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Gas Quality / Gas Quality By Date

Date Requested: Nov 29 2025 10:05 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


11/29/2025	1059.347	0.999	1.586	0.616	88.877	7.912	0.525	0.026	0.052	0.008	0.009	0.003	0.003
11/28/2025	1062.160	1.119	1.323	0.617	88.789	8.172	0.515	0.023	0.044	0.006	0.006	0.002	0.002
11/27/2025	1065.778	1.048	1.796	0.623	87.477	8.996	0.595	0.024	0.048	0.006	0.007	0.002	0.002
11/26/2025	1073.451	1.029	2.154	0.632	85.835	10.156	0.731	0.028	0.053	0.006	0.006	0.001	0.001
11/25/2025	1071.494	1.017	2.053	0.629	86.310	9.831	0.698	0.027	0.052	0.005	0.006	0.001	0.001
11/24/2025	1072.058	1.030	1.997	0.629	86.298	9.912	0.681	0.024	0.046	0.005	0.005	0.001	0.001
11/23/2025	1074.261	1.093	2.003	0.632	85.831	10.333	0.657	0.024	0.047	0.005	0.005	0.001	0.001
11/22/2025	1074.982	1.104	1.901	0.631	86.016	10.191	0.688	0.028	0.056	0.006	0.007	0.001	0.001
11/21/2025	1065.641	0.989	2.086	0.625	86.983	9.231	0.619	0.025	0.051	0.006	0.006	0.001	0.001
11/20/2025	1067.651	1.050	1.886	0.626	87.092	9.229	0.639	0.029	0.058	0.007	0.008	0.002	0.002
11/19/2025	1073.604	1.169	1.808	0.631	86.220	10.055	0.649	0.027	0.055	0.006	0.007	0.002	0.002
11/18/2025	1066.403	0.999	2.127	0.627	86.743	9.429	0.620	0.023	0.045	0.005	0.006	0.001	0.001
11/17/2025	1047.319	0.867	1.752	0.608	90.230	6.644	0.419	0.022	0.047	0.007	0.008	0.002	0.002
11/16/2025	1013.260	0.287	2.391	0.584	94.183	2.921	0.176	0.011	0.022	0.004	0.004	0.001	0.001
11/15/2025	1037.189	0.734	1.871	0.601	91.536	5.398	0.375	0.021	0.045	0.007	0.008	0.002	0.002
11/14/2025	1066.305	1.040	1.706	0.623	87.807	8.657	0.651	0.035	0.074	0.011	0.013	0.003	0.003
11/13/2025	1066.851	1.024	1.730	0.623	87.740	8.689	0.678	0.036	0.075	0.011	0.012	0.003	0.003
11/12/2025	1073.322	1.094	1.826	0.629	86.478	9.788	0.696	0.031	0.064	0.008	0.009	0.002	0.002
11/11/2025	1076.125	1.063	2.168	0.634	85.375	10.572	0.723	0.028	0.055	0.006	0.007	0.002	0.002
11/10/2025	1079.968	1.016	2.435	0.639	84.413	11.245	0.804	0.026	0.050	0.005	0.005	0.001	0.001
11/09/2025	1088.055	1.026	2.702	0.647	82.748	12.583	0.862	0.026	0.047	0.003	0.003	0.000	0.000
11/08/2025	1090.545	1.014	2.664	0.648	82.613	12.705	0.920	0.028	0.049	0.003	0.003	0.000	0.000
11/07/2025	1090.412	1.040	2.773	0.649	82.394	12.709	1.001	0.028	0.050	0.003	0.003	0.000	0.000
11/06/2025	1089.298	1.029	2.713	0.648	82.579	12.703	0.907	0.023	0.041	0.002	0.002	0.000	0.000
11/05/2025	1081.719	0.986	2.602	0.641	83.909	11.547	0.883	0.024	0.042	0.003	0.003	0.001	0.001
11/04/2025	1083.195	0.990	2.584	0.642	83.782	11.661	0.907	0.025	0.045	0.003	0.003	0.000	0.000
11/03/2025	1072.102	0.932	2.397	0.632	85.747	10.001	0.838	0.027	0.048	0.004	0.004	0.001	0.001
11/02/2025	1076.964	0.952	2.472	0.636	84.952	10.648	0.883	0.029	0.054	0.004	0.004	0.001	0.001
11/01/2025	1075.349	0.980	2.474	0.636	84.964	10.711	0.802	0.023	0.040	0.003	0.003	0.001	0.000
10/31/2025	1067.693	0.979	2.205	0.628	86.453	9.635	0.655	0.022	0.040	0.004	0.004	0.001	0.001
10/30/2025	1066.855	0.922	2.286	0.627	86.573	9.427	0.716	0.023	0.042	0.004	0.004	0.001	0.001
10/29/2025	1076.102	0.949	2.546	0.636	84.797	10.807	0.833	0.022	0.039	0.003	0.003	0.001	0.000
10/28/2025	1076.456	0.957	2.511	0.636	84.935	10.597	0.913	0.028	0.050	0.004	0.004	0.001	0.001
10/27/2025	1065.326	0.890	2.397	0.627	86.530	9.443	0.671	0.021	0.038	0.004	0.004	0.001	0.001
10/26/2025	1031.577	0.574	1.916	0.595	92.449	4.669	0.325	0.016	0.033	0.006	0.007	0.003	0.003
10/25/2025	1032.220	0.593	1.968	0.597	92.213	4.828	0.327	0.017	0.035	0.006	0.007	0.004	0.004
10/24/2025	1051.651	0.786	2.311	0.616	88.621	7.676	0.542	0.018	0.035	0.004	0.005	0.002	0.002
10/23/2025	1071.429	1.000	2.495	0.634	85.313	10.381	0.747	0.020	0.036	0.003	0.003	0.000	0.000
10/22/2025	1066.286	0.939	2.333	0.628	86.442	9.553	0.660	0.021	0.039	0.005	0.005	0.001	0.001
10/21/2025	1063.012	0.911	2.301	0.625	87.001	9.078	0.626	0.023	0.044	0.006	0.007	0.002	0.002
10/20/2025	1063.185	0.895	2.389	0.626	86.804	9.202	0.630	0.022	0.043	0.006	0.006	0.002	0.002
10/19/2025	1065.963	0.868	2.471	0.628	86.413	9.445	0.712	0.025	0.050	0.006	0.007	0.001	0.001
10/18/2025	1067.939	0.917	2.427	0.629	86.098	9.799	0.671	0.024	0.049	0.006	0.006	0.001	0.001
10/17/2025	1071.959	0.995	2.664	0.636	84.751	10.895	0.630	0.020	0.037	0.003	0.003	0.000	0.000
10/16/2025	1065.085	1.005	2.405	0.629	86.152	9.828	0.543	0.019	0.036	0.005	0.005	0.001	0.001
10/15/2025	1069.093	1.052	2.175	0.630	86.251	9.748	0.676	0.029	0.051	0.007	0.007	0.002	0.002
10/14/2025	1072.033	1.052	2.485	0.635	85.145	10.519	0.722	0.023	0.043	0.004	0.005	0.001	0.001
10/13/2025	1063.461	0.992	2.219	0.626	86.905	9.202	0.603	0.022	0.044	0.005	0.005	0.001	0.001
10/12/2025	1064.939	0.964	2.370	0.628	86.439	9.522	0.633	0.021	0.040	0.004	0.005	0.001	0.001
10/11/2025	1059.122	0.868	2.435	0.623	87.181	8.896	0.554	0.019	0.037	0.004	0.004	0.001	0.001
10/10/2025	1064.529	0.955	2.483	0.628	86.287	9.539	0.659	0.022	0.044	0.004	0.005	0.001	0.001
10/09/2025	1065.231	1.063	2.041	0.626	86.936	9.270	0.612	0.023	0.044	0.005	0.006	0.001	0.001
10/08/2025	1067.458	1.068	2.045	0.627	86.671	9.483	0.651	0.023	0.046	0.005	0.006	0.001	0.001
10/07/2025	1079.952	1.069	2.512	0.640	84.112	11.407	0.821	0.024	0.046	0.004	0.004	0.001	0.001
10/06/2025	1090.005	1.091	2.878	0.651	82.021	12.983	0.950	0.025	0.046	0.003	0.003	0.000	0.000
10/05/2025	1081.803	1.048	2.696	0.643	83.438	11.959	0.792	0.021	0.040	0.003	0.004	0.000	0.000
10/04/2025	1074.378	1.042	2.485	0.636	84.829	10.869	0.706	0.020	0.040	0.004	0.004	0.001	0.001
10/03/2025	1079.677	1.060	2.590	0.641	83.880	11.663	0.743	0.020	0.037	0.003	0.003	0.000	0.000
10/02/2025	1083.727	1.090	2.735	0.645	83.062	12.197	0.844	0.022	0.042	0.003	0.004	0.000	0.000
10/01/2025	1084.492	1.103	2.651	0.645	83.183	12.098	0.883	0.025	0.047	0.004	0.004	0.001	0.001
09/30/2025	1080.455	1.043	2.590	0.641	83.949	11.491	0.848	0.024	0.047	0.003	0.004	0.000	0.000
09/29/2025	1080.333	1.024	2.805	0.643	83.422	11.887	0.802	0.019	0.035	0.002	0.003	0.000	0.000
09/28/2025	1077.238	1.043	2.761	0.641	83.846	11.527	0.764	0.019	0.035	0.002	0.003	0.000	0.000
09/27/2025	1068.371	0.990	2.514	0.632	85.602	10.172	0.662	0.018	0.033	0.003	0.004	0.001	0.001
09/26/2025	1072.077	1.027	2.528	0.635	85.048	10.635	0.697	0.020	0.037	0.003	0.004	0.001	0.001
09/25/2025	1079.905	1.085	2.589	0.641	83.862	11.605	0.778	0.024	0.046	0.004	0.005	0.001	0.001
09/24/2025	1081.183	1.053	2.541	0.641	83.945	11.543	0.836	0.025	0.048	0.004	0.005	0.001	0.001
09/23/2025	1072.343	1.052	2.301	0.633	85.509	10.367	0.695	0.022	0.044	0.004	0.005	0.001	0.001
09/22/2025	1071.137	1.078	2.091	0.630	86.053	10.042	0.661	0.022	0.042	0.004	0.005	0.001	0.001
09/21/2025	1070.519	1.047	2.158	0.630	86.051	10.014	0.653	0.022	0.043	0.005	0.005	0.001	0.001
09/20/2025	1072.163	1.016	2.174	0.631	85.918	10.112	0.700	0.023	0.044	0.005	0.005	0.001	0.001
09/19/2025	1072.460	1.144	2.104	0.633	85.734	10.257	0.679	0.024	0.046	0.005	0.006	0.001	0.001
09/18/2025	1073.126	1.180	2.109	0.634	85.517	10.465	0.647	0.023	0.045	0.005	0.006	0.001	0.001
09/17/2025	1076.263	1.127	2.289	0.637	84.980	10.746	0.748	0.029	0.060	0.008	0.009	0.002	0.002
09/16/2025	1075.803	1.075	2.419	0.637	84.887	10.729	0.781	0.029	0.060	0.007	0.008	0.002	0.002
09/15/2025	1067.948	1.023	2.120	0.628	86.729	9.273	0.721	0.033	0.069	0.011	0.013	0.004	0.004
09/14/2025	1069.212	1.021	2.128	0.629	86.647	9.269	0.788	0.036	0.076	0.012	0.014	0.004	0.004
09/13/2025	1067.767	1.033	1.993	0.627	87.158	8.873	0.775	0.040	0.087	0.015	0.017	0.005	0.005
09/12/2025	1066.082	0.988	2.202	0.627	86.846	9.120	0.714	0.032	0.068	0.011	0.012	0.003	0.003
09/11/2025	1067.292	0.924	2.183	0.627	86.856	9.197	0.725	0.030	0.061	0.009	0.010	0.003	0.003
09/10/2025	1061.251	0.914	2.073	0.621	87.772	8.503	0.656	0.023	0.044	0.005	0.006	0.001	0.001
09/09/2025	1063.227	0.994	1.900	0.622	87.749	8.604	0.672	0.024	0.045	0.005	0.005	0.001	0.001
09/08/2025	1063.070	0.923	2.069	0.623	87.460	8.850	0.634	0.020	0.037	0.003	0.003	0.000	0.000
09/07/2025	1066.030	1.015	1.904	0.624	87.209	9.203	0.611	0.018	0.033	0.003	0.003	0.000	0.000
09/06/2025	1067.811	0.995	1.950	0.626	86.968	9.373	0.651	0.020	0.036	0.003	0.003	0.001	0.001
09/05/2025	1068.496	0.984	1.994	0.626	86.795	9.517	0.651	0.019	0.034	0.003	0.003	0.000	0.000
09/04/2025	1063.797	0.902	2.164	0.624	87.213	9.004	0.650	0.020	0.037	0.003	0.004	0.001	0.001
09/03/2025	1060.161	0.875	2.138	0.621	87.755	8.566	0.605	0.019	0.035	0.003	0.003	0.000	0.000
09/02/2025	1064.136	0.937	1.960	0.622	87.555	8.838	0.646	0.020	0.036	0.003	0.003	0.001	0.001
09/01/2025	1065.064	0.933	2.017	0.623	87.298	9.052	0.636	0.020	0.036	0.003	0.003	0.001	0.001
08/31/2025	1058.660	0.861	1.957	0.618	88.345	8.222	0.564	0.017	0.030	0.002	0.002	0.000	0.000
08/30/2025	1066.499	0.983	1.899	0.624	87.258	9.165	0.638	0.018	0.033	0.003	0.003	0.000	0.000
08/29/2025	1074.057	1.172	1.646	0.629	86.470	9.976	0.673	0.020	0.036	0.003	0.003	0.000	0.000
08/28/2025	1075.434	1.240	1.474	0.629	86.555	9.987	0.671	0.022	0.040	0.004	0.005	0.001	0.001