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Gas Quality / Gas Quality By Date

Date Requested: Oct 18 2025 8:21 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	1029.913	0.601	1.860	0.594	92.786	4.350	0.315	0.022	0.046	0.009	0.010	0.000
10/17/2025	1031.549	0.632	1.806	0.595	92.690	4.426	0.344	0.025	0.053	0.010	0.012	0.000
10/16/2025	1025.897	0.528	1.925	0.591	93.273	3.913	0.283	0.020	0.042	0.008	0.009	0.000
10/15/2025	1031.609	0.654	1.717	0.595	92.746	4.496	0.303	0.021	0.044	0.008	0.009	0.000
10/14/2025	1043.745	0.918	1.356	0.603	91.478	5.794	0.361	0.024	0.050	0.009	0.010	0.000
10/13/2025	1049.227	1.049	1.219	0.607	90.806	6.445	0.386	0.025	0.050	0.009	0.011	0.000
10/12/2025	1046.264	0.954	1.262	0.604	91.267	6.062	0.369	0.023	0.045	0.008	0.009	0.000
10/11/2025	1043.805	0.863	1.373	0.602	91.481	5.864	0.349	0.020	0.037	0.006	0.007	0.000
10/10/2025	1037.602	0.688	1.527	0.597	92.234	5.205	0.294	0.015	0.026	0.005	0.005	0.000
10/09/2025	1036.786	0.597	1.690	0.597	92.155	5.222	0.292	0.013	0.023	0.004	0.004	0.000
10/08/2025	1039.299	0.637	1.676	0.599	91.799	5.524	0.319	0.014	0.024	0.004	0.004	0.000
10/07/2025	1041.890	0.741	1.491	0.600	91.677	5.680	0.347	0.017	0.029	0.004	0.004	0.011
10/06/2025	1044.296	0.757	1.427	0.601	91.475	5.948	0.338	0.016	0.024	0.006	0.005	0.004
10/05/2025	1045.454	0.726	1.456	0.602	91.382	6.015	0.362	0.018	0.030	0.006	0.006	0.000
10/04/2025	1035.999	0.604	1.546	0.595	92.566	4.959	0.280	0.013	0.022	0.004	0.004	0.000
10/03/2025	1037.184	0.614	1.620	0.596	92.194	5.255	0.281	0.012	0.017	0.003	0.003	0.000
10/02/2025	1036.483	0.602	1.618	0.596	92.319	5.145	0.281	0.012	0.018	0.003	0.003	0.000
10/01/2025	1038.480	0.645	1.636	0.598	91.945	5.434	0.301	0.012	0.020	0.003	0.003	0.000
09/30/2025	1045.462	0.886	1.331	0.603	91.256	6.128	0.347	0.016	0.027	0.004	0.004	0.000
09/29/2025	1047.563	0.985	1.145	0.604	91.172	6.309	0.341	0.015	0.024	0.004	0.004	0.000
09/28/2025	1049.025	1.018	1.343	0.608	90.569	6.590	0.411	0.020	0.036	0.006	0.006	0.000
09/27/2025	1051.319	0.882	1.433	0.608	90.416	6.728	0.479	0.020	0.033	0.004	0.004	0.000
09/26/2025	1050.225	0.854	1.439	0.607	90.576	6.623	0.451	0.018	0.031	0.004	0.004	0.000
09/25/2025	1051.529	0.834	1.418	0.607	90.577	6.607	0.493	0.022	0.038	0.005	0.005	0.000
09/24/2025	1055.206	0.904	1.395	0.610	90.044	7.044	0.538	0.023	0.041	0.006	0.006	0.000
09/23/2025	1052.936	0.885	1.399	0.608	90.373	6.741	0.520	0.024	0.043	0.007	0.007	0.000
09/22/2025	1054.662	0.918	1.407	0.610	90.043	7.039	0.515	0.024	0.043	0.006	0.006	0.000
09/21/2025	1048.844	0.863	1.414	0.606	90.861	6.322	0.462	0.023	0.042	0.006	0.006	0.000
09/20/2025	1050.835	0.862	1.482	0.608	90.461	6.633	0.482	0.024	0.043	0.006	0.006	0.000
09/19/2025	1054.235	0.925	1.401	0.610	90.112	6.951	0.524	0.025	0.045	0.007	0.007	0.002
09/18/2025	1050.710	0.867	1.448	0.607	90.512	6.633	0.469	0.021	0.038	0.006	0.005	0.000
09/17/2025	1051.999	0.914	1.392	0.608	90.442	6.644	0.526	0.025	0.044	0.006	0.006	0.000
09/16/2025	1052.829	0.931	1.373	0.609	90.299	6.824	0.499	0.022	0.040	0.006	0.006	0.000
09/15/2025	1051.746	0.960	1.338	0.608	90.401	6.767	0.470	0.020	0.035	0.005	0.005	0.000
09/14/2025	1051.893	0.937	1.387	0.609	90.430	6.639	0.521	0.025	0.047	0.007	0.007	0.000
09/13/2025	1055.198	0.965	1.359	0.611	90.212	6.718	0.610	0.036	0.073	0.012	0.013	0.000
09/12/2025	1050.735	0.897	1.395	0.607	90.807	6.202	0.575	0.034	0.067	0.011	0.012	0.000
09/11/2025	1053.681	0.904	1.407	0.609	90.438	6.499	0.618	0.036	0.072	0.012	0.012	0.000
09/10/2025	1054.372	0.938	1.334	0.610	90.475	6.488	0.622	0.039	0.077	0.013	0.014	0.000
09/09/2025	1057.406	0.994	1.246	0.611	90.180	6.795	0.638	0.040	0.080	0.013	0.014	0.000
09/08/2025	1059.018	0.943	1.254	0.612	90.094	6.876	0.694	0.040	0.076	0.011	0.012	0.000
09/07/2025	1055.907	0.919	1.248	0.609	90.456	6.597	0.674	0.033	0.059	0.007	0.007	0.000
09/06/2025	1057.182	0.931	1.272	0.611	90.175	6.862	0.662	0.031	0.054	0.006	0.006	0.000
09/05/2025	1055.852	0.868	1.387	0.610	90.069	7.036	0.569	0.024	0.039	0.004	0.003	0.000
09/04/2025	1052.362	0.857	1.375	0.607	90.493	6.708	0.505	0.021	0.034	0.003	0.003	0.000
09/03/2025	1051.349	0.857	1.383	0.607	90.620	6.559	0.519	0.021	0.034	0.003	0.003	0.000
09/02/2025	1053.238	0.889	1.415	0.609	90.285	6.778	0.554	0.025	0.041	0.004	0.004	0.004
09/01/2025	1052.377	0.901	1.434	0.609	90.305	6.722	0.551	0.024	0.038	0.006	0.005	0.015
08/31/2025	1057.454	0.993	1.313	0.612	89.825	7.181	0.594	0.029	0.052	0.007	0.006	0.000
08/30/2025	1055.678	1.017	1.290	0.611	89.939	7.159	0.519	0.024	0.042	0.005	0.005	0.000
08/29/2025	1049.966	0.873	1.412	0.607	90.639	6.556	0.459	0.020	0.034	0.004	0.004	0.000
08/28/2025	1052.747	0.912	1.394	0.609	90.216	6.961	0.463	0.018	0.030	0.003	0.003	0.000
08/27/2025	1054.178	0.945	1.329	0.609	90.122	7.068	0.481	0.019	0.030	0.003	0.003	0.000
08/26/2025	1055.243	0.932	1.344	0.610	90.032	7.110	0.522	0.020	0.033	0.004	0.003	0.000
08/25/2025	1058.745	0.996	1.287	0.613	89.629	7.450	0.571	0.023	0.037	0.004	0.004	0.000
08/24/2025	1055.822	0.915	1.328	0.610	90.055	7.109	0.529	0.021	0.035	0.004	0.004	0.000
08/23/2025	1057.623	0.924	1.309	0.611	89.850	7.308	0.547	0.021	0.034	0.004	0.003	0.000
08/22/2025	1054.114	0.888	1.354	0.609	90.258	6.929	0.509	0.021	0.034	0.004	0.004	0.000
08/21/2025	1049.954	0.785	1.350	0.604	90.938	6.449	0.426	0.018	0.028	0.003	0.003	0.000
08/20/2025	1054.612	0.814	1.350	0.608	90.446	6.733	0.591	0.024	0.036	0.003	0.003	0.000
08/19/2025	1058.820	0.933	1.276	0.612	89.785	7.369	0.572	0.023	0.036	0.004	0.003	0.000
08/18/2025	1058.015	0.991	1.250	0.612	89.790	7.363	0.538	0.022	0.037	0.004	0.004	0.000
08/17/2025	1056.256	0.938	1.340	0.611	89.976	7.109	0.564	0.024	0.040	0.005	0.005	0.000
08/16/2025	1052.819	0.857	1.409	0.608	90.345	6.839	0.489	0.020	0.033	0.004	0.004	0.000
08/15/2025	1056.852	0.953	1.355	0.612	89.790	7.281	0.555	0.022	0.035	0.004	0.003	0.000
08/14/2025	1056.182	0.911	1.384	0.611	89.922	7.157	0.556	0.023	0.038	0.004	0.004	0.000
08/13/2025	1057.855	0.975	1.340	0.612	89.703	7.313	0.597	0.024	0.040	0.004	0.004	0.000
08/12/2025	1060.435	0.967	1.348	0.614	89.494	7.400	0.710	0.028	0.045	0.004	0.004	0.000
08/11/2025	1061.463	0.946	1.296	0.614	89.519	7.476	0.674	0.029	0.049	0.006	0.005	0.000
08/10/2025	1054.797	0.876	1.350	0.609	90.300	6.807	0.586	0.025	0.040	0.005	0.005	0.006
08/09/2025	1049.595	0.756	1.409	0.604	90.971	6.340	0.464	0.020	0.033	0.004	0.004	0.000
08/08/2025	1049.328	0.731	1.461	0.604	90.978	6.283	0.480	0.021	0.036	0.005	0.005	0.000
08/07/2025	1049.671	0.811	1.455	0.606	90.763	6.412	0.498	0.020	0.032	0.004	0.004	0.000
08/06/2025	1062.975	1.111	1.219	0.617	89.030	7.932	0.633	0.025	0.039	0.004	0.004	0.003
08/05/2025	1057.762	1.049	1.154	0.612	89.871	7.350	0.517	0.021	0.033	0.004	0.003	0.000
08/04/2025	1056.903	1.032	1.125	0.610	90.060	7.229	0.497	0.020	0.031	0.003	0.003	0.000
08/03/2025	1048.724	0.842	1.332	0.604	91.010	6.336	0.430	0.018	0.027	0.003	0.003	0.000
08/02/2025	1045.662	0.782	1.333	0.601	91.508	5.933	0.393	0.017	0.027	0.003	0.003	0.000
08/01/2025	1046.363	0.831	1.360	0.603	91.299	6.017	0.435	0.019	0.031	0.004	0.004	0.000
07/31/2025	1043.401	0.782	1.331	0.600	91.852	5.565	0.409	0.019	0.033	0.004	0.004	0.000
07/30/2025	1047.599	0.866	1.251	0.603	91.319	6.032	0.453	0.021	0.034	0.005	0.005	0.014
07/29/2025	1045.906	0.839	1.262	0.602	91.574	5.827	0.438	0.020	0.032	0.004	0.004	0.000
07/28/2025	1047.532	0.795	1.283	0.602	91.438	5.964	0.454	0.021	0.035	0.004	0.004	0.000
07/27/2025	1048.360	0.848	1.266	0.604	91.294	6.039	0.481	0.023	0.039	0.005	0.005	0.000
07/26/2025	1046.973	0.775	1.342	0.602	91.371	6.044	0.409	0.019	0.033	0.004	0.004	0.000
07/25/2025	1045.276	0.757	1.448	0.602	91.443	5.851	0.427	0.022	0.040	0.006	0.006	0.000
07/24/2025	1042.488	0.703	1.489	0.600	91.791	5.527	0.426	0.019	0.032	0.004	0.005	0.004
07/23/2025	1054.684	1.211	0.915	0.610	90.272	7.190	0.367	0.016	0.024	0.003	0.003	0.000
07/22/2025	1057.130	1.251	0.835	0.611	90.105	7.346	0.409	0.018	0.028	0.004	0.003	0.000
07/21/2025	1051.070	1.062	1.122	0.607	90.643	6.740	0.375	0.019	0.031	0.004	0.004	0.000
07/20/2025	1050.841	1.067	1.074	0.607	90.776	6.649	0.375	0.019	0.031	0.004	0.004	0.000
07/19/2025	1055.208	1.159	1.086	0.611	90.043	7.214	0.431	0.021	0.037	0.005	0.005	0.000
07/18/2025	1059.354	1.302	0.904	0.614	89.574	7.720	0.447	0.018	0.029	0.003	0.003	0.000
07/17/2025	1066.428	1.408	0.639	0.617	89.026	8.421	0.456	0.018	0.027	0.003	0.003	0.000