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Gas Quality / Gas Quality By Date

Date Requested: Feb 03 2026 1:41 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


02/03/2026	1038.222	0.794	1.406	0.598	92.053	5.517	0.193	0.009	0.018	0.004	0.004	0.001	0.001
02/02/2026	1038.794	0.793	1.403	0.598	91.985	5.590	0.194	0.009	0.017	0.004	0.004	0.001	0.001
02/01/2026	1039.630	0.789	1.373	0.598	91.954	5.652	0.200	0.008	0.016	0.003	0.003	0.001	0.001
01/31/2026	1041.520	0.785	1.381	0.599	91.819	5.700	0.251	0.015	0.032	0.006	0.007	0.002	0.002
01/30/2026	1045.602	0.827	1.127	0.600	91.856	5.818	0.296	0.017	0.038	0.007	0.008	0.003	0.003
01/29/2026	1042.797	0.766	1.395	0.600	91.626	5.912	0.259	0.010	0.020	0.004	0.004	0.002	0.002
01/28/2026	1054.229	0.729	1.398	0.607	90.442	6.911	0.468	0.013	0.026	0.005	0.005	0.002	0.002
01/27/2026	1050.434	0.722	1.493	0.605	90.629	6.719	0.400	0.010	0.019	0.003	0.003	0.001	0.001
01/26/2026	1047.781	0.699	1.583	0.604	90.830	6.465	0.366	0.014	0.029	0.005	0.006	0.001	0.001
01/25/2026	1042.818	0.694	1.568	0.601	91.420	5.986	0.285	0.012	0.024	0.005	0.005	0.001	0.001
01/24/2026	1049.721	0.709	1.471	0.604	90.763	6.651	0.375	0.010	0.016	0.003	0.002	0.000	0.000
01/23/2026	1036.909	0.782	1.430	0.597	92.234	5.302	0.207	0.011	0.022	0.005	0.005	0.002	0.002
01/22/2026	1037.019	0.795	1.404	0.597	92.194	5.388	0.187	0.008	0.016	0.003	0.003	0.001	0.001
01/21/2026	1035.954	0.786	1.443	0.597	92.267	5.281	0.190	0.008	0.017	0.003	0.003	0.001	0.001
01/20/2026	1039.878	0.782	1.395	0.598	92.079	5.386	0.278	0.017	0.039	0.008	0.009	0.003	0.003
01/19/2026	1035.104	0.796	1.400	0.596	92.432	5.168	0.174	0.007	0.015	0.003	0.003	0.001	0.001
01/18/2026	1042.078	0.749	1.385	0.599	91.741	5.846	0.250	0.008	0.014	0.003	0.003	0.001	0.001
01/17/2026	1037.712	0.732	1.387	0.596	92.276	5.390	0.188	0.007	0.014	0.003	0.002	0.000	0.000
01/16/2026	1040.035	0.730	1.412	0.598	92.078	5.464	0.252	0.014	0.032	0.007	0.007	0.003	0.003
01/15/2026	1038.147	0.747	1.409	0.597	92.145	5.477	0.193	0.007	0.014	0.003	0.003	0.001	0.001
01/14/2026	1036.668	0.756	1.435	0.596	92.260	5.329	0.187	0.008	0.016	0.004	0.004	0.001	0.001
01/13/2026	1037.608	0.746	1.429	0.597	92.175	5.428	0.190	0.008	0.015	0.004	0.003	0.001	0.001
01/12/2026	1037.910	0.739	1.422	0.597	92.173	5.442	0.192	0.008	0.015	0.004	0.003	0.001	0.001
01/11/2026	1037.492	0.715	1.472	0.597	92.159	5.430	0.194	0.008	0.015	0.003	0.003	0.001	0.001
01/10/2026	1038.847	0.709	1.432	0.597	92.089	5.546	0.197	0.008	0.014	0.003	0.002	0.001	0.001
01/09/2026	1037.607	0.744	1.402	0.596	92.242	5.391	0.189	0.008	0.015	0.004	0.003	0.001	0.001
01/08/2026	1038.704	0.770	1.365	0.597	92.116	5.534	0.188	0.007	0.013	0.003	0.003	0.001	0.001
01/07/2026	1037.852	0.743	1.364	0.596	92.335	5.316	0.203	0.010	0.020	0.005	0.004	0.001	0.001
01/06/2026	1038.067	0.710	1.450	0.597	92.311	5.207	0.250	0.015	0.035	0.008	0.008	0.003	0.003
01/05/2026	1034.703	0.793	1.440	0.596	92.396	5.171	0.169	0.007	0.015	0.004	0.004	0.001	0.001
01/04/2026	1034.331	0.788	1.437	0.595	92.453	5.128	0.166	0.007	0.014	0.003	0.003	0.001	0.001
01/03/2026	1034.358	0.799	1.467	0.596	92.363	5.170	0.172	0.007	0.014	0.003	0.003	0.001	0.001
01/02/2026	1034.722	0.804	1.442	0.596	92.377	5.168	0.176	0.008	0.016	0.004	0.004	0.001	0.001
01/01/2026	1034.288	0.799	1.437	0.596	92.434	5.137	0.167	0.007	0.013	0.003	0.003	0.001	0.001
12/31/2025	1033.751	0.802	1.433	0.595	92.519	5.046	0.169	0.008	0.015	0.003	0.003	0.001	0.001
12/30/2025	1035.630	0.797	1.404	0.596	92.352	5.244	0.173	0.007	0.014	0.003	0.003	0.001	0.001
12/29/2025	1035.305	0.800	1.414	0.596	92.361	5.221	0.173	0.007	0.015	0.003	0.003	0.001	0.001
12/28/2025	1034.601	0.759	1.430	0.595	92.489	5.136	0.160	0.007	0.012	0.003	0.002	0.001	0.001
12/27/2025	1034.584	0.785	1.435	0.596	92.431	5.158	0.165	0.007	0.013	0.003	0.003	0.001	0.001
12/26/2025	1034.002	0.796	1.455	0.596	92.454	5.092	0.170	0.007	0.016	0.004	0.004	0.001	0.001
12/25/2025	1034.021	0.805	1.435	0.595	92.467	5.094	0.169	0.007	0.014	0.003	0.003	0.001	0.001
12/24/2025	1035.562	0.795	1.414	0.596	92.340	5.250	0.173	0.007	0.013	0.003	0.003	0.001	0.001
12/23/2025	1034.186	0.785	1.476	0.596	92.391	5.153	0.167	0.007	0.013	0.003	0.003	0.001	0.001
12/22/2025	1034.547	0.788	1.446	0.596	92.422	5.140	0.172	0.008	0.015	0.003	0.004	0.001	0.001
12/21/2025	1034.709	0.788	1.444	0.596	92.392	5.180	0.167	0.007	0.014	0.003	0.003	0.001	0.001
12/20/2025	1034.939	0.789	1.448	0.596	92.360	5.202	0.169	0.008	0.015	0.003	0.004	0.001	0.001
12/19/2025	1035.501	0.784	1.392	0.596	92.406	5.225	0.166	0.007	0.013	0.003	0.002	0.001	0.001
12/18/2025	1042.605	0.774	1.409	0.600	91.757	5.660	0.316	0.018	0.042	0.009	0.009	0.003	0.003
12/17/2025	1037.808	0.788	1.426	0.598	92.234	5.220	0.254	0.017	0.039	0.008	0.008	0.003	0.003
12/16/2025	1035.581	0.787	1.465	0.597	92.242	5.299	0.179	0.007	0.014	0.003	0.003	0.001	0.001
12/15/2025	1046.940	0.777	1.445	0.603	91.474	5.634	0.508	0.034	0.081	0.016	0.017	0.006	0.006
12/14/2025	1035.007	0.795	1.456	0.596	92.306	5.247	0.168	0.007	0.013	0.003	0.003	0.001	0.001
12/13/2025	1033.948	0.788	1.437	0.595	92.502	5.079	0.166	0.007	0.013	0.003	0.003	0.001	0.001
12/12/2025	1038.565	0.776	1.418	0.598	92.022	5.546	0.204	0.008	0.016	0.003	0.003	0.001	0.001
12/11/2025	1052.148	0.719	1.219	0.603	91.380	6.049	0.496	0.031	0.068	0.014	0.014	0.005	0.005
12/10/2025	1004.878	0.549	1.316	0.572	97.022	1.020	0.070	0.006	0.011	0.003	0.002	0.001	0.001
12/09/2025	1005.032	0.529	1.308	0.571	97.055	1.022	0.067	0.005	0.010	0.002	0.002	0.000	0.000
12/08/2025	1004.994	0.547	1.275	0.571	97.086	1.009	0.065	0.005	0.010	0.002	0.001	0.000	0.000
12/07/2025	1006.200	0.551	1.277	0.572	96.989	1.050	0.097	0.008	0.018	0.004	0.003	0.001	0.001
12/06/2025	1006.929	0.559	1.265	0.573	96.939	1.087	0.104	0.009	0.022	0.005	0.005	0.002	0.002
12/05/2025	1004.232	0.584	1.285	0.571	97.075	0.974	0.064	0.004	0.009	0.002	0.002	0.000	0.000
12/04/2025	1002.952	0.673	1.265	0.572	97.087	0.893	0.064	0.004	0.009	0.004	0.002	0.000	0.000
12/03/2025	1004.286	0.508	1.300	0.570	97.212	0.900	0.062	0.004	0.007	0.005	0.002	0.000	0.000
12/02/2025	1004.523	0.541	1.347	0.572	97.000	1.028	0.064	0.003	0.008	0.005	0.003	0.000	0.000
12/01/2025	1009.282	0.540	1.351	0.575	96.625	1.226	0.177	0.017	0.041	0.009	0.008	0.003	0.003
11/30/2025	1006.404	0.551	1.389	0.573	96.738	1.165	0.114	0.009	0.022	0.006	0.004	0.001	0.001
11/29/2025	1007.555	0.565	1.328	0.574	96.714	1.227	0.118	0.009	0.023	0.008	0.005	0.001	0.001
11/28/2025	1007.308	0.563	1.350	0.574	96.709	1.208	0.118	0.011	0.025	0.007	0.006	0.002	0.002
11/27/2025	1006.600	0.565	1.354	0.573	96.755	1.177	0.106	0.010	0.021	0.005	0.004	0.001	0.001
11/26/2025	1007.303	0.561	1.351	0.574	96.682	1.251	0.112	0.008	0.021	0.007	0.004	0.001	0.001
11/25/2025	1025.036	0.586	1.638	0.588	93.998	3.259	0.482	0.009	0.016	0.006	0.004	0.001	0.001
11/24/2025	1026.719	0.588	1.635	0.590	93.908	3.259	0.544	0.016	0.032	0.008	0.006	0.002	0.002
11/23/2025	1025.632	0.581	1.620	0.589	93.963	3.318	0.481	0.011	0.018	0.004	0.002	0.001	0.001
11/22/2025	1026.056	0.586	1.647	0.589	93.954	3.187	0.581	0.013	0.021	0.006	0.003	0.001	0.001
11/21/2025	1026.694	0.581	1.669	0.590	93.805	3.344	0.563	0.010	0.016	0.007	0.005	0.000	0.000
11/20/2025	1027.540	0.597	1.605	0.590	93.817	3.364	0.578	0.013	0.020	0.004	0.002	0.000	0.000
11/19/2025	1032.098	0.613	1.608	0.593	93.449	3.516	0.715	0.024	0.052	0.009	0.009	0.002	0.002
11/18/2025	1011.079	0.502	1.854	0.580	95.608	1.580	0.301	0.028	0.082	0.015	0.020	0.005	0.005
11/17/2025	1001.796	0.500	2.147	0.578	95.816	1.299	0.164	0.014	0.040	0.008	0.008	0.002	0.002
11/16/2025	1000.845	0.518	2.157	0.577	95.830	1.285	0.145	0.012	0.033	0.007	0.008	0.002	0.002
11/15/2025	1000.829	0.517	2.162	0.577	95.818	1.300	0.141	0.012	0.032	0.007	0.007	0.002	0.002
11/14/2025	1000.104	0.509	2.134	0.577	95.909	1.306	0.103	0.008	0.021	0.005	0.004	0.001	0.001
11/13/2025	1000.952	0.524	2.119	0.577	95.851	1.325	0.128	0.010	0.027	0.006	0.006	0.002	0.002
11/12/2025	1010.475	0.531	2.055	0.583	95.260	1.648	0.322	0.031	0.091	0.020	0.023	0.009	0.009
11/11/2025	1042.704	0.556	2.090	0.604	92.736	2.817	1.184	0.114	0.339	0.060	0.069	0.017	0.017
11/10/2025	1038.103	0.552	2.118	0.601	93.002	2.721	1.061	0.101	0.300	0.053	0.063	0.015	0.015
11/09/2025	1052.772	0.599	2.036	0.611	90.728	5.270	0.994	0.068	0.199	0.036	0.040	0.015	0.015
11/08/2025	1033.191	0.571	2.087	0.598	92.685	3.721	0.656	0.051	0.145	0.028	0.032	0.012	0.012
11/07/2025	1005.296	0.481	2.078	0.579	95.340	2.011	0.072	0.003	0.009	0.003	0.002	0.000	0.000
11/06/2025	1011.577	0.534	2.037	0.583	94.738	2.439	0.179	0.013	0.037	0.007	0.008	0.004	0.004
11/05/2025	1007.704	0.562	2.045	0.581	94.989	2.261	0.114	0.006	0.014	0.004	0.003	0.001	0.001
11/04/2025	1006.633	0.470	1.531	0.574	96.730	1.015	0.168	0.017	0.041	0.011	0.009	0.005	0.005
11/03/2025	1004.523	0.457	1.518	0.572	96.916	0.950	0.110	0.010	0.024	0.006	0.005	0.002	0.002
11/02/2025	1004.581	0.461	1.526	0.572	96.879	0.972	0.112	0.010	0.024	0.007	0.005	0.001	0.001