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Gas Quality / Gas Quality By Date

Date Requested: Feb 28 2026 7:56 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	1072.474	0.970	1.950	0.628	86.239	10.090	0.617	0.019	0.037	0.004	0.004	0.003	0.068
02/27/2026	1072.474	0.970	1.950	0.628	86.239	10.090	0.617	0.019	0.037	0.004	0.004	0.003	0.068
02/26/2026	1072.689	0.916	2.068	0.629	86.160	10.077	0.665	0.020	0.037	0.004	0.004	0.003	0.046
02/25/2026	1075.895	0.926	2.252	0.633	85.203	10.819	0.662	0.019	0.035	0.003	0.003	0.002	0.077
02/24/2026	1069.178	0.867	2.139	0.626	86.528	9.754	0.614	0.019	0.034	0.003	0.003	0.003	0.036
02/23/2026	1066.315	0.850	2.116	0.624	86.948	9.397	0.588	0.018	0.033	0.003	0.003	0.002	0.042
02/22/2026	1058.286	0.858	2.110	0.619	87.953	8.436	0.545	0.018	0.033	0.003	0.003	0.002	0.038
02/21/2026	1051.248	0.862	1.887	0.612	89.327	7.363	0.474	0.017	0.032	0.003	0.003	0.002	0.030
02/20/2026	1060.339	0.941	2.058	0.621	87.617	8.719	0.562	0.018	0.033	0.003	0.003	0.002	0.044
02/19/2026	1073.382	1.008	2.482	0.635	84.782	10.887	0.692	0.018	0.033	0.002	0.002	0.001	0.094
02/18/2026	1077.139	1.029	2.511	0.638	84.190	11.412	0.710	0.017	0.033	0.002	0.002	0.000	0.093
02/17/2026	1062.766	1.021	2.231	0.626	86.690	9.334	0.598	0.017	0.035	0.002	0.002	0.001	0.068
02/16/2026	1077.539	1.012	2.499	0.638	84.227	11.390	0.724	0.018	0.033	0.002	0.002	0.001	0.092
02/15/2026	1073.094	1.021	2.395	0.634	85.003	10.771	0.673	0.017	0.033	0.002	0.002	0.001	0.081
02/14/2026	1074.203	0.975	2.120	0.631	85.623	10.517	0.646	0.018	0.033	0.002	0.002	0.001	0.063
02/13/2026	1061.208	0.875	1.869	0.619	88.112	8.540	0.527	0.017	0.031	0.003	0.003	0.002	0.021
02/12/2026	1051.813	0.826	1.748	0.611	89.724	7.109	0.511	0.019	0.034	0.003	0.003	0.002	0.021
02/11/2026	1056.113	0.894	2.014	0.617	88.345	8.117	0.533	0.017	0.031	0.003	0.002	0.002	0.042
02/10/2026	1058.719	0.889	2.064	0.619	87.916	8.484	0.552	0.016	0.030	0.002	0.002	0.002	0.042
02/09/2026	1049.790	0.821	1.519	0.607	90.442	6.740	0.414	0.016	0.028	0.003	0.003	0.003	0.011
02/08/2026	1061.149	0.890	2.058	0.621	87.659	8.770	0.547	0.016	0.030	0.003	0.003	0.003	0.021
02/07/2026	1079.448	1.017	2.508	0.639	84.004	11.587	0.746	0.019	0.035	0.002	0.002	0.001	0.079
02/06/2026	1069.221	0.890	2.149	0.627	86.342	9.925	0.576	0.017	0.032	0.003	0.003	0.003	0.062
02/05/2026	1069.853	0.835	2.188	0.627	86.345	9.928	0.593	0.018	0.033	0.003	0.003	0.004	0.050
02/04/2026	1062.031	0.811	2.008	0.620	87.765	8.788	0.525	0.017	0.029	0.003	0.003	0.003	0.048
02/03/2026	1062.435	0.825	1.961	0.620	87.831	8.760	0.529	0.018	0.031	0.004	0.003	0.004	0.036
02/02/2026	1075.276	0.887	2.193	0.631	85.605	10.573	0.631	0.024	0.036	0.005	0.004	0.004	0.037
02/01/2026	1070.716	0.828	2.148	0.627	86.396	9.867	0.626	0.025	0.038	0.005	0.004	0.005	0.058
01/31/2026	1069.943	0.802	2.104	0.625	86.738	9.623	0.616	0.027	0.042	0.006	0.006	0.006	0.030
01/30/2026	1072.760	0.872	2.015	0.627	86.371	9.964	0.634	0.029	0.042	0.006	0.005	0.006	0.056
01/29/2026	1067.776	0.866	1.969	0.624	87.026	9.403	0.576	0.027	0.039	0.006	0.005	0.006	0.078
01/28/2026	1059.464	0.770	1.931	0.616	88.267	8.441	0.470	0.015	0.028	0.003	0.003	0.004	0.069
01/27/2026	1061.333	0.792	1.871	0.617	88.159	8.578	0.488	0.016	0.030	0.003	0.003	0.004	0.058
01/26/2026	1069.414	0.827	2.017	0.625	86.826	9.617	0.596	0.020	0.038	0.003	0.003	0.003	0.052
01/25/2026	1068.223	0.837	1.974	0.624	87.121	9.414	0.582	0.018	0.033	0.003	0.003	0.002	0.013
01/24/2026	1072.582	0.799	1.881	0.625	86.816	9.855	0.577	0.017	0.026	0.003	0.003	0.002	0.021
01/23/2026	1063.620	0.868	2.167	0.623	87.049	9.224	0.570	0.016	0.030	0.003	0.003	0.003	0.068
01/22/2026	1063.620	0.868	2.167	0.623	87.049	9.224	0.570	0.016	0.030	0.003	0.003	0.003	0.068
01/21/2026	1068.529	0.782	2.049	0.624	86.979	9.511	0.591	0.017	0.028	0.003	0.003	0.003	0.035
01/20/2026	1078.450	0.998	2.456	0.638	84.215	11.485	0.707	0.017	0.029	0.002	0.002	0.000	0.089
01/19/2026	1057.395	0.830	2.061	0.617	88.217	8.326	0.493	0.015	0.028	0.003	0.003	0.002	0.023
01/18/2026	1067.379	0.951	2.239	0.628	86.218	9.905	0.578	0.016	0.028	0.002	0.002	0.002	0.059
01/17/2026	1067.037	0.944	2.174	0.627	86.448	9.721	0.594	0.017	0.031	0.003	0.003	0.002	0.064
01/16/2026	1062.373	0.927	1.957	0.621	87.663	8.819	0.551	0.018	0.033	0.003	0.003	0.003	0.023
01/15/2026	1080.701	1.052	2.594	0.642	83.533	11.888	0.774	0.019	0.034	0.002	0.002	0.001	0.101
01/14/2026	1079.183	1.010	2.546	0.639	84.017	11.471	0.805	0.022	0.037	0.002	0.002	0.001	0.088
01/13/2026	1074.205	0.972	2.324	0.633	85.277	10.597	0.724	0.019	0.034	0.003	0.003	0.002	0.046
01/12/2026	1074.987	0.955	2.355	0.634	85.188	10.714	0.705	0.019	0.035	0.003	0.003	0.002	0.021
01/11/2026	1073.791	0.939	2.367	0.633	85.393	10.516	0.713	0.019	0.036	0.003	0.003	0.002	0.008
01/10/2026	1075.138	0.966	2.557	0.636	84.667	11.051	0.692	0.017	0.031	0.002	0.002	0.001	0.012
01/09/2026	1078.623	1.012	2.562	0.639	84.190	11.380	0.777	0.021	0.037	0.003	0.003	0.001	0.015
01/08/2026	1067.794	0.934	2.169	0.627	86.596	9.567	0.662	0.019	0.035	0.003	0.003	0.002	0.009
01/07/2026	1081.259	1.031	2.637	0.642	83.551	11.915	0.771	0.019	0.034	0.002	0.002	0.001	0.038
01/06/2026	1079.166	0.998	2.540	0.639	84.025	11.581	0.735	0.018	0.033	0.002	0.002	0.001	0.065
01/05/2026	1077.543	0.994	2.369	0.636	84.680	11.120	0.727	0.019	0.034	0.003	0.003	0.001	0.051
01/04/2026	1065.621	0.956	1.938	0.623	87.269	9.156	0.592	0.019	0.035	0.004	0.004	0.003	0.023
01/03/2026	1067.899	0.921	2.172	0.627	86.484	9.701	0.620	0.018	0.033	0.003	0.003	0.003	0.042
01/02/2026	1065.970	0.862	2.286	0.626	86.584	9.513	0.644	0.017	0.031	0.003	0.002	0.002	0.055
01/01/2026	1063.048	0.866	2.261	0.624	86.972	9.176	0.606	0.018	0.032	0.003	0.003	0.002	0.060
12/31/2025	1055.901	0.789	2.112	0.616	88.435	8.028	0.537	0.018	0.034	0.004	0.004	0.003	0.035
12/30/2025	1059.621	0.866	2.186	0.621	87.650	8.636	0.573	0.018	0.035	0.004	0.004	0.002	0.026
12/29/2025	1057.576	0.885	2.115	0.619	88.010	8.335	0.560	0.018	0.034	0.004	0.004	0.002	0.032
12/28/2025	1062.404	0.938	2.145	0.623	87.196	9.001	0.606	0.019	0.036	0.004	0.004	0.002	0.049
12/27/2025	1067.665	0.984	2.314	0.629	86.040	9.873	0.665	0.019	0.035	0.003	0.003	0.002	0.061
12/26/2025	1068.694	0.992	2.195	0.629	86.157	9.871	0.656	0.019	0.037	0.004	0.004	0.002	0.064
12/25/2025	1066.857	0.936	2.322	0.628	86.257	9.670	0.686	0.019	0.036	0.003	0.004	0.003	0.064
12/24/2025	1065.902	0.909	2.352	0.627	86.374	9.564	0.678	0.019	0.036	0.003	0.003	0.002	0.060
12/23/2025	1070.416	0.965	2.394	0.632	85.544	10.252	0.705	0.019	0.036	0.003	0.003	0.002	0.076
12/22/2025	1064.049	0.891	2.173	0.624	87.110	9.109	0.624	0.020	0.036	0.004	0.004	0.004	0.024
12/21/2025	1059.632	0.820	2.055	0.619	88.145	8.272	0.614	0.023	0.042	0.004	0.004	0.003	0.018
12/20/2025	1063.890	0.861	2.069	0.622	87.478	8.855	0.637	0.023	0.043	0.004	0.004	0.003	0.023
12/19/2025	1061.062	0.849	2.271	0.622	87.280	8.923	0.564	0.021	0.038	0.005	0.005	0.003	0.042
12/18/2025	1074.335	0.982	2.485	0.635	84.689	11.052	0.654	0.018	0.031	0.002	0.002	0.001	0.085
12/17/2025	1075.084	0.979	2.388	0.635	84.812	11.050	0.643	0.016	0.028	0.001	0.001	0.001	0.080
12/16/2025	1070.940	0.921	2.212	0.629	86.139	9.923	0.696	0.024	0.047	0.004	0.004	0.002	0.028
12/15/2025	1073.776	0.907	2.356	0.632	85.438	10.467	0.715	0.023	0.043	0.003	0.003	0.002	0.042
12/14/2025	1072.192	0.877	2.444	0.632	85.499	10.468	0.637	0.020	0.038	0.004	0.004	0.002	0.008
12/13/2025	1068.290	0.959	2.202	0.628	86.279	9.799	0.632	0.021	0.040	0.004	0.004	0.003	0.056
12/12/2025	1067.284	0.970	2.179	0.627	86.532	9.584	0.631	0.023	0.044	0.005	0.005	0.004	0.024
12/11/2025	1060.419	0.885	2.132	0.621	87.679	8.612	0.587	0.022	0.043	0.005	0.005	0.004	0.025
12/10/2025	1062.026	0.910	2.126	0.622	87.349	8.927	0.573	0.021	0.038	0.004	0.004	0.003	0.045
12/09/2025	1058.946	0.885	1.939	0.618	88.250	8.311	0.515	0.021	0.040	0.005	0.006	0.004	0.023
12/08/2025	1068.132	0.959	2.266	0.629	86.121	9.868	0.638	0.022	0.042	0.004	0.004	0.003	0.072
12/07/2025	1062.979	0.929	2.114	0.623	87.203	9.080	0.564	0.020	0.038	0.004	0.004	0.003	0.041
12/06/2025	1065.524	0.904	2.289	0.626	86.420	9.677	0.578	0.017	0.031	0.003	0.003	0.002	0.078
12/05/2025	1060.597	0.894	2.232	0.622	87.274	8.937	0.555	0.017	0.033	0.003	0.003	0.003	0.048
12/04/2025	1048.520	0.777	2.000	0.610	89.593	7.116	0.438	0.015	0.028	0.003	0.003	0.003	0.022
12/03/2025	1057.832	0.879	2.152	0.620	87.887	8.432	0.554	0.018	0.033	0.003	0.003	0.002	0.035
12/02/2025	1070.387	0.974	2.432	0.632	85.433	10.310	0.708	0.020	0.037	0.003	0.003	0.001	0.079
12/01/2025	1082.059	1.020	2.650	0.643	83.432	11.832	0.884	0.025	0.045	0.002	0.002	0.001	0.106
11/30/2025	1084.247	1.028	2.667	0.644	83.106	12.100	0.909	0.026	0.047	0.002	0.002	0.001	0.112
11/29/2025	1077.705	1.032	2.665	0.640	83.754	11.681	0.716	0.018	0.033	0.002	0.002	0.001	0.096
11/28/2025	1078.974	1.032	2.627	0.641	83.714	11.706	0.759	0.020	0.035	0.002	0.002	0.001	0.102
11/27/2025	1079.638	1.032	2.698	0.642	83.491	11.833	0.779	0.020	0.038	0.002	0.002	0.001	0.103