.002
10/05/2025	1013.174	0.572	0.923	0.573	96.738	1.709	0.054	0.002	0.002
10/04/2025	1013.210	0.571	0.925	0.573	96.733	1.713	0.055	0.002	0.002
10/03/2025	1013.237	0.570	0.928	0.573	96.725	1.718	0.056	0.002	0.002
10/02/2025	1013.259	0.570	0.930	0.573	96.718	1.722	0.056	0.002	0.002
10/01/2025	1013.317	0.567	0.934	0.573	96.708	1.730	0.057	0.002	0.002
09/30/2025	1013.346	0.568	0.937	0.573	96.697	1.736	0.058	0.002	0.002
09/29/2025	1013.398	0.566	0.941	0.573	96.685	1.745	0.059	0.002	0.002
09/28/2025	1013.454	0.566	0.947	0.573	96.668	1.756	0.060	0.002	0.002
09/27/2025	1013.559	0.564	0.955	0.574	96.640	1.775	0.062	0.002	0.002
09/26/2025	1013.684	0.561	0.964	0.574	96.613	1.794	0.064	0.002	0.002
09/25/2025	1013.711	0.560	0.966	0.574	96.607	1.798	0.064	0.002	0.002
09/24/2025	1012.595	0.567	0.869	0.572	96.940	1.575	0.045	0.001	0.002
09/23/2025	1012.587	0.568	0.870	0.572	96.938	1.576	0.045	0.001	0.002
09/22/2025	1012.577	0.569	0.869	0.572	96.939	1.574	0.045	0.001	0.002
09/21/2025	1012.577	0.568	0.870	0.572	96.941	1.573	0.045	0.001	0.002
09/20/2025	1012.579	0.567	0.870	0.572	96.942	1.573	0.046	0.001	0.002
09/19/2025	1012.577	0.567	0.869	0.572	96.944	1.571	0.046	0.001	0.002
09/18/2025	1012.576	0.566	0.869	0.572	96.947	1.570	0.046	0.001	0.002
09/17/2025	1012.584	0.565	0.869	0.572	96.948	1.569	0.046	0.001	0.002
09/16/2025	1012.580	0.564	0.869	0.572	96.951	1.567	0.046	0.001	0.002
09/15/2025	1012.582	0.564	0.869	0.572	96.952	1.566	0.046	0.001	0.002
09/14/2025	1012.581	0.564	0.869	0.572	96.952	1.567	0.046	0.001	0.002
09/13/2025	1012.580	0.563	0.869	0.572	96.953	1.566	0.046	0.001	0.002
09/12/2025	1012.575	0.563	0.869	0.572	96.953	1.565	0.046	0.001	0.002
09/11/2025	1012.579	0.562	0.869	0.572	96.956	1.564	0.046	0.001	0.002
09/10/2025	1012.568	0.563	0.869	0.572	96.955	1.563	0.046	0.001	0.002
09/09/2025	1012.555	0.563	0.869	0.572	96.957	1.562	0.046	0.001	0.002
09/08/2025	1012.566	0.561	0.869	0.572	96.961	1.560	0.046	0.001	0.002
09/07/2025	1012.565	0.561	0.868	0.572	96.963	1.558	0.046	0.001	0.002
09/06/2025	1012.587	0.558	0.868	0.572	96.967	1.558	0.046	0.001	0.002
09/05/2025	1012.586	0.557	0.868	0.572	96.968	1.557	0.046	0.001	0.002
09/04/2025	1012.535	0.561	0.869	0.572	96.966	1.554	0.047	0.001	0.002
09/03/2025	1013.035	0.560	0.822	0.572	97.012	1.555	0.047	0.002	0.002
09/02/2025	1012.640	0.559	0.860	0.572	96.978	1.553	0.047	0.002	0.002
09/01/2025	1012.638	0.559	0.859	0.572	96.980	1.552	0.047	0.002	0.002
08/31/2025	1012.637	0.558	0.859	0.572	96.982	1.551	0.047	0.002	0.002
08/30/2025	1012.636	0.557	0.860	0.572	96.983	1.549	0.047	0.002	0.002
08/29/2025	1012.637	0.556	0.860	0.572	96.985	1.548	0.047	0.002	0.002
08/28/2025	1012.627	0.557	0.860	0.572	96.986	1.547	0.048	0.002	0.002
08/27/2025	1012.620	0.557	0.859	0.572	96.988	1.545	0.048	0.002	0.002
08/26/2025	1012.620	0.555	0.859	0.572	96.992	1.542	0.048	0.002	0.002
08/25/2025	1012.625	0.553	0.860	0.572	96.994	1.541	0.048	0.002	0.002
08/24/2025	1012.628	0.553	0.860	0.572	96.996	1.540	0.048	0.002	0.002
08/23/2025	1012.630	0.551	0.860	0.572	96.999	1.538	0.048	0.002	0.002
08/22/2025	1012.636	0.550	0.860	0.572	97.001	1.537	0.048	0.002	0.002
08/21/2025	1012.638	0.548	0.861	0.572	97.005	1.535	0.049	0.002	0.002
08/20/2025	1012.647	0.546	0.861	0.572	97.008	1.533	0.049	0.002	0.002
08/19/2025	1012.644	0.545	0.861	0.572	97.009	1.532	0.049	0.002	0.002
08/18/2025	1012.640	0.546	0.861	0.572	97.009	1.532	0.049	0.002	0.002
08/17/2025	1012.639	0.544	0.861	0.572	97.011	1.531	0.049	0.002	0.002
08/16/2025	1012.646	0.544	0.861	0.572	97.011	1.530	0.049	0.002	0.002
08/15/2025	1012.643	0.544	0.862	0.572	97.012	1.530	0.049	0.002	0.002
08/14/2025	1012.641	0.543	0.862	0.572	97.013	1.529	0.049	0.002	0.002
08/13/2025	1012.640	0.543	0.862	0.572	97.014	1.528	0.050	0.002	0.002
08/12/2025	1012.640	0.542	0.862	0.572	97.015	1.527	0.050	0.002	0.002
08/11/2025	1012.648	0.541	0.863	0.572	97.016	1.527	0.050	0.002	0.002
08/10/2025	1012.646	0.540	0.863	0.572	97.017	1.527	0.050	0.002	0.002
08/09/2025	1012.641	0.540	0.863	0.572	97.018	1.526	0.050	0.002	0.002
08/08/2025	1012.648	0.539	0.863	0.572	97.018	1.526	0.050	0.002	0.002
08/07/2025	1012.651	0.539	0.864	0.572	97.018	1.526	0.050	0.002	0.002
08/06/2025	1012.647	0.539	0.864	0.572	97.018	1.525	0.050	0.002	0.002
08/05/2025	1012.647	0.538	0.864	0.572	97.019	1.524	0.050	0.002	0.002
08/04/2025	1012.645	0.538	0.865	0.572	97.019	1.524	0.050	0.002	0.002
08/03/2025	1012.647	0.537	0.866	0.572	97.019	1.524	0.051	0.002	0.002
08/02/2025	1012.654	0.535	0.866	0.572	97.021	1.523	0.051	0.002	0.002
08/01/2025	1012.661	0.534	0.868	0.572	97.021	1.523	0.051	0.002	0.002
07/31/2025	1012.665	0.532	0.869	0.572	97.021	1.523	0.051	0.002	0.002
07/30/2025	1012.677	0.530	0.870	0.572	97.021	1.523	0.051	0.002	0.002
07/29/2025	1012.677	0.530	0.870	0.572	97.021	1.523	0.051	0.002	0.002
07/28/2025	1012.685	0.529	0.872	0.572	97.021	1.523	0.052	0.002	0.002
07/27/2025	1012.695	0.527	0.873	0.571	97.021	1.523	0.052	0.002	0.002
07/26/2025	1012.702	0.527	0.874	0.572	97.019	1.524	0.052	0.002	0.002
07/25/2025	1012.705	0.526	0.874	0.572	97.019	1.524	0.052	0.002	0.002
07/24/2025	1012.701	0.526	0.875	0.572	97.017	1.525	0.052	0.002	0.002
07/23/2025	1012.705	0.525	0.877	0.572	97.017	1.525	0.052	0.002	0.002
07/22/2025	1012.719	0.524	0.878	0.572	97.015	1.526	0.053	0.002	0.002
07/21/2025	1012.719	0.523	0.879	0.572	97.014	1.527	0.053	0.002	0.002
07/20/2025	1012.720	0.522	0.880	0.572	97.013	1.527	0.053	0.002	0.002
07/19/2025	1012.741	0.520	0.882	0.572	97.012	1.529	0.053	0.002	0.002
07/18/2025	1012.749	0.519	0.883	0.572	97.011	1.529	0.053	0.002	0.002
07/17/2025	1012.748	0.519	0.884	0.572	97.009	1.530	0.054	0.002	0.002
07/16/2025	1012.749	0.518	0.886	0.572	97.006	1.532	0.054	0.002	0.003
07/15/2025	1012.765	0.517	0.888	0.572	97.002	1.534	0.054	0.002	0.003
07/14/2025	1012.767	0.517	0.889	0.572	97.000	1.535	0.054	0.002	0.003