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Gas Quality / Gas Quality By Date

Date Requested: May 25 2026 6:21 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


05/25/2026	1029.871	0.513	1.924	0.593	92.909	4.201	0.356	0.020	0.045	0.007	0.009	0.005	0.004
05/24/2026	1029.871	0.513	1.924	0.593	92.909	4.201	0.356	0.020	0.045	0.007	0.009	0.005	0.004
05/23/2026	1029.157	0.505	1.984	0.593	92.899	4.156	0.353	0.020	0.047	0.008	0.011	0.006	0.005
05/22/2026	1030.846	0.516	1.968	0.594	92.704	4.347	0.365	0.020	0.046	0.008	0.010	0.007	0.005
05/21/2026	1034.735	0.593	1.822	0.597	92.332	4.793	0.371	0.018	0.039	0.006	0.008	0.006	0.005
05/20/2026	1028.283	0.413	2.149	0.593	92.821	4.154	0.375	0.019	0.040	0.007	0.008	0.005	0.004
05/19/2026	1034.114	0.489	1.997	0.596	92.347	4.595	0.468	0.026	0.054	0.008	0.009	0.004	0.002
05/18/2026	1035.592	0.491	1.980	0.597	92.244	4.670	0.504	0.027	0.057	0.008	0.009	0.004	0.002
05/17/2026	1035.459	0.538	1.970	0.598	92.158	4.744	0.474	0.027	0.059	0.009	0.010	0.005	0.003
05/16/2026	1033.188	0.491	2.076	0.597	92.315	4.562	0.433	0.027	0.060	0.010	0.012	0.007	0.005
05/15/2026	1034.538	0.508	2.051	0.598	92.177	4.682	0.455	0.028	0.064	0.010	0.013	0.007	0.004
05/14/2026	1042.201	0.614	1.893	0.603	91.487	5.255	0.597	0.037	0.080	0.012	0.013	0.006	0.003
05/13/2026	1041.574	0.574	1.925	0.602	91.505	5.308	0.552	0.033	0.071	0.010	0.012	0.006	0.003
05/12/2026	1034.007	0.537	2.358	0.601	91.579	4.851	0.525	0.034	0.076	0.013	0.015	0.007	0.004
05/11/2026	1039.696	0.676	1.745	0.600	91.817	5.175	0.464	0.029	0.063	0.010	0.012	0.005	0.003
05/10/2026	1036.981	0.650	1.846	0.599	91.965	4.992	0.427	0.026	0.059	0.010	0.012	0.006	0.004
05/09/2026	1032.051	0.480	2.109	0.596	92.336	4.565	0.405	0.023	0.050	0.008	0.010	0.006	0.004
05/08/2026	1025.421	0.298	2.372	0.592	92.902	3.994	0.355	0.018	0.037	0.006	0.007	0.005	0.004
05/07/2026	1024.961	0.354	2.334	0.592	92.886	4.007	0.344	0.018	0.038	0.006	0.007	0.003	0.002
05/06/2026	1029.061	0.464	2.185	0.595	92.556	4.300	0.389	0.025	0.054	0.009	0.010	0.005	0.002
05/05/2026	1035.766	0.517	2.009	0.598	92.177	4.656	0.492	0.034	0.076	0.012	0.014	0.007	0.003
05/04/2026	1037.264	0.582	1.848	0.598	92.283	4.604	0.510	0.038	0.085	0.014	0.017	0.008	0.005
05/03/2026	1027.981	0.407	2.219	0.594	92.863	3.951	0.433	0.028	0.061	0.010	0.012	0.007	0.005
05/02/2026	1029.426	0.448	2.127	0.594	92.793	4.067	0.442	0.028	0.060	0.009	0.011	0.006	0.005
05/01/2026	1035.430	0.581	1.983	0.599	92.067	4.793	0.444	0.028	0.063	0.011	0.013	0.008	0.005
04/30/2026	1037.907	0.632	1.906	0.600	91.835	5.028	0.460	0.029	0.066	0.012	0.015	0.008	0.006
04/29/2026	1033.605	0.562	2.053	0.598	92.121	4.720	0.425	0.025	0.057	0.010	0.012	0.007	0.004
04/28/2026	1035.074	0.596	1.988	0.599	92.022	4.831	0.442	0.027	0.059	0.010	0.012	0.006	0.004
04/27/2026	1031.890	0.504	2.268	0.598	92.106	4.502	0.471	0.032	0.069	0.013	0.016	0.010	0.007
04/26/2026	1027.581	0.453	2.187	0.594	92.720	4.166	0.384	0.022	0.047	0.007	0.008	0.004	0.002
04/25/2026	1029.723	0.563	2.059	0.595	92.524	4.353	0.404	0.023	0.051	0.008	0.009	0.004	0.002
04/24/2026	1043.167	0.863	1.567	0.604	91.373	5.585	0.481	0.030	0.067	0.011	0.013	0.005	0.002
04/23/2026	1050.162	1.007	1.345	0.608	90.774	6.182	0.533	0.036	0.081	0.014	0.017	0.008	0.004
04/22/2026	1033.927	0.632	1.933	0.598	92.165	4.737	0.423	0.025	0.055	0.009	0.010	0.005	0.003
04/21/2026	1036.312	0.657	1.920	0.600	91.881	4.970	0.457	0.026	0.058	0.009	0.011	0.006	0.004
04/20/2026	1030.055	0.553	2.072	0.596	92.453	4.443	0.385	0.022	0.047	0.007	0.009	0.004	0.003
04/19/2026	1025.769	0.443	2.288	0.593	92.698	4.115	0.382	0.019	0.040	0.005	0.005	0.002	0.001
04/18/2026	1031.585	0.566	2.018	0.596	92.351	4.580	0.389	0.023	0.051	0.008	0.009	0.004	0.001
04/17/2026	1038.041	0.717	1.836	0.601	91.754	5.083	0.479	0.031	0.068	0.011	0.012	0.005	0.002
04/16/2026	1035.289	0.636	1.995	0.600	91.855	4.966	0.430	0.027	0.060	0.010	0.011	0.005	0.003
04/15/2026	1033.490	0.623	1.944	0.598	92.186	4.753	0.382	0.024	0.054	0.010	0.011	0.006	0.003
04/14/2026	1041.923	0.816	1.640	0.603	91.480	5.485	0.438	0.030	0.069	0.012	0.015	0.008	0.005
04/13/2026	1033.943	0.628	1.927	0.598	92.133	4.841	0.365	0.022	0.051	0.009	0.011	0.006	0.004
04/12/2026	1025.817	0.438	2.196	0.592	92.930	4.040	0.304	0.017	0.040	0.008	0.010	0.006	0.005
04/11/2026	1025.829	0.447	2.150	0.592	93.001	4.020	0.290	0.017	0.040	0.008	0.010	0.007	0.005
04/10/2026	1028.091	0.499	2.106	0.594	92.717	4.266	0.318	0.018	0.042	0.008	0.010	0.006	0.005
04/09/2026	1025.122	0.478	2.109	0.592	93.069	3.974	0.293	0.016	0.035	0.006	0.008	0.005	0.003
04/08/2026	1025.013	0.461	2.109	0.591	93.120	3.954	0.279	0.015	0.034	0.006	0.008	0.005	0.004
04/07/2026	1021.882	0.371	2.309	0.590	93.221	3.764	0.271	0.014	0.029	0.005	0.006	0.004	0.003
04/06/2026	1033.162	0.630	1.842	0.596	92.339	4.773	0.331	0.018	0.039	0.007	0.008	0.005	0.003
04/05/2026	1037.998	0.732	1.725	0.600	91.893	5.143	0.389	0.024	0.055	0.010	0.012	0.007	0.005
04/04/2026	1034.519	0.631	1.872	0.598	92.203	4.813	0.371	0.023	0.051	0.009	0.012	0.007	0.005
04/03/2026	1023.652	0.466	2.062	0.590	93.384	3.722	0.289	0.017	0.038	0.007	0.008	0.004	0.002
04/02/2026	1025.035	0.539	1.991	0.591	93.171	3.955	0.272	0.016	0.035	0.006	0.007	0.003	0.002
04/01/2026	1039.312	0.832	1.490	0.600	92.016	5.159	0.391	0.025	0.054	0.010	0.012	0.006	0.004
03/31/2026	1032.612	0.639	1.778	0.596	92.586	4.561	0.338	0.022	0.044	0.008	0.010	0.006	0.004
03/30/2026	1021.947	0.331	2.324	0.590	93.311	3.689	0.268	0.016	0.032	0.006	0.008	0.005	0.005
03/29/2026	1022.182	0.343	2.335	0.590	93.217	3.754	0.276	0.017	0.032	0.006	0.008	0.005	0.004
03/28/2026	1020.170	0.377	2.222	0.588	93.538	3.588	0.226	0.012	0.023	0.004	0.005	0.002	0.001
03/27/2026	1031.483	0.570	1.901	0.595	92.519	4.612	0.326	0.017	0.034	0.006	0.007	0.003	0.002
03/26/2026	1029.030	0.540	1.951	0.594	92.809	4.300	0.322	0.017	0.036	0.006	0.008	0.004	0.003
03/25/2026	1021.576	0.402	2.200	0.589	93.418	3.661	0.258	0.014	0.029	0.005	0.006	0.003	0.002
03/24/2026	1022.753	0.423	2.109	0.589	93.414	3.734	0.264	0.014	0.028	0.005	0.005	0.003	0.001
03/23/2026	1043.922	0.825	1.604	0.604	91.124	5.937	0.424	0.021	0.044	0.007	0.008	0.003	0.002
03/22/2026	1037.238	0.598	2.255	0.603	90.951	5.715	0.412	0.018	0.035	0.005	0.005	0.002	0.001
03/21/2026	1025.300	0.487	2.053	0.591	93.137	3.966	0.286	0.015	0.032	0.006	0.007	0.004	0.003
03/20/2026	1019.282	0.334	2.327	0.588	93.603	3.429	0.236	0.013	0.029	0.005	0.007	0.005	0.005
03/19/2026	1024.382	0.428	2.140	0.591	93.213	3.861	0.279	0.015	0.034	0.006	0.008	0.005	0.004
03/18/2026	1022.399	0.411	2.165	0.590	93.404	3.691	0.259	0.014	0.031	0.006	0.007	0.004	0.004
03/17/2026	1027.532	0.497	1.876	0.591	93.234	4.031	0.290	0.016	0.033	0.006	0.007	0.003	0.003
03/16/2026	1029.933	0.556	1.843	0.593	92.942	4.238	0.334	0.020	0.042	0.008	0.009	0.004	0.003
03/15/2026	1023.207	0.375	2.216	0.590	93.302	3.745	0.286	0.015	0.034	0.006	0.007	0.004	0.004
03/14/2026	1020.850	0.335	2.267	0.588	93.541	3.528	0.259	0.014	0.032	0.006	0.007	0.004	0.003
03/13/2026	1018.916	0.275	2.389	0.587	93.594	3.444	0.244	0.012	0.025	0.004	0.006	0.003	0.003
03/12/2026	1013.870	0.237	2.426	0.584	94.143	2.971	0.182	0.009	0.019	0.003	0.004	0.002	0.001
03/11/2026	1025.131	0.457	2.036	0.591	93.280	3.853	0.299	0.017	0.036	0.006	0.007	0.004	0.003
03/10/2026	1026.749	0.502	2.031	0.592	92.977	4.094	0.328	0.017	0.035	0.005	0.006	0.003	0.001
03/09/2026	1025.357	0.488	2.075	0.592	93.081	3.972	0.315	0.017	0.035	0.006	0.006	0.003	0.001
03/08/2026	1029.016	0.545	1.810	0.592	93.131	4.109	0.324	0.019	0.039	0.007	0.008	0.004	0.002
03/07/2026	1027.385	0.482	1.966	0.592	93.112	4.047	0.314	0.018	0.038	0.006	0.007	0.004	0.003
03/06/2026	1028.886	0.533	1.900	0.593	92.961	4.206	0.320	0.018	0.039	0.006	0.007	0.004	0.003
03/05/2026	1026.917	0.484	1.979	0.592	93.096	4.076	0.295	0.016	0.035	0.006	0.006	0.003	0.002
03/04/2026	1027.359	0.495	1.937	0.592	93.050	4.183	0.282	0.014	0.027	0.004	0.004	0.002	0.001
03/03/2026	1038.141	0.642	1.569	0.597	92.318	5.004	0.393	0.021	0.038	0.005	0.005	0.002	0.001
03/02/2026	1037.795	0.611	1.685	0.597	92.191	5.024	0.413	0.021	0.038	0.005	0.005	0.002	0.001
03/01/2026	1037.805	0.589	1.816	0.598	91.935	5.193	0.386	0.020	0.040	0.006	0.007	0.003	0.002
02/28/2026	1034.998	0.582	1.765	0.596	92.400	4.820	0.354	0.019	0.038	0.006	0.007	0.004	0.003
02/27/2026	1034.490	0.573	1.734	0.595	92.537	4.738	0.345	0.018	0.036	0.005	0.006	0.003	0.002
02/26/2026	1027.786	0.462	1.965	0.592	93.059	4.157	0.294	0.015	0.030	0.004	0.005	0.003	0.002
02/25/2026	1033.950	0.612	1.682	0.595	92.593	4.732	0.314	0.016	0.031	0.005	0.006	0.003	0.003
02/24/2026	1030.917	0.546	1.835	0.594	92.784	4.457	0.312	0.016	0.031	0.005	0.005	0.003	0.002
02/23/2026	1030.741	0.536	1.866	0.594	92.738	4.485	0.313	0.016	0.030	0.005	0.005	0.003	0.002
02/22/2026	1032.419	0.598	1.873	0.596	92.371	4.768	0.329	0.016	0.030	0.004	0.005	0.002	0.002
02/21/2026	1027.172	0.468	2.126	0.593	92.744	4.292	0.309	0.016	0.030	0.005	0.005	0.002	0.001