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Gas Quality / Gas Quality By Date

Date Requested: Nov 29 2025 9:30 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	1048.536	0.543	0.441	0.590	93.387	5.507	0.113	0.004	0.003	0.001	0.000	0.000	0.000
11/28/2025	1048.363	0.536	0.450	0.590	93.407	5.486	0.112	0.004	0.004	0.001	0.000	0.000	0.000
11/27/2025	1048.054	0.543	0.464	0.590	93.393	5.482	0.109	0.005	0.004	0.001	0.000	0.000	0.000
11/26/2025	1048.728	0.549	0.415	0.590	93.403	5.518	0.106	0.005	0.004	0.001	0.000	0.000	0.000
11/25/2025	1048.839	0.550	0.421	0.590	93.375	5.538	0.107	0.004	0.004	0.001	0.000	0.000	0.000
11/24/2025	1048.282	0.546	0.425	0.590	93.448	5.462	0.110	0.004	0.004	0.001	0.000	0.000	0.000
11/23/2025	1048.754	0.552	0.418	0.590	93.424	5.462	0.128	0.007	0.007	0.001	0.001	0.000	0.000
11/22/2025	1049.617	0.558	0.408	0.591	93.377	5.468	0.161	0.011	0.012	0.002	0.002	0.000	0.000
11/21/2025	1049.999	0.550	0.409	0.591	93.385	5.438	0.183	0.014	0.016	0.003	0.002	0.000	0.000
11/20/2025	1048.996	0.548	0.428	0.590	93.426	5.413	0.164	0.009	0.009	0.002	0.001	0.000	0.000
11/19/2025	1049.040	0.544	0.433	0.590	93.394	5.460	0.154	0.007	0.006	0.001	0.000	0.000	0.000
11/18/2025	1053.161	0.551	0.433	0.593	93.057	5.624	0.274	0.024	0.027	0.005	0.003	0.001	0.001
11/17/2025	1050.620	0.565	0.479	0.592	93.222	5.423	0.254	0.023	0.025	0.004	0.003	0.001	0.001
11/16/2025	1046.128	0.562	0.468	0.589	93.611	5.224	0.125	0.005	0.004	0.001	0.000	0.000	0.000
11/15/2025	1047.436	0.560	0.451	0.590	93.501	5.338	0.139	0.006	0.005	0.001	0.000	0.000	0.000
11/14/2025	1048.593	0.564	0.446	0.590	93.363	5.466	0.151	0.006	0.004	0.001	0.000	0.000	0.000
11/13/2025	1048.390	0.538	0.432	0.590	93.463	5.425	0.132	0.005	0.004	0.001	0.000	0.000	0.000
11/12/2025	1048.659	0.532	0.422	0.590	93.463	5.438	0.133	0.005	0.004	0.001	0.000	0.000	0.000
11/11/2025	1048.973	0.526	0.418	0.590	93.443	5.473	0.130	0.005	0.004	0.001	0.000	0.000	0.000
11/10/2025	1048.590	0.533	0.415	0.590	93.479	5.438	0.125	0.005	0.004	0.001	0.000	0.000	0.000
11/09/2025	1048.309	0.528	0.414	0.589	93.524	5.405	0.119	0.005	0.004	0.001	0.000	0.000	0.000
11/08/2025	1048.584	0.511	0.385	0.589	93.602	5.369	0.121	0.006	0.005	0.001	0.000	0.000	0.000
11/07/2025	1047.460	0.519	0.376	0.588	93.735	5.250	0.111	0.005	0.004	0.001	0.000	0.000	0.000
11/06/2025	1045.891	0.520	0.384	0.587	93.923	5.050	0.114	0.005	0.004	0.001	0.000	0.000	0.000
11/05/2025	1046.253	0.514	0.380	0.587	93.904	5.072	0.119	0.005	0.004	0.001	0.000	0.000	0.000
11/04/2025	1045.921	0.515	0.379	0.587	93.962	5.001	0.129	0.006	0.005	0.001	0.000	0.000	0.000
11/03/2025	1049.809	0.513	0.376	0.590	93.743	5.011	0.292	0.026	0.028	0.005	0.004	0.001	0.001
11/02/2025	1045.945	0.515	0.370	0.587	93.985	4.983	0.133	0.006	0.006	0.001	0.000	0.000	0.000
11/01/2025	1054.041	0.619	0.844	0.599	91.734	6.515	0.268	0.008	0.010	0.001	0.001	0.000	0.000
10/31/2025	1054.957	0.628	0.911	0.600	91.483	6.648	0.307	0.009	0.012	0.001	0.001	0.000	0.000
10/30/2025	1053.191	0.608	0.815	0.598	91.960	6.308	0.285	0.009	0.012	0.001	0.001	0.000	0.000
10/29/2025	1045.536	0.515	0.388	0.587	93.970	5.005	0.110	0.005	0.005	0.001	0.000	0.000	0.000
10/28/2025	1048.661	0.510	0.398	0.589	93.545	5.430	0.107	0.005	0.004	0.001	0.000	0.000	0.000
10/27/2025	1048.892	0.506	0.396	0.589	93.564	5.389	0.127	0.008	0.007	0.001	0.001	0.000	0.000
10/26/2025	1048.739	0.513	0.408	0.589	93.547	5.378	0.139	0.007	0.006	0.001	0.001	0.000	0.000
10/25/2025	1049.934	0.521	0.395	0.590	93.496	5.363	0.192	0.014	0.015	0.002	0.002	0.000	0.000
10/24/2025	1044.897	0.547	0.468	0.588	93.802	5.050	0.122	0.005	0.004	0.001	0.000	0.000	0.000
10/23/2025	1043.837	0.540	0.487	0.587	93.922	4.912	0.127	0.005	0.005	0.001	0.000	0.000	0.000
10/22/2025	1044.729	0.518	0.368	0.586	94.115	4.877	0.113	0.005	0.004	0.001	0.000	0.000	0.000
10/21/2025	1048.868	0.510	0.376	0.589	93.644	5.286	0.167	0.008	0.007	0.001	0.001	0.000	0.000
10/20/2025	1046.756	0.527	0.380	0.588	93.831	5.116	0.133	0.006	0.006	0.001	0.001	0.000	0.000
10/19/2025	1044.424	0.549	0.450	0.588	93.894	4.979	0.118	0.004	0.004	0.001	0.000	0.000	0.000
10/18/2025	1043.391	0.548	0.502	0.587	93.918	4.899	0.123	0.005	0.004	0.001	0.000	0.000	0.000
10/17/2025	1044.501	0.518	0.464	0.587	93.927	4.962	0.119	0.005	0.004	0.001	0.000	0.000	0.000
10/16/2025	1043.999	0.540	0.409	0.587	94.110	4.779	0.144	0.008	0.007	0.001	0.001	0.000	0.000
10/15/2025	1041.205	0.564	0.400	0.585	94.460	4.403	0.149	0.010	0.011	0.002	0.001	0.000	0.000
10/14/2025	1041.623	0.576	0.401	0.586	94.329	4.552	0.129	0.006	0.005	0.001	0.001	0.000	0.000
10/13/2025	1040.170	0.575	0.397	0.585	94.514	4.386	0.116	0.006	0.005	0.001	0.000	0.000	0.000
10/12/2025	1039.908	0.617	0.422	0.585	94.392	4.442	0.116	0.005	0.004	0.001	0.000	0.000	0.000
10/11/2025	1039.786	0.575	0.434	0.585	94.476	4.392	0.113	0.005	0.005	0.001	0.000	0.000	0.000
10/10/2025	1038.599	0.579	0.428	0.584	94.624	4.254	0.105	0.005	0.004	0.001	0.000	0.000	0.000
10/09/2025	1039.185	0.573	0.414	0.584	94.594	4.303	0.106	0.005	0.004	0.001	0.000	0.000	0.000
10/08/2025	1038.900	0.571	0.401	0.584	94.667	4.246	0.105	0.005	0.004	0.001	0.000	0.000	0.000
10/07/2025	1037.245	0.580	0.411	0.583	94.844	4.045	0.108	0.005	0.005	0.001	0.001	0.000	0.000
10/06/2025	1037.031	0.597	0.391	0.583	94.879	4.011	0.112	0.005	0.004	0.001	0.000	0.000	0.000
10/05/2025	1035.654	0.605	0.395	0.582	95.030	3.851	0.109	0.005	0.005	0.001	0.000	0.000	0.000
10/04/2025	1034.208	0.598	0.422	0.582	95.160	3.712	0.097	0.005	0.004	0.001	0.001	0.000	0.000
10/03/2025	1034.371	0.581	0.447	0.582	95.116	3.751	0.094	0.005	0.004	0.001	0.000	0.000	0.000
10/02/2025	1034.871	0.569	0.442	0.582	95.088	3.801	0.092	0.004	0.004	0.001	0.000	0.000	0.000
10/01/2025	1035.013	0.564	0.444	0.582	95.082	3.804	0.096	0.005	0.004	0.001	0.001	0.000	0.000
09/30/2025	1041.047	0.575	0.429	0.586	94.308	4.576	0.101	0.005	0.004	0.001	0.001	0.000	0.000
09/29/2025	1041.253	0.568	0.427	0.586	94.305	4.586	0.104	0.005	0.004	0.001	0.000	0.000	0.000
09/28/2025	1042.174	0.544	0.437	0.586	94.217	4.689	0.102	0.005	0.004	0.001	0.001	0.000	0.000
09/27/2025	1042.962	0.594	0.431	0.587	94.016	4.845	0.105	0.005	0.004	0.001	0.001	0.000	0.000
09/26/2025	1043.936	0.589	0.415	0.587	94.008	4.807	0.167	0.007	0.006	0.001	0.001	0.000	0.000
09/25/2025	1045.870	0.585	0.405	0.589	93.878	4.863	0.246	0.011	0.009	0.001	0.001	0.000	0.000
09/24/2025	1043.084	0.576	0.398	0.587	94.142	4.743	0.129	0.006	0.004	0.001	0.000	0.000	0.000
09/23/2025	1042.846	0.566	0.390	0.586	94.183	4.750	0.102	0.004	0.003	0.001	0.000	0.000	0.000
09/22/2025	1042.508	0.566	0.391	0.586	94.219	4.719	0.096	0.004	0.003	0.001	0.000	0.000	0.000
09/21/2025	1042.623	0.577	0.382	0.586	94.198	4.741	0.095	0.004	0.003	0.001	0.000	0.000	0.000
09/20/2025	1042.472	0.549	0.387	0.586	94.271	4.691	0.094	0.004	0.003	0.001	0.000	0.000	0.000
09/19/2025	1043.104	0.519	0.365	0.585	94.313	4.699	0.096	0.004	0.003	0.001	0.000	0.000	0.000
09/18/2025	1042.484	0.523	0.358	0.585	94.398	4.617	0.096	0.004	0.003	0.001	0.000	0.000	0.000
09/17/2025	1042.858	0.504	0.353	0.585	94.407	4.630	0.097	0.004	0.004	0.001	0.000	0.000	0.000
09/16/2025	1044.084	0.498	0.347	0.585	94.284	4.759	0.103	0.005	0.004	0.001	0.000	0.000	0.000
09/15/2025	1044.284	0.514	0.362	0.586	94.188	4.821	0.105	0.005	0.004	0.001	0.000	0.000	0.000
09/14/2025	1044.208	0.518	0.369	0.586	94.175	4.819	0.110	0.004	0.003	0.001	0.000	0.000	0.000
09/13/2025	1044.733	0.519	0.371	0.586	94.101	4.888	0.112	0.004	0.003	0.001	0.000	0.000	0.000
09/12/2025	1046.013	0.525	0.384	0.587	93.926	5.015	0.133	0.007	0.007	0.001	0.001	0.000	0.000
09/11/2025	1047.910	0.524	0.393	0.589	93.760	5.101	0.184	0.015	0.017	0.003	0.002	0.000	0.000
09/10/2025	1046.236	0.510	0.375	0.587	93.908	5.097	0.101	0.004	0.004	0.001	0.000	0.000	0.000
09/09/2025	1046.206	0.506	0.362	0.587	93.950	5.072	0.101	0.004	0.004	0.001	0.000	0.000	0.000
09/08/2025	1045.117	0.527	0.368	0.587	94.034	4.958	0.104	0.005	0.004	0.001	0.000	0.000	0.000
09/07/2025	1044.392	0.551	0.422	0.587	93.960	4.943	0.114	0.005	0.004	0.001	0.000	0.000	0.000
09/06/2025	1044.001	0.528	0.382	0.586	94.147	4.825	0.108	0.005	0.004	0.001	0.000	0.000	0.000
09/05/2025	1043.283	0.534	0.374	0.586	94.245	4.733	0.104	0.005	0.004	0.001	0.001	0.000	0.000
09/04/2025	1044.692	0.524	0.366	0.586	94.109	4.882	0.109	0.005	0.004	0.001	0.001	0.000	0.000
09/03/2025	1045.128	0.507	0.357	0.586	94.115	4.898	0.113	0.005	0.004	0.001	0.001	0.000	0.000
09/02/2025	1044.804	0.517	0.352	0.586	94.145	4.864	0.113	0.005	0.004	0.001	0.000	0.000	0.000
09/01/2025	1044.990	0.517	0.368	0.587	94.078	4.916	0.110	0.005	0.004	0.001	0.000	0.000	0.000
08/31/2025	1044.453	0.513	0.363	0.586	94.164	4.846	0.105	0.004	0.004	0.001	0.000	0.000	0.000
08/30/2025	1044.556	0.521	0.374	0.586	94.122	4.856	0.117	0.005	0.004	0.001	0.000	0.000	0.000
08/29/2025	1043.170	0.512	0.374	0.585	94.303	4.701	0.102	0.004	0.003	0.001	0.000	0.000	0.000
08/28/2025	1044.108	0.506	0.365	0.586	94.216	4.802	0.103	0.004	0.003	0.001	0.000	0.000	0.000