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Gas Quality / Gas Quality By Date

Date Requested: Mar 10 2026 4:13 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


03/10/2026	1029.649	0.637	1.594	0.592	93.307	4.071	0.313	0.019	0.039	0.007	0.007	0.003	0.003
03/09/2026	1029.649	0.637	1.594	0.592	93.307	4.071	0.313	0.019	0.039	0.007	0.007	0.003	0.003
03/08/2026	1035.744	0.745	1.428	0.596	92.723	4.655	0.358	0.022	0.045	0.008	0.009	0.004	0.004
03/07/2026	1041.975	0.874	1.117	0.598	92.450	5.026	0.419	0.027	0.057	0.010	0.011	0.004	0.004
03/06/2026	1043.185	0.863	1.193	0.600	92.129	5.283	0.421	0.026	0.056	0.010	0.010	0.004	0.004
03/05/2026	1043.317	0.863	1.211	0.600	92.059	5.347	0.412	0.025	0.055	0.010	0.010	0.004	0.004
03/04/2026	1040.387	0.771	1.338	0.598	92.272	5.161	0.371	0.021	0.044	0.008	0.008	0.003	0.003
03/03/2026	1044.356	0.856	1.069	0.599	92.137	5.496	0.371	0.020	0.035	0.006	0.005	0.002	0.002
03/02/2026	1044.729	0.789	1.146	0.599	92.122	5.452	0.413	0.023	0.038	0.006	0.005	0.003	0.003
03/01/2026	1054.570	0.906	0.800	0.603	91.486	6.232	0.476	0.028	0.050	0.008	0.008	0.003	0.003
02/28/2026	1046.360	0.795	1.179	0.600	91.876	5.630	0.424	0.026	0.047	0.008	0.008	0.004	0.004
02/27/2026	1052.870	0.924	1.015	0.605	91.191	6.292	0.467	0.028	0.055	0.010	0.010	0.004	0.004
02/26/2026	1049.652	0.922	0.959	0.602	91.569	6.094	0.384	0.019	0.035	0.006	0.005	0.003	0.003
02/25/2026	1045.370	0.884	1.081	0.600	91.885	5.739	0.346	0.017	0.032	0.005	0.005	0.003	0.003
02/24/2026	1039.504	0.789	1.311	0.597	92.329	5.161	0.344	0.017	0.033	0.005	0.005	0.003	0.003
02/23/2026	1039.715	0.758	1.308	0.597	92.340	5.213	0.324	0.016	0.029	0.004	0.004	0.002	0.002
02/22/2026	1041.619	0.824	1.362	0.600	91.823	5.595	0.341	0.016	0.028	0.004	0.003	0.002	0.002
02/21/2026	1039.258	0.752	1.509	0.599	91.954	5.392	0.339	0.016	0.029	0.004	0.003	0.002	0.002
02/20/2026	1034.498	0.628	1.568	0.594	92.679	4.768	0.307	0.015	0.026	0.004	0.003	0.001	0.001
02/19/2026	1050.647	0.906	0.902	0.602	91.578	6.169	0.383	0.018	0.032	0.004	0.004	0.001	0.001
02/18/2026	1050.091	0.881	0.887	0.601	91.719	6.096	0.356	0.018	0.033	0.004	0.004	0.001	0.001
02/17/2026	1045.830	0.810	1.094	0.599	91.939	5.749	0.354	0.016	0.029	0.004	0.003	0.001	0.001
02/16/2026	1041.214	0.733	1.282	0.597	92.270	5.321	0.340	0.016	0.028	0.004	0.003	0.002	0.002
02/15/2026	1050.522	0.873	0.907	0.602	91.679	6.088	0.382	0.019	0.037	0.005	0.005	0.002	0.002
02/14/2026	1046.809	0.848	1.050	0.600	91.815	5.887	0.349	0.015	0.027	0.003	0.003	0.001	0.001
02/13/2026	1043.012	0.773	1.218	0.598	92.061	5.573	0.329	0.014	0.025	0.003	0.002	0.001	0.001
02/12/2026	1043.120	0.767	1.189	0.598	92.154	5.489	0.350	0.015	0.027	0.003	0.003	0.001	0.001
02/11/2026	1043.410	0.716	1.329	0.599	92.012	5.452	0.429	0.019	0.033	0.004	0.003	0.001	0.001
02/10/2026	1041.114	0.686	1.377	0.597	92.216	5.279	0.387	0.017	0.029	0.003	0.003	0.001	0.001
02/09/2026	1039.897	0.671	1.374	0.596	92.375	5.176	0.353	0.016	0.028	0.003	0.002	0.001	0.001
02/08/2026	1043.981	0.782	1.141	0.598	92.112	5.573	0.343	0.015	0.026	0.003	0.003	0.001	0.001
02/07/2026	1046.833	0.855	1.083	0.601	91.700	5.969	0.350	0.014	0.023	0.003	0.002	0.000	0.000
02/06/2026	1036.974	0.759	1.490	0.597	92.253	5.133	0.311	0.014	0.026	0.004	0.004	0.003	0.003
02/05/2026	1036.986	0.639	1.620	0.597	92.232	5.148	0.308	0.014	0.026	0.004	0.004	0.003	0.003
02/04/2026	1035.222	0.638	1.754	0.597	92.160	5.082	0.306	0.015	0.028	0.005	0.005	0.004	0.004
02/03/2026	1039.292	0.687	1.610	0.599	91.850	5.468	0.335	0.015	0.025	0.003	0.003	0.002	0.002
02/02/2026	1042.018	0.711	1.522	0.600	91.675	5.682	0.355	0.016	0.027	0.004	0.003	0.002	0.002
02/01/2026	1044.790	0.726	1.617	0.603	91.260	5.854	0.442	0.032	0.043	0.009	0.007	0.005	0.005
01/31/2026	1051.180	0.737	1.655	0.608	90.412	6.564	0.519	0.038	0.048	0.010	0.008	0.005	0.005
01/30/2026	1050.921	0.724	1.553	0.606	90.732	6.357	0.508	0.041	0.051	0.012	0.009	0.006	0.006
01/29/2026	1048.870	0.795	1.436	0.605	91.103	6.043	0.493	0.045	0.051	0.013	0.009	0.006	0.006
01/28/2026	1046.308	0.809	1.317	0.602	91.577	5.767	0.416	0.039	0.043	0.012	0.009	0.006	0.006
01/27/2026	1039.291	0.715	1.262	0.596	92.526	5.174	0.281	0.011	0.020	0.003	0.003	0.002	0.002
01/26/2026	1041.205	0.734	1.357	0.598	92.079	5.451	0.329	0.013	0.025	0.003	0.003	0.003	0.003
01/25/2026	1038.647	0.721	1.455	0.597	92.227	5.216	0.324	0.015	0.029	0.004	0.004	0.003	0.003
01/24/2026	1043.994	0.804	1.303	0.600	91.670	5.847	0.331	0.013	0.023	0.003	0.003	0.002	0.002
01/23/2026	1044.144	0.783	1.259	0.600	91.814	5.766	0.324	0.014	0.027	0.004	0.004	0.002	0.002
01/22/2026	1038.924	0.713	1.425	0.597	92.254	5.250	0.307	0.013	0.025	0.004	0.004	0.003	0.003
01/21/2026	1038.130	0.706	1.430	0.596	92.384	5.103	0.318	0.015	0.029	0.004	0.004	0.003	0.003
01/20/2026	1038.781	0.740	1.351	0.597	92.325	5.263	0.280	0.011	0.020	0.003	0.003	0.002	0.002
01/19/2026	1039.798	0.715	1.295	0.596	92.372	5.305	0.273	0.011	0.019	0.003	0.003	0.002	0.002
01/18/2026	1038.714	0.746	1.371	0.597	92.281	5.271	0.288	0.012	0.022	0.003	0.003	0.002	0.002
01/17/2026	1039.028	0.770	1.316	0.597	92.343	5.218	0.307	0.013	0.024	0.004	0.003	0.002	0.002
01/16/2026	1042.513	0.876	1.221	0.600	91.888	5.645	0.319	0.014	0.027	0.004	0.003	0.002	0.002
01/15/2026	1043.096	0.822	1.212	0.599	91.972	5.610	0.329	0.015	0.028	0.004	0.004	0.002	0.002
01/14/2026	1043.695	0.825	1.201	0.599	91.953	5.611	0.346	0.017	0.034	0.005	0.005	0.002	0.002
01/13/2026	1039.877	0.757	1.315	0.597	92.252	5.334	0.295	0.013	0.024	0.004	0.003	0.002	0.002
01/12/2026	1039.244	0.745	1.349	0.597	92.334	5.200	0.309	0.016	0.032	0.005	0.005	0.002	0.002
01/11/2026	1046.309	0.832	1.065	0.600	91.919	5.769	0.352	0.017	0.032	0.005	0.005	0.002	0.002
01/10/2026	1046.858	0.856	1.115	0.601	91.706	5.888	0.364	0.018	0.035	0.006	0.006	0.003	0.003
01/09/2026	1052.408	0.955	0.838	0.603	91.381	6.383	0.386	0.016	0.029	0.004	0.004	0.002	0.002
01/08/2026	1043.881	0.800	1.206	0.599	92.019	5.538	0.362	0.019	0.037	0.007	0.006	0.003	0.003
01/07/2026	1047.055	0.854	1.080	0.601	91.813	5.790	0.378	0.022	0.042	0.008	0.008	0.003	0.003
01/06/2026	1044.548	0.797	1.196	0.600	91.996	5.554	0.373	0.021	0.042	0.008	0.008	0.003	0.003
01/05/2026	1044.032	0.868	1.139	0.600	92.013	5.529	0.370	0.020	0.040	0.007	0.007	0.003	0.003
01/04/2026	1040.097	0.794	1.388	0.599	92.057	5.356	0.339	0.017	0.033	0.006	0.005	0.002	0.002
01/03/2026	1049.826	0.969	1.075	0.604	91.198	6.281	0.399	0.020	0.039	0.007	0.007	0.003	0.003
01/02/2026	1044.500	0.866	1.278	0.601	91.611	5.814	0.357	0.019	0.036	0.006	0.006	0.003	0.003
01/01/2026	1051.288	0.999	1.110	0.606	90.939	6.428	0.421	0.025	0.052	0.009	0.010	0.004	0.004
12/31/2025	1035.171	0.627	1.674	0.596	92.330	5.034	0.289	0.013	0.024	0.004	0.003	0.002	0.002
12/30/2025	1038.482	0.648	1.656	0.598	91.989	5.300	0.338	0.018	0.035	0.006	0.006	0.002	0.002
12/29/2025	1042.786	0.748	1.518	0.601	91.578	5.698	0.381	0.020	0.039	0.007	0.006	0.003	0.003
12/28/2025	1042.533	0.809	1.454	0.601	91.599	5.693	0.372	0.019	0.037	0.006	0.006	0.002	0.002
12/27/2025	1040.972	0.751	1.474	0.599	91.865	5.483	0.356	0.018	0.036	0.006	0.006	0.002	0.002
12/26/2025	1045.923	0.895	1.313	0.603	91.356	5.934	0.417	0.022	0.044	0.007	0.007	0.002	0.002
12/25/2025	1044.830	0.876	1.264	0.602	91.595	5.821	0.366	0.020	0.039	0.007	0.007	0.003	0.003
12/24/2025	1045.671	0.845	1.310	0.602	91.484	5.891	0.386	0.021	0.041	0.007	0.007	0.003	0.003
12/23/2025	1036.192	0.705	1.626	0.597	92.229	5.034	0.333	0.018	0.036	0.006	0.006	0.003	0.003
12/22/2025	1036.381	0.657	1.697	0.597	92.198	5.019	0.341	0.021	0.043	0.008	0.008	0.004	0.004
12/21/2025	1043.121	0.757	1.613	0.602	91.287	5.896	0.370	0.019	0.038	0.007	0.007	0.003	0.003
12/20/2025	1042.543	0.768	1.527	0.601	91.498	5.776	0.366	0.018	0.033	0.005	0.005	0.002	0.002
12/19/2025	1055.288	0.983	1.172	0.609	90.218	7.149	0.406	0.019	0.036	0.006	0.006	0.002	0.002
12/18/2025	1054.811	1.009	1.081	0.608	90.485	6.901	0.448	0.021	0.038	0.006	0.006	0.002	0.002
12/17/2025	1047.870	0.858	1.413	0.605	90.977	6.235	0.429	0.023	0.044	0.008	0.007	0.003	0.003
12/16/2025	1043.647	0.830	1.590	0.604	91.148	5.941	0.408	0.021	0.041	0.007	0.007	0.003	0.003
12/15/2025	1046.318	0.865	1.513	0.605	90.935	6.170	0.427	0.023	0.045	0.008	0.008	0.003	0.003
12/14/2025	1043.369	0.793	1.500	0.602	91.370	5.933	0.342	0.016	0.031	0.005	0.005	0.002	0.002
12/13/2025	1043.379	0.797	1.614	0.603	91.182	5.934	0.394	0.021	0.040	0.007	0.006	0.003	0.003
12/12/2025	1047.326	0.856	1.493	0.605	90.814	6.367	0.388	0.021	0.042	0.007	0.007	0.003	0.003
12/11/2025	1053.593	0.948	1.353	0.609	90.260	6.847	0.487	0.027	0.053	0.009	0.009	0.003	0.003
12/10/2025	1047.370	0.843	1.495	0.605	90.929	6.188	0.444	0.025	0.050	0.009	0.009	0.004	0.004
12/09/2025	1048.381	0.872	1.451	0.606	90.830	6.297	0.452	0.025	0.050	0.008	0.008	0.003	0.003
12/08/2025	1051.222	0.912	1.419	0.608	90.437	6.705	0.422	0.026	0.053	0.010	0.010	0.004	0.004
12/07/2025	1052.992	0.997	1.248	0.609	90.307	6.988	0.377	0.021	0.041	0.007	0.007	0.003	0.003