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Gas Quality / Gas Quality By Date

Date Requested: Dec 11 2025 12:10 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


12/11/2025	1053.195	0.948	1.343	0.609	90.344	6.767	0.490	0.028	0.054	0.009	0.010	0.004	0.004
12/10/2025	1048.111	0.863	1.483	0.606	90.850	6.246	0.451	0.026	0.053	0.009	0.010	0.005	0.005
12/09/2025	1048.071	0.862	1.479	0.606	90.844	6.258	0.457	0.026	0.051	0.008	0.009	0.003	0.003
12/08/2025	1050.439	0.890	1.435	0.607	90.574	6.560	0.433	0.026	0.055	0.010	0.011	0.004	0.004
12/07/2025	1053.519	1.009	1.270	0.609	90.219	7.012	0.394	0.023	0.048	0.009	0.010	0.004	0.004
12/06/2025	1049.694	0.978	1.251	0.606	90.832	6.426	0.425	0.023	0.046	0.007	0.007	0.002	0.002
12/05/2025	1049.133	0.960	1.413	0.607	90.599	6.502	0.429	0.024	0.049	0.008	0.008	0.004	0.004
12/04/2025	1061.578	1.293	0.879	0.615	89.412	7.886	0.460	0.020	0.037	0.005	0.005	0.002	0.002
12/03/2025	1040.181	0.832	1.447	0.600	91.789	5.560	0.311	0.015	0.029	0.005	0.005	0.003	0.003
12/02/2025	1035.189	0.770	1.575	0.597	92.274	5.019	0.302	0.015	0.030	0.005	0.005	0.003	0.003
12/01/2025	1039.255	0.848	1.475	0.600	91.906	5.328	0.360	0.021	0.043	0.007	0.008	0.003	0.003
11/30/2025	1041.402	0.919	1.401	0.602	91.707	5.479	0.392	0.025	0.052	0.009	0.010	0.003	0.003
11/29/2025	1046.091	0.982	1.235	0.604	91.360	5.905	0.416	0.025	0.052	0.009	0.010	0.004	0.004
11/28/2025	1053.529	1.116	1.027	0.609	90.614	6.686	0.443	0.027	0.058	0.010	0.011	0.004	0.004
11/27/2025	1051.814	1.012	1.111	0.607	90.874	6.455	0.435	0.027	0.057	0.010	0.010	0.004	0.004
11/26/2025	1060.351	1.227	0.734	0.612	90.090	7.419	0.439	0.024	0.048	0.007	0.008	0.002	0.002
11/25/2025	1049.914	1.005	1.269	0.607	90.772	6.406	0.436	0.027	0.059	0.010	0.010	0.003	0.003
11/24/2025	1051.683	0.994	1.281	0.608	90.571	6.575	0.462	0.028	0.061	0.010	0.011	0.003	0.003
11/23/2025	1053.809	1.017	1.269	0.610	90.348	6.734	0.495	0.032	0.071	0.012	0.013	0.004	0.004
11/22/2025	1051.678	1.001	1.178	0.607	90.674	6.657	0.400	0.023	0.048	0.008	0.008	0.002	0.002
11/21/2025	1060.573	1.188	1.113	0.615	89.338	7.781	0.474	0.027	0.056	0.009	0.009	0.002	0.002
11/20/2025	1059.463	1.174	1.201	0.615	89.364	7.644	0.494	0.030	0.066	0.010	0.011	0.003	0.003
11/19/2025	1047.111	0.922	1.570	0.607	90.593	6.390	0.422	0.026	0.055	0.009	0.009	0.003	0.003
11/18/2025	1052.297	1.017	1.387	0.610	90.238	6.740	0.494	0.031	0.066	0.010	0.011	0.003	0.003
11/17/2025	1073.611	1.484	0.590	0.623	88.342	8.871	0.577	0.035	0.074	0.011	0.012	0.003	0.003
11/16/2025	1068.067	1.363	0.802	0.619	88.744	8.477	0.489	0.030	0.066	0.011	0.012	0.004	0.004
11/15/2025	1063.951	1.259	0.909	0.616	89.274	7.944	0.486	0.030	0.067	0.011	0.012	0.004	0.004
11/14/2025	1072.143	1.340	0.717	0.621	88.654	8.535	0.590	0.038	0.085	0.014	0.016	0.005	0.005
11/13/2025	1065.971	1.341	0.539	0.615	89.754	7.712	0.500	0.036	0.080	0.014	0.015	0.004	0.004
11/12/2025	1056.703	1.116	0.969	0.610	90.618	6.554	0.554	0.043	0.099	0.017	0.019	0.005	0.005
11/11/2025	1055.088	1.046	1.077	0.609	90.727	6.408	0.559	0.042	0.095	0.016	0.018	0.005	0.005
11/10/2025	1065.891	1.252	0.715	0.615	89.775	7.450	0.609	0.046	0.105	0.018	0.020	0.006	0.006
11/09/2025	1059.960	1.129	0.986	0.613	90.152	6.966	0.576	0.044	0.100	0.017	0.019	0.006	0.006
11/08/2025	1044.839	0.852	1.419	0.603	91.437	5.762	0.407	0.029	0.064	0.011	0.012	0.004	0.004
11/07/2025	1041.924	0.827	1.410	0.601	91.717	5.628	0.343	0.019	0.039	0.006	0.007	0.002	0.002
11/06/2025	1045.511	0.915	1.317	0.603	91.454	5.756	0.440	0.028	0.061	0.010	0.011	0.003	0.003
11/05/2025	1038.225	0.820	1.601	0.600	91.844	5.269	0.373	0.022	0.047	0.008	0.009	0.003	0.003
11/04/2025	1031.115	0.682	1.786	0.595	92.563	4.594	0.302	0.016	0.034	0.006	0.007	0.005	0.005
11/03/2025	1030.360	0.579	1.851	0.594	92.786	4.388	0.309	0.019	0.042	0.008	0.009	0.005	0.005
11/02/2025	1032.802	0.617	1.852	0.596	92.398	4.717	0.325	0.020	0.044	0.008	0.009	0.005	0.005
11/01/2025	1033.181	0.638	1.847	0.597	92.305	4.797	0.323	0.020	0.044	0.008	0.009	0.005	0.005
10/31/2025	1032.625	0.657	1.830	0.596	92.309	4.825	0.304	0.018	0.038	0.006	0.007	0.003	0.003
10/30/2025	1028.582	0.593	1.936	0.594	92.668	4.475	0.269	0.014	0.030	0.005	0.005	0.002	0.002
10/29/2025	1042.137	0.846	1.518	0.602	91.473	5.682	0.391	0.023	0.047	0.008	0.008	0.002	0.002
10/28/2025	1041.905	0.894	1.500	0.603	91.421	5.714	0.384	0.021	0.045	0.007	0.008	0.003	0.003
10/27/2025	1037.028	0.785	1.765	0.601	91.696	5.285	0.378	0.022	0.046	0.008	0.009	0.003	0.003
10/26/2025	1037.119	0.729	1.814	0.600	91.749	5.219	0.384	0.024	0.053	0.009	0.011	0.005	0.005
10/25/2025	1025.015	0.451	1.995	0.590	93.404	3.787	0.279	0.018	0.041	0.007	0.009	0.005	0.005
10/24/2025	1025.594	0.480	2.024	0.591	93.156	3.999	0.268	0.016	0.035	0.006	0.007	0.004	0.004
10/23/2025	1022.234	0.406	2.131	0.589	93.481	3.665	0.253	0.014	0.030	0.005	0.006	0.004	0.004
10/22/2025	1021.854	0.440	2.160	0.590	93.374	3.712	0.248	0.015	0.033	0.006	0.007	0.003	0.003
10/21/2025	1032.664	0.663	1.767	0.596	92.481	4.683	0.319	0.021	0.045	0.008	0.009	0.003	0.003
10/20/2025	1038.933	0.772	1.613	0.600	91.872	5.263	0.370	0.025	0.056	0.010	0.011	0.003	0.003
10/19/2025	1037.794	0.750	1.684	0.600	91.941	5.128	0.375	0.027	0.062	0.011	0.013	0.004	0.004
10/18/2025	1034.052	0.636	1.760	0.596	92.485	4.651	0.352	0.026	0.059	0.011	0.012	0.004	0.004
10/17/2025	1033.881	0.681	1.766	0.597	92.397	4.675	0.364	0.026	0.059	0.011	0.012	0.004	0.004
10/16/2025	1025.796	0.535	1.933	0.591	93.224	3.958	0.271	0.018	0.040	0.007	0.008	0.003	0.003
10/15/2025	1033.647	0.700	1.660	0.596	92.522	4.710	0.314	0.021	0.048	0.009	0.010	0.003	0.003
10/14/2025	1043.758	0.927	1.344	0.603	91.501	5.752	0.371	0.025	0.055	0.010	0.011	0.003	0.003
10/13/2025	1049.344	1.058	1.222	0.607	90.758	6.474	0.385	0.024	0.052	0.009	0.011	0.003	0.003
10/12/2025	1046.461	0.965	1.267	0.604	91.205	6.102	0.372	0.022	0.046	0.008	0.009	0.003	0.003
10/11/2025	1046.313	0.951	1.371	0.605	91.060	6.120	0.397	0.024	0.052	0.009	0.010	0.003	0.003
10/10/2025	1041.833	0.879	1.498	0.602	91.389	5.827	0.334	0.018	0.038	0.006	0.007	0.002	0.002
10/09/2025	1035.607	0.729	1.718	0.598	92.007	5.171	0.303	0.017	0.037	0.006	0.007	0.002	0.002
10/08/2025	1030.172	0.604	1.890	0.595	92.553	4.611	0.282	0.015	0.031	0.005	0.005	0.002	0.002
10/07/2025	1041.012	0.847	1.506	0.601	91.600	5.602	0.362	0.020	0.042	0.007	0.008	0.002	0.002
10/06/2025	1048.350	1.043	1.215	0.606	90.856	6.437	0.378	0.019	0.036	0.006	0.006	0.002	0.002
10/05/2025	1049.920	1.011	1.254	0.607	90.798	6.380	0.442	0.027	0.058	0.011	0.012	0.003	0.003
10/04/2025	1046.313	1.022	1.201	0.604	91.221	6.100	0.379	0.020	0.040	0.007	0.007	0.002	0.002
10/03/2025	1043.718	1.019	1.220	0.603	91.386	6.006	0.327	0.013	0.022	0.003	0.003	0.001	0.001
10/02/2025	1043.007	0.990	1.312	0.603	91.420	5.855	0.356	0.018	0.035	0.005	0.006	0.002	0.002
10/01/2025	1040.906	0.950	1.437	0.602	91.499	5.689	0.355	0.018	0.035	0.006	0.007	0.002	0.002
09/30/2025	1049.080	0.973	1.228	0.606	90.877	6.485	0.367	0.018	0.034	0.006	0.006	0.002	0.002
09/29/2025	1052.554	1.097	1.022	0.608	90.610	6.833	0.375	0.017	0.032	0.005	0.006	0.002	0.002
09/28/2025	1048.716	1.051	1.355	0.608	90.516	6.586	0.414	0.020	0.040	0.007	0.007	0.002	0.002
09/27/2025	1060.323	1.257	1.094	0.616	89.265	7.794	0.488	0.025	0.052	0.009	0.010	0.003	0.003
09/26/2025	1051.001	1.010	1.347	0.609	90.281	6.909	0.384	0.018	0.035	0.006	0.006	0.002	0.002
09/25/2025	1046.916	0.826	1.523	0.605	90.850	6.347	0.372	0.020	0.041	0.007	0.008	0.003	0.003
09/24/2025	1044.111	0.860	1.539	0.604	91.135	5.988	0.391	0.021	0.044	0.008	0.009	0.003	0.003
09/23/2025	1049.943	1.043	1.304	0.608	90.632	6.448	0.457	0.027	0.058	0.011	0.012	0.004	0.004
09/22/2025	1059.302	1.249	1.141	0.616	89.404	7.564	0.508	0.031	0.067	0.012	0.014	0.005	0.005
09/21/2025	1050.555	1.022	1.422	0.609	90.244	6.786	0.429	0.024	0.049	0.008	0.009	0.003	0.003
09/20/2025	1053.787	1.071	1.327	0.611	90.035	6.977	0.466	0.029	0.063	0.011	0.012	0.004	0.004
09/19/2025	1055.727	1.171	1.310	0.614	89.550	7.385	0.485	0.026	0.052	0.008	0.009	0.003	0.003
09/18/2025	1049.458	1.043	1.450	0.609	90.313	6.639	0.453	0.025	0.052	0.009	0.010	0.003	0.003
09/17/2025	1047.315	1.036	1.417	0.608	90.664	6.346	0.439	0.024	0.051	0.009	0.009	0.003	0.003
09/16/2025	1069.077	1.573	0.856	0.624	88.054	8.841	0.556	0.029	0.062	0.010	0.011	0.003	0.003
09/15/2025	1056.249	1.225	1.259	0.615	89.475	7.462	0.479	0.025	0.052	0.009	0.010	0.003	0.003
09/14/2025	1065.040	1.367	1.084	0.621	88.792	7.899	0.678	0.041	0.091	0.017	0.019	0.006	0.006
09/13/2025	1064.158	1.247	1.234	0.620	89.149	7.314	0.785	0.059	0.139	0.025	0.029	0.009	0.009
09/12/2025	1055.496	1.080	1.439	0.614	90.038	6.506	0.695	0.052	0.122	0.023	0.027	0.009	0.009
09/11/2025	1055.267	1.068	1.480	0.614	90.009	6.499	0.701	0.053	0.123	0.023	0.027	0.009	0.009
09/10/2025	1055.159	1.062	1.481	0.614	90.012	6.523	0.678	0.053	0.123	0.023	0.027	0.009	0.009
09/09/2025	1049.891	0.952	1.592	0.610	90.489	6.195	0.573	0.044	0.101	0.019	0.022	0.007	0.007