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Gas Quality / Gas Quality By Date

Date Requested: Apr 14 2026 11:40 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


04/14/2026	1076.557	1.059	2.675	0.640	83.692	11.691	0.675	0.020	0.030	0.002	0.002	0.127	0.027
04/13/2026	1084.593	1.095	2.769	0.646	82.557	12.554	0.827	0.024	0.037	0.002	0.003	0.105	0.028
04/12/2026	1084.003	1.102	2.727	0.646	82.655	12.480	0.797	0.027	0.044	0.002	0.004	0.135	0.027
04/11/2026	1082.847	1.094	2.662	0.644	82.885	12.358	0.746	0.026	0.043	0.002	0.003	0.154	0.027
04/10/2026	1079.889	1.105	2.736	0.643	83.112	12.127	0.722	0.023	0.036	0.001	0.002	0.108	0.028
04/09/2026	1079.975	1.105	2.728	0.643	83.082	12.128	0.744	0.021	0.032	0.001	0.002	0.130	0.027
04/08/2026	1080.883	1.115	2.675	0.643	83.044	12.196	0.740	0.023	0.034	0.001	0.002	0.145	0.027
04/07/2026	1080.209	1.095	2.728	0.643	82.995	12.198	0.722	0.023	0.037	0.002	0.002	0.170	0.028
04/06/2026	1078.411	1.127	2.869	0.644	82.854	12.189	0.721	0.022	0.035	0.001	0.002	0.149	0.029
04/05/2026	1080.239	1.093	2.727	0.643	83.090	12.072	0.769	0.025	0.040	0.002	0.003	0.151	0.027
04/04/2026	1080.926	1.103	2.713	0.644	83.046	12.173	0.755	0.023	0.036	0.002	0.002	0.119	0.028
04/03/2026	1079.647	1.113	2.861	0.645	82.795	12.243	0.756	0.022	0.035	0.002	0.002	0.142	0.029
04/02/2026	1078.423	1.097	2.821	0.643	83.033	12.082	0.725	0.022	0.035	0.001	0.002	0.154	0.028
04/01/2026	1079.870	1.107	2.739	0.643	83.017	12.156	0.733	0.023	0.036	0.002	0.002	0.158	0.027
03/31/2026	1080.073	1.127	2.821	0.645	82.834	12.215	0.780	0.021	0.033	0.002	0.003	0.136	0.028
03/30/2026	1079.876	1.119	2.735	0.643	83.043	12.122	0.752	0.022	0.034	0.001	0.002	0.142	0.027
03/29/2026	1077.807	1.138	2.776	0.643	83.111	12.025	0.709	0.023	0.035	0.001	0.002	0.152	0.028
03/28/2026	1078.864	1.109	2.748	0.643	83.063	12.158	0.677	0.022	0.035	0.000	0.003	0.157	0.028
03/27/2026	1079.944	1.108	2.764	0.644	82.971	12.159	0.751	0.023	0.037	0.002	0.002	0.155	0.028
03/26/2026	1078.698	1.102	2.726	0.642	83.232	12.002	0.723	0.020	0.031	0.001	0.002	0.133	0.027
03/25/2026	1079.868	1.095	2.840	0.644	82.907	12.285	0.702	0.022	0.033	0.001	0.002	0.084	0.029
03/24/2026	1081.384	1.123	2.790	0.645	82.760	12.426	0.717	0.023	0.035	0.001	0.002	0.095	0.028
03/23/2026	1081.913	1.114	2.803	0.645	82.817	12.345	0.773	0.023	0.036	0.002	0.002	0.056	0.028
03/22/2026	1084.655	1.086	2.712	0.646	82.817	12.414	0.827	0.024	0.038	0.002	0.004	0.048	0.027
03/21/2026	1086.167	1.067	2.695	0.646	82.731	12.502	0.849	0.026	0.043	0.002	0.004	0.055	0.027
03/20/2026	1084.386	1.058	2.609	0.644	83.165	12.190	0.818	0.027	0.046	0.003	0.004	0.054	0.027
03/19/2026	1082.666	1.028	2.490	0.641	83.705	11.851	0.782	0.025	0.042	0.002	0.004	0.046	0.025
03/18/2026	1080.859	1.050	2.638	0.642	83.507	11.887	0.767	0.025	0.040	0.002	0.004	0.053	0.027
03/17/2026	1075.952	1.079	2.755	0.641	83.676	11.598	0.720	0.022	0.034	0.002	0.003	0.083	0.028
03/16/2026	1080.014	1.059	2.634	0.642	83.543	11.796	0.783	0.026	0.037	0.002	0.003	0.090	0.027
03/15/2026	1084.178	1.068	2.759	0.646	82.915	12.078	0.939	0.040	0.062	0.005	0.005	0.100	0.028
03/14/2026	1083.333	1.051	2.590	0.643	83.278	12.079	0.801	0.029	0.048	0.002	0.003	0.091	0.027
03/13/2026	1086.127	1.076	2.727	0.647	82.644	12.512	0.882	0.026	0.039	0.002	0.003	0.062	0.028
03/12/2026	1083.210	1.064	2.730	0.645	82.994	12.311	0.781	0.023	0.036	0.002	0.002	0.029	0.028
03/11/2026	1085.247	1.075	2.710	0.646	82.823	12.418	0.837	0.026	0.044	0.002	0.004	0.034	0.027
03/10/2026	1083.874	1.076	2.678	0.645	83.077	12.205	0.828	0.027	0.045	0.003	0.004	0.031	0.027
03/09/2026	1083.948	1.072	2.538	0.643	83.348	11.998	0.855	0.028	0.048	0.003	0.004	0.080	0.026
03/08/2026	1084.786	1.089	2.658	0.645	82.844	12.406	0.803	0.028	0.048	0.002	0.004	0.091	0.027
03/07/2026	1099.639	1.083	2.589	0.654	81.219	13.987	0.918	0.030	0.052	0.003	0.004	0.089	0.026
03/06/2026	1094.590	1.043	2.460	0.649	82.145	13.322	0.837	0.026	0.042	0.002	0.003	0.095	0.025
03/05/2026	1090.764	1.039	2.428	0.646	82.682	12.870	0.797	0.024	0.038	0.002	0.003	0.092	0.025
03/04/2026	1094.057	1.051	2.511	0.649	82.059	13.377	0.820	0.024	0.038	0.002	0.003	0.089	0.026
03/03/2026	1094.941	1.052	2.453	0.649	82.053	13.476	0.792	0.023	0.036	0.002	0.003	0.085	0.025
03/02/2026	1092.959	1.054	2.497	0.648	82.150	13.366	0.759	0.022	0.033	0.002	0.002	0.089	0.026
03/01/2026	1093.037	1.046	2.491	0.648	82.175	13.368	0.752	0.021	0.032	0.002	0.003	0.083	0.026
02/28/2026	1092.814	1.035	2.501	0.648	82.274	13.211	0.804	0.024	0.037	0.002	0.003	0.083	0.026
02/27/2026	1091.899	1.012	2.405	0.646	82.645	12.975	0.776	0.025	0.042	0.002	0.003	0.089	0.025
02/26/2026	1090.644	1.017	2.408	0.645	82.825	12.751	0.805	0.027	0.044	0.002	0.004	0.091	0.026
02/25/2026	1093.389	1.002	2.399	0.647	82.589	12.977	0.850	0.028	0.044	0.002	0.003	0.081	0.026
02/24/2026	1090.392	1.011	2.438	0.645	82.732	12.897	0.739	0.025	0.040	0.002	0.003	0.087	0.026
02/23/2026	1091.466	1.003	2.428	0.646	82.674	13.029	0.725	0.023	0.036	0.002	0.003	0.052	0.026
02/22/2026	1083.119	1.004	2.401	0.640	83.698	11.996	0.705	0.023	0.037	0.002	0.003	0.107	0.025
02/21/2026	1076.599	1.012	2.471	0.637	84.382	11.199	0.734	0.023	0.037	0.002	0.002	0.111	0.026
02/20/2026	1076.630	1.014	2.501	0.637	84.370	11.253	0.719	0.021	0.032	0.001	0.002	0.060	0.026
02/19/2026	1080.094	1.019	2.445	0.639	84.074	11.512	0.789	0.022	0.032	0.001	0.002	0.078	0.025
02/18/2026	1081.142	1.025	2.395	0.639	84.054	11.536	0.815	0.023	0.034	0.002	0.002	0.088	0.025
02/17/2026	1081.407	1.007	2.353	0.639	84.128	11.558	0.782	0.022	0.034	0.002	0.002	0.087	0.025
02/16/2026	1081.452	1.005	2.356	0.639	84.141	11.569	0.771	0.022	0.034	0.002	0.002	0.072	0.025
02/15/2026	1081.204	0.996	2.380	0.639	84.155	11.512	0.790	0.024	0.037	0.002	0.002	0.077	0.025
02/14/2026	1082.487	1.005	2.335	0.639	84.039	11.710	0.753	0.022	0.035	0.002	0.002	0.072	0.025
02/13/2026	1093.893	1.007	2.274	0.646	82.761	12.993	0.809	0.024	0.036	0.002	0.002	0.068	0.024
02/12/2026	1084.869	1.036	2.410	0.642	83.480	12.159	0.756	0.023	0.034	0.002	0.002	0.073	0.025
02/11/2026	1079.610	1.019	2.406	0.638	84.186	11.479	0.744	0.023	0.034	0.002	0.002	0.079	0.026
02/10/2026	1080.329	1.017	2.396	0.639	84.139	11.512	0.771	0.022	0.032	0.001	0.002	0.081	0.025
02/09/2026	1080.942	1.031	2.474	0.640	83.895	11.647	0.796	0.023	0.034	0.002	0.002	0.071	0.026
02/08/2026	1079.700	1.009	2.363	0.638	84.308	11.469	0.716	0.021	0.031	0.001	0.002	0.054	0.026
02/07/2026	1079.027	1.028	2.453	0.639	84.183	11.408	0.769	0.024	0.036	0.002	0.002	0.069	0.027
02/06/2026	1083.569	1.014	2.347	0.640	83.928	11.703	0.839	0.024	0.037	0.002	0.003	0.078	0.025
02/05/2026	1095.306	1.022	2.308	0.647	82.401	13.286	0.802	0.023	0.035	0.002	0.002	0.093	0.024
02/04/2026	1095.292	1.025	2.358	0.648	82.274	13.333	0.818	0.023	0.035	0.002	0.002	0.106	0.025
02/03/2026	1095.245	1.019	2.422	0.648	82.137	13.377	0.837	0.023	0.035	0.002	0.003	0.120	0.025
02/02/2026	1093.697	1.010	2.407	0.647	82.428	13.200	0.797	0.022	0.032	0.002	0.002	0.075	0.026
02/01/2026	1094.460	1.003	2.434	0.648	82.295	13.349	0.776	0.022	0.032	0.002	0.003	0.058	0.026
01/31/2026	1096.349	1.004	2.376	0.648	82.140	13.509	0.786	0.024	0.037	0.002	0.003	0.094	0.025
01/30/2026	1095.392	0.991	2.292	0.647	82.538	13.212	0.788	0.027	0.043	0.002	0.003	0.079	0.025
01/29/2026	1094.229	0.977	2.226	0.645	82.830	12.974	0.792	0.026	0.042	0.002	0.003	0.103	0.025
01/28/2026	1089.668	0.949	2.118	0.640	83.582	12.394	0.724	0.024	0.037	0.002	0.002	0.145	0.024
01/27/2026	1085.030	0.934	2.059	0.637	84.267	11.828	0.670	0.022	0.035	0.001	0.002	0.159	0.024
01/26/2026	1086.354	0.933	2.072	0.638	84.225	11.903	0.679	0.026	0.042	0.002	0.002	0.092	0.024
01/25/2026	1087.335	0.929	2.024	0.638	84.408	11.722	0.753	0.032	0.054	0.002	0.003	0.050	0.024
01/24/2026	1078.094	0.988	2.210	0.635	84.783	11.300	0.578	0.021	0.033	0.001	0.002	0.058	0.025
01/23/2026	1077.150	1.025	2.492	0.638	84.296	11.378	0.675	0.023	0.036	0.002	0.002	0.044	0.027
01/22/2026	1080.458	1.008	2.378	0.638	84.165	11.550	0.731	0.024	0.036	0.002	0.002	0.077	0.026
01/21/2026	1080.997	1.009	2.370	0.639	84.086	11.621	0.733	0.024	0.037	0.002	0.002	0.090	0.025
01/20/2026	1081.692	1.014	2.456	0.640	83.831	11.793	0.743	0.024	0.037	0.002	0.002	0.072	0.027
01/19/2026	1078.180	1.015	2.521	0.638	84.044	11.531	0.707	0.022	0.034	0.001	0.002	0.095	0.027
01/18/2026	1079.543	1.026	2.533	0.640	83.851	11.721	0.703	0.023	0.036	0.002	0.002	0.077	0.027
01/17/2026	1081.487	1.045	2.569	0.642	83.467	12.030	0.717	0.023	0.035	0.002	0.002	0.085	0.027
01/16/2026	1083.528	1.065	2.609	0.644	83.160	12.206	0.784	0.026	0.041	0.002	0.002	0.077	0.027
01/15/2026	1085.196	1.058	2.618	0.645	83.039	12.391	0.775	0.026	0.042	0.002	0.002	0.020	0.028
01/14/2026	1082.377	1.041	2.510	0.641	83.586	11.912	0.782	0.025	0.038	0.002	0.002	0.077	0.027
01/13/2026	1082.752	1.032	2.548	0.642	83.531	11.874	0.838	0.027	0.040	0.002	0.002	0.079	0.027
01/12/2026	1083.417	1.032	2.611	0.643	83.361	12.040	0.824	0.026	0.040	0.002	0.002	0.035	0.027
01/11/2026	1084.091	1.025	2.578	0.643	83.381	12.083	0.817	0.025	0.038	0.002	0.002	0.022	0.027