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Gas Quality / Gas Quality By Date

Date Requested: Aug 04 2026 8:55 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


08/04/2026	1087.691	1.772	0.724	0.638	86.080	10.279	0.916	0.055	0.120	0.020	0.021	0.007	0.007
08/03/2026	1090.554	1.682	0.705	0.638	86.001	10.436	0.938	0.056	0.123	0.021	0.022	0.008	0.008
08/02/2026	1087.006	1.596	0.899	0.636	86.054	10.388	0.859	0.049	0.106	0.017	0.019	0.006	0.006
08/01/2026	1072.922	1.434	0.928	0.625	88.070	8.633	0.734	0.047	0.103	0.018	0.020	0.007	0.007
07/31/2026	1078.193	1.505	0.801	0.628	87.519	9.246	0.723	0.046	0.104	0.019	0.021	0.007	0.007
07/30/2026	1075.162	1.399	0.917	0.626	88.052	8.584	0.806	0.054	0.124	0.022	0.025	0.008	0.008
07/29/2026	1070.713	1.310	1.031	0.623	88.494	8.177	0.761	0.051	0.116	0.021	0.023	0.008	0.008
07/28/2026	1091.957	1.719	0.551	0.638	86.172	10.354	0.928	0.063	0.142	0.025	0.028	0.009	0.009
07/27/2026	1079.063	1.492	0.938	0.630	87.238	9.262	0.866	0.050	0.106	0.017	0.018	0.006	0.006
07/26/2026	1089.688	1.684	0.788	0.638	86.019	10.240	1.020	0.061	0.132	0.021	0.022	0.007	0.007
07/25/2026	1084.325	1.652	0.716	0.634	86.747	9.813	0.839	0.055	0.122	0.020	0.022	0.007	0.007
07/24/2026	1071.170	1.311	0.949	0.622	88.560	8.205	0.779	0.047	0.103	0.017	0.018	0.006	0.006
07/23/2026	1083.324	1.572	0.404	0.628	87.758	9.216	0.822	0.054	0.118	0.020	0.022	0.007	0.007
07/22/2026	1081.241	1.582	0.427	0.627	87.926	9.023	0.827	0.053	0.113	0.018	0.019	0.006	0.006
07/21/2026	1080.341	1.561	0.401	0.626	87.968	9.173	0.716	0.045	0.094	0.016	0.016	0.005	0.005
07/20/2026	1081.078	1.552	0.390	0.626	87.934	9.217	0.720	0.048	0.094	0.016	0.017	0.006	0.006
07/19/2026	1080.334	1.498	0.533	0.627	87.846	9.183	0.756	0.046	0.098	0.015	0.015	0.005	0.005
07/18/2026	1085.479	1.641	0.676	0.634	86.712	9.857	0.907	0.053	0.112	0.016	0.017	0.005	0.005
07/17/2026	1085.717	1.659	0.522	0.633	86.897	9.910	0.811	0.050	0.104	0.017	0.018	0.006	0.006
07/16/2026	1077.645	1.486	0.604	0.625	88.111	8.838	0.760	0.047	0.105	0.018	0.019	0.006	0.006
07/15/2026	1061.793	1.222	0.885	0.614	89.886	7.233	0.620	0.037	0.081	0.013	0.014	0.005	0.005
07/14/2026	1069.505	1.431	0.577	0.619	89.266	7.850	0.683	0.045	0.099	0.017	0.019	0.006	0.006
07/13/2026	1061.332	1.130	0.878	0.612	90.190	7.051	0.574	0.041	0.090	0.016	0.018	0.006	0.006
07/12/2026	1052.279	1.000	1.161	0.607	90.897	6.270	0.521	0.035	0.077	0.014	0.015	0.005	0.005
07/11/2026	1060.231	1.161	1.285	0.616	89.168	7.714	0.544	0.031	0.066	0.011	0.012	0.004	0.004
07/10/2026	1047.463	0.822	1.396	0.604	91.383	5.703	0.566	0.032	0.068	0.011	0.012	0.004	0.004
07/09/2026	1050.210	0.884	1.301	0.606	91.155	5.910	0.618	0.034	0.070	0.011	0.011	0.004	0.004
07/08/2026	1053.385	1.012	1.029	0.607	90.973	6.331	0.531	0.031	0.064	0.010	0.011	0.004	0.004
07/07/2026	1068.994	1.472	0.394	0.617	89.547	7.774	0.661	0.038	0.078	0.013	0.014	0.005	0.005
07/06/2026	1064.514	1.382	0.475	0.614	90.046	7.376	0.578	0.035	0.072	0.013	0.013	0.004	0.004
07/05/2026	1057.847	1.209	0.818	0.611	90.567	6.654	0.596	0.039	0.080	0.014	0.014	0.005	0.005
07/04/2026	1060.947	1.256	0.770	0.613	90.144	7.093	0.584	0.036	0.078	0.013	0.015	0.005	0.005
07/03/2026	1060.241	1.281	0.781	0.613	89.967	7.364	0.498	0.027	0.056	0.009	0.010	0.003	0.003
07/02/2026	1061.251	1.305	0.768	0.614	89.774	7.548	0.520	0.024	0.047	0.006	0.006	0.002	0.002
07/01/2026	1070.914	1.469	0.566	0.620	88.734	8.515	0.617	0.027	0.053	0.007	0.007	0.002	0.002
06/30/2026	1073.663	1.413	0.563	0.621	88.808	8.320	0.710	0.044	0.096	0.017	0.018	0.006	0.006
06/29/2026	1072.148	1.468	0.552	0.621	88.590	8.723	0.547	0.030	0.063	0.010	0.011	0.003	0.003
06/28/2026	1066.298	1.317	0.745	0.617	89.081	8.269	0.533	0.018	0.031	0.003	0.002	0.000	0.000
06/27/2026	1045.133	0.867	1.535	0.605	90.988	6.092	0.457	0.019	0.035	0.004	0.003	0.001	0.001
06/26/2026	1033.247	0.630	1.900	0.597	92.217	4.780	0.392	0.021	0.043	0.006	0.006	0.002	0.002
06/25/2026	1040.830	0.818	1.615	0.602	91.544	5.488	0.437	0.025	0.051	0.008	0.009	0.003	0.003
06/24/2026	1042.129	0.793	1.522	0.601	91.690	5.431	0.454	0.027	0.055	0.009	0.010	0.003	0.003
06/23/2026	1066.925	1.295	0.566	0.615	89.770	7.618	0.597	0.038	0.079	0.014	0.014	0.005	0.005
06/22/2026	1065.423	1.283	0.617	0.615	89.743	7.673	0.571	0.030	0.059	0.009	0.009	0.003	0.003
06/21/2026	1059.304	1.222	0.800	0.612	90.180	7.186	0.508	0.027	0.055	0.008	0.009	0.003	0.003
06/20/2026	1049.674	1.010	1.153	0.606	91.041	6.244	0.453	0.025	0.052	0.008	0.009	0.003	0.003
06/19/2026	1056.477	1.204	0.907	0.611	90.205	7.184	0.414	0.022	0.045	0.007	0.007	0.002	0.002
06/18/2026	1050.736	1.044	1.090	0.606	91.010	6.286	0.454	0.028	0.060	0.010	0.011	0.003	0.003
06/17/2026	1047.590	0.939	1.307	0.605	91.177	5.999	0.454	0.028	0.064	0.011	0.012	0.004	0.004
06/16/2026	1055.890	1.168	0.955	0.610	90.299	7.049	0.435	0.023	0.050	0.008	0.009	0.003	0.003
06/15/2026	1073.383	1.461	0.423	0.620	89.091	8.137	0.673	0.049	0.111	0.020	0.021	0.007	0.007
06/14/2026	1061.971	1.205	0.796	0.613	90.181	7.014	0.619	0.043	0.097	0.017	0.018	0.006	0.006
06/13/2026	1058.737	1.132	0.915	0.611	90.443	6.739	0.598	0.040	0.090	0.015	0.017	0.005	0.005
06/12/2026	1055.312	1.068	1.080	0.610	90.576	6.558	0.563	0.036	0.080	0.013	0.015	0.005	0.005
06/11/2026	1055.700	1.102	1.002	0.610	90.713	6.408	0.603	0.041	0.090	0.015	0.017	0.005	0.005
06/10/2026	1045.679	0.869	1.422	0.604	91.390	5.673	0.517	0.030	0.067	0.011	0.012	0.004	0.004
06/09/2026	1051.849	0.981	1.194	0.607	90.911	6.237	0.533	0.033	0.074	0.013	0.014	0.004	0.004
06/08/2026	1046.431	0.959	1.259	0.604	91.367	5.842	0.463	0.028	0.057	0.009	0.009	0.003	0.003
06/07/2026	1046.084	0.925	1.404	0.605	91.289	5.715	0.526	0.035	0.072	0.012	0.012	0.004	0.004
06/06/2026	1058.105	1.169	0.946	0.612	90.370	6.743	0.596	0.041	0.093	0.015	0.017	0.005	0.005
06/05/2026	1052.455	1.078	1.054	0.608	90.924	6.275	0.523	0.034	0.077	0.012	0.013	0.004	0.004
06/04/2026	1037.725	0.772	1.558	0.599	92.150	5.032	0.386	0.024	0.053	0.009	0.010	0.003	0.003
06/03/2026	1041.698	0.863	1.324	0.600	91.970	5.348	0.396	0.024	0.052	0.009	0.009	0.003	0.003
06/02/2026	1040.087	0.829	1.393	0.599	92.082	5.226	0.366	0.024	0.053	0.009	0.010	0.004	0.004
06/01/2026	1048.859	1.018	1.109	0.605	91.293	6.008	0.446	0.029	0.065	0.011	0.012	0.004	0.004
05/31/2026	1046.738	0.961	1.209	0.604	91.461	5.802	0.445	0.028	0.062	0.010	0.012	0.005	0.005
05/30/2026	1042.653	0.865	1.338	0.601	91.914	5.322	0.435	0.028	0.063	0.011	0.012	0.005	0.005
05/29/2026	1044.095	0.855	1.427	0.603	91.587	5.530	0.470	0.029	0.064	0.011	0.013	0.006	0.006
05/28/2026	1035.682	0.714	1.569	0.597	92.476	4.789	0.364	0.020	0.044	0.007	0.008	0.004	0.004
05/27/2026	1043.609	0.836	1.336	0.601	91.878	5.367	0.458	0.029	0.065	0.011	0.012	0.004	0.004
05/26/2026	1043.907	0.896	1.307	0.602	91.743	5.496	0.436	0.027	0.061	0.011	0.012	0.005	0.005
05/25/2026	1042.645	0.878	1.319	0.601	91.916	5.336	0.429	0.027	0.061	0.011	0.012	0.005	0.005
05/24/2026	1042.908	0.842	1.352	0.601	91.890	5.361	0.431	0.028	0.062	0.011	0.012	0.005	0.005
05/23/2026	1043.174	0.827	1.372	0.601	91.934	5.260	0.459	0.033	0.073	0.014	0.015	0.007	0.007
05/22/2026	1038.932	0.730	1.547	0.599	92.167	5.043	0.399	0.025	0.055	0.010	0.012	0.006	0.006
05/21/2026	1040.527	0.772	1.440	0.599	92.014	5.323	0.369	0.019	0.039	0.007	0.008	0.005	0.005
05/20/2026	1042.044	0.770	1.494	0.601	91.709	5.546	0.399	0.020	0.039	0.007	0.007	0.004	0.004
05/19/2026	1058.623	1.056	1.004	0.611	90.370	6.838	0.575	0.038	0.080	0.013	0.014	0.005	0.005
05/18/2026	1050.626	0.925	1.282	0.606	91.035	6.042	0.569	0.036	0.075	0.012	0.013	0.005	0.005
05/17/2026	1053.917	0.951	1.234	0.608	90.827	6.157	0.647	0.043	0.096	0.016	0.018	0.006	0.006
05/16/2026	1050.149	0.908	1.358	0.607	90.997	6.017	0.558	0.036	0.082	0.015	0.017	0.006	0.006
05/15/2026	1044.745	0.748	1.593	0.603	91.507	5.457	0.530	0.037	0.082	0.015	0.017	0.007	0.007
05/14/2026	1049.196	0.817	1.517	0.606	91.027	5.865	0.598	0.041	0.090	0.016	0.017	0.006	0.006
05/13/2026	1057.908	0.906	1.331	0.611	90.167	6.772	0.645	0.043	0.093	0.015	0.016	0.005	0.005
05/12/2026	1044.407	0.752	1.862	0.606	90.992	5.633	0.585	0.041	0.089	0.016	0.018	0.006	0.006
05/11/2026	1052.686	0.938	1.328	0.608	90.632	6.406	0.539	0.036	0.080	0.014	0.016	0.005	0.005
05/10/2026	1059.758	1.116	1.238	0.615	89.632	7.252	0.571	0.041	0.095	0.018	0.021	0.009	0.009
05/09/2026	1048.361	0.878	1.549	0.607	90.798	6.119	0.499	0.034	0.078	0.014	0.017	0.008	0.008
05/08/2026	1041.850	0.714	1.650	0.601	91.688	5.362	0.450	0.029	0.065	0.012	0.014	0.008	0.008
05/07/2026	1038.006	0.676	1.726	0.599	91.963	5.133	0.402	0.024	0.050	0.009	0.010	0.004	0.004
05/06/2026	1060.390	1.082	1.082	0.613	90.138	6.825	0.646	0.051	0.114	0.021	0.024	0.008	0.008
05/05/2026	1075.073	1.384	0.597	0.622	88.927	8.020	0.785	0.065	0.147	0.027	0.030	0.009	0.009
05/04/2026	1068.232	1.221	0.682	0.616	90.029	6.989	0.772	0.068	0.157	0.029	0.032	0.010	0.010
05/03/2026	1063.930	1.109	0.733	0.612	90.650	6.473	0.754	0.064	0.144	0.026	0.028	0.009	0.009