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Gas Quality / Gas Quality By Date

Date Requested: Oct 18 2025 8:03 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


10/18/2025	1088.296	1.067	2.886	0.650	82.251	12.785	0.942	0.023	0.040	0.002	0.003
10/17/2025	1087.996	1.048	2.820	0.648	82.540	12.581	0.908	0.029	0.061	0.006	0.007
10/16/2025	1076.530	1.050	2.770	0.641	83.924	11.438	0.740	0.026	0.043	0.004	0.004
10/15/2025	1044.934	0.862	1.655	0.606	90.803	6.175	0.412	0.024	0.050	0.009	0.010
10/14/2025	1075.136	1.080	2.796	0.641	83.931	11.398	0.734	0.020	0.035	0.003	0.003
10/13/2025	1081.492	1.096	2.939	0.646	82.882	12.143	0.872	0.022	0.040	0.003	0.003
10/12/2025	1083.072	1.092	2.979	0.648	82.601	12.379	0.877	0.023	0.043	0.003	0.003
10/11/2025	1079.591	1.078	2.828	0.644	83.346	11.898	0.778	0.023	0.043	0.003	0.003
10/10/2025	1063.734	0.973	2.318	0.626	86.670	9.374	0.591	0.021	0.043	0.005	0.005
10/09/2025	1069.595	1.017	2.595	0.634	85.268	10.341	0.706	0.022	0.043	0.004	0.004
10/08/2025	1080.966	1.089	2.846	0.645	83.209	11.905	0.871	0.025	0.048	0.003	0.004
10/07/2025	1067.077	0.997	2.218	0.628	86.518	9.500	0.687	0.024	0.046	0.005	0.005
10/06/2025	1089.998	1.093	2.939	0.652	81.944	12.939	1.000	0.027	0.052	0.003	0.004
10/05/2025	1091.097	1.109	2.933	0.653	81.722	13.199	0.958	0.025	0.048	0.003	0.003
10/04/2025	1091.841	1.106	2.950	0.653	81.628	13.246	0.990	0.026	0.048	0.003	0.003
10/03/2025	1087.777	1.085	2.957	0.650	82.024	13.015	0.852	0.021	0.041	0.003	0.003
10/02/2025	1086.007	1.072	2.958	0.649	82.219	12.888	0.802	0.019	0.037	0.002	0.003
10/01/2025	1089.906	1.087	3.029	0.653	81.645	13.250	0.919	0.022	0.041	0.003	0.003
09/30/2025	1091.225	1.093	3.034	0.653	81.537	13.267	0.990	0.026	0.048	0.003	0.003
09/29/2025	1085.423	1.058	2.881	0.648	82.738	12.252	0.983	0.028	0.054	0.003	0.003
09/28/2025	1082.602	1.022	2.737	0.644	83.431	11.821	0.914	0.024	0.045	0.003	0.003
09/27/2025	1081.448	1.055	2.897	0.645	83.013	12.150	0.827	0.019	0.035	0.002	0.002
09/26/2025	1078.299	1.064	2.879	0.643	83.389	11.834	0.779	0.018	0.033	0.002	0.002
09/25/2025	1063.387	0.949	2.103	0.624	87.294	8.977	0.596	0.023	0.045	0.006	0.006
09/24/2025	1083.273	1.038	2.659	0.644	83.490	11.837	0.893	0.026	0.050	0.004	0.004
09/23/2025	1087.342	1.067	2.827	0.648	82.499	12.620	0.910	0.024	0.046	0.003	0.003
09/22/2025	1080.644	1.060	2.693	0.643	83.576	11.803	0.802	0.021	0.041	0.003	0.003
09/21/2025	1080.049	1.051	2.644	0.642	83.778	11.665	0.796	0.021	0.040	0.003	0.003
09/20/2025	1082.549	1.048	2.612	0.643	83.546	11.920	0.809	0.021	0.040	0.002	0.003
09/19/2025	1084.693	1.021	2.660	0.644	83.210	12.245	0.796	0.021	0.040	0.003	0.003
09/18/2025	1075.171	1.006	2.561	0.637	84.681	10.930	0.751	0.022	0.042	0.003	0.004
09/17/2025	1080.238	1.039	2.840	0.644	83.285	12.010	0.761	0.020	0.039	0.002	0.003
09/16/2025	1080.499	1.057	2.845	0.644	83.193	12.090	0.752	0.020	0.039	0.003	0.003
09/15/2025	1081.978	1.042	2.835	0.645	83.110	12.152	0.792	0.022	0.043	0.003	0.003
09/14/2025	1085.721	1.079	2.878	0.648	82.524	12.575	0.867	0.024	0.047	0.003	0.003
09/13/2025	1083.216	1.031	2.818	0.645	83.002	12.289	0.798	0.020	0.037	0.002	0.003
09/12/2025	1086.033	1.019	2.843	0.647	82.718	12.445	0.912	0.021	0.037	0.002	0.002
09/11/2025	1084.462	1.009	2.827	0.646	83.052	12.093	0.934	0.026	0.050	0.004	0.004
09/10/2025	1081.534	1.003	2.778	0.643	83.434	11.868	0.853	0.021	0.038	0.002	0.002
09/09/2025	1085.745	0.974	2.695	0.644	83.248	12.075	0.934	0.024	0.045	0.003	0.003
09/08/2025	1080.190	0.968	2.698	0.641	83.847	11.595	0.834	0.019	0.034	0.002	0.002
09/07/2025	1079.989	0.991	2.745	0.642	83.740	11.596	0.874	0.019	0.032	0.002	0.002
09/06/2025	1083.273	0.977	2.688	0.643	83.533	11.834	0.900	0.023	0.041	0.002	0.002
09/05/2025	1079.969	0.978	2.666	0.641	83.921	11.550	0.825	0.020	0.035	0.002	0.002
09/04/2025	1085.719	0.975	2.675	0.644	83.272	12.087	0.921	0.024	0.041	0.002	0.002
09/03/2025	1081.677	0.964	2.561	0.640	83.961	11.642	0.816	0.019	0.034	0.002	0.002
09/02/2025	1084.787	0.964	2.539	0.642	83.714	11.812	0.903	0.023	0.040	0.002	0.002
09/01/2025	1081.581	0.955	2.495	0.639	84.197	11.443	0.843	0.022	0.040	0.002	0.003
08/31/2025	1078.741	0.934	2.449	0.637	84.673	11.081	0.797	0.021	0.040	0.002	0.003
08/30/2025	1084.305	0.948	2.447	0.641	84.055	11.562	0.910	0.025	0.046	0.003	0.003
08/29/2025	1082.490	0.950	2.456	0.640	84.183	11.498	0.844	0.023	0.041	0.002	0.002
08/28/2025	1083.736	0.962	2.488	0.641	83.943	11.673	0.865	0.023	0.042	0.002	0.003
08/27/2025	1080.460	0.950	2.439	0.638	84.451	11.281	0.814	0.022	0.039	0.002	0.002
08/26/2025	1079.034	0.949	2.425	0.637	84.583	11.245	0.741	0.018	0.034	0.002	0.002
08/25/2025	1077.494	0.954	2.431	0.636	84.721	11.134	0.704	0.018	0.034	0.002	0.002
08/24/2025	1082.215	0.946	2.480	0.640	84.097	11.631	0.786	0.020	0.035	0.002	0.002
08/23/2025	1086.897	0.950	2.436	0.642	83.710	11.941	0.892	0.023	0.042	0.003	0.003
08/22/2025	1083.682	0.955	2.520	0.641	83.875	11.728	0.852	0.022	0.041	0.003	0.003
08/21/2025	1079.146	0.954	2.524	0.638	84.329	11.391	0.747	0.018	0.033	0.002	0.002
08/20/2025	1080.426	0.975	2.585	0.640	83.974	11.661	0.748	0.018	0.034	0.002	0.002
08/19/2025	1079.564	0.998	2.641	0.640	83.946	11.567	0.788	0.020	0.035	0.002	0.002
08/18/2025	1080.523	1.001	2.616	0.641	83.886	11.635	0.805	0.019	0.034	0.002	0.002
08/17/2025	1079.434	0.980	2.602	0.640	84.014	11.634	0.717	0.017	0.031	0.002	0.002
08/16/2025	1083.255	0.967	2.566	0.641	83.720	11.901	0.781	0.021	0.039	0.003	0.003
08/15/2025	1086.098	0.963	2.546	0.643	83.477	12.106	0.834	0.024	0.045	0.003	0.003
08/14/2025	1085.435	0.942	2.534	0.642	83.681	11.895	0.868	0.026	0.049	0.003	0.003
08/13/2025	1088.842	0.975	2.587	0.645	83.103	12.323	0.930	0.027	0.049	0.003	0.003
08/12/2025	1087.063	0.981	2.598	0.644	83.226	12.243	0.883	0.023	0.042	0.002	0.002
08/11/2025	1086.012	1.000	2.662	0.645	83.177	12.198	0.895	0.023	0.041	0.002	0.002
08/10/2025	1088.397	1.010	2.709	0.647	82.784	12.489	0.935	0.024	0.044	0.002	0.003
08/09/2025	1087.103	0.994	2.639	0.645	83.110	12.286	0.904	0.023	0.039	0.002	0.002
08/08/2025	1073.345	0.964	2.235	0.632	85.720	10.301	0.715	0.021	0.037	0.003	0.003
08/07/2025	1054.686	0.887	1.913	0.615	88.845	7.802	0.503	0.016	0.028	0.003	0.003
08/06/2025	1056.655	0.929	1.762	0.615	88.877	7.863	0.505	0.021	0.035	0.004	0.004
08/05/2025	1069.557	1.087	1.692	0.625	87.111	9.428	0.610	0.024	0.039	0.005	0.004
08/04/2025	1081.431	1.062	2.206	0.638	84.595	11.285	0.777	0.024	0.043	0.004	0.004
08/03/2025	1084.010	1.098	2.144	0.640	84.397	11.442	0.833	0.028	0.049	0.004	0.004
08/02/2025	1076.287	1.181	1.655	0.631	86.226	10.145	0.711	0.026	0.046	0.005	0.005
08/01/2025	1056.782	0.923	1.609	0.614	89.284	7.580	0.530	0.022	0.040	0.005	0.006
07/31/2025	1029.016	0.581	1.728	0.592	93.087	4.294	0.268	0.012	0.022	0.004	0.004
07/30/2025	1024.658	0.461	1.874	0.589	93.555	3.827	0.246	0.011	0.019	0.003	0.003
07/29/2025	1049.402	0.731	1.893	0.609	89.935	6.895	0.492	0.017	0.030	0.003	0.003
07/28/2025	1094.823	1.018	2.669	0.651	82.148	13.043	1.039	0.027	0.050	0.003	0.003
07/27/2025	1093.027	1.009	2.634	0.649	82.507	12.711	1.046	0.029	0.056	0.003	0.003
07/26/2025	1080.932	0.952	2.525	0.639	84.319	11.208	0.914	0.026	0.049	0.003	0.003
07/25/2025	1035.792	0.708	1.673	0.598	92.074	5.188	0.317	0.013	0.022	0.003	0.003
07/24/2025	1059.561	0.794	2.205	0.620	87.883	8.436	0.620	0.019	0.036	0.003	0.003
07/23/2025	1089.572	1.006	2.650	0.647	82.845	12.436	0.979	0.027	0.051	0.003	0.003
07/22/2025	1089.399	1.002	2.675	0.647	82.811	12.464	0.960	0.028	0.054	0.003	0.003
07/21/2025	1088.932	1.004	2.580	0.646	83.075	12.295	0.964	0.027	0.050	0.003	0.003
07/20/2025	1083.676	0.977	2.531	0.641	83.755	11.858	0.815	0.021	0.039	0.002	0.002
07/19/2025	1083.343	0.966	2.520	0.641	83.869	11.745	0.833	0.022	0.040	0.002	0.002
07/18/2025	1088.123	0.970	2.550	0.644	83.216	12.324	0.866	0.024	0.045	0.002	0.003
07/17/2025	1092.708	0.987	2.652	0.649	82.492	12.785	1.000	0.028	0.050	0.003	0.003