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Gas Quality / Gas Quality By Date

Date Requested: Jan 14 2026 2:30 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


01/14/2026	1005.642	0.062	1.750	0.569	96.952	1.207	0.027	0.001	0.001
01/13/2026	1004.982	0.059	1.790	0.569	96.951	1.173	0.026	0.001	0.001
01/12/2026	1005.231	0.065	1.772	0.569	96.955	1.172	0.032	0.002	0.002
01/11/2026	1004.555	0.043	1.773	0.568	97.079	1.080	0.023	0.001	0.001
01/10/2026	1005.881	0.059	1.783	0.569	96.852	1.276	0.028	0.002	0.001
01/09/2026	1005.866	0.061	1.780	0.569	96.855	1.275	0.028	0.001	0.001
01/08/2026	1005.877	0.061	1.780	0.569	96.855	1.274	0.028	0.001	0.001
01/07/2026	1005.885	0.062	1.778	0.569	96.856	1.273	0.029	0.001	0.001
01/06/2026	1005.870	0.063	1.778	0.569	96.855	1.273	0.028	0.001	0.001
01/05/2026	1005.869	0.063	1.778	0.569	96.855	1.272	0.029	0.001	0.001
01/04/2026	1005.862	0.064	1.778	0.569	96.853	1.273	0.029	0.001	0.001
01/03/2026	1005.821	0.066	1.779	0.569	96.852	1.273	0.028	0.001	0.001
01/02/2026	1005.820	0.066	1.779	0.569	96.853	1.272	0.028	0.001	0.001
01/01/2026	1005.827	0.066	1.779	0.569	96.852	1.271	0.029	0.002	0.001
12/31/2025	1005.809	0.067	1.781	0.569	96.850	1.271	0.029	0.002	0.001
12/30/2025	1005.782	0.067	1.783	0.569	96.848	1.271	0.029	0.002	0.001
12/29/2025	1005.744	0.069	1.785	0.569	96.843	1.272	0.029	0.001	0.001
12/28/2025	1005.733	0.069	1.787	0.569	96.841	1.271	0.030	0.002	0.001
12/27/2025	1005.709	0.069	1.789	0.569	96.839	1.271	0.030	0.002	0.001
12/26/2025	1005.693	0.069	1.792	0.569	96.834	1.272	0.030	0.002	0.001
12/25/2025	1005.665	0.069	1.795	0.569	96.831	1.272	0.030	0.002	0.001
12/24/2025	1005.636	0.069	1.798	0.569	96.827	1.273	0.030	0.002	0.001
12/23/2025	1005.615	0.069	1.802	0.569	96.821	1.276	0.030	0.002	0.001
12/22/2025	1005.591	0.068	1.807	0.569	96.813	1.279	0.029	0.002	0.001
12/21/2025	1005.565	0.068	1.811	0.569	96.806	1.283	0.029	0.001	0.001
12/20/2025	1005.566	0.067	1.815	0.570	96.800	1.286	0.029	0.002	0.001
12/19/2025	1005.555	0.066	1.819	0.570	96.795	1.289	0.028	0.001	0.001
12/18/2025	1005.538	0.064	1.823	0.570	96.792	1.291	0.028	0.001	0.001
12/17/2025	1005.497	0.062	1.828	0.570	96.788	1.292	0.028	0.001	0.001
12/16/2025	1005.449	0.061	1.833	0.570	96.787	1.290	0.027	0.001	0.001
12/15/2025	1005.389	0.060	1.838	0.570	96.784	1.289	0.027	0.001	0.001
12/14/2025	1005.350	0.059	1.840	0.570	96.785	1.288	0.026	0.001	0.001
12/13/2025	1005.285	0.057	1.844	0.569	96.787	1.286	0.026	0.000	0.001
12/12/2025	1005.231	0.056	1.847	0.569	96.788	1.284	0.025	0.000	0.001
12/11/2025	1005.175	0.055	1.851	0.569	96.786	1.283	0.024	0.000	0.000
12/10/2025	1005.120	0.055	1.854	0.569	96.786	1.281	0.023	0.000	0.000
12/09/2025	1005.062	0.053	1.858	0.569	96.788	1.278	0.023	0.000	0.000
12/08/2025	1005.007	0.052	1.861	0.569	96.790	1.275	0.022	0.000	0.000
12/07/2025	1004.961	0.052	1.862	0.569	96.791	1.273	0.021	0.000	0.000
12/06/2025	1004.924	0.052	1.863	0.569	96.795	1.269	0.021	0.000	0.000
12/05/2025	1004.931	0.052	1.861	0.569	96.799	1.267	0.021	0.000	0.000
12/04/2025	1004.836	0.052	1.869	0.569	96.794	1.266	0.021	0.000	0.000
12/03/2025	1004.607	0.052	1.888	0.569	96.777	1.262	0.020	0.000	0.000
12/02/2025	1004.627	0.052	1.886	0.569	96.780	1.262	0.020	0.000	0.000
12/01/2025	1003.596	0.054	1.926	0.569	96.817	1.185	0.019	0.000	0.000
11/30/2025	1003.952	0.053	1.928	0.569	96.769	1.228	0.022	0.000	0.000
11/29/2025	1003.761	0.054	1.911	0.569	96.829	1.186	0.020	0.000	0.000
11/28/2025	1003.362	0.053	1.937	0.569	96.822	1.168	0.019	0.000	0.000
11/27/2025	1003.606	0.050	1.896	0.569	96.895	1.139	0.020	0.000	0.000
11/26/2025	1004.358	0.051	1.909	0.569	96.765	1.254	0.021	0.000	0.000
11/25/2025	1004.211	0.055	1.937	0.570	96.716	1.263	0.028	0.000	0.000
11/24/2025	1003.766	0.050	1.939	0.569	96.775	1.216	0.021	0.000	0.000
11/23/2025	1003.153	0.050	1.934	0.569	96.864	1.133	0.019	0.000	0.000
11/22/2025	1003.985	0.062	1.910	0.569	96.787	1.219	0.022	0.000	0.000
11/21/2025	1005.559	0.069	1.802	0.569	96.819	1.285	0.025	0.000	0.000
11/20/2025	1006.402	0.078	1.799	0.570	96.700	1.394	0.028	0.001	0.001
11/19/2025	1005.378	0.075	1.860	0.570	96.692	1.349	0.023	0.000	0.000
11/18/2025	1005.838	0.058	1.858	0.570	96.674	1.388	0.022	0.000	0.000
11/17/2025	1006.427	0.062	1.847	0.570	96.618	1.447	0.026	0.000	0.000
11/16/2025	1005.769	0.065	1.862	0.570	96.662	1.386	0.024	0.000	0.001
11/15/2025	1006.194	0.061	1.820	0.570	96.728	1.354	0.033	0.002	0.002
11/14/2025	1006.651	0.062	1.803	0.570	96.699	1.404	0.029	0.001	0.001
11/13/2025	1006.837	0.060	1.733	0.569	96.835	1.346	0.025	0.001	0.001
11/12/2025	1005.963	0.065	1.749	0.569	96.908	1.247	0.028	0.001	0.001
11/11/2025	1004.986	0.073	1.768	0.569	96.959	1.178	0.021	0.000	0.000
11/10/2025	1004.879	0.061	1.774	0.569	96.987	1.159	0.020	0.000	0.000
11/09/2025	1005.423	0.058	1.752	0.569	96.978	1.190	0.022	0.000	0.000
11/08/2025	1005.915	0.059	1.819	0.570	96.756	1.339	0.025	0.000	0.001
11/07/2025	1007.366	0.067	1.772	0.570	96.660	1.473	0.026	0.001	0.000
11/06/2025	1006.430	0.067	1.787	0.570	96.744	1.377	0.024	0.000	0.001
11/05/2025	1007.568	0.080	1.819	0.571	96.502	1.568	0.031	0.001	0.001
11/04/2025	1007.010	0.092	1.761	0.570	96.671	1.450	0.026	0.000	0.000
11/03/2025	1006.811	0.101	1.771	0.570	96.658	1.440	0.028	0.001	0.001
11/02/2025	1006.837	0.091	1.768	0.570	96.683	1.430	0.027	0.001	0.000
11/01/2025	1007.097	0.088	1.784	0.571	96.620	1.480	0.027	0.000	0.000
10/31/2025	1008.859	0.091	1.793	0.572	96.394	1.663	0.056	0.002	0.001
10/30/2025	1007.023	0.086	1.802	0.571	96.594	1.489	0.029	0.000	0.000
10/29/2025	1008.384	0.106	1.808	0.572	96.367	1.681	0.035	0.001	0.001
10/28/2025	1005.116	0.087	1.874	0.570	96.664	1.354	0.021	0.000	0.000
10/27/2025	1005.060	0.087	1.880	0.570	96.657	1.355	0.021	0.000	0.000
10/26/2025	1005.051	0.087	1.882	0.570	96.654	1.356	0.021	0.000	0.000
10/25/2025	1005.032	0.086	1.888	0.570	96.645	1.360	0.021	0.000	0.000
10/24/2025	1005.021	0.086	1.891	0.570	96.639	1.363	0.021	0.000	0.000
10/23/2025	1005.088	0.086	1.887	0.570	96.639	1.366	0.021	0.000	0.000
10/22/2025	1005.118	0.086	1.887	0.570	96.635	1.370	0.022	0.000	0.000
10/21/2025	1005.937	0.081	1.896	0.571	96.526	1.470	0.026	0.000	0.001
10/20/2025	1004.635	0.076	1.918	0.570	96.654	1.326	0.025	0.000	0.000
10/19/2025	1005.288	0.070	1.892	0.570	96.641	1.372	0.024	0.000	0.000
10/18/2025	1004.324	0.088	1.885	0.570	96.740	1.265	0.021	0.000	0.000
10/17/2025	1004.319	0.086	1.879	0.570	96.759	1.252	0.023	0.000	0.000
10/16/2025	1004.858	0.063	1.864	0.570	96.781	1.268	0.025	0.000	0.000
10/15/2025	1005.318	0.062	1.848	0.570	96.761	1.304	0.025	0.000	0.000
10/14/2025	1004.991	0.072	1.837	0.569	96.803	1.262	0.025	0.000	0.000
10/13/2025	1004.621	0.070	1.825	0.569	96.884	1.198	0.022	0.000	0.001