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Gas Quality / Gas Quality By Date

Date Requested: Nov 29 2025 2:44 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	1048.206	1.248	0.615	0.603	92.252	5.039	0.705	0.042	0.079	0.008	0.008	0.001	0.001
11/28/2025	1048.206	1.248	0.615	0.603	92.252	5.039	0.705	0.042	0.079	0.008	0.008	0.001	0.001
11/27/2025	1048.122	1.283	0.625	0.604	92.066	5.245	0.668	0.036	0.062	0.006	0.006	0.001	0.001
11/26/2025	1051.871	1.297	0.636	0.606	91.847	5.160	0.896	0.051	0.093	0.009	0.008	0.001	0.001
11/25/2025	1051.274	1.297	0.634	0.606	92.062	4.858	0.950	0.059	0.114	0.012	0.011	0.002	0.002
11/24/2025	1050.058	1.308	0.625	0.605	91.989	5.128	0.778	0.051	0.096	0.011	0.010	0.002	0.002
11/23/2025	1048.916	1.272	0.614	0.604	92.083	5.218	0.666	0.043	0.082	0.010	0.009	0.002	0.002
11/22/2025	1053.771	1.357	0.588	0.608	91.342	5.863	0.712	0.042	0.077	0.009	0.008	0.001	0.001
11/21/2025	1005.966	0.062	2.592	0.578	95.058	2.178	0.089	0.006	0.009	0.002	0.002	0.001	0.001
11/20/2025	1006.562	0.062	2.586	0.578	94.996	2.245	0.088	0.006	0.011	0.002	0.002	0.001	0.001
11/19/2025	1006.383	0.059	2.660	0.579	94.874	2.280	0.099	0.007	0.013	0.003	0.003	0.001	0.001
11/18/2025	1007.070	0.060	2.670	0.579	94.781	2.347	0.110	0.009	0.015	0.003	0.003	0.001	0.001
11/17/2025	1007.526	0.061	2.663	0.580	94.747	2.379	0.116	0.009	0.017	0.003	0.003	0.001	0.001
11/16/2025	1008.117	0.065	2.688	0.580	94.662	2.392	0.144	0.013	0.025	0.005	0.004	0.001	0.001
11/15/2025	1007.940	0.064	2.716	0.581	94.667	2.329	0.162	0.017	0.031	0.007	0.005	0.001	0.001
11/14/2025	1008.669	0.068	2.721	0.581	94.602	2.353	0.183	0.020	0.037	0.008	0.006	0.001	0.001
11/13/2025	1008.699	0.068	2.716	0.581	94.608	2.352	0.183	0.020	0.037	0.008	0.006	0.001	0.001
11/12/2025	1008.930	0.069	2.730	0.581	94.555	2.379	0.191	0.021	0.038	0.008	0.006	0.001	0.001
11/11/2025	1008.912	0.064	2.793	0.582	94.439	2.424	0.200	0.022	0.040	0.009	0.007	0.001	0.001
11/10/2025	1008.668	0.062	2.855	0.582	94.340	2.454	0.211	0.022	0.040	0.008	0.006	0.001	0.001
11/09/2025	1008.806	0.063	2.852	0.583	94.332	2.458	0.214	0.022	0.040	0.008	0.007	0.001	0.001
11/08/2025	1009.277	0.066	2.817	0.583	94.348	2.470	0.218	0.022	0.041	0.008	0.006	0.001	0.001
11/07/2025	1009.326	0.083	2.704	0.582	94.525	2.419	0.198	0.020	0.036	0.007	0.005	0.001	0.001
11/06/2025	1009.126	0.086	2.696	0.581	94.548	2.410	0.192	0.019	0.034	0.007	0.005	0.001	0.001
11/05/2025	1008.851	0.100	2.705	0.582	94.512	2.436	0.186	0.017	0.031	0.006	0.005	0.001	0.001
11/04/2025	1008.985	0.109	2.721	0.582	94.437	2.484	0.190	0.017	0.031	0.006	0.004	0.001	0.001
11/03/2025	1010.991	0.150	2.748	0.584	94.049	2.770	0.221	0.018	0.032	0.006	0.004	0.001	0.001
11/02/2025	1013.119	0.193	2.699	0.586	93.808	2.997	0.240	0.018	0.033	0.006	0.004	0.001	0.001
11/01/2025	1016.238	0.270	2.587	0.588	93.506	3.313	0.260	0.019	0.034	0.005	0.004	0.001	0.001
10/31/2025	1023.184	0.426	2.393	0.593	92.757	4.040	0.315	0.021	0.037	0.005	0.004	0.001	0.001
10/30/2025	1030.402	0.592	2.173	0.598	92.013	4.771	0.374	0.023	0.042	0.006	0.004	0.001	0.001
10/29/2025	1042.337	0.885	1.788	0.606	90.800	5.963	0.474	0.027	0.048	0.006	0.006	0.001	0.001
10/28/2025	1053.215	1.143	1.416	0.613	89.756	7.025	0.563	0.031	0.055	0.006	0.005	0.001	0.001
10/27/2025	1077.044	1.692	0.533	0.628	87.630	9.308	0.718	0.038	0.066	0.007	0.006	0.001	0.001
10/26/2025	1074.484	1.641	0.553	0.625	88.038	8.901	0.767	0.034	0.056	0.005	0.004	0.001	0.001
10/25/2025	1075.112	1.766	0.537	0.628	87.573	9.366	0.680	0.028	0.044	0.003	0.003	0.000	0.000
10/24/2025	1076.058	1.781	0.524	0.628	87.305	9.757	0.567	0.023	0.036	0.003	0.002	0.000	0.000
10/23/2025	1077.636	1.754	0.571	0.629	87.399	9.340	0.828	0.038	0.062	0.004	0.003	0.000	0.000
10/22/2025	1071.819	1.631	0.574	0.624	88.706	7.985	0.912	0.056	0.106	0.012	0.012	0.003	0.003
10/21/2025	1009.651	0.099	2.651	0.582	94.512	2.509	0.173	0.015	0.028	0.006	0.004	0.001	0.001
10/20/2025	1052.355	1.091	1.173	0.609	90.812	6.085	0.675	0.046	0.089	0.012	0.012	0.003	0.003
10/19/2025	1085.962	1.727	0.486	0.633	87.548	8.542	1.392	0.096	0.171	0.017	0.015	0.002	0.002
10/18/2025	1045.774	0.867	1.600	0.606	91.132	5.579	0.689	0.042	0.075	0.008	0.006	0.001	0.001
10/17/2025	1020.930	0.318	2.375	0.589	93.413	3.456	0.355	0.025	0.045	0.007	0.005	0.001	0.001
10/16/2025	1080.740	1.796	0.583	0.632	87.451	8.738	1.233	0.065	0.116	0.008	0.007	0.001	0.001
10/15/2025	1082.492	1.856	0.581	0.634	87.157	8.908	1.295	0.068	0.117	0.008	0.007	0.001	0.001
10/14/2025	1094.330	1.938	0.591	0.643	86.216	9.093	1.824	0.108	0.195	0.016	0.015	0.002	0.002
10/13/2025	1077.224	1.677	0.804	0.630	87.848	8.087	1.363	0.074	0.128	0.009	0.007	0.001	0.001
10/12/2025	1016.588	0.232	2.586	0.587	93.611	3.201	0.292	0.021	0.041	0.006	0.006	0.001	0.001
10/11/2025	1026.256	0.460	2.235	0.594	92.812	3.966	0.431	0.028	0.053	0.007	0.006	0.001	0.001
10/10/2025	1032.506	0.618	2.071	0.598	92.126	4.556	0.524	0.031	0.059	0.007	0.006	0.001	0.001
10/09/2025	1038.569	0.776	1.898	0.603	91.476	5.125	0.611	0.035	0.064	0.007	0.006	0.001	0.001
10/08/2025	1048.881	1.039	1.559	0.610	90.488	6.021	0.762	0.041	0.074	0.007	0.006	0.001	0.001
10/07/2025	1063.418	1.412	1.036	0.620	89.163	7.286	0.958	0.047	0.083	0.006	0.005	0.001	0.001
10/06/2025	1068.750	1.567	0.823	0.623	88.668	7.774	1.022	0.049	0.085	0.006	0.005	0.001	0.001
10/05/2025	1080.639	1.798	0.592	0.632	87.530	8.577	1.287	0.069	0.125	0.010	0.009	0.001	0.001
10/04/2025	1082.464	1.801	0.588	0.633	87.219	8.956	1.234	0.065	0.118	0.009	0.008	0.001	0.001
10/03/2025	1082.916	1.856	0.618	0.635	87.039	8.958	1.333	0.067	0.114	0.007	0.006	0.001	0.001
10/02/2025	1023.749	0.375	2.360	0.592	93.006	3.770	0.400	0.025	0.047	0.007	0.007	0.002	0.002
10/01/2025	1033.568	0.635	2.040	0.599	92.057	4.608	0.551	0.032	0.059	0.008	0.007	0.002	0.002
09/30/2025	1040.598	0.809	1.785	0.603	91.460	5.170	0.654	0.036	0.067	0.008	0.008	0.002	0.002
09/29/2025	1054.382	1.169	1.244	0.612	90.348	6.226	0.861	0.046	0.084	0.009	0.009	0.002	0.002
09/28/2025	1058.265	1.281	1.081	0.615	90.035	6.524	0.920	0.048	0.089	0.009	0.009	0.002	0.002
09/27/2025	1024.405	0.263	2.485	0.592	92.892	3.883	0.382	0.024	0.050	0.009	0.009	0.002	0.002
09/26/2025	1026.529	0.334	2.355	0.593	92.780	4.033	0.395	0.026	0.055	0.009	0.009	0.002	0.002
09/25/2025	1029.070	0.405	2.268	0.595	92.525	4.272	0.419	0.028	0.059	0.010	0.010	0.002	0.002
09/24/2025	1035.015	0.567	2.139	0.600	91.787	4.891	0.485	0.033	0.071	0.011	0.011	0.002	0.002
09/23/2025	1042.880	0.775	1.936	0.606	90.890	5.670	0.573	0.040	0.087	0.013	0.013	0.002	0.002
09/22/2025	1047.282	0.892	1.768	0.609	90.488	6.076	0.611	0.042	0.091	0.013	0.013	0.002	0.002
09/21/2025	1052.591	1.029	1.574	0.612	89.994	6.572	0.657	0.045	0.097	0.013	0.014	0.003	0.003
09/20/2025	1058.820	1.191	1.377	0.617	89.345	7.190	0.716	0.048	0.102	0.014	0.014	0.002	0.002
09/19/2025	1066.849	1.395	1.121	0.623	88.520	7.980	0.791	0.052	0.109	0.014	0.015	0.003	0.003
09/18/2025	1082.406	1.815	0.556	0.633	87.030	9.449	0.925	0.060	0.126	0.016	0.017	0.003	0.003
09/17/2025	1076.983	1.726	0.554	0.628	87.916	8.671	0.920	0.059	0.121	0.015	0.015	0.002	0.002
09/16/2025	1080.651	1.753	0.570	0.631	87.719	8.511	1.164	0.078	0.164	0.018	0.018	0.002	0.002
09/15/2025	1074.022	1.722	0.585	0.627	88.239	8.262	1.019	0.054	0.100	0.009	0.008	0.001	0.001
09/14/2025	1082.826	1.759	0.576	0.633	87.219	9.111	1.120	0.065	0.123	0.012	0.011	0.002	0.002
09/13/2025	1093.294	1.861	0.572	0.641	86.676	8.783	1.659	0.121	0.252	0.032	0.033	0.006	0.006
09/12/2025	1102.330	1.881	0.589	0.648	85.914	9.104	1.971	0.144	0.309	0.037	0.038	0.006	0.006
09/11/2025	1096.207	1.800	0.599	0.642	86.543	8.760	1.856	0.125	0.254	0.028	0.027	0.005	0.005
09/10/2025	1012.493	0.103	2.738	0.584	94.023	2.835	0.232	0.017	0.035	0.007	0.007	0.002	0.002
09/09/2025	1013.360	0.113	2.736	0.585	93.908	2.928	0.244	0.018	0.035	0.007	0.007	0.002	0.002
09/08/2025	1014.823	0.124	2.696	0.586	93.801	3.050	0.254	0.019	0.038	0.008	0.007	0.002	0.002
09/07/2025	1016.753	0.152	2.607	0.586	93.711	3.183	0.268	0.020	0.040	0.008	0.007	0.002	0.002
09/06/2025	1018.940	0.219	2.454	0.587	93.682	3.254	0.303	0.022	0.046	0.008	0.008	0.002	0.002
09/05/2025	1023.096	0.311	2.326	0.590	93.322	3.569	0.369	0.027	0.055	0.009	0.008	0.002	0.002
09/04/2025	1027.942	0.400	2.218	0.593	92.825	4.006	0.434	0.030	0.063	0.009	0.009	0.002	0.002
09/03/2025	1035.186	0.546	2.026	0.598	92.129	4.631	0.532	0.036	0.075	0.010	0.010	0.002	0.002
09/02/2025	1044.547	0.736	1.833	0.605	91.110	5.487	0.669	0.044	0.092	0.012	0.012	0.002	0.002
09/01/2025	1049.487	0.843	1.729	0.609	90.559	5.949	0.742	0.048	0.100	0.012	0.012	0.002	0.002
08/31/2025	1053.943	0.941	1.628	0.612	90.073	6.363	0.806	0.052	0.107	0.013	0.013	0.002	0.002
08/30/2025	1058.290	1.043	1.531	0.616	89.579	6.779	0.867	0.055	0.113	0.013	0.013	0.003	0.003
08/29/2025	1062.422	1.140	1.440	0.619	89.107	7.178	0.927	0.058	0.119	0.014	0.014	0.002	0.002
08/28/2025	1065.301	1.211	1.373	0.621	88.769	7.467	0.965	0.060	0.122	0.014	0.014	0.002	0.002