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Gas Quality / Gas Quality By Date

Date Requested: Mar 27 2026 3:30 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


03/27/2026	1018.759	0.344	2.216	0.587	93.840	3.312	0.233	0.012	0.025	0.005	0.006	0.004	0.004
03/26/2026	1018.759	0.344	2.216	0.587	93.840	3.312	0.233	0.012	0.025	0.005	0.006	0.004	0.004
03/25/2026	1013.360	0.229	2.376	0.583	94.339	2.838	0.180	0.010	0.017	0.004	0.004	0.002	0.002
03/24/2026	1017.855	0.314	2.324	0.587	93.764	3.292	0.263	0.012	0.021	0.003	0.003	0.001	0.001
03/23/2026	1020.751	0.387	2.175	0.588	93.606	3.496	0.286	0.014	0.025	0.004	0.004	0.002	0.002
03/22/2026	1016.126	0.295	2.391	0.586	93.869	3.164	0.234	0.012	0.021	0.004	0.004	0.003	0.003
03/21/2026	1016.350	0.298	2.309	0.585	94.042	3.085	0.204	0.012	0.025	0.005	0.007	0.006	0.006
03/20/2026	1021.637	0.400	2.114	0.588	93.644	3.508	0.261	0.015	0.031	0.006	0.008	0.006	0.006
03/19/2026	1022.704	0.424	2.107	0.589	93.466	3.670	0.263	0.015	0.031	0.006	0.008	0.005	0.005
03/18/2026	1022.443	0.429	1.983	0.588	93.736	3.537	0.253	0.015	0.029	0.005	0.006	0.003	0.003
03/17/2026	1032.701	0.656	1.525	0.593	93.102	4.278	0.345	0.022	0.044	0.008	0.010	0.005	0.005
03/16/2026	1028.611	0.550	1.760	0.591	93.311	3.963	0.328	0.020	0.040	0.008	0.010	0.005	0.005
03/15/2026	1024.836	0.442	1.976	0.590	93.486	3.736	0.282	0.017	0.035	0.007	0.009	0.005	0.005
03/14/2026	1024.682	0.427	2.020	0.590	93.418	3.777	0.288	0.016	0.032	0.006	0.007	0.004	0.004
03/13/2026	1023.491	0.463	1.971	0.589	93.570	3.662	0.266	0.016	0.031	0.006	0.007	0.003	0.003
03/12/2026	1027.602	0.542	1.753	0.591	93.461	3.832	0.325	0.020	0.041	0.008	0.009	0.004	0.004
03/11/2026	1035.595	0.743	1.374	0.595	92.932	4.470	0.374	0.025	0.051	0.010	0.012	0.005	0.005
03/10/2026	1024.981	0.507	1.776	0.589	93.737	3.634	0.278	0.017	0.033	0.006	0.007	0.002	0.002
03/09/2026	1028.158	0.591	1.729	0.591	93.293	4.002	0.309	0.019	0.037	0.007	0.008	0.003	0.003
03/08/2026	1030.493	0.603	1.614	0.592	93.274	4.091	0.332	0.021	0.040	0.008	0.009	0.004	0.004
03/07/2026	1031.931	0.628	1.636	0.593	93.022	4.261	0.359	0.024	0.043	0.008	0.009	0.004	0.004
03/06/2026	1029.924	0.582	1.753	0.593	93.069	4.182	0.329	0.021	0.041	0.008	0.009	0.004	0.004
03/05/2026	1036.130	0.661	1.604	0.596	92.495	4.756	0.393	0.023	0.045	0.007	0.008	0.003	0.003
03/04/2026	1034.604	0.668	1.480	0.594	92.824	4.649	0.315	0.017	0.032	0.005	0.006	0.002	0.002
03/03/2026	1034.369	0.604	1.675	0.595	92.624	4.653	0.370	0.021	0.037	0.006	0.006	0.002	0.002
03/02/2026	1039.376	0.664	1.491	0.597	92.318	5.033	0.417	0.023	0.038	0.006	0.006	0.003	0.003
03/01/2026	1043.222	0.734	1.300	0.599	92.167	5.271	0.429	0.026	0.048	0.008	0.009	0.004	0.004
02/28/2026	1040.733	0.711	1.438	0.598	92.204	5.133	0.419	0.025	0.045	0.008	0.008	0.004	0.004
02/27/2026	1032.753	0.547	1.779	0.594	92.734	4.498	0.364	0.021	0.038	0.006	0.007	0.003	0.003
02/26/2026	1028.584	0.501	1.843	0.591	93.150	4.137	0.307	0.016	0.030	0.005	0.005	0.004	0.004
02/25/2026	1029.502	0.512	1.842	0.592	93.021	4.245	0.314	0.017	0.030	0.005	0.006	0.004	0.004
02/24/2026	1030.188	0.541	1.848	0.593	92.864	4.349	0.333	0.018	0.031	0.005	0.005	0.003	0.003
02/23/2026	1034.871	0.631	1.791	0.597	92.245	4.871	0.389	0.020	0.035	0.006	0.006	0.003	0.003
02/22/2026	1029.545	0.549	1.957	0.594	92.670	4.430	0.330	0.018	0.031	0.005	0.006	0.003	0.003
02/21/2026	1028.352	0.502	1.984	0.593	92.876	4.242	0.328	0.018	0.033	0.006	0.006	0.003	0.003
02/20/2026	1033.034	0.591	1.742	0.595	92.672	4.568	0.350	0.021	0.036	0.007	0.007	0.003	0.003
02/19/2026	1031.544	0.543	1.788	0.593	92.822	4.452	0.325	0.019	0.033	0.006	0.006	0.003	0.003
02/18/2026	1033.613	0.570	1.728	0.595	92.625	4.680	0.331	0.018	0.031	0.005	0.005	0.003	0.003
02/17/2026	1032.203	0.578	1.852	0.595	92.550	4.587	0.362	0.020	0.035	0.006	0.006	0.003	0.003
02/16/2026	1034.205	0.610	1.761	0.596	92.438	4.744	0.373	0.021	0.036	0.006	0.006	0.003	0.003
02/15/2026	1030.431	0.511	1.877	0.593	92.833	4.380	0.334	0.018	0.032	0.005	0.005	0.003	0.003
02/14/2026	1027.811	0.463	1.971	0.592	93.030	4.169	0.307	0.016	0.029	0.005	0.005	0.003	0.003
02/13/2026	1033.771	0.571	1.814	0.596	92.458	4.705	0.385	0.020	0.034	0.005	0.005	0.002	0.002
02/12/2026	1043.726	0.705	1.571	0.602	91.636	5.441	0.552	0.028	0.048	0.006	0.006	0.003	0.003
02/11/2026	1043.075	0.697	1.676	0.602	91.486	5.503	0.544	0.027	0.046	0.006	0.006	0.003	0.003
02/10/2026	1035.814	0.594	1.830	0.597	92.163	4.910	0.424	0.023	0.040	0.005	0.005	0.003	0.003
02/09/2026	1036.635	0.641	1.751	0.598	92.070	5.085	0.385	0.020	0.034	0.005	0.005	0.002	0.002
02/08/2026	1049.266	0.844	1.456	0.606	90.796	6.318	0.500	0.024	0.042	0.007	0.007	0.003	0.003
02/07/2026	1039.732	0.706	1.622	0.600	91.816	5.410	0.378	0.018	0.031	0.005	0.006	0.004	0.004
02/06/2026	1033.891	0.572	1.911	0.597	92.187	4.921	0.340	0.017	0.030	0.006	0.006	0.005	0.005
02/05/2026	1035.166	0.583	1.907	0.598	92.019	5.068	0.354	0.017	0.031	0.005	0.006	0.005	0.005
02/04/2026	1038.575	0.643	1.819	0.600	91.687	5.378	0.401	0.020	0.033	0.006	0.006	0.004	0.004
02/03/2026	1044.221	0.734	1.715	0.604	91.091	5.884	0.494	0.025	0.039	0.006	0.006	0.003	0.003
02/02/2026	1042.349	0.651	1.812	0.602	91.293	5.691	0.468	0.025	0.039	0.007	0.007	0.005	0.005
02/01/2026	1054.829	0.699	1.926	0.612	89.460	7.212	0.596	0.033	0.048	0.008	0.008	0.005	0.005
01/31/2026	1050.818	0.632	1.997	0.609	89.881	6.877	0.513	0.028	0.045	0.008	0.008	0.005	0.005
01/30/2026	1037.398	0.476	1.939	0.598	92.015	5.065	0.414	0.025	0.040	0.008	0.008	0.006	0.006
01/29/2026	1025.962	0.373	2.150	0.591	93.089	4.026	0.291	0.019	0.029	0.006	0.006	0.005	0.005
01/28/2026	1023.697	0.361	2.026	0.588	93.603	3.720	0.235	0.013	0.022	0.005	0.005	0.005	0.005
01/27/2026	1030.781	0.509	1.952	0.594	92.607	4.554	0.315	0.015	0.028	0.005	0.006	0.004	0.004
01/26/2026	1033.533	0.568	1.922	0.597	92.210	4.894	0.340	0.016	0.030	0.005	0.006	0.004	0.004
01/25/2026	1036.678	0.618	1.904	0.599	91.686	5.403	0.335	0.014	0.025	0.004	0.004	0.003	0.003
01/24/2026	1056.984	0.885	1.780	0.615	88.838	7.971	0.471	0.016	0.028	0.003	0.004	0.002	0.002
01/23/2026	1029.998	0.503	1.943	0.593	92.673	4.546	0.287	0.012	0.021	0.004	0.004	0.003	0.003
01/22/2026	1029.117	0.467	2.001	0.593	92.776	4.388	0.317	0.014	0.024	0.004	0.004	0.003	0.003
01/21/2026	1039.608	0.629	1.876	0.601	91.339	5.758	0.351	0.013	0.023	0.003	0.003	0.002	0.002
01/20/2026	1044.814	0.695	2.026	0.607	90.209	6.621	0.402	0.014	0.024	0.003	0.003	0.001	0.001
01/19/2026	1026.417	0.448	2.011	0.591	93.075	4.149	0.275	0.012	0.020	0.003	0.003	0.001	0.001
01/18/2026	1044.633	0.736	1.922	0.606	90.356	6.558	0.382	0.014	0.023	0.003	0.003	0.001	0.001
01/17/2026	1023.697	0.433	2.019	0.589	93.409	3.857	0.242	0.012	0.019	0.003	0.003	0.001	0.001
01/16/2026	1030.120	0.566	1.737	0.592	92.960	4.424	0.269	0.013	0.021	0.004	0.004	0.002	0.002
01/15/2026	1038.764	0.737	1.389	0.597	92.349	5.128	0.336	0.017	0.030	0.005	0.005	0.002	0.002
01/14/2026	1035.692	0.681	1.486	0.595	92.599	4.884	0.295	0.015	0.026	0.005	0.005	0.002	0.002
01/13/2026	1027.758	0.512	1.811	0.591	93.204	4.175	0.251	0.013	0.022	0.004	0.004	0.002	0.002
01/12/2026	1030.596	0.528	1.751	0.592	92.995	4.383	0.289	0.015	0.026	0.005	0.005	0.002	0.002
01/11/2026	1036.174	0.643	1.599	0.596	92.429	4.927	0.338	0.017	0.030	0.006	0.006	0.003	0.003
01/10/2026	1033.518	0.603	1.625	0.594	92.742	4.677	0.302	0.015	0.026	0.004	0.004	0.002	0.002
01/09/2026	1037.252	0.664	1.573	0.597	92.300	5.054	0.349	0.017	0.029	0.005	0.005	0.002	0.002
01/08/2026	1035.645	0.643	1.645	0.596	92.408	4.888	0.347	0.019	0.034	0.006	0.006	0.002	0.002
01/07/2026	1034.605	0.620	1.636	0.595	92.578	4.780	0.324	0.017	0.030	0.005	0.005	0.002	0.002
01/06/2026	1035.984	0.653	1.609	0.596	92.430	4.886	0.353	0.018	0.033	0.006	0.006	0.003	0.003
01/05/2026	1031.322	0.606	1.839	0.595	92.545	4.637	0.319	0.015	0.026	0.004	0.005	0.002	0.002
01/04/2026	1028.755	0.570	2.031	0.595	92.498	4.538	0.311	0.014	0.025	0.004	0.004	0.002	0.002
01/03/2026	1035.729	0.620	1.865	0.598	91.929	5.167	0.358	0.017	0.030	0.005	0.005	0.002	0.002
01/02/2026	1039.109	0.690	1.736	0.600	91.675	5.441	0.388	0.019	0.035	0.005	0.005	0.002	0.002
01/01/2026	1040.054	0.668	1.836	0.601	91.442	5.537	0.439	0.022	0.039	0.006	0.006	0.003	0.003
12/31/2025	1031.092	0.519	2.028	0.595	92.361	4.694	0.341	0.016	0.029	0.004	0.004	0.002	0.002
12/30/2025	1037.295	0.641	1.860	0.599	91.734	5.305	0.395	0.019	0.033	0.005	0.005	0.002	0.002
12/29/2025	1041.467	0.739	1.773	0.603	91.231	5.740	0.445	0.021	0.035	0.006	0.006	0.002	0.002
12/28/2025	1036.596	0.651	1.865	0.599	91.770	5.269	0.382	0.018	0.031	0.005	0.005	0.002	0.002
12/27/2025	1038.795	0.696	1.722	0.600	91.749	5.369	0.392	0.020	0.036	0.006	0.006	0.002	0.002
12/26/2025	1038.450	0.712	1.793	0.601	91.623	5.373	0.427	0.021	0.037	0.005	0.006	0.002	0.002
12/25/2025	1039.203	0.697	1.850	0.601	91.431	5.525	0.424	0.020	0.037	0.006	0.006	0.003	0.003
12/24/2025	1045.949	0.821	1.727	0.606	90.661	6.194	0.508	0.025	0.045	0.007	0.007	0.003	0.003