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Gas Quality / Gas Quality By Date

Date Requested: Nov 07 2025 5:42 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


11/07/2025	1058.850	0.915	2.111	0.620	87.943	8.341	0.616	0.021	0.040	0.005	0.005	0.002	0.002
11/06/2025	1058.850	0.915	2.111	0.620	87.943	8.341	0.616	0.021	0.040	0.005	0.005	0.002	0.002
11/05/2025	1035.683	0.727	1.715	0.598	92.105	5.008	0.356	0.022	0.044	0.008	0.009	0.003	0.003
11/04/2025	1034.579	0.691	1.748	0.597	92.270	4.836	0.360	0.023	0.047	0.008	0.009	0.004	0.004
11/03/2025	1035.024	0.698	1.733	0.598	92.209	4.925	0.345	0.022	0.045	0.008	0.009	0.003	0.003
11/02/2025	1033.397	0.671	1.753	0.596	92.398	4.774	0.319	0.021	0.043	0.008	0.009	0.003	0.003
11/01/2025	1040.768	0.875	1.465	0.601	91.660	5.568	0.344	0.021	0.043	0.008	0.009	0.003	0.003
10/31/2025	1040.621	0.864	1.431	0.601	91.799	5.461	0.357	0.022	0.043	0.008	0.008	0.003	0.003
10/30/2025	1047.099	0.980	1.263	0.605	91.189	6.040	0.416	0.027	0.055	0.010	0.011	0.004	0.004
10/29/2025	1051.036	1.164	1.063	0.608	90.808	6.372	0.464	0.026	0.067	0.012	0.015	0.005	0.005
10/28/2025	1053.780	1.083	1.216	0.610	90.365	6.693	0.489	0.034	0.077	0.014	0.016	0.006	0.006
10/27/2025	1036.743	0.697	1.662	0.598	92.321	4.777	0.408	0.030	0.067	0.012	0.015	0.006	0.006
10/26/2025	1026.026	0.468	1.716	0.588	93.856	3.616	0.265	0.018	0.039	0.007	0.009	0.004	0.004
10/25/2025	1027.720	0.532	1.898	0.592	93.072	4.138	0.281	0.017	0.037	0.007	0.008	0.004	0.004
10/24/2025	1024.042	0.455	2.030	0.590	93.389	3.788	0.267	0.017	0.034	0.006	0.007	0.003	0.003
10/23/2025	1065.550	0.968	2.368	0.628	86.375	9.559	0.665	0.020	0.036	0.004	0.004	0.001	0.001
10/22/2025	1061.162	0.945	2.201	0.623	87.367	8.801	0.610	0.022	0.041	0.006	0.006	0.002	0.002
10/21/2025	1059.554	0.921	2.265	0.622	87.470	8.668	0.598	0.021	0.041	0.006	0.006	0.002	0.002
10/20/2025	1062.398	0.932	2.354	0.625	86.904	9.093	0.642	0.021	0.041	0.005	0.006	0.002	0.002
10/19/2025	1064.220	0.897	2.385	0.626	86.781	9.139	0.700	0.027	0.055	0.006	0.008	0.002	0.002
10/18/2025	1060.308	0.934	2.295	0.623	87.230	8.898	0.569	0.020	0.040	0.005	0.005	0.001	0.001
10/17/2025	1068.624	1.026	2.624	0.634	85.161	10.534	0.599	0.018	0.032	0.003	0.003	0.000	0.000
10/16/2025	1059.243	1.051	1.978	0.621	87.795	8.587	0.508	0.022	0.042	0.006	0.007	0.002	0.002
10/15/2025	1069.499	1.068	2.333	0.632	85.796	10.015	0.701	0.028	0.047	0.005	0.005	0.001	0.001
10/14/2025	1064.712	1.054	2.244	0.628	86.574	9.410	0.644	0.021	0.042	0.004	0.005	0.001	0.001
10/13/2025	1060.162	1.010	2.207	0.624	87.263	8.884	0.567	0.020	0.039	0.004	0.005	0.001	0.001
10/12/2025	1059.764	0.946	2.309	0.623	87.249	8.835	0.593	0.020	0.037	0.004	0.004	0.001	0.001
10/11/2025	1057.545	0.918	2.386	0.622	87.384	8.692	0.554	0.019	0.038	0.004	0.004	0.001	0.001
10/10/2025	1061.550	1.020	2.221	0.625	87.097	8.965	0.621	0.022	0.043	0.004	0.005	0.001	0.001
10/09/2025	1062.366	1.093	1.952	0.624	87.395	8.909	0.580	0.021	0.039	0.004	0.005	0.001	0.001
10/08/2025	1062.715	1.074	1.898	0.623	87.580	8.750	0.615	0.023	0.045	0.005	0.006	0.001	0.001
10/07/2025	1081.675	1.103	2.632	0.643	83.546	11.793	0.852	0.023	0.044	0.003	0.003	0.000	0.000
10/06/2025	1085.268	1.109	2.802	0.648	82.708	12.413	0.896	0.023	0.043	0.003	0.003	0.000	0.000
10/05/2025	1071.278	1.055	2.401	0.633	85.367	10.427	0.688	0.019	0.036	0.003	0.004	0.001	0.001
10/04/2025	1072.121	1.063	2.437	0.635	85.143	10.623	0.668	0.020	0.038	0.004	0.004	0.001	0.001
10/03/2025	1080.426	1.086	2.651	0.642	83.615	11.805	0.779	0.020	0.037	0.003	0.003	0.000	0.000
10/02/2025	1080.955	1.120	2.699	0.644	83.445	11.808	0.855	0.023	0.042	0.003	0.004	0.000	0.000
10/01/2025	1079.808	1.107	2.507	0.641	84.072	11.398	0.833	0.025	0.048	0.004	0.004	0.001	0.001
09/30/2025	1074.174	1.042	2.528	0.636	84.806	10.791	0.765	0.021	0.040	0.003	0.003	0.000	0.000
09/29/2025	1076.910	1.062	2.752	0.641	83.854	11.514	0.764	0.018	0.032	0.002	0.002	0.000	0.000
09/28/2025	1069.621	1.041	2.541	0.634	85.283	10.383	0.693	0.019	0.033	0.003	0.003	0.001	0.001
09/27/2025	1066.306	1.033	2.384	0.630	86.064	9.803	0.657	0.018	0.032	0.003	0.004	0.001	0.001
09/26/2025	1068.781	1.077	2.406	0.632	85.610	10.182	0.659	0.019	0.037	0.004	0.004	0.001	0.001
09/25/2025	1075.268	1.096	2.380	0.636	84.944	10.709	0.788	0.025	0.048	0.004	0.005	0.001	0.001
09/24/2025	1073.193	1.054	2.406	0.635	85.177	10.554	0.734	0.022	0.043	0.004	0.004	0.001	0.001
09/23/2025	1067.988	1.108	2.070	0.629	86.416	9.696	0.636	0.021	0.041	0.004	0.005	0.001	0.001
09/22/2025	1067.755	1.083	2.028	0.628	86.629	9.527	0.658	0.022	0.042	0.005	0.005	0.001	0.001
09/21/2025	1068.455	1.042	2.131	0.629	86.365	9.753	0.633	0.021	0.041	0.005	0.005	0.001	0.001
09/20/2025	1067.019	1.045	2.152	0.628	86.540	9.513	0.674	0.022	0.042	0.005	0.005	0.001	0.001
09/19/2025	1072.272	1.259	1.968	0.633	85.771	10.272	0.652	0.023	0.043	0.005	0.005	0.001	0.001
09/18/2025	1068.760	1.172	2.070	0.630	86.192	9.847	0.634	0.023	0.046	0.006	0.007	0.002	0.002
09/17/2025	1073.716	1.139	2.324	0.636	85.199	10.478	0.752	0.029	0.060	0.007	0.008	0.002	0.002
09/16/2025	1069.263	1.071	2.202	0.630	86.216	9.671	0.724	0.030	0.062	0.009	0.010	0.003	0.003
09/15/2025	1062.277	1.004	2.068	0.623	87.585	8.525	0.695	0.030	0.063	0.010	0.012	0.004	0.004
09/14/2025	1066.464	1.062	1.991	0.626	87.240	8.778	0.770	0.039	0.083	0.013	0.016	0.005	0.005
09/13/2025	1064.761	1.048	1.990	0.625	87.424	8.670	0.718	0.036	0.078	0.013	0.015	0.004	0.004
09/12/2025	1063.716	0.984	2.159	0.625	87.222	8.823	0.691	0.031	0.064	0.010	0.011	0.003	0.003
09/11/2025	1063.341	0.930	2.086	0.623	87.513	8.679	0.694	0.026	0.053	0.007	0.008	0.002	0.002
09/10/2025	1058.571	0.952	1.966	0.619	88.263	8.101	0.640	0.023	0.042	0.005	0.006	0.002	0.002
09/09/2025	1060.870	0.982	1.911	0.621	87.999	8.397	0.639	0.022	0.040	0.004	0.004	0.001	0.001
09/08/2025	1060.964	0.959	1.974	0.621	87.810	8.613	0.587	0.018	0.032	0.003	0.003	0.000	0.000
09/07/2025	1065.453	1.034	1.885	0.624	87.304	9.093	0.624	0.019	0.034	0.003	0.003	0.000	0.000
09/06/2025	1065.117	1.014	1.880	0.623	87.392	9.039	0.615	0.019	0.033	0.003	0.003	0.001	0.001
09/05/2025	1065.780	0.978	2.003	0.625	87.155	9.143	0.658	0.020	0.035	0.003	0.003	0.001	0.001
09/04/2025	1058.160	0.887	2.138	0.620	87.971	8.353	0.590	0.019	0.034	0.003	0.003	0.001	0.001
09/03/2025	1058.794	0.920	1.958	0.619	88.237	8.226	0.600	0.018	0.034	0.003	0.003	0.001	0.001
09/02/2025	1062.510	0.957	1.947	0.622	87.743	8.654	0.633	0.020	0.037	0.003	0.004	0.001	0.001
09/01/2025	1060.543	0.931	1.927	0.620	88.038	8.460	0.590	0.018	0.031	0.002	0.003	0.000	0.000
08/31/2025	1056.777	0.916	1.854	0.616	88.676	7.960	0.545	0.016	0.028	0.002	0.002	0.000	0.000
08/30/2025	1067.448	1.068	1.794	0.625	87.194	9.239	0.646	0.019	0.034	0.003	0.003	0.000	0.000
08/29/2025	1070.671	1.213	1.494	0.626	87.139	9.451	0.638	0.020	0.036	0.004	0.004	0.001	0.001
08/28/2025	1071.725	1.273	1.395	0.627	87.110	9.515	0.635	0.022	0.040	0.004	0.005	0.001	0.001
08/27/2025	1064.333	1.047	1.607	0.621	88.034	8.663	0.586	0.019	0.034	0.004	0.004	0.001	0.001
08/26/2025	1066.687	1.022	1.748	0.623	87.581	8.908	0.657	0.024	0.046	0.006	0.006	0.002	0.002
08/25/2025	1058.655	0.964	1.676	0.616	88.787	7.953	0.553	0.020	0.036	0.004	0.005	0.001	0.001
08/24/2025	1054.497	0.965	1.584	0.613	89.424	7.503	0.472	0.016	0.028	0.003	0.003	0.001	0.001
08/23/2025	1042.942	0.728	1.734	0.603	91.015	6.109	0.369	0.014	0.023	0.003	0.003	0.001	0.001
08/22/2025	1043.615	0.740	1.856	0.605	90.627	6.346	0.389	0.013	0.023	0.003	0.003	0.001	0.001
08/21/2025	1045.269	0.958	1.174	0.602	91.468	6.001	0.352	0.015	0.024	0.003	0.003	0.001	0.001
08/20/2025	1051.098	1.113	0.986	0.607	90.834	6.628	0.386	0.016	0.027	0.004	0.004	0.001	0.001
08/19/2025	1056.149	1.200	0.999	0.611	89.982	7.345	0.419	0.017	0.029	0.004	0.004	0.001	0.001
08/18/2025	1049.027	0.990	1.299	0.607	90.789	6.404	0.428	0.023	0.046	0.007	0.008	0.002	0.002
08/17/2025	1047.597	0.971	1.330	0.606	90.791	6.486	0.378	0.014	0.023	0.003	0.003	0.001	0.001
08/16/2025	1059.467	1.302	1.016	0.615	89.286	7.905	0.435	0.017	0.029	0.004	0.004	0.001	0.001
08/15/2025	1036.448	0.723	1.658	0.598	92.054	5.173	0.333	0.016	0.030	0.005	0.005	0.002	0.002
08/14/2025	1031.923	0.648	1.730	0.595	92.547	4.757	0.278	0.012	0.020	0.003	0.003	0.001	0.001
08/13/2025	1030.331	0.583	1.769	0.593	92.835	4.485	0.281	0.013	0.024	0.004	0.004	0.001	0.001
08/12/2025	1049.338	0.981	1.262	0.606	90.836	6.405	0.442	0.020	0.039	0.006	0.006	0.002	0.002
08/11/2025	1051.064	0.963	1.178	0.606	90.844	6.490	0.455	0.020	0.036	0.005	0.005	0.001	0.001
08/10/2025	1048.016	0.954	1.286	0.605	91.008	6.239	0.438	0.021	0.039	0.006	0.006	0.002	0.002
08/09/2025	1045.127	0.986	1.305	0.604	91.313	5.869	0.430	0.024	0.049	0.009	0.010	0.003	0.003
08/08/2025	1039.956	0.900	1.427	0.601	91.730	5.544	0.341	0.016	0.030	0.005	0.005	0.002	0.002
08/07/2025	1036.039	0.815	1.516	0.598	92.153	5.169	0.302	0.013	0.023	0.003	0.003	0.001	0.001
08/06/2025	1044.988	0.989	1.198	0.603	91.367	6.059	0.340	0.015	0.025	0.003	0.003	0.001	0.001