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Gas Quality / Gas Quality By Date

Date Requested: Jul 28 2026 12:12 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 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


07/28/2026	1039.942	0.823	1.497	0.600	91.960	5.169	0.439	0.028	0.059	0.009	0.010	0.003	0.003
07/27/2026	1061.191	1.179	1.054	0.615	89.772	7.139	0.688	0.041	0.088	0.014	0.016	0.005	0.005
07/26/2026	1066.241	1.168	1.216	0.620	88.783	7.933	0.747	0.040	0.082	0.012	0.013	0.004	0.004
07/25/2026	1077.031	1.264	1.235	0.628	87.148	9.412	0.790	0.039	0.080	0.012	0.013	0.004	0.004
07/24/2026	1037.021	0.743	1.588	0.598	92.280	4.851	0.443	0.025	0.050	0.007	0.008	0.002	0.002
07/23/2026	1068.188	1.390	0.595	0.618	89.432	7.731	0.684	0.042	0.089	0.013	0.015	0.004	0.004
07/22/2026	1052.751	0.987	1.117	0.607	90.922	6.310	0.539	0.033	0.067	0.010	0.010	0.003	0.003
07/21/2026	1058.978	1.209	0.956	0.613	90.100	6.970	0.617	0.037	0.078	0.012	0.013	0.004	0.004
07/20/2026	1027.096	0.600	1.770	0.591	93.308	3.941	0.303	0.019	0.038	0.007	0.007	0.003	0.003
07/19/2026	1034.785	0.679	1.737	0.597	92.359	4.708	0.417	0.025	0.050	0.008	0.009	0.003	0.003
07/18/2026	1029.396	0.585	1.775	0.593	93.103	4.106	0.341	0.022	0.045	0.008	0.009	0.004	0.004
07/17/2026	1036.122	0.722	1.583	0.597	92.455	4.736	0.394	0.026	0.054	0.010	0.011	0.005	0.005
07/16/2026	1058.712	1.237	0.811	0.612	90.431	6.763	0.591	0.039	0.086	0.015	0.017	0.005	0.005
07/15/2026	1054.182	1.065	0.962	0.608	90.986	6.306	0.521	0.037	0.081	0.015	0.017	0.005	0.005
07/14/2026	1043.303	0.852	1.486	0.603	91.500	5.601	0.444	0.028	0.060	0.010	0.012	0.003	0.003
07/13/2026	1054.292	1.009	1.447	0.612	89.825	7.090	0.534	0.025	0.050	0.007	0.008	0.002	0.002
07/12/2026	1042.283	0.800	1.472	0.601	91.872	5.207	0.529	0.031	0.062	0.010	0.010	0.003	0.003
07/11/2026	1042.170	0.760	1.577	0.601	91.696	5.344	0.517	0.028	0.056	0.008	0.009	0.003	0.003
07/10/2026	1075.368	1.113	1.906	0.632	85.904	10.296	0.700	0.024	0.045	0.005	0.005	0.001	0.001
07/09/2026	1075.348	1.208	1.619	0.630	86.432	9.906	0.733	0.028	0.055	0.007	0.008	0.002	0.002
07/08/2026	1079.656	1.110	2.000	0.635	85.179	10.885	0.742	0.025	0.047	0.005	0.005	0.001	0.001
07/07/2026	1077.069	1.085	2.051	0.634	85.450	10.603	0.724	0.025	0.049	0.005	0.006	0.001	0.001
07/06/2026	1073.257	1.104	1.848	0.630	86.382	9.867	0.694	0.028	0.056	0.007	0.008	0.002	0.002
07/05/2026	1071.156	1.140	1.744	0.628	86.738	9.641	0.646	0.025	0.050	0.006	0.007	0.002	0.002
07/04/2026	1070.375	1.136	1.713	0.627	86.850	9.612	0.613	0.022	0.042	0.005	0.005	0.001	0.001
07/03/2026	1074.484	1.158	1.933	0.632	85.774	10.410	0.660	0.020	0.037	0.003	0.003	0.000	0.000
07/02/2026	1080.392	1.181	1.800	0.635	85.438	10.719	0.766	0.028	0.053	0.006	0.006	0.001	0.001
07/01/2026	1078.025	1.183	1.778	0.633	85.705	10.552	0.694	0.025	0.049	0.006	0.006	0.001	0.001
06/30/2026	1073.520	1.057	1.901	0.630	86.228	10.060	0.693	0.021	0.035	0.003	0.002	0.000	0.000
06/29/2026	1073.658	0.937	2.294	0.632	85.628	10.345	0.725	0.023	0.041	0.003	0.003	0.000	0.000
06/28/2026	1069.271	0.920	2.227	0.628	86.376	9.705	0.695	0.023	0.043	0.004	0.004	0.001	0.001
06/27/2026	1077.049	0.979	2.394	0.636	84.908	10.875	0.770	0.024	0.043	0.003	0.003	0.000	0.000
06/26/2026	1076.557	1.017	2.233	0.634	85.229	10.711	0.738	0.022	0.041	0.004	0.004	0.001	0.001
06/25/2026	1074.868	1.134	1.885	0.632	85.977	10.223	0.695	0.025	0.047	0.006	0.006	0.001	0.001
06/24/2026	1074.406	1.134	1.750	0.630	86.308	10.055	0.677	0.023	0.042	0.004	0.005	0.001	0.001
06/23/2026	1068.284	1.075	1.663	0.624	87.388	9.187	0.606	0.023	0.045	0.005	0.006	0.001	0.001
06/22/2026	1067.056	1.117	1.802	0.625	87.016	9.473	0.527	0.019	0.036	0.004	0.005	0.001	0.001
06/21/2026	1068.942	1.061	2.030	0.628	86.536	9.648	0.630	0.026	0.055	0.006	0.007	0.001	0.001
06/20/2026	1067.519	1.060	1.984	0.627	86.823	9.422	0.611	0.027	0.056	0.007	0.007	0.002	0.002
06/19/2026	1064.084	0.998	1.926	0.623	87.565	8.789	0.616	0.028	0.059	0.007	0.008	0.002	0.002
06/18/2026	1067.571	1.156	1.591	0.624	87.516	9.029	0.599	0.029	0.058	0.008	0.009	0.002	0.002
06/17/2026	1076.173	1.286	1.340	0.629	86.904	9.594	0.723	0.038	0.081	0.012	0.014	0.004	0.004
06/16/2026	1067.112	1.127	1.585	0.623	87.740	8.782	0.642	0.031	0.066	0.010	0.011	0.003	0.003
06/15/2026	1065.728	1.082	1.680	0.623	87.793	8.682	0.642	0.031	0.064	0.009	0.011	0.003	0.003
06/14/2026	1059.944	1.020	1.815	0.620	88.241	8.275	0.547	0.026	0.054	0.008	0.009	0.002	0.002
06/13/2026	1075.464	1.089	1.977	0.632	85.964	10.045	0.813	0.031	0.063	0.007	0.008	0.002	0.002
06/12/2026	1061.923	0.984	1.759	0.620	88.343	8.137	0.658	0.030	0.063	0.009	0.010	0.003	0.003
06/11/2026	1051.219	1.054	1.031	0.606	91.199	6.047	0.524	0.035	0.075	0.013	0.014	0.004	0.004
06/10/2026	1057.013	1.180	0.831	0.610	90.595	6.726	0.535	0.034	0.068	0.011	0.012	0.003	0.003
06/09/2026	1050.190	1.075	1.076	0.606	91.160	6.029	0.523	0.035	0.071	0.012	0.013	0.003	0.003
06/08/2026	1053.866	1.112	1.042	0.609	90.800	6.302	0.574	0.040	0.089	0.015	0.017	0.004	0.004
06/07/2026	1057.592	1.216	0.790	0.610	90.630	6.642	0.559	0.038	0.087	0.014	0.016	0.004	0.004
06/06/2026	1066.021	1.366	0.531	0.615	89.847	7.492	0.587	0.041	0.094	0.016	0.018	0.005	0.005
06/05/2026	1056.129	1.165	0.805	0.609	90.776	6.625	0.495	0.032	0.070	0.012	0.013	0.004	0.004
06/04/2026	1036.649	0.768	1.458	0.597	92.491	4.841	0.342	0.023	0.050	0.009	0.011	0.003	0.003
06/03/2026	1048.558	1.008	1.074	0.604	91.447	5.895	0.445	0.030	0.066	0.012	0.014	0.005	0.005
06/02/2026	1038.791	0.783	1.456	0.598	92.294	4.939	0.412	0.026	0.057	0.010	0.012	0.006	0.006
06/01/2026	1034.101	0.668	1.649	0.596	92.732	4.419	0.416	0.026	0.056	0.010	0.012	0.007	0.007
05/31/2026	1030.221	0.614	1.783	0.594	92.948	4.202	0.358	0.021	0.045	0.008	0.010	0.006	0.006
05/30/2026	1031.120	0.651	1.626	0.593	93.063	4.230	0.344	0.020	0.042	0.007	0.009	0.004	0.004
05/29/2026	1039.441	0.821	1.345	0.598	92.379	4.924	0.413	0.027	0.058	0.010	0.012	0.005	0.005
05/28/2026	1034.864	0.752	1.465	0.596	92.784	4.527	0.369	0.023	0.050	0.009	0.011	0.005	0.005
05/27/2026	1034.788	0.700	1.502	0.595	92.816	4.516	0.367	0.023	0.049	0.009	0.010	0.004	0.004
05/26/2026	1033.158	0.692	1.537	0.594	92.999	4.289	0.374	0.024	0.052	0.010	0.012	0.006	0.006
05/25/2026	1032.188	0.639	1.636	0.594	93.024	4.223	0.363	0.024	0.053	0.010	0.013	0.007	0.007
05/24/2026	1032.439	0.636	1.669	0.594	92.889	4.341	0.366	0.021	0.047	0.008	0.011	0.006	0.006
05/23/2026	1032.014	0.577	1.742	0.594	92.895	4.329	0.364	0.021	0.043	0.008	0.010	0.006	0.006
05/22/2026	1024.430	0.416	2.055	0.590	93.436	3.704	0.317	0.017	0.032	0.006	0.007	0.005	0.005
05/21/2026	1025.830	0.410	2.069	0.591	93.315	3.744	0.375	0.021	0.041	0.007	0.008	0.005	0.005
05/20/2026	1031.842	0.469	1.960	0.594	92.766	4.237	0.467	0.026	0.051	0.008	0.009	0.004	0.004
05/19/2026	1028.593	0.438	2.057	0.593	93.000	3.968	0.439	0.025	0.049	0.008	0.009	0.004	0.004
05/18/2026	1029.090	0.498	1.983	0.593	92.978	4.019	0.413	0.026	0.053	0.009	0.011	0.005	0.005
05/17/2026	1034.124	0.580	1.860	0.596	92.521	4.440	0.468	0.031	0.065	0.011	0.013	0.005	0.005
05/16/2026	1031.602	0.475	2.058	0.595	92.664	4.141	0.543	0.032	0.061	0.008	0.009	0.004	0.004
05/15/2026	1045.097	0.609	1.874	0.604	91.476	4.995	0.860	0.054	0.100	0.012	0.012	0.004	0.004
05/14/2026	1035.293	0.546	1.946	0.598	92.277	4.583	0.525	0.032	0.062	0.010	0.011	0.004	0.004
05/13/2026	1033.505	0.580	1.952	0.597	92.367	4.495	0.490	0.030	0.058	0.010	0.011	0.004	0.004
05/12/2026	1035.074	0.604	1.762	0.596	92.478	4.600	0.457	0.026	0.049	0.008	0.009	0.004	0.004
05/11/2026	1033.670	0.559	1.947	0.597	92.348	4.589	0.453	0.026	0.052	0.008	0.009	0.004	0.004
05/10/2026	1034.432	0.559	1.899	0.597	92.349	4.638	0.457	0.025	0.048	0.008	0.009	0.004	0.004
05/09/2026	1032.567	0.530	1.996	0.596	92.429	4.508	0.432	0.025	0.050	0.009	0.010	0.005	0.005
05/08/2026	1027.260	0.452	2.166	0.593	92.827	4.069	0.395	0.023	0.044	0.007	0.008	0.003	0.003
05/07/2026	1027.530	0.449	2.179	0.594	92.831	4.023	0.409	0.027	0.054	0.010	0.011	0.004	0.004
05/06/2026	1071.312	1.323	0.672	0.620	89.385	7.550	0.781	0.065	0.146	0.027	0.031	0.009	0.009
05/05/2026	1065.258	1.151	0.682	0.613	90.537	6.586	0.750	0.066	0.149	0.028	0.032	0.010	0.010
05/04/2026	1065.633	1.179	0.669	0.614	90.483	6.595	0.777	0.067	0.151	0.028	0.032	0.010	0.010
05/03/2026	1067.180	1.221	0.649	0.615	90.187	6.913	0.734	0.066	0.151	0.028	0.032	0.009	0.009
05/02/2026	1056.940	1.022	0.992	0.609	90.900	6.250	0.609	0.051	0.114	0.021	0.024	0.008	0.008
05/01/2026	1048.557	0.862	1.389	0.605	91.254	5.775	0.553	0.037	0.082	0.015	0.018	0.007	0.007
04/30/2026	1050.774	0.912	1.335	0.607	90.983	6.044	0.555	0.038	0.084	0.016	0.019	0.007	0.007
04/29/2026	1047.170	0.847	1.456	0.605	91.239	5.791	0.513	0.035	0.076	0.014	0.017	0.006	0.006
04/28/2026	1049.640	0.917	1.323	0.606	91.106	5.952	0.541	0.036	0.080	0.015	0.017	0.006	0.006
04/27/2026	1042.546	0.765	1.543	0.601	91.780	5.283	0.484	0.033	0.073	0.013	0.016	0.005	0.005
04/26/2026	1047.624	0.957	1.334	0.606	91.235	5.782	0.533	0.037	0.080	0.015	0.017	0.005	0.005