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Gas Quality By Date / Gas Quality By ID

Date Requested: Mar 17 2026 9:17 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 by ID information for the current Gas Day is updated for all location ID's after 11:00 a.m.

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


03/17/2026	1017.379	0.630	1.157	0.579	95.538	2.595	0.078	0.002	0.002
03/16/2026	1020.028	0.633	1.132	0.581	95.255	2.887	0.090	0.002	0.002
03/15/2026	1018.738	0.627	1.114	0.579	95.472	2.699	0.083	0.002	0.002
03/14/2026	1020.999	0.624	1.154	0.581	95.116	2.994	0.105	0.003	0.004
03/13/2026	1018.143	0.587	1.170	0.579	95.511	2.644	0.083	0.002	0.002
03/12/2026	1016.969	0.610	1.154	0.579	95.645	2.506	0.081	0.002	0.002
03/11/2026	1014.969	0.627	1.137	0.577	95.896	2.265	0.071	0.002	0.002
03/10/2026	1016.448	0.622	1.188	0.579	95.603	2.504	0.079	0.002	0.002
03/09/2026	1016.809	0.636	1.216	0.579	95.472	2.583	0.089	0.002	0.002
03/08/2026	1016.806	0.597	1.326	0.580	95.335	2.622	0.114	0.003	0.003
03/07/2026	1019.608	0.560	1.444	0.582	94.829	2.999	0.159	0.005	0.004
03/06/2026	1022.703	0.501	1.542	0.585	94.430	3.270	0.243	0.007	0.007
03/05/2026	1014.585	0.610	1.182	0.577	95.891	2.234	0.079	0.002	0.002
03/04/2026	1016.377	0.600	1.101	0.577	95.876	2.334	0.086	0.002	0.002
03/03/2026	1016.379	0.601	1.101	0.577	95.872	2.337	0.086	0.002	0.002
03/02/2026	1016.424	0.602	1.102	0.578	95.861	2.344	0.086	0.002	0.002
03/01/2026	1016.480	0.604	1.103	0.578	95.850	2.353	0.087	0.002	0.002
02/28/2026	1016.506	0.604	1.103	0.578	95.845	2.358	0.087	0.002	0.002
02/27/2026	1016.523	0.605	1.103	0.578	95.842	2.360	0.087	0.002	0.002
02/26/2026	1016.531	0.605	1.103	0.578	95.839	2.361	0.087	0.002	0.002
02/25/2026	1016.540	0.606	1.103	0.578	95.837	2.363	0.087	0.002	0.002
02/24/2026	1016.554	0.606	1.103	0.578	95.834	2.365	0.088	0.002	0.002
02/23/2026	1016.344	0.598	1.103	0.577	95.879	2.332	0.085	0.002	0.002
02/22/2026	1015.274	0.570	1.097	0.576	96.091	2.160	0.078	0.002	0.002
02/21/2026	1015.149	0.589	1.008	0.575	96.266	2.058	0.075	0.002	0.002
02/20/2026	1018.389	0.667	0.942	0.578	95.829	2.469	0.088	0.002	0.002
02/19/2026	1018.034	0.666	0.913	0.578	95.940	2.393	0.083	0.002	0.002
02/18/2026	1016.709	0.583	0.977	0.576	96.149	2.210	0.077	0.002	0.002
02/17/2026	1016.495	0.579	0.976	0.576	96.187	2.178	0.076	0.002	0.002
02/16/2026	1015.708	0.559	0.967	0.575	96.354	2.046	0.071	0.002	0.002
02/15/2026	1015.111	0.541	0.959	0.574	96.488	1.942	0.067	0.002	0.002
02/14/2026	1018.584	0.624	1.001	0.578	95.769	2.515	0.089	0.002	0.002
02/13/2026	1030.185	0.719	1.077	0.588	93.917	4.136	0.147	0.002	0.002
02/12/2026	1030.193	0.716	1.079	0.588	93.915	4.137	0.147	0.002	0.002
02/11/2026	1030.241	0.713	1.083	0.588	93.908	4.142	0.148	0.002	0.002
02/10/2026	1030.300	0.711	1.089	0.588	93.895	4.150	0.150	0.002	0.002
02/09/2026	1030.919	0.704	1.105	0.588	93.806	4.216	0.164	0.002	0.002
02/08/2026	1030.195	0.727	1.070	0.588	93.915	4.134	0.148	0.003	0.002
02/07/2026	1028.888	0.707	1.086	0.587	94.096	3.956	0.149	0.003	0.003
02/06/2026	1036.778	0.701	1.105	0.592	93.238	4.604	0.339	0.007	0.006
02/05/2026	1037.636	0.765	0.961	0.592	93.325	4.584	0.353	0.006	0.005
02/04/2026	1034.669	0.697	1.086	0.590	93.536	4.359	0.311	0.006	0.005
02/03/2026	1034.447	0.746	0.964	0.590	93.679	4.342	0.259	0.005	0.004
02/02/2026	1033.399	0.717	1.063	0.590	93.620	4.367	0.225	0.004	0.004
02/01/2026	1036.375	0.739	1.051	0.592	93.227	4.734	0.240	0.005	0.005
01/31/2026	1038.667	0.805	0.925	0.593	93.067	4.954	0.238	0.005	0.006
01/30/2026	1044.751	0.706	1.038	0.597	92.401	5.455	0.380	0.009	0.011
01/29/2026	1043.542	0.747	0.908	0.595	92.708	5.290	0.331	0.008	0.008
01/28/2026	1034.895	0.896	0.582	0.588	94.038	4.340	0.138	0.003	0.003
01/27/2026	1029.719	0.945	0.473	0.585	94.788	3.712	0.079	0.002	0.001
01/26/2026	1027.658	0.882	0.708	0.585	94.659	3.664	0.084	0.002	0.001
01/25/2026	1034.474	0.903	0.704	0.590	93.791	4.462	0.137	0.003	0.002
01/24/2026	1043.826	0.879	0.590	0.594	93.063	5.159	0.300	0.006	0.004
01/23/2026	1030.981	0.640	1.144	0.588	93.913	4.081	0.215	0.004	0.003
01/22/2026	1030.985	0.639	1.145	0.588	93.912	4.082	0.215	0.004	0.003
01/21/2026	1030.932	0.640	1.146	0.588	93.915	4.079	0.214	0.004	0.003
01/20/2026	1030.886	0.638	1.147	0.588	93.919	4.076	0.213	0.004	0.003
01/19/2026	1030.547	0.637	1.155	0.588	93.940	4.055	0.205	0.004	0.003
01/18/2026	1030.442	0.637	1.157	0.588	93.947	4.049	0.203	0.004	0.003
01/17/2026	1030.226	0.635	1.162	0.587	93.963	4.034	0.199	0.004	0.003
01/16/2026	1030.077	0.635	1.166	0.587	93.972	4.025	0.196	0.004	0.003
01/15/2026	1029.954	0.633	1.169	0.587	93.981	4.016	0.193	0.004	0.003
01/14/2026	1029.857	0.632	1.172	0.587	93.987	4.011	0.191	0.003	0.003
01/13/2026	1029.807	0.632	1.173	0.587	93.991	4.007	0.190	0.004	0.003
01/12/2026	1029.715	0.632	1.175	0.587	93.997	4.001	0.188	0.004	0.003
01/11/2026	1029.654	0.631	1.176	0.587	94.002	3.997	0.187	0.004	0.003
01/10/2026	1029.515	0.632	1.180	0.587	94.008	3.990	0.184	0.003	0.003
01/09/2026	1029.388	0.631	1.182	0.587	94.020	3.979	0.182	0.003	0.003
01/08/2026	1029.351	0.630	1.184	0.587	94.021	3.978	0.181	0.003	0.003
01/07/2026	1029.322	0.630	1.184	0.587	94.024	3.975	0.181	0.003	0.003
01/06/2026	1029.314	0.629	1.185	0.587	94.024	3.975	0.180	0.003	0.003
01/05/2026	1029.286	0.630	1.185	0.587	94.024	3.974	0.180	0.003	0.003
01/04/2026	1029.292	0.630	1.185	0.587	94.024	3.974	0.180	0.003	0.003
01/03/2026	1029.275	0.630	1.186	0.587	94.025	3.973	0.180	0.003	0.003
01/02/2026	1029.238	0.630	1.186	0.587	94.029	3.970	0.179	0.003	0.003
01/01/2026	1029.067	0.631	1.188	0.587	94.041	3.959	0.176	0.003	0.003
12/31/2025	1029.226	0.628	1.195	0.587	94.015	3.978	0.179	0.003	0.003
12/30/2025	1029.639	0.628	1.185	0.587	93.991	4.003	0.186	0.004	0.003
12/29/2025	1029.058	0.626	1.185	0.587	94.062	3.942	0.179	0.003	0.003
12/28/2025	1028.304	0.622	1.205	0.586	94.114	3.884	0.169	0.003	0.003
12/27/2025	1028.861	0.624	1.170	0.586	94.125	3.899	0.175	0.003	0.003
12/26/2025	1029.903	0.630	1.119	0.587	94.106	3.950	0.188	0.004	0.003
12/25/2025	1031.653	0.645	1.081	0.588	93.966	4.081	0.219	0.004	0.003
12/24/2025	1033.410	0.657	1.068	0.589	93.774	4.239	0.254	0.005	0.004
12/23/2025	1034.778	0.667	1.056	0.590	93.628	4.360	0.280	0.005	0.004
12/22/2025	1035.514	0.666	1.066	0.590	93.529	4.430	0.299	0.005	0.004
12/21/2025	1035.582	0.658	1.086	0.590	93.510	4.420	0.315	0.006	0.004
12/20/2025	1035.430	0.654	1.100	0.590	93.513	4.399	0.323	0.006	0.004
12/19/2025	1035.069	0.659	1.088	0.590	93.569	4.360	0.315	0.005	0.004
12/18/2025	1034.654	0.667	1.075	0.590	93.619	4.330	0.300	0.005	0.004
12/17/2025	1033.996	0.667	1.061	0.589	93.729	4.243	0.292	0.005	0.004
12/16/2025	1032.870	0.659	1.081	0.589	93.820	4.165	0.267	0.005	0.003
12/15/2025	1032.378	0.652	1.097	0.588	93.851	4.139	0.254	0.004	0.003
12/14/2025	1031.956	0.645	1.090	0.588	93.932	4.081	0.245	0.004	0.003