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Gas Quality / Gas Quality By Date

Date Requested: May 14 2026 3:16 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


05/14/2026	1024.085	0.423	2.363	0.593	92.801	3.987	0.331	0.025	0.049	0.008	0.009	0.003	0.003
05/13/2026	1024.085	0.423	2.363	0.593	92.801	3.987	0.331	0.025	0.049	0.008	0.009	0.003	0.003
05/12/2026	1023.463	0.415	2.406	0.593	92.797	3.953	0.335	0.024	0.049	0.007	0.008	0.003	0.003
05/11/2026	1022.923	0.412	2.439	0.593	92.799	3.918	0.338	0.024	0.048	0.007	0.008	0.003	0.003
05/10/2026	1020.846	0.458	2.684	0.595	92.483	3.866	0.407	0.027	0.052	0.008	0.008	0.004	0.004
05/09/2026	1015.179	0.459	2.869	0.593	92.791	3.372	0.406	0.026	0.051	0.008	0.008	0.005	0.005
05/08/2026	1025.059	0.665	2.384	0.598	92.194	4.212	0.436	0.029	0.056	0.008	0.009	0.004	0.004
05/07/2026	1033.656	0.724	2.399	0.604	91.129	5.024	0.576	0.040	0.080	0.011	0.012	0.004	0.004
05/06/2026	1036.225	0.523	2.142	0.600	91.649	5.135	0.430	0.031	0.064	0.010	0.011	0.003	0.003
05/05/2026	1035.724	0.645	2.127	0.601	91.582	4.988	0.530	0.034	0.067	0.009	0.010	0.004	0.004
05/04/2026	1034.824	0.634	2.136	0.601	91.679	4.914	0.515	0.033	0.065	0.009	0.009	0.003	0.003
05/03/2026	1035.342	0.641	2.119	0.601	91.639	4.955	0.523	0.033	0.065	0.009	0.009	0.003	0.003
05/02/2026	1037.274	0.679	2.027	0.602	91.535	5.093	0.539	0.035	0.067	0.009	0.009	0.003	0.003
05/01/2026	1037.025	0.670	2.031	0.602	91.572	5.065	0.535	0.034	0.067	0.009	0.010	0.003	0.003
04/30/2026	1037.024	0.666	2.046	0.602	91.546	5.082	0.533	0.035	0.067	0.009	0.010	0.003	0.003
04/29/2026	1038.422	0.683	2.045	0.603	91.357	5.233	0.550	0.036	0.071	0.010	0.010	0.003	0.003
04/28/2026	1036.521	0.647	2.091	0.602	91.559	5.040	0.533	0.035	0.070	0.010	0.010	0.003	0.003
04/27/2026	1037.117	0.656	2.099	0.602	91.457	5.116	0.540	0.036	0.071	0.010	0.010	0.003	0.003
04/26/2026	1038.695	0.684	2.059	0.603	91.299	5.266	0.555	0.037	0.073	0.010	0.010	0.003	0.003
04/25/2026	1042.610	0.742	1.954	0.605	90.928	5.656	0.586	0.037	0.072	0.010	0.010	0.003	0.003
04/24/2026	1039.022	0.680	2.010	0.603	91.314	5.353	0.520	0.033	0.065	0.009	0.010	0.003	0.003
04/23/2026	1042.186	0.730	1.974	0.605	90.926	5.677	0.566	0.035	0.067	0.009	0.010	0.003	0.003
04/22/2026	1040.297	0.689	2.025	0.604	91.127	5.487	0.547	0.034	0.067	0.009	0.009	0.003	0.003
04/21/2026	1039.533	0.669	2.025	0.603	91.253	5.397	0.537	0.033	0.064	0.009	0.009	0.003	0.003
04/20/2026	1041.487	0.731	2.048	0.606	90.879	5.622	0.585	0.037	0.072	0.010	0.010	0.003	0.003
04/19/2026	1042.235	0.747	2.039	0.606	90.770	5.720	0.589	0.037	0.073	0.010	0.010	0.003	0.003
04/18/2026	1049.022	0.876	1.944	0.612	89.946	6.394	0.685	0.043	0.084	0.011	0.011	0.003	0.003
04/17/2026	1046.177	0.835	2.023	0.610	90.185	6.162	0.640	0.042	0.083	0.011	0.012	0.003	0.003
04/16/2026	1045.733	0.837	2.038	0.610	90.193	6.150	0.626	0.042	0.085	0.012	0.012	0.003	0.003
04/15/2026	1048.673	0.906	1.920	0.612	89.971	6.383	0.657	0.043	0.089	0.012	0.012	0.003	0.003
04/14/2026	1048.062	0.898	1.916	0.611	90.047	6.341	0.639	0.042	0.086	0.012	0.012	0.003	0.003
04/13/2026	1037.595	0.702	2.245	0.605	90.956	5.421	0.538	0.036	0.074	0.011	0.011	0.003	0.003
04/12/2026	1036.300	0.657	2.287	0.604	91.086	5.333	0.507	0.034	0.070	0.010	0.010	0.003	0.003
04/11/2026	1035.690	0.632	2.310	0.603	91.147	5.291	0.491	0.033	0.068	0.010	0.010	0.003	0.003
04/10/2026	1036.083	0.621	2.250	0.603	91.201	5.363	0.446	0.030	0.062	0.010	0.010	0.003	0.003
04/09/2026	1038.201	0.642	2.403	0.606	90.707	5.539	0.557	0.039	0.078	0.012	0.014	0.005	0.005
04/08/2026	1034.693	0.624	2.368	0.603	91.053	5.392	0.479	0.025	0.045	0.005	0.005	0.002	0.002
04/07/2026	1041.475	0.751	2.341	0.609	90.297	5.778	0.679	0.042	0.082	0.012	0.012	0.004	0.004
04/06/2026	1037.787	0.720	2.296	0.606	90.774	5.489	0.609	0.034	0.060	0.007	0.007	0.002	0.002
04/05/2026	1031.093	0.627	2.435	0.601	91.449	4.855	0.529	0.031	0.056	0.007	0.007	0.002	0.002
04/04/2026	1035.373	0.592	2.379	0.603	91.089	5.323	0.514	0.030	0.055	0.007	0.007	0.002	0.002
04/03/2026	1036.612	0.590	2.473	0.605	90.640	5.762	0.435	0.027	0.052	0.008	0.008	0.003	0.003
04/02/2026	1040.152	0.588	2.311	0.605	90.482	6.127	0.411	0.024	0.043	0.005	0.005	0.002	0.002
04/01/2026	1049.665	0.573	2.291	0.611	89.662	6.683	0.674	0.034	0.060	0.008	0.008	0.003	0.003
03/31/2026	1044.089	0.715	2.133	0.608	90.069	6.609	0.398	0.022	0.040	0.006	0.006	0.002	0.002
03/30/2026	1047.366	0.739	2.099	0.610	89.698	6.960	0.431	0.021	0.036	0.005	0.006	0.003	0.003
03/29/2026	1038.514	0.514	2.214	0.602	90.999	5.869	0.333	0.019	0.035	0.006	0.006	0.002	0.002
03/28/2026	1042.447	0.574	2.302	0.606	90.229	6.422	0.389	0.023	0.043	0.007	0.007	0.002	0.002
03/27/2026	1039.866	0.517	2.308	0.604	90.492	6.360	0.271	0.015	0.026	0.004	0.004	0.001	0.001
03/26/2026	1042.366	0.585	2.191	0.605	90.314	6.554	0.303	0.015	0.028	0.004	0.004	0.001	0.001
03/25/2026	1039.788	0.599	2.349	0.606	90.208	6.530	0.264	0.014	0.026	0.004	0.004	0.001	0.001
03/24/2026	1040.912	0.663	2.192	0.606	90.218	6.660	0.227	0.011	0.021	0.003	0.003	0.001	0.001
03/23/2026	1042.878	0.735	2.171	0.608	90.001	6.679	0.359	0.017	0.029	0.003	0.003	0.001	0.001
03/22/2026	1037.868	0.630	2.455	0.606	90.274	6.212	0.360	0.020	0.036	0.005	0.005	0.002	0.002
03/21/2026	1042.098	0.669	2.411	0.609	89.930	6.411	0.471	0.029	0.056	0.009	0.009	0.003	0.003
03/20/2026	1048.106	0.702	2.206	0.611	89.572	6.910	0.508	0.029	0.052	0.007	0.007	0.003	0.003
03/19/2026	1048.499	0.818	2.160	0.613	89.265	7.212	0.464	0.023	0.042	0.005	0.005	0.002	0.002
03/18/2026	1043.719	0.668	2.413	0.610	89.569	6.870	0.410	0.021	0.037	0.004	0.004	0.002	0.002
03/17/2026	1042.900	0.686	2.367	0.609	89.631	6.929	0.330	0.016	0.029	0.004	0.004	0.001	0.001
03/16/2026	1041.496	0.650	2.393	0.608	89.835	6.731	0.336	0.019	0.031	0.005	0.000	0.000	0.000
03/15/2026	1040.413	0.591	2.469	0.607	89.950	6.593	0.342	0.017	0.029	0.004	0.004	0.001	0.001
03/14/2026	1045.014	0.689	2.376	0.611	89.344	7.183	0.355	0.016	0.028	0.003	0.003	0.001	0.001
03/13/2026	1034.376	0.332	2.566	0.600	90.988	5.843	0.220	0.013	0.026	0.005	0.005	0.002	0.002
03/12/2026	1031.166	0.093	2.578	0.594	91.853	5.282	0.146	0.011	0.024	0.005	0.005	0.002	0.002
03/11/2026	1033.034	0.238	2.607	0.598	91.213	5.729	0.175	0.010	0.020	0.003	0.004	0.001	0.001
03/10/2026	1034.109	0.205	2.592	0.598	91.281	5.644	0.216	0.015	0.032	0.006	0.006	0.002	0.002
03/09/2026	1032.305	0.186	2.596	0.597	91.487	5.492	0.194	0.012	0.023	0.004	0.004	0.001	0.001
03/08/2026	1038.811	0.388	2.638	0.605	90.445	6.011	0.395	0.029	0.067	0.011	0.012	0.003	0.003
03/07/2026	1037.776	0.411	2.496	0.603	90.630	6.091	0.314	0.016	0.029	0.004	0.004	0.002	0.002
03/06/2026	1048.549	0.552	2.213	0.609	89.849	6.797	0.472	0.030	0.061	0.009	0.010	0.004	0.004
03/05/2026	1043.980	0.493	2.062	0.603	90.671	6.379	0.330	0.018	0.033	0.005	0.005	0.002	0.002
03/04/2026	1045.022	0.589	1.927	0.604	90.672	6.374	0.369	0.020	0.036	0.005	0.005	0.002	0.002
03/03/2026	1046.384	0.639	1.873	0.605	90.580	6.409	0.416	0.023	0.043	0.006	0.006	0.002	0.002
03/02/2026	1043.871	0.579	1.898	0.603	90.896	6.207	0.350	0.019	0.035	0.005	0.005	0.002	0.002
03/01/2026	1041.466	0.498	2.061	0.602	91.084	5.916	0.340	0.024	0.051	0.009	0.010	0.003	0.003
02/28/2026	1038.091	0.354	2.413	0.601	91.096	5.663	0.353	0.029	0.063	0.010	0.011	0.004	0.004
02/27/2026	1041.199	0.364	2.253	0.602	91.090	5.771	0.397	0.032	0.065	0.010	0.011	0.004	0.004
02/26/2026	1039.600	0.330	2.231	0.600	91.236	5.808	0.324	0.019	0.036	0.005	0.006	0.002	0.002
02/25/2026	1045.870	0.551	2.206	0.607	90.307	6.285	0.518	0.033	0.066	0.011	0.011	0.006	0.006
02/24/2026	1038.887	0.318	2.345	0.600	91.118	5.822	0.312	0.022	0.043	0.007	0.008	0.003	0.003
02/23/2026	1038.179	0.330	2.245	0.599	91.429	5.582	0.330	0.022	0.042	0.007	0.007	0.003	0.003
02/22/2026	1036.768	0.285	2.353	0.599	91.411	5.586	0.288	0.019	0.038	0.007	0.007	0.003	0.003
02/21/2026	1041.334	0.430	2.147	0.602	91.120	5.797	0.405	0.027	0.052	0.008	0.008	0.003	0.003
02/20/2026	1040.369	0.441	2.043	0.600	91.306	5.828	0.310	0.019	0.036	0.006	0.006	0.002	0.002
02/19/2026	1037.469	0.430	2.170	0.599	91.357	5.701	0.281	0.016	0.030	0.005	0.005	0.002	0.002
02/18/2026	1031.264	0.364	2.558	0.599	91.372	5.410	0.239	0.015	0.028	0.005	0.005	0.002	0.002
02/17/2026	1031.388	0.299	2.523	0.597	91.541	5.375	0.214	0.013	0.024	0.004	0.004	0.002	0.002
02/16/2026	1030.761	0.278	2.529	0.597	91.629	5.323	0.198	0.012	0.021	0.004	0.004	0.001	0.001
02/15/2026	1030.853	0.283	2.649	0.598	91.382	5.403	0.231	0.014	0.026	0.004	0.005	0.002	0.002
02/14/2026	1031.382	0.273	2.636	0.598	91.397	5.392	0.237	0.016	0.032	0.006	0.006	0.002	0.002
02/13/2026	1030.363	0.261	2.580	0.597	91.651	5.232	0.224	0.014	0.027	0.004	0.004	0.002	0.002
02/12/2026	1031.468	0.134	2.529	0.595	91.822	5.317	0.159	0.010	0.020	0.003	0.004	0.001	0.001
02/11/2026	1034.137	0.293	2.465	0.598	91.300	5.700	0.198	0.012	0.022	0.004	0.004	0.001	0.001
02/10/2026	1034.491	0.294	2.468	0.599	91.285	5.680	0.224	0.013	0.024	0.004	0.004	0.001	0.001