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Gas Quality / Gas Quality By Date

Date Requested: Sep 02 2025 12:56 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


09/02/2025	1049.317	0.981	1.464	0.608	90.304	6.774	0.419	0.017	0.032	0.004	0.004	0.001	0.001	0.000
09/01/2025	1041.859	0.849	1.666	0.604	91.068	5.981	0.381	0.016	0.030	0.004	0.004	0.001	0.001	0.000
08/31/2025	1043.870	0.929	1.448	0.604	91.113	6.086	0.375	0.014	0.027	0.003	0.003	0.001	0.001	0.000
08/30/2025	1044.974	0.939	1.405	0.604	91.057	6.170	0.376	0.015	0.028	0.004	0.004	0.002	0.002	0.000
08/29/2025	1044.290	0.903	1.466	0.604	91.118	6.068	0.381	0.016	0.031	0.005	0.005	0.003	0.003	0.000
08/28/2025	1046.778	0.940	1.401	0.605	90.884	6.308	0.402	0.018	0.033	0.005	0.005	0.002	0.002	0.000
08/27/2025	1045.560	0.909	1.352	0.604	91.158	6.148	0.387	0.014	0.025	0.003	0.003	0.001	0.001	0.000
08/26/2025	1061.590	1.242	1.003	0.616	89.267	7.915	0.513	0.018	0.033	0.004	0.004	0.001	0.001	0.000
08/25/2025	1046.598	0.872	1.296	0.603	91.282	6.086	0.406	0.016	0.030	0.004	0.004	0.001	0.001	0.000
08/24/2025	1043.397	0.838	1.398	0.602	91.526	5.795	0.384	0.017	0.031	0.004	0.004	0.001	0.001	0.000
08/23/2025	1051.479	0.979	1.306	0.608	90.508	6.651	0.472	0.022	0.044	0.006	0.007	0.002	0.002	0.000
08/22/2025	1048.027	0.914	1.319	0.605	90.933	6.386	0.393	0.016	0.029	0.004	0.004	0.001	0.001	0.000
08/21/2025	1045.573	0.813	1.376	0.602	91.297	6.105	0.354	0.015	0.026	0.003	0.003	0.001	0.001	0.003
08/20/2025	1035.939	0.666	1.575	0.596	92.362	5.055	0.294	0.012	0.022	0.003	0.003	0.001	0.001	0.004
08/19/2025	1040.334	0.783	1.512	0.600	91.757	5.546	0.339	0.017	0.031	0.005	0.005	0.002	0.002	0.000
08/18/2025	1044.769	0.902	1.408	0.604	91.150	6.116	0.372	0.015	0.028	0.004	0.004	0.001	0.001	0.000
08/17/2025	1049.977	1.004	1.321	0.608	90.468	6.755	0.399	0.015	0.028	0.004	0.004	0.001	0.001	0.000
08/16/2025	1046.258	0.950	1.408	0.605	90.868	6.336	0.380	0.016	0.030	0.004	0.004	0.002	0.002	0.000
08/15/2025	1043.890	0.886	1.475	0.604	91.175	6.030	0.372	0.016	0.032	0.005	0.005	0.002	0.002	0.000
08/14/2025	1046.424	0.947	1.343	0.605	91.038	6.214	0.392	0.018	0.034	0.005	0.006	0.002	0.002	0.000
08/13/2025	1048.389	0.969	1.246	0.605	91.002	6.286	0.421	0.020	0.039	0.006	0.006	0.002	0.002	0.000
08/12/2025	1056.189	1.118	1.022	0.610	90.302	6.954	0.505	0.025	0.051	0.008	0.009	0.003	0.003	0.000
08/11/2025	1054.335	1.099	1.065	0.609	90.448	6.813	0.483	0.024	0.048	0.007	0.008	0.002	0.002	0.000
08/10/2025	1049.304	1.035	1.186	0.606	90.931	6.315	0.441	0.023	0.047	0.008	0.008	0.003	0.003	0.000
08/09/2025	1047.350	1.033	1.256	0.606	91.004	6.192	0.427	0.022	0.046	0.008	0.008	0.002	0.002	0.000
08/08/2025	1041.950	0.955	1.340	0.602	91.542	5.761	0.344	0.016	0.031	0.005	0.005	0.001	0.001	0.000
08/07/2025	1038.922	0.882	1.407	0.600	91.872	5.491	0.305	0.013	0.023	0.003	0.003	0.001	0.001	0.000
08/06/2025	1036.832	0.771	1.520	0.598	92.134	5.235	0.294	0.013	0.024	0.003	0.003	0.001	0.001	0.000
08/05/2025	1047.937	1.042	1.132	0.605	91.037	6.381	0.358	0.015	0.027	0.003	0.003	0.001	0.001	0.000
08/04/2025	1061.192	1.327	0.746	0.614	89.617	7.829	0.431	0.016	0.028	0.003	0.003	0.000	0.000	0.000
08/03/2025	1055.626	1.200	0.980	0.611	90.058	7.317	0.397	0.015	0.026	0.003	0.003	0.001	0.001	0.000
08/02/2025	1060.313	1.359	0.694	0.613	89.821	7.609	0.460	0.018	0.031	0.003	0.003	0.001	0.001	0.000
08/01/2025	1059.089	1.246	0.742	0.611	90.172	7.316	0.444	0.022	0.041	0.006	0.007	0.002	0.002	0.000
07/31/2025	1054.442	1.085	0.882	0.607	90.851	6.645	0.448	0.024	0.046	0.007	0.008	0.002	0.002	0.000
07/30/2025	1055.437	1.137	0.995	0.610	90.284	7.062	0.450	0.020	0.037	0.005	0.005	0.001	0.001	0.003
07/29/2025	1054.986	1.107	1.046	0.610	90.321	6.991	0.459	0.021	0.040	0.005	0.006	0.001	0.001	0.001
07/28/2025	1057.036	1.187	0.961	0.611	90.072	7.236	0.466	0.022	0.041	0.006	0.006	0.001	0.001	0.002
07/27/2025	1059.222	1.234	0.890	0.613	89.845	7.483	0.472	0.022	0.039	0.005	0.005	0.001	0.001	0.001
07/26/2025	1059.527	1.250	0.845	0.613	89.834	7.554	0.453	0.020	0.034	0.004	0.004	0.001	0.001	0.000
07/25/2025	1059.543	1.255	0.877	0.613	89.735	7.628	0.443	0.020	0.034	0.004	0.004	0.001	0.001	0.000
07/24/2025	1059.706	1.241	0.923	0.613	89.641	7.684	0.447	0.020	0.034	0.004	0.004	0.001	0.001	0.000
07/23/2025	1062.651	1.304	0.858	0.616	89.287	8.018	0.470	0.020	0.034	0.004	0.004	0.001	0.001	0.000
07/22/2025	1065.698	1.371	0.793	0.618	88.902	8.383	0.489	0.020	0.034	0.004	0.004	0.001	0.001	0.000
07/21/2025	1068.421	1.427	0.711	0.620	88.612	8.690	0.501	0.020	0.032	0.004	0.003	0.001	0.001	0.000
07/20/2025	1071.736	1.499	0.613	0.622	88.261	9.050	0.516	0.020	0.033	0.004	0.003	0.001	0.001	0.000
07/19/2025	1071.309	1.548	0.556	0.622	88.300	9.049	0.488	0.019	0.032	0.003	0.003	0.000	0.000	0.000
07/18/2025	1069.828	1.521	0.611	0.621	88.407	8.930	0.475	0.018	0.030	0.003	0.003	0.000	0.000	0.000
07/17/2025	1063.918	1.388	0.790	0.617	89.032	8.294	0.448	0.016	0.026	0.003	0.002	0.000	0.000	0.000
07/16/2025	1059.372	1.259	0.847	0.613	89.750	7.682	0.418	0.015	0.024	0.003	0.002	0.000	0.000	0.000
07/15/2025	1070.201	1.584	0.717	0.623	88.021	9.093	0.529	0.018	0.030	0.003	0.003	0.000	0.000	0.000
07/14/2025	1071.824	1.638	0.660	0.625	87.838	9.262	0.545	0.019	0.032	0.003	0.003	0.000	0.000	0.000
07/13/2025	1067.809	1.568	0.664	0.621	88.459	8.757	0.496	0.018	0.030	0.003	0.003	0.001	0.001	0.000
07/12/2025	1063.286	1.373	0.703	0.616	89.360	8.064	0.444	0.017	0.030	0.003	0.003	0.001	0.001	0.000
07/11/2025	1062.536	1.342	0.632	0.614	89.686	7.852	0.433	0.018	0.030	0.004	0.003	0.001	0.001	0.000
07/10/2025	1063.581	1.356	0.641	0.615	89.509	7.994	0.443	0.018	0.030	0.004	0.004	0.001	0.001	0.000
07/09/2025	1070.378	1.500	0.472	0.620	88.714	8.786	0.467	0.019	0.032	0.004	0.004	0.001	0.001	0.000
07/08/2025	1070.234	1.481	0.531	0.620	88.648	8.805	0.474	0.019	0.032	0.004	0.004	0.001	0.001	0.000
07/07/2025	1068.718	1.416	0.660	0.619	88.721	8.650	0.488	0.020	0.034	0.004	0.004	0.001	0.001	0.000
07/06/2025	1054.845	1.025	1.108	0.609	90.381	6.972	0.430	0.023	0.043	0.007	0.007	0.002	0.002	0.000
07/05/2025	1053.125	0.984	1.189	0.608	90.534	6.767	0.435	0.024	0.046	0.007	0.008	0.003	0.003	0.000
07/04/2025	1055.238	1.041	1.166	0.610	90.211	7.032	0.455	0.025	0.049	0.008	0.008	0.003	0.003	0.000
07/03/2025	1056.603	1.129	1.051	0.611	90.013	7.314	0.420	0.020	0.037	0.006	0.006	0.002	0.002	0.000
07/02/2025	1059.047	1.198	0.911	0.612	89.843	7.563	0.415	0.020	0.034	0.006	0.005	0.002	0.002	0.000
07/01/2025	1057.288	1.167	0.937	0.611	90.059	7.376	0.394	0.019	0.033	0.005	0.005	0.002	0.002	0.000
06/30/2025	1056.429	1.141	0.944	0.610	90.183	7.294	0.376	0.017	0.031	0.005	0.005	0.002	0.002	0.000
06/29/2025	1058.519	1.185	0.877	0.611	89.979	7.504	0.393	0.017	0.032	0.005	0.005	0.001	0.001	0.000
06/28/2025	1051.562	1.058	1.101	0.607	90.640	6.766	0.373	0.017	0.031	0.005	0.005	0.002	0.002	0.000
06/27/2025	1045.226	0.933	1.365	0.604	91.144	6.128	0.365	0.017	0.034	0.005	0.006	0.002	0.002	0.000
06/26/2025	1050.065	1.039	1.250	0.608	90.605	6.619	0.408	0.020	0.040	0.006	0.007	0.002	0.002	0.000
06/25/2025	1046.749	0.991	1.403	0.606	90.813	6.300	0.407	0.022	0.044	0.007	0.008	0.002	0.002	0.000
06/24/2025	1042.482	0.938	1.531	0.604	91.111	5.983	0.369	0.018	0.035	0.005	0.006	0.002	0.002	0.000
06/23/2025	1044.295	0.978	1.496	0.605	90.892	6.179	0.383	0.019	0.037	0.006	0.006	0.002	0.002	0.000
06/22/2025	1046.032	1.002	1.462	0.607	90.716	6.343	0.401	0.020	0.039	0.006	0.007	0.002	0.002	0.000
06/21/2025	1049.912	1.078	1.357	0.609	90.323	6.724	0.436	0.022	0.042	0.007	0.007	0.002	0.002	0.000
06/20/2025	1059.216	1.289	1.108	0.616	89.281	7.732	0.501	0.024	0.046	0.007	0.007	0.002	0.002	0.000
06/19/2025	1059.640	1.343	1.037	0.616	89.193	7.891	0.460	0.021	0.039	0.006	0.006	0.002	0.002	0.000
06/18/2025	1055.001	1.263	1.113	0.613	89.748	7.399	0.407	0.019	0.037	0.006	0.006	0.002	0.002	0.000
06/17/2025	1056.961	1.329	1.038	0.614	89.519	7.632	0.411	0.019	0.037	0.006	0.006	0.002	0.002	0.000
06/16/2025	1061.063	1.404	0.933	0.617	89.102	8.036	0.446	0.021	0.041	0.006	0.007	0.002	0.002	0.000
06/15/2025	1063.536	1.445	0.882	0.619	88.840	8.276	0.473	0.022	0.043	0.007	0.007	0.002	0.002	0.000
06/14/2025	1060.875	1.347	0.976	0.616	89.198	7.924	0.472	0.023	0.043	0.007	0.007	0.002	0.002	0.000
06/13/2025	1066.418	1.466	0.846	0.621	88.552	8.533	0.516	0.024	0.046	0.007	0.007	0.002	0.002	0.000
06/12/2025	1047.419	1.019	1.329	0.606	90.771	6.426	0.384	0.019	0.037	0.006	0.006	0.002	0.002	0.000
06/11/2025	1036.613	0.748	1.655	0.599	91.966	5.250	0.321	0.016	0.032	0.005	0.005	0.002	0.002	0.000
06/10/2025	1036.088	0.732	1.686	0.598	91.994	5.210	0.320	0.015	0.031	0.005	0.005	0.001	0.001	0.000
06/09/2025	1036.433	0.747	1.657	0.598	91.961	5.271	0.310	0.014	0.028	0.004	0.004	0.001	0.001	0.000
06/08/2025	1040.540	0.866	1.459	0.601	91.587	5.739	0.300	0.013	0.026	0.004	0.004	0.001	0.001	0.000
06/07/2025	1044.292	1.001	1.211	0.603	91.345	6.104	0.297	0.012	0.022	0.003	0.003	0.001	0.001	0.000
06/06/2025	1044.800	1.009	1.204	0.603	91.316	6.097	0.330	0.013	0.024	0.003	0.003	0.001	0.001	0.000
06/05/2025	1044.849	1.031	1.160	0.603	91.393	6.005	0.366	0.014	0.024	0.003	0.002	0.001	0.001	0.000
06/04/2025	1044.462	1.024	1.131	0.602	91.514	5.933	0.353	0.014	0.024	0.003	0.003	0.001	0.001	0.000
06/03/2025	1044.093	1.018	1.120	0.602	91.593	5.882	0.344	0.014	0.024	0.003	0.003	0.001	0.001	0.000
06/02/2025	1043.684	1.010	1.135	0.602	91.604	5.882	0.329	0.013	0.022	0.002	0.002	0.000	0.000	0.000
06/01/2025	1043.499	1.005	1.141	0.602	91.611	5.887	0.319	0.012	0.020	0.002	0.002	0.000	0.000	0.000