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Gas Quality / Gas Quality By Date

Date Requested: Oct 17 2025 9:33 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


10/17/2025	1014.960	0.238	2.271	0.583	94.449	2.751	0.230	0.017	0.032	0.006	0.005	0.001	0.001
10/16/2025	1014.960	0.238	2.271	0.583	94.449	2.751	0.230	0.017	0.032	0.006	0.005	0.001	0.001
10/15/2025	1015.882	0.203	2.329	0.584	94.276	2.899	0.228	0.018	0.033	0.006	0.005	0.001	0.001
10/14/2025	1015.618	0.201	2.304	0.583	94.379	2.824	0.227	0.018	0.033	0.006	0.005	0.001	0.001
10/13/2025	1010.259	0.107	2.500	0.580	94.755	2.421	0.162	0.015	0.028	0.006	0.005	0.001	0.001
10/12/2025	1010.268	0.107	2.517	0.581	94.715	2.449	0.155	0.015	0.029	0.006	0.005	0.001	0.001
10/11/2025	1009.470	0.151	2.426	0.580	94.901	2.324	0.146	0.014	0.025	0.005	0.004	0.001	0.001
10/10/2025	1010.714	0.148	2.447	0.581	94.767	2.393	0.180	0.016	0.032	0.007	0.006	0.002	0.002
10/09/2025	1011.362	0.160	2.607	0.583	94.259	2.735	0.186	0.014	0.026	0.005	0.005	0.001	0.001
10/08/2025	1010.589	0.176	3.056	0.588	93.358	3.095	0.256	0.016	0.029	0.006	0.005	0.002	0.002
10/07/2025	1007.932	0.144	3.057	0.585	93.729	2.796	0.220	0.015	0.026	0.006	0.004	0.001	0.001
10/06/2025	1012.324	0.222	3.103	0.590	92.973	3.341	0.296	0.018	0.033	0.006	0.006	0.002	0.002
10/05/2025	1020.003	0.271	2.854	0.593	92.591	3.809	0.379	0.024	0.048	0.009	0.009	0.003	0.003
10/04/2025	1016.199	0.264	2.752	0.589	93.176	3.446	0.304	0.017	0.029	0.005	0.005	0.001	0.001
10/03/2025	1014.508	0.165	2.660	0.586	93.877	2.931	0.288	0.019	0.040	0.008	0.008	0.002	0.002
10/02/2025	1010.168	0.119	2.637	0.582	94.448	2.550	0.191	0.014	0.027	0.006	0.005	0.001	0.001
10/01/2025	1008.868	0.144	2.709	0.582	94.383	2.523	0.191	0.014	0.025	0.005	0.004	0.001	0.001
09/30/2025	1011.946	0.178	2.959	0.588	93.429	3.091	0.285	0.016	0.029	0.006	0.005	0.001	0.001
09/29/2025	1011.349	0.165	3.006	0.587	93.408	3.101	0.262	0.016	0.029	0.006	0.005	0.001	0.001
09/28/2025	1014.122	0.171	3.101	0.590	92.906	3.420	0.335	0.017	0.032	0.007	0.007	0.002	0.002
09/27/2025	1015.669	0.168	2.948	0.590	93.046	3.448	0.327	0.017	0.031	0.007	0.006	0.001	0.001
09/26/2025	1015.507	0.194	3.013	0.591	92.869	3.520	0.342	0.017	0.030	0.006	0.006	0.001	0.001
09/25/2025	1016.900	0.207	2.637	0.588	93.521	3.237	0.337	0.016	0.029	0.006	0.005	0.002	0.002
09/24/2025	1016.224	0.134	2.389	0.583	94.275	2.884	0.261	0.016	0.028	0.006	0.005	0.001	0.001
09/23/2025	1015.301	0.096	2.602	0.585	94.020	2.946	0.268	0.018	0.034	0.007	0.006	0.002	0.002
09/22/2025	1013.005	0.102	2.897	0.586	93.621	3.038	0.276	0.017	0.032	0.007	0.006	0.002	0.002
09/21/2025	1012.473	0.108	2.787	0.585	93.881	2.922	0.243	0.015	0.029	0.006	0.005	0.001	0.001
09/20/2025	1013.078	0.114	2.521	0.583	94.394	2.690	0.218	0.016	0.031	0.007	0.006	0.002	0.002
09/19/2025	1016.591	0.100	2.765	0.587	93.490	3.279	0.301	0.017	0.032	0.007	0.006	0.002	0.002
09/18/2025	1020.155	0.251	2.498	0.589	93.293	3.588	0.305	0.018	0.032	0.006	0.005	0.001	0.001
09/17/2025	1020.677	0.259	2.477	0.589	93.296	3.568	0.326	0.020	0.038	0.007	0.006	0.001	0.001
09/16/2025	1023.471	0.250	2.442	0.591	92.999	3.926	0.325	0.016	0.030	0.005	0.004	0.001	0.001
09/15/2025	1019.142	0.242	2.457	0.588	93.501	3.466	0.277	0.016	0.030	0.005	0.004	0.001	0.001
09/14/2025	1020.152	0.257	2.250	0.586	93.883	3.237	0.291	0.022	0.043	0.007	0.007	0.002	0.002
09/13/2025	1019.488	0.276	2.496	0.589	93.430	3.358	0.348	0.025	0.048	0.008	0.007	0.002	0.002
09/12/2025	1018.120	0.259	2.603	0.589	93.395	3.303	0.356	0.023	0.044	0.008	0.007	0.002	0.002
09/11/2025	1012.354	0.134	2.719	0.585	93.965	2.914	0.212	0.014	0.027	0.006	0.005	0.002	0.002
09/10/2025	1013.983	0.152	2.832	0.587	93.648	2.979	0.277	0.022	0.055	0.012	0.013	0.005	0.005
09/09/2025	1006.440	0.173	2.968	0.584	94.035	2.576	0.198	0.013	0.023	0.006	0.005	0.002	0.002
09/08/2025	1007.816	0.150	3.081	0.586	93.682	2.814	0.219	0.014	0.026	0.006	0.005	0.002	0.002
09/07/2025	1013.317	0.130	2.802	0.586	93.694	3.083	0.223	0.017	0.034	0.007	0.006	0.002	0.002
09/06/2025	1010.186	0.160	2.738	0.584	94.151	2.677	0.216	0.014	0.027	0.006	0.006	0.002	0.002
09/05/2025	1008.014	0.154	2.718	0.582	94.440	2.452	0.188	0.012	0.022	0.005	0.004	0.002	0.002
09/04/2025	1010.432	0.156	2.475	0.581	94.696	2.435	0.187	0.013	0.025	0.006	0.005	0.002	0.002
09/03/2025	1011.474	0.139	2.387	0.581	94.815	2.416	0.183	0.015	0.028	0.006	0.006	0.002	0.002
09/02/2025	1013.461	0.110	2.270	0.580	94.884	2.508	0.167	0.015	0.028	0.007	0.006	0.002	0.002
09/01/2025	1011.996	0.098	2.474	0.581	94.631	2.559	0.182	0.014	0.027	0.006	0.005	0.002	0.002
08/31/2025	1015.090	0.098	2.381	0.582	94.485	2.760	0.216	0.015	0.029	0.006	0.005	0.002	0.002
08/30/2025	1014.272	0.099	2.348	0.581	94.626	2.686	0.185	0.014	0.027	0.006	0.005	0.002	0.002
08/29/2025	1013.194	0.121	2.236	0.580	94.957	2.458	0.177	0.013	0.024	0.005	0.004	0.001	0.001
08/28/2025	1015.990	0.189	2.360	0.584	94.266	2.841	0.289	0.016	0.028	0.005	0.004	0.001	0.001
08/27/2025	1011.248	0.127	2.425	0.581	94.776	2.424	0.201	0.013	0.024	0.005	0.004	0.001	0.001
08/26/2025	1010.735	0.099	2.587	0.582	94.571	2.469	0.216	0.015	0.029	0.006	0.005	0.002	0.002
08/25/2025	1009.710	0.147	2.540	0.581	94.662	2.413	0.185	0.013	0.025	0.006	0.005	0.002	0.002
08/24/2025	1009.251	0.200	2.470	0.581	94.753	2.342	0.186	0.013	0.024	0.005	0.005	0.002	0.002
08/23/2025	1014.971	0.273	2.346	0.584	94.191	2.901	0.231	0.015	0.028	0.006	0.005	0.002	0.002
08/22/2025	1017.383	0.293	2.227	0.585	94.135	3.035	0.245	0.016	0.031	0.006	0.006	0.002	0.002
08/21/2025	1016.816	0.332	2.250	0.586	94.064	3.044	0.248	0.016	0.031	0.006	0.005	0.002	0.002
08/20/2025	1009.083	0.341	2.354	0.582	94.754	2.294	0.198	0.014	0.028	0.006	0.006	0.003	0.003
08/19/2025	1013.010	0.249	2.491	0.584	94.185	2.769	0.247	0.016	0.029	0.006	0.005	0.002	0.002
08/18/2025	1013.740	0.274	2.467	0.585	94.105	2.829	0.265	0.016	0.030	0.006	0.005	0.002	0.002
08/17/2025	1014.442	0.274	2.439	0.585	94.089	2.872	0.260	0.017	0.032	0.007	0.006	0.002	0.002
08/16/2025	1009.210	0.173	2.434	0.580	94.881	2.309	0.150	0.012	0.025	0.006	0.006	0.002	0.002
08/15/2025	1013.033	0.189	2.297	0.581	94.673	2.624	0.166	0.013	0.024	0.006	0.005	0.002	0.002
08/14/2025	1011.307	0.259	2.174	0.580	94.991	2.395	0.129	0.012	0.024	0.006	0.006	0.002	0.002
08/13/2025	1013.753	0.208	2.158	0.581	94.857	2.571	0.149	0.014	0.026	0.007	0.006	0.002	0.002
08/12/2025	1012.375	0.160	2.325	0.581	94.764	2.534	0.165	0.013	0.024	0.006	0.005	0.002	0.002
08/11/2025	1010.968	0.140	2.535	0.582	94.479	2.639	0.167	0.010	0.019	0.004	0.004	0.002	0.002
08/10/2025	1012.460	0.136	2.593	0.583	94.211	2.805	0.212	0.011	0.020	0.005	0.004	0.002	0.002
08/09/2025	1017.868	0.128	2.389	0.584	94.021	3.185	0.233	0.012	0.021	0.005	0.004	0.001	0.001
08/08/2025	1015.114	0.205	2.124	0.581	94.770	2.671	0.185	0.012	0.021	0.005	0.004	0.002	0.002
08/07/2025	1018.809	0.121	2.159	0.582	94.604	2.743	0.283	0.022	0.042	0.010	0.009	0.003	0.003
08/06/2025	1015.658	0.099	1.940	0.578	95.389	2.349	0.162	0.015	0.028	0.007	0.006	0.002	0.002
08/05/2025	1019.163	0.186	2.029	0.582	94.664	2.787	0.251	0.020	0.040	0.009	0.008	0.003	0.003
08/04/2025	1024.960	0.333	1.909	0.587	93.957	3.375	0.328	0.024	0.049	0.010	0.009	0.004	0.004
08/03/2025	1021.414	0.371	1.864	0.585	94.356	3.051	0.271	0.021	0.042	0.009	0.008	0.003	0.003
08/02/2025	1023.143	0.410	2.128	0.590	93.525	3.490	0.349	0.025	0.049	0.009	0.008	0.003	0.003
08/01/2025	1018.761	0.326	2.189	0.586	94.008	3.143	0.258	0.019	0.037	0.008	0.007	0.003	0.003
07/31/2025	1016.696	0.265	2.307	0.585	94.121	2.985	0.251	0.018	0.035	0.007	0.006	0.002	0.002
07/30/2025	1016.290	0.262	2.276	0.584	94.208	2.975	0.213	0.017	0.032	0.007	0.006	0.002	0.002
07/29/2025	1017.660	0.281	2.327	0.586	93.868	3.239	0.224	0.016	0.030	0.006	0.005	0.002	0.002
07/28/2025	1017.363	0.219	2.391	0.586	93.955	3.098	0.273	0.016	0.031	0.007	0.006	0.002	0.002
07/27/2025	1022.037	0.355	2.567	0.593	92.811	3.760	0.424	0.022	0.043	0.007	0.007	0.002	0.002
07/26/2025	1020.671	0.320	2.650	0.592	92.851	3.717	0.368	0.024	0.048	0.009	0.008	0.003	0.003
07/25/2025	1019.759	0.314	2.544	0.590	93.100	3.672	0.305	0.019	0.034	0.006	0.005	0.002	0.002
07/24/2025	1015.700	0.305	2.562	0.588	93.458	3.407	0.236	0.010	0.017	0.002	0.002	0.000	0.000
07/23/2025	1011.059	0.206	2.810	0.586	93.688	3.051	0.218	0.008	0.015	0.002	0.002	0.000	0.000
07/22/2025	1008.094	0.142	2.961	0.584	93.793	2.925	0.164	0.005	0.007	0.001	0.001	0.000	0.000
07/21/2025	1010.273	0.183	2.912	0.586	93.594	3.071	0.219	0.007	0.010	0.001	0.001	0.000	0.000
07/20/2025	1012.656	0.268	2.769	0.587	93.433	3.279	0.227	0.007	0.012	0.002	0.002	0.000	0.000
07/19/2025	1012.370	0.258	2.730	0.587	93.608	3.139	0.232	0.010	0.018	0.002	0.002	0.000	0.000
07/18/2025	1012.958	0.270	2.795	0.588	93.356	3.314	0.237	0.009	0.015	0.002	0.002	0.001	0.001
07/17/2025	1022.974	0.323	2.756	0.595	92.502	3.782	0.500	0.039	0.078	0.009	0.008	0.002	0.002
07/16/2025	1022.097	0.456	2.064	0.589	93.573	3.557	0.276	0.019	0.037	0.007	0.006	0.002	0.002