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Gas Quality / Gas Quality By Date

Date Requested: Jan 19 2026 6:52 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


01/19/2026	1036.699	0.585	2.010	0.600	91.577	5.360	0.416	0.017	0.029	0.003	0.003	0.001	0.001
01/18/2026	1033.573	0.511	2.033	0.597	91.975	5.131	0.308	0.013	0.023	0.003	0.002	0.001	0.001
01/17/2026	1035.261	0.515	2.003	0.598	91.863	5.227	0.345	0.014	0.026	0.003	0.002	0.001	0.001
01/16/2026	1019.869	0.261	2.335	0.587	93.485	3.710	0.179	0.008	0.016	0.002	0.002	0.001	0.001
01/15/2026	1021.217	0.309	2.314	0.589	93.279	3.863	0.202	0.009	0.018	0.002	0.002	0.001	0.001
01/14/2026	1032.490	0.585	2.148	0.599	91.745	5.119	0.346	0.016	0.030	0.004	0.004	0.001	0.001
01/13/2026	1030.349	0.527	2.173	0.597	92.075	4.847	0.327	0.015	0.028	0.004	0.004	0.001	0.001
01/12/2026	1022.666	0.323	2.309	0.590	93.078	4.042	0.217	0.009	0.017	0.002	0.002	0.001	0.001
01/11/2026	1022.625	0.314	2.367	0.590	92.945	4.153	0.190	0.009	0.017	0.002	0.002	0.001	0.001
01/10/2026	1022.792	0.312	2.317	0.590	93.043	4.104	0.196	0.008	0.016	0.002	0.002	0.000	0.000
01/09/2026	1023.793	0.306	2.335	0.590	92.958	4.124	0.232	0.012	0.024	0.004	0.004	0.001	0.001
01/08/2026	1025.126	0.314	2.330	0.591	92.721	4.397	0.206	0.009	0.016	0.002	0.002	0.001	0.001
01/07/2026	1025.333	0.366	2.286	0.592	92.706	4.378	0.229	0.010	0.019	0.002	0.002	0.001	0.001
01/06/2026	1024.919	0.348	2.351	0.592	92.650	4.389	0.224	0.011	0.021	0.003	0.003	0.001	0.001
01/05/2026	1021.633	0.313	2.363	0.590	93.093	4.005	0.192	0.009	0.018	0.003	0.003	0.001	0.001
01/04/2026	1021.988	0.354	2.361	0.590	92.982	4.050	0.221	0.010	0.018	0.002	0.002	0.001	0.001
01/03/2026	1021.986	0.341	2.310	0.590	93.114	3.993	0.211	0.009	0.016	0.002	0.002	0.000	0.000
01/02/2026	1016.516	0.281	2.503	0.587	93.494	3.508	0.184	0.009	0.016	0.002	0.002	0.001	0.001
01/01/2026	1021.560	0.368	2.232	0.589	93.317	3.821	0.229	0.010	0.018	0.003	0.002	0.001	0.001
12/31/2025	1043.578	0.732	1.844	0.605	90.737	6.212	0.418	0.017	0.030	0.004	0.004	0.001	0.001
12/30/2025	1031.056	0.448	2.163	0.596	92.164	4.866	0.310	0.014	0.027	0.003	0.003	0.001	0.001
12/29/2025	1030.344	0.455	2.098	0.595	92.378	4.719	0.304	0.013	0.025	0.003	0.003	0.001	0.001
12/28/2025	1028.771	0.421	2.228	0.594	92.349	4.665	0.290	0.013	0.025	0.003	0.003	0.001	0.001
12/27/2025	1030.190	0.482	2.193	0.596	92.141	4.810	0.327	0.014	0.026	0.003	0.003	0.001	0.001
12/26/2025	1028.744	0.479	2.174	0.595	92.330	4.685	0.292	0.012	0.022	0.003	0.003	0.001	0.001
12/25/2025	1030.928	0.511	2.109	0.596	92.157	4.861	0.316	0.013	0.025	0.003	0.003	0.001	0.001
12/24/2025	1038.909	0.644	2.046	0.602	91.106	5.712	0.430	0.019	0.034	0.004	0.004	0.001	0.001
12/23/2025	1039.186	0.686	2.032	0.603	90.992	5.806	0.427	0.017	0.031	0.003	0.003	0.001	0.001
12/22/2025	1043.823	0.675	1.967	0.605	90.620	6.210	0.459	0.020	0.037	0.004	0.004	0.001	0.001
12/21/2025	1023.441	0.400	2.342	0.592	92.794	4.152	0.271	0.012	0.022	0.003	0.002	0.001	0.001
12/20/2025	1022.452	0.351	2.312	0.590	93.078	3.978	0.242	0.011	0.021	0.003	0.003	0.001	0.001
12/19/2025	1040.804	0.667	1.956	0.603	90.992	5.905	0.424	0.017	0.031	0.003	0.003	0.001	0.001
12/18/2025	1036.237	0.620	1.983	0.600	91.577	5.397	0.368	0.016	0.029	0.004	0.003	0.001	0.001
12/17/2025	1032.377	0.562	2.161	0.598	91.819	5.031	0.362	0.018	0.034	0.005	0.005	0.001	0.001
12/16/2025	1049.053	0.859	1.868	0.611	89.859	6.791	0.536	0.025	0.047	0.006	0.006	0.001	0.001
12/15/2025	1038.572	0.653	2.103	0.603	91.030	5.707	0.432	0.021	0.041	0.005	0.005	0.001	0.001
12/14/2025	1042.011	0.688	2.022	0.605	90.724	6.019	0.472	0.022	0.041	0.005	0.005	0.001	0.001
12/13/2025	1026.877	0.491	2.279	0.595	92.384	4.454	0.334	0.016	0.031	0.004	0.004	0.001	0.001
12/12/2025	1023.569	0.421	2.356	0.592	92.775	4.077	0.313	0.015	0.030	0.004	0.005	0.001	0.001
12/11/2025	1028.159	0.503	2.326	0.596	92.142	4.595	0.359	0.020	0.040	0.006	0.006	0.001	0.001
12/10/2025	1038.960	0.714	2.146	0.605	90.799	5.792	0.462	0.024	0.048	0.007	0.007	0.002	0.002
12/09/2025	1044.490	0.790	2.030	0.608	90.277	6.264	0.532	0.029	0.057	0.008	0.008	0.002	0.002
12/08/2025	1042.932	0.791	2.029	0.607	90.458	6.084	0.549	0.026	0.048	0.006	0.006	0.001	0.001
12/07/2025	1041.420	0.678	2.079	0.605	90.843	5.731	0.565	0.029	0.057	0.007	0.007	0.002	0.002
12/06/2025	1023.336	0.360	2.559	0.593	92.545	4.133	0.324	0.020	0.042	0.007	0.008	0.002	0.002
12/05/2025	1028.601	0.420	2.477	0.597	91.959	4.701	0.352	0.022	0.047	0.008	0.009	0.002	0.002
12/04/2025	1021.836	0.379	2.482	0.592	92.793	3.997	0.289	0.016	0.032	0.005	0.005	0.001	0.001
12/03/2025	1013.226	0.285	2.419	0.584	94.149	2.905	0.203	0.011	0.021	0.003	0.003	0.001	0.001
12/02/2025	1035.923	0.705	2.057	0.602	91.417	5.259	0.481	0.024	0.044	0.006	0.005	0.001	0.001
12/01/2025	1014.812	0.280	2.604	0.587	93.591	3.235	0.232	0.015	0.031	0.005	0.005	0.001	0.001
11/30/2025	1005.887	0.178	2.779	0.582	94.430	2.447	0.136	0.008	0.016	0.003	0.002	0.001	0.001
11/29/2025	1010.750	0.230	2.705	0.585	93.943	2.873	0.206	0.011	0.023	0.003	0.003	0.001	0.001
11/28/2025	1016.941	0.314	2.578	0.589	93.303	3.504	0.246	0.014	0.029	0.004	0.004	0.001	0.001
11/27/2025	1009.608	0.206	2.630	0.583	94.248	2.729	0.156	0.008	0.017	0.002	0.003	0.001	0.001
11/26/2025	1014.524	0.292	2.518	0.586	93.767	3.149	0.229	0.012	0.025	0.003	0.003	0.001	0.001
11/25/2025	1036.959	0.702	2.064	0.602	91.253	5.437	0.466	0.023	0.043	0.005	0.005	0.001	0.001
11/24/2025	1028.818	0.554	2.256	0.597	92.116	4.611	0.399	0.018	0.036	0.004	0.004	0.001	0.001
11/23/2025	1030.616	0.531	2.298	0.598	91.887	4.781	0.429	0.021	0.041	0.005	0.005	0.001	0.001
11/22/2025	1028.657	0.459	2.405	0.597	92.025	4.645	0.390	0.020	0.042	0.005	0.006	0.001	0.001
11/21/2025	1024.583	0.361	2.449	0.593	92.683	4.046	0.382	0.021	0.044	0.006	0.006	0.001	0.001
11/20/2025	1019.258	0.283	2.391	0.588	93.497	3.531	0.249	0.013	0.026	0.004	0.004	0.001	0.001
11/19/2025	1033.645	0.585	2.079	0.599	91.818	5.059	0.398	0.018	0.034	0.004	0.004	0.001	0.001
11/18/2025	1005.398	0.094	2.705	0.579	94.783	2.308	0.095	0.004	0.008	0.001	0.001	0.000	0.000
11/17/2025	1003.345	0.077	2.792	0.579	94.882	2.142	0.092	0.003	0.007	0.001	0.001	0.000	0.000
11/16/2025	1017.553	0.315	2.437	0.588	93.502	3.474	0.234	0.011	0.022	0.003	0.003	0.001	0.001
11/15/2025	1025.012	0.423	2.367	0.593	92.568	4.261	0.326	0.016	0.030	0.004	0.004	0.001	0.001
11/14/2025	1012.733	0.194	2.613	0.585	93.930	3.058	0.167	0.010	0.020	0.003	0.003	0.001	0.001
11/13/2025	1017.315	0.290	2.500	0.588	93.503	3.401	0.247	0.015	0.032	0.005	0.005	0.001	0.001
11/12/2025	1015.840	0.242	2.538	0.587	93.710	3.215	0.233	0.015	0.033	0.005	0.006	0.001	0.001
11/11/2025	1012.924	0.208	2.547	0.584	94.059	2.960	0.180	0.012	0.025	0.004	0.004	0.001	0.001
11/10/2025	1013.259	0.254	2.514	0.585	94.006	2.978	0.202	0.012	0.025	0.004	0.004	0.001	0.001
11/09/2025	1018.059	0.304	2.402	0.588	93.619	3.354	0.256	0.017	0.036	0.005	0.005	0.001	0.001
11/08/2025	1019.918	0.338	2.373	0.589	93.356	3.608	0.269	0.016	0.031	0.004	0.004	0.001	0.001
11/07/2025	1031.150	0.491	2.134	0.596	92.209	4.735	0.367	0.019	0.036	0.004	0.004	0.001	0.001
11/06/2025	1017.609	0.257	2.364	0.586	93.759	3.378	0.206	0.010	0.019	0.003	0.002	0.001	0.001
11/05/2025	1010.378	0.161	2.531	0.582	94.466	2.661	0.156	0.007	0.013	0.002	0.002	0.000	0.000
11/04/2025	1010.576	0.186	2.516	0.582	94.426	2.686	0.158	0.008	0.015	0.002	0.002	0.000	0.000
11/03/2025	1018.051	0.276	2.399	0.587	93.656	3.362	0.261	0.013	0.026	0.003	0.003	0.001	0.001
11/02/2025	1019.235	0.306	2.307	0.587	93.607	3.500	0.245	0.011	0.019	0.002	0.002	0.000	0.000
11/01/2025	1017.401	0.249	2.339	0.586	93.882	3.273	0.221	0.010	0.020	0.003	0.002	0.001	0.001
10/31/2025	1016.292	0.260	2.449	0.586	93.713	3.348	0.199	0.009	0.017	0.002	0.002	0.000	0.000
10/30/2025	1014.809	0.241	2.461	0.585	93.912	3.163	0.193	0.008	0.016	0.002	0.002	0.000	0.000
10/29/2025	1013.682	0.226	2.502	0.585	93.993	3.063	0.187	0.008	0.016	0.002	0.002	0.000	0.000
10/28/2025	1022.010	0.367	2.321	0.590	93.107	3.891	0.274	0.012	0.022	0.003	0.002	0.000	0.000
10/27/2025	1035.589	0.653	2.011	0.600	91.602	5.245	0.419	0.021	0.038	0.005	0.004	0.001	0.001
10/26/2025	1026.189	0.505	2.206	0.594	92.555	4.373	0.322	0.013	0.022	0.002	0.002	0.000	0.000
10/25/2025	1030.370	0.556	2.190	0.597	91.981	4.867	0.362	0.014	0.025	0.002	0.002	0.000	0.000
10/24/2025	1033.516	0.620	2.095	0.599	91.680	5.172	0.381	0.015	0.029	0.003	0.003	0.001	0.001
10/23/2025	1019.158	0.358	2.352	0.589	93.343	3.704	0.214	0.008	0.016	0.002	0.002	0.000	0.000
10/22/2025	1020.460	0.347	2.345	0.589	93.267	3.757	0.248	0.010	0.020	0.003	0.003	0.001	0.001
10/21/2025	1012.549	0.221	2.466	0.583	94.249	2.834	0.200	0.009	0.017	0.002	0.002	0.000	0.000
10/20/2025	1006.659	0.161	2.631	0.580	94.699	2.344	0.140	0.007	0.013	0.002	0.002	0.000	0.000
10/19/2025	1008.460	0.190	2.521	0.581	94.648	2.481	0.137	0.006	0.012	0.002	0.002	0.000	0.000
10/18/2025	1007.912	0.166	2.434	0.579	94.949	2.315	0.118	0.005	0.010	0.002	0.001	0.000	0.000