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Gas Quality / Gas Quality By Date

Date Requested: Feb 28 2026 7:58 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


02/28/2026	1047.610	0.663	1.880	0.607	90.381	6.547	0.462	0.020	0.036	0.005	0.005
02/27/2026	1047.610	0.663	1.880	0.607	90.381	6.547	0.462	0.020	0.036	0.005	0.005
02/26/2026	1038.221	0.528	2.048	0.600	91.439	5.538	0.386	0.017	0.032	0.005	0.005
02/25/2026	1040.587	0.615	1.873	0.601	91.336	5.733	0.382	0.017	0.032	0.005	0.005
02/24/2026	1029.468	0.488	1.915	0.593	92.909	4.322	0.309	0.016	0.030	0.005	0.006
02/23/2026	1032.879	0.528	1.897	0.595	92.436	4.742	0.338	0.017	0.031	0.005	0.005
02/22/2026	1034.987	0.588	1.902	0.598	92.028	5.065	0.357	0.018	0.032	0.005	0.005
02/21/2026	1042.411	0.611	2.222	0.606	90.324	6.354	0.432	0.017	0.031	0.004	0.004
02/20/2026	1059.393	0.818	2.204	0.620	87.812	8.531	0.575	0.019	0.032	0.004	0.004
02/19/2026	1062.938	0.873	2.083	0.622	87.529	8.858	0.595	0.020	0.035	0.004	0.004
02/18/2026	1076.235	1.009	2.511	0.637	84.570	11.146	0.711	0.018	0.031	0.002	0.002
02/17/2026	1078.521	0.991	2.424	0.637	84.520	11.298	0.715	0.018	0.031	0.002	0.002
02/16/2026	1060.633	0.827	2.039	0.619	87.992	8.525	0.559	0.018	0.033	0.003	0.003
02/15/2026	1047.176	0.711	1.739	0.606	90.598	6.467	0.424	0.018	0.033	0.005	0.005
02/14/2026	1052.205	0.721	1.907	0.611	89.552	7.299	0.467	0.017	0.030	0.004	0.004
02/13/2026	1043.946	0.645	2.066	0.606	90.388	6.422	0.427	0.016	0.029	0.004	0.004
02/12/2026	1045.694	0.649	1.963	0.606	90.491	6.342	0.488	0.021	0.037	0.005	0.005
02/11/2026	1046.047	0.646	1.883	0.605	90.674	6.218	0.503	0.023	0.041	0.006	0.006
02/10/2026	1044.004	0.634	1.843	0.603	90.972	6.047	0.438	0.020	0.036	0.005	0.005
02/09/2026	1040.836	0.591	1.993	0.602	91.107	5.831	0.413	0.019	0.035	0.005	0.005
02/08/2026	1044.197	0.632	1.938	0.605	90.750	6.168	0.443	0.020	0.037	0.006	0.006
02/07/2026	1049.709	0.692	1.990	0.610	89.782	7.004	0.469	0.019	0.034	0.005	0.005
02/06/2026	1039.975	0.557	2.052	0.602	91.157	5.785	0.384	0.018	0.034	0.006	0.007
02/05/2026	1033.859	0.528	1.980	0.597	92.123	4.982	0.330	0.016	0.030	0.005	0.006
02/04/2026	1032.849	0.515	2.043	0.597	92.139	4.912	0.333	0.016	0.030	0.005	0.006
02/03/2026	1038.854	0.597	1.965	0.601	91.418	5.548	0.410	0.020	0.033	0.005	0.005
02/02/2026	1054.690	0.682	2.080	0.614	88.998	7.670	0.505	0.020	0.035	0.005	0.005
02/01/2026	1060.417	0.708	2.189	0.619	88.023	8.437	0.571	0.024	0.038	0.006	0.005
01/31/2026	1042.013	0.508	2.065	0.603	91.110	5.762	0.467	0.028	0.043	0.008	0.008
01/30/2026	1040.585	0.482	2.037	0.601	91.413	5.540	0.438	0.028	0.044	0.009	0.009
01/29/2026	1033.549	0.420	2.116	0.596	92.170	4.861	0.362	0.021	0.035	0.007	0.007
01/28/2026	1034.276	0.499	1.905	0.596	92.339	4.863	0.329	0.019	0.031	0.007	0.007
01/27/2026	1031.466	0.470	1.883	0.593	92.749	4.553	0.293	0.014	0.026	0.005	0.006
01/26/2026	1034.646	0.565	1.860	0.597	92.225	4.954	0.337	0.016	0.031	0.005	0.006
01/25/2026	1031.204	0.520	1.993	0.595	92.413	4.717	0.305	0.014	0.027	0.005	0.005
01/24/2026	1032.724	0.512	1.944	0.595	92.330	4.861	0.306	0.013	0.025	0.004	0.005
01/23/2026	1032.310	0.486	1.964	0.595	92.396	4.802	0.304	0.014	0.025	0.005	0.005
01/22/2026	1031.566	0.484	1.989	0.595	92.452	4.715	0.310	0.014	0.026	0.004	0.005
01/21/2026	1031.278	0.483	1.986	0.594	92.505	4.657	0.320	0.014	0.026	0.004	0.005
01/20/2026	1035.151	0.537	1.938	0.597	91.988	5.157	0.330	0.015	0.027	0.004	0.004
01/19/2026	1070.116	0.933	2.403	0.631	85.692	10.311	0.611	0.016	0.028	0.002	0.002
01/18/2026	1080.512	1.040	2.534	0.641	83.865	11.815	0.698	0.016	0.028	0.002	0.002
01/17/2026	1073.449	0.987	2.261	0.632	85.498	10.566	0.634	0.018	0.031	0.003	0.003
01/16/2026	1061.229	0.822	2.263	0.622	87.418	8.872	0.567	0.018	0.033	0.004	0.004
01/15/2026	1081.853	1.036	2.547	0.641	83.736	11.879	0.746	0.019	0.033	0.002	0.002
01/14/2026	1080.199	1.043	2.560	0.641	83.884	11.726	0.733	0.019	0.031	0.002	0.002
01/13/2026	1082.700	1.037	2.569	0.642	83.652	11.858	0.824	0.021	0.035	0.002	0.002
01/12/2026	1082.696	1.032	2.600	0.642	83.554	11.966	0.791	0.019	0.033	0.002	0.002
01/11/2026	1082.792	1.034	2.572	0.642	83.613	11.923	0.803	0.019	0.032	0.002	0.002
01/10/2026	1078.902	1.045	2.647	0.641	83.825	11.711	0.725	0.016	0.027	0.002	0.002
01/09/2026	1080.904	1.035	2.607	0.641	83.771	11.738	0.793	0.019	0.030	0.004	0.003
01/08/2026	1081.838	1.020	2.567	0.641	83.801	11.736	0.817	0.020	0.035	0.002	0.002
01/07/2026	1079.191	1.003	2.538	0.639	84.192	11.455	0.754	0.019	0.034	0.002	0.002
01/06/2026	1081.259	1.019	2.535	0.641	83.878	11.765	0.749	0.018	0.032	0.002	0.002
01/05/2026	1082.817	1.009	2.497	0.641	83.816	11.847	0.775	0.019	0.033	0.002	0.002
01/04/2026	1081.795	1.004	2.479	0.640	83.987	11.715	0.761	0.018	0.032	0.002	0.002
01/03/2026	1078.758	0.993	2.485	0.638	84.381	11.334	0.751	0.019	0.032	0.002	0.002
01/02/2026	1061.367	0.834	2.216	0.622	87.522	8.768	0.596	0.020	0.036	0.004	0.004
01/01/2026	1060.466	0.810	2.195	0.620	87.721	8.629	0.586	0.018	0.033	0.004	0.004
12/31/2025	1040.336	0.576	2.086	0.603	90.970	5.907	0.400	0.017	0.033	0.005	0.005
12/30/2025	1039.227	0.563	2.074	0.602	91.168	5.735	0.398	0.018	0.033	0.005	0.005
12/29/2025	1075.579	1.015	2.602	0.638	84.466	11.119	0.745	0.018	0.031	0.002	0.002
12/28/2025	1077.199	1.045	2.662	0.640	84.058	11.421	0.760	0.018	0.032	0.002	0.002
12/27/2025	1077.923	1.036	2.599	0.640	84.144	11.396	0.770	0.018	0.032	0.002	0.002
12/26/2025	1078.668	1.035	2.609	0.640	84.034	11.494	0.773	0.019	0.033	0.002	0.002
12/25/2025	1079.601	1.028	2.592	0.640	84.027	11.464	0.831	0.019	0.034	0.002	0.002
12/24/2025	1079.220	1.027	2.609	0.640	84.025	11.465	0.818	0.019	0.034	0.002	0.002
12/23/2025	1077.357	0.999	2.491	0.637	84.578	11.092	0.782	0.019	0.034	0.002	0.002
12/22/2025	1070.155	0.924	2.415	0.631	85.830	10.042	0.722	0.021	0.039	0.003	0.004
12/21/2025	1080.985	0.982	2.490	0.639	84.462	10.967	0.980	0.037	0.073	0.004	0.004
12/20/2025	1051.839	0.747	2.117	0.613	89.075	7.518	0.482	0.019	0.033	0.004	0.004
12/19/2025	1072.112	0.949	2.343	0.632	85.626	10.355	0.656	0.024	0.038	0.004	0.004
12/18/2025	1063.705	0.862	2.207	0.623	87.145	9.153	0.571	0.019	0.035	0.004	0.004
12/17/2025	1073.038	0.955	2.328	0.632	85.446	10.596	0.626	0.017	0.029	0.002	0.002
12/16/2025	1076.437	0.993	2.390	0.636	84.783	11.141	0.648	0.016	0.026	0.002	0.002
12/15/2025	1080.812	1.000	2.422	0.639	84.315	11.404	0.785	0.024	0.044	0.003	0.003
12/14/2025	1079.332	1.014	2.521	0.639	84.115	11.611	0.681	0.019	0.034	0.002	0.003
12/13/2025	1079.564	1.027	2.533	0.640	84.068	11.593	0.719	0.020	0.036	0.002	0.002
12/12/2025	1069.812	0.926	2.409	0.631	85.830	10.103	0.664	0.021	0.039	0.004	0.004
12/11/2025	1075.700	0.980	2.605	0.637	84.528	11.094	0.731	0.020	0.036	0.003	0.003
12/10/2025	1077.000	1.007	2.471	0.637	84.552	11.224	0.691	0.019	0.032	0.002	0.002
12/09/2025	1070.723	0.924	2.373	0.631	85.725	10.302	0.623	0.018	0.031	0.002	0.002
12/08/2025	1078.795	1.013	2.573	0.639	84.091	11.555	0.712	0.019	0.033	0.002	0.002
12/07/2025	1079.325	1.014	2.575	0.640	84.013	11.631	0.711	0.019	0.033	0.002	0.002
12/06/2025	1071.060	0.934	2.485	0.632	85.424	10.457	0.644	0.018	0.033	0.003	0.003
12/05/2025	1077.927	1.019	2.629	0.640	84.081	11.485	0.727	0.019	0.035	0.002	0.002
12/04/2025	1075.871	0.994	2.507	0.637	84.632	11.137	0.674	0.019	0.033	0.002	0.002
12/03/2025	1077.100	0.992	2.464	0.637	84.628	11.132	0.728	0.019	0.033	0.002	0.002
12/02/2025	1078.247	1.004	2.523	0.638	84.376	11.255	0.781	0.021	0.036	0.002	0.002
12/01/2025	1079.984	1.020	2.603	0.641	83.990	11.489	0.832	0.023	0.040	0.002	0.002
11/30/2025	1085.238	1.024	2.595	0.644	83.439	11.930	0.932	0.028	0.047	0.002	0.002
11/29/2025	1080.269	1.030	2.626	0.641	83.790	11.738	0.754	0.020	0.037	0.002	0.002
11/28/2025	1079.004	1.042	2.666	0.641	83.786	11.731	0.720	0.018	0.032	0.002	0.002
11/27/2025	1079.312	1.025	2.591	0.640	83.991	11.588	0.746	0.020	0.035	0.002	0.002