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Gas Quality / Gas Quality By Date

Date Requested: Sep 18 2025 8:55 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


09/18/2025	1087.891	1.195	1.777	0.640	84.055	12.040	0.716	0.019	0.038	0.002	0.002	0.000	0.000	0.155
09/17/2025	1090.904	1.194	1.782	0.642	83.743	12.263	0.792	0.021	0.043	0.003	0.003	0.000	0.000	0.157
09/16/2025	1093.009	1.191	1.784	0.643	83.430	12.515	0.822	0.021	0.041	0.002	0.003	0.000	0.000	0.191
09/15/2025	1092.433	1.162	1.792	0.642	83.524	12.432	0.822	0.021	0.039	0.002	0.003	0.000	0.000	0.205
09/14/2025	1091.166	1.136	1.836	0.641	83.501	12.329	0.851	0.019	0.035	0.002	0.002	0.000	0.000	0.288
09/13/2025	1092.305	1.136	1.904	0.643	83.312	12.307	0.949	0.026	0.051	0.003	0.004	0.000	0.000	0.308
09/12/2025	1088.841	1.116	1.939	0.641	83.639	12.077	0.870	0.021	0.041	0.002	0.002	0.000	0.000	0.292
09/11/2025	1089.197	1.047	2.113	0.642	83.476	12.132	0.910	0.023	0.044	0.002	0.003	0.000	0.000	0.250
09/10/2025	1090.089	1.076	1.802	0.639	83.971	11.944	0.884	0.021	0.041	0.002	0.003	0.000	0.000	0.256
09/09/2025	1084.094	1.078	1.931	0.637	84.335	11.528	0.813	0.018	0.031	0.002	0.002	0.000	0.000	0.263
09/08/2025	1086.784	1.041	2.148	0.640	83.722	11.869	0.913	0.022	0.038	0.002	0.002	0.000	0.000	0.242
09/07/2025	1085.492	1.095	1.804	0.637	84.407	11.555	0.813	0.019	0.035	0.002	0.002	0.000	0.000	0.269
09/06/2025	1088.706	1.085	1.834	0.639	84.029	11.856	0.869	0.022	0.040	0.002	0.002	0.000	0.000	0.262
09/05/2025	1088.864	1.061	1.831	0.639	84.187	11.835	0.844	0.020	0.037	0.002	0.002	0.000	0.000	0.182
09/04/2025	1088.768	1.027	1.999	0.640	84.040	11.842	0.894	0.022	0.039	0.002	0.002	0.000	0.000	0.133
09/03/2025	1089.614	1.075	1.619	0.637	84.640	11.599	0.854	0.022	0.041	0.002	0.002	0.000	0.000	0.147
09/02/2025	1087.259	1.054	1.594	0.635	84.949	11.318	0.829	0.022	0.041	0.002	0.002	0.000	0.000	0.188
09/01/2025	1089.827	1.058	1.595	0.637	84.658	11.522	0.892	0.024	0.046	0.003	0.003	0.000	0.000	0.200
08/31/2025	1088.910	1.060	1.605	0.636	84.621	11.564	0.842	0.023	0.043	0.002	0.003	0.000	0.000	0.236
08/30/2025	1088.440	1.058	1.646	0.636	84.645	11.559	0.828	0.022	0.040	0.002	0.002	0.000	0.000	0.197
08/29/2025	1089.013	1.042	1.791	0.638	84.478	11.670	0.849	0.022	0.042	0.002	0.002	0.000	0.000	0.102
08/28/2025	1084.859	1.013	1.885	0.636	84.713	11.337	0.820	0.022	0.041	0.002	0.002	0.000	0.000	0.166
08/27/2025	1086.389	1.065	1.644	0.635	84.872	11.412	0.771	0.019	0.037	0.002	0.002	0.000	0.000	0.176
08/26/2025	1084.330	0.978	1.380	0.630	86.139	10.674	0.719	0.019	0.035	0.002	0.003	0.000	0.000	0.051
08/25/2025	1061.982	0.759	0.739	0.605	90.726	7.360	0.376	0.010	0.017	0.001	0.001	0.000	0.000	0.010
08/24/2025	1067.446	0.807	0.824	0.610	89.770	8.082	0.454	0.012	0.022	0.002	0.002	0.000	0.000	0.026
08/23/2025	1093.319	1.074	1.560	0.639	84.479	11.888	0.862	0.023	0.045	0.003	0.003	0.000	0.000	0.062
08/22/2025	1091.129	1.093	1.580	0.638	84.547	11.787	0.826	0.021	0.040	0.002	0.003	0.000	0.000	0.101
08/21/2025	1088.360	1.127	1.645	0.637	84.527	11.726	0.770	0.019	0.036	0.002	0.002	0.000	0.000	0.145
08/20/2025	1088.862	1.136	1.687	0.638	84.448	11.767	0.801	0.019	0.035	0.002	0.002	0.000	0.000	0.103
08/19/2025	1089.185	1.112	1.635	0.638	84.565	11.797	0.751	0.018	0.034	0.002	0.002	0.000	0.000	0.084
08/18/2025	1086.216	1.125	1.630	0.636	84.840	11.525	0.711	0.018	0.034	0.002	0.002	0.000	0.000	0.113
08/17/2025	1090.940	1.095	1.631	0.638	84.558	11.906	0.748	0.019	0.038	0.002	0.002	0.000	0.000	0.000
08/16/2025	1092.713	1.075	1.619	0.639	84.440	12.018	0.780	0.021	0.041	0.002	0.002	0.000	0.000	0.000
08/15/2025	1096.123	1.082	1.635	0.642	84.064	12.261	0.878	0.025	0.049	0.002	0.003	0.000	0.000	0.000
08/14/2025	1096.129	1.071	1.607	0.641	84.205	12.114	0.915	0.028	0.053	0.003	0.003	0.000	0.000	0.000
08/13/2025	1097.283	1.112	1.649	0.643	83.814	12.461	0.893	0.023	0.044	0.002	0.002	0.000	0.000	0.000
08/12/2025	1095.656	1.118	1.655	0.642	83.976	12.302	0.881	0.022	0.041	0.002	0.002	0.000	0.000	0.000
08/11/2025	1095.698	1.146	1.676	0.643	83.868	12.353	0.889	0.022	0.042	0.002	0.002	0.000	0.000	0.000
08/10/2025	1098.799	1.139	1.686	0.645	83.501	12.671	0.932	0.023	0.043	0.002	0.002	0.000	0.000	0.000
08/09/2025	1093.520	1.112	1.696	0.641	84.154	12.108	0.862	0.022	0.041	0.002	0.002	0.000	0.000	0.000
08/08/2025	1095.687	1.114	1.911	0.645	83.386	12.638	0.883	0.022	0.041	0.002	0.002	0.000	0.000	0.000
08/07/2025	1095.610	1.129	1.658	0.642	83.901	12.408	0.842	0.020	0.038	0.002	0.002	0.000	0.000	0.000
08/06/2025	1095.477	1.128	1.672	0.642	83.963	12.289	0.859	0.030	0.049	0.004	0.004	0.001	0.001	0.000
08/05/2025	1095.555	1.118	1.664	0.642	83.927	12.401	0.811	0.026	0.045	0.004	0.004	0.000	0.000	0.000
08/04/2025	1101.227	1.138	1.695	0.646	83.255	12.849	0.969	0.031	0.055	0.004	0.004	0.000	0.000	0.000
08/03/2025	1099.959	1.143	1.703	0.646	83.340	12.795	0.930	0.029	0.052	0.004	0.004	0.000	0.000	0.000
08/02/2025	1101.089	1.131	1.694	0.646	83.316	12.779	0.979	0.033	0.058	0.005	0.004	0.001	0.001	0.000
08/01/2025	1099.196	1.136	1.656	0.645	83.594	12.572	0.949	0.031	0.054	0.004	0.004	0.000	0.000	0.000
07/31/2025	1102.562	1.149	1.658	0.647	83.136	12.988	0.988	0.026	0.050	0.003	0.003	0.000	0.000	0.000
07/30/2025	1106.331	1.147	1.654	0.649	82.885	13.078	1.100	0.038	0.082	0.007	0.008	0.001	0.001	0.000
07/29/2025	1104.610	1.136	1.664	0.648	83.015	13.008	1.071	0.032	0.064	0.004	0.005	0.000	0.000	0.000
07/28/2025	1103.393	1.129	1.762	0.648	82.842	13.187	0.997	0.026	0.051	0.003	0.003	0.000	0.000	0.000
07/27/2025	1098.573	1.084	2.008	0.647	82.982	12.720	1.060	0.029	0.058	0.003	0.003	0.000	0.000	0.053
07/26/2025	1099.789	1.145	1.699	0.646	83.385	12.503	1.098	0.029	0.056	0.003	0.003	0.000	0.000	0.079
07/25/2025	1099.952	1.151	1.661	0.645	83.274	12.726	0.995	0.027	0.054	0.003	0.003	0.000	0.000	0.107
07/24/2025	1099.578	1.144	1.654	0.645	83.315	12.689	0.989	0.027	0.053	0.003	0.003	0.000	0.000	0.123
07/23/2025	1099.188	1.135	1.702	0.645	83.283	12.668	0.996	0.028	0.055	0.003	0.003	0.000	0.000	0.128
07/22/2025	1096.951	1.143	1.655	0.643	83.623	12.440	0.946	0.026	0.050	0.002	0.003	0.000	0.000	0.113
07/21/2025	1094.877	1.105	1.641	0.641	83.923	12.275	0.873	0.023	0.043	0.002	0.002	0.000	0.000	0.113
07/20/2025	1092.138	1.102	1.709	0.640	84.048	12.130	0.826	0.021	0.039	0.002	0.002	0.000	0.000	0.123
07/19/2025	1093.073	1.082	1.882	0.642	83.604	12.338	0.884	0.023	0.042	0.002	0.002	0.000	0.000	0.141
07/18/2025	1095.377	1.115	1.694	0.642	83.655	12.435	0.880	0.024	0.045	0.002	0.002	0.000	0.000	0.149
07/17/2025	1103.367	1.123	1.626	0.647	82.988	12.972	1.067	0.030	0.052	0.002	0.002	0.000	0.000	0.137
07/16/2025	1102.999	1.149	1.657	0.647	82.996	12.978	1.060	0.028	0.049	0.002	0.002	0.000	0.000	0.080
07/15/2025	1105.319	1.158	1.745	0.650	82.643	13.177	1.147	0.031	0.054	0.002	0.002	0.000	0.000	0.041
07/14/2025	1097.452	1.116	1.707	0.644	83.642	12.576	0.886	0.023	0.045	0.002	0.003	0.000	0.000	0.000
07/13/2025	1095.961	1.104	1.773	0.643	83.762	12.354	0.928	0.025	0.048	0.003	0.003	0.000	0.000	0.000
07/12/2025	1093.099	1.066	2.009	0.643	83.673	12.250	0.923	0.025	0.049	0.003	0.003	0.000	0.000	0.000
07/11/2025	1094.540	1.150	1.666	0.642	83.986	12.284	0.846	0.022	0.042	0.002	0.002	0.000	0.000	0.000
07/10/2025	1091.640	1.140	1.674	0.640	84.106	12.063	0.822	0.022	0.042	0.002	0.002	0.000	0.000	0.127
07/09/2025	1092.791	1.134	1.712	0.641	83.822	12.285	0.827	0.021	0.039	0.002	0.002	0.000	0.000	0.156
07/08/2025	1095.434	1.159	1.762	0.644	83.392	12.581	0.886	0.023	0.044	0.002	0.002	0.000	0.000	0.149
07/07/2025	1094.953	1.138	1.829	0.644	83.337	12.571	0.889	0.024	0.047	0.003	0.003	0.000	0.000	0.159
07/06/2025	1094.995	1.104	1.902	0.644	83.322	12.628	0.871	0.023	0.043	0.002	0.002	0.000	0.000	0.102
07/05/2025	1098.678	1.158	1.752	0.646	83.119	12.928	0.887	0.023	0.044	0.002	0.002	0.000	0.000	0.084
07/04/2025	1097.456	1.141	1.935	0.647	83.067	12.884	0.902	0.023	0.044	0.002	0.002	0.000	0.000	0.000
07/03/2025	1098.348	1.172	1.729	0.645	83.320	12.840	0.870	0.023	0.042	0.002	0.002	0.000	0.000	0.000
07/02/2025	1097.688	1.153	1.765	0.645	83.387	12.741	0.881	0.024	0.045	0.002	0.002	0.000	0.000	0.000
07/01/2025	1095.824	1.133	1.816	0.644	83.587	12.479	0.911	0.024	0.046	0.002	0.002	0.000	0.000	0.000
06/30/2025	1095.170	1.080	2.066	0.646	83.342	12.422	0.994	0.031	0.057	0.004	0.003	0.000	0.000	0.000
06/29/2025	1095.432	1.118	1.742	0.643	83.808	12.388	0.868	0.024	0.047	0.002	0.003	0.000	0.000	0.000
06/28/2025	1094.287	1.123	1.719	0.642	83.967	12.274	0.843	0.023	0.045	0.002	0.003	0.000	0.000	0.000
06/27/2025	1091.784	1.135	1.682	0.640	84.245	12.116	0.761	0.020	0.037	0.002	0.002	0.000	0.000	0.000
06/26/2025	1088.794	1.119	1.595	0.637	84.776	11.774	0.686	0.016	0.030	0.002	0.002	0.000	0.000	0.000
06/25/2025	1089.282	1.101	1.515	0.636	85.008	11.582	0.738	0.018	0.034	0.002	0.002	0.000	0.000	0.000
06/24/2025	1085.043	1.091	1.454	0.633	85.585	11.204	0.618	0.015	0.029	0.002	0.002	0.000	0.000	0.000
06/23/2025	1084.323	1.095	1.471	0.633	85.612	11.177	0.598	0.015	0.028	0.002	0.002	0.000	0.000	0.000
06/22/2025	1084.662	1.094	1.505	0.633	85.575	11.105	0.663	0.018	0.035	0.002	0.002	0.000	0.000	0.000
06/21/2025	1089.879	1.141	1.670	0.639	84.536	11.809	0.777	0.022	0.041	0.002	0.002	0.000	0.000	0.000
06/20/2025	1086.378	1.124	1.747	0.637	84.783	11.562	0.725	0.019	0.036	0.002	0.002	0.000	0.000	0.000
06/19/2025	1085.192	1.076	1.939	0.638	84.584	11.630	0.720	0.017	0.031	0.002	0.002	0.000	0.000	0.000
06/18/2025	1080.376	1.096	1.621	0.632	85.794	10.820	0.624	0.015	0.027	0.001	0.002	0.000	0.000	0.000
06/17/2025	1083.886	1.112	1.640	0.634	85.368	11.110	0.714	0.018	0.034	0.002	0.002	0.000	0.000	0.000