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Gas Quality / Gas Quality By Date

Date Requested: May 13 2026 12:41 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


05/13/2026	1034.735	0.587	1.769	0.596	92.547	4.538	0.462	0.026	0.049	0.007	0.008	0.004	0.004
05/12/2026	1034.735	0.587	1.769	0.596	92.547	4.538	0.462	0.026	0.049	0.007	0.008	0.004	0.004
05/11/2026	1034.950	0.592	1.880	0.597	92.292	4.652	0.475	0.028	0.054	0.009	0.010	0.004	0.004
05/10/2026	1035.191	0.566	1.951	0.598	92.156	4.744	0.475	0.027	0.053	0.008	0.010	0.005	0.005
05/09/2026	1033.470	0.529	1.976	0.596	92.361	4.591	0.439	0.025	0.050	0.008	0.010	0.005	0.005
05/08/2026	1027.638	0.457	2.140	0.593	92.827	4.092	0.394	0.023	0.043	0.007	0.008	0.004	0.004
05/07/2026	1026.006	0.440	2.202	0.593	92.966	3.902	0.387	0.026	0.051	0.009	0.010	0.004	0.004
05/06/2026	1064.146	1.180	0.946	0.616	89.924	6.943	0.740	0.061	0.134	0.025	0.028	0.009	0.009
05/05/2026	1067.155	1.238	0.649	0.615	90.181	6.876	0.757	0.066	0.151	0.028	0.033	0.010	0.010
05/04/2026	1063.149	1.103	0.712	0.611	90.809	6.353	0.742	0.064	0.142	0.026	0.030	0.009	0.009
05/03/2026	1068.979	1.253	0.578	0.616	90.128	6.942	0.786	0.070	0.158	0.029	0.034	0.010	0.010
05/02/2026	1058.171	1.058	0.931	0.610	90.884	6.237	0.644	0.055	0.124	0.023	0.027	0.009	0.009
05/01/2026	1050.637	0.925	1.291	0.607	91.103	5.943	0.557	0.040	0.089	0.016	0.020	0.008	0.008
04/30/2026	1048.567	0.874	1.380	0.605	91.221	5.826	0.535	0.036	0.080	0.015	0.018	0.007	0.007
04/29/2026	1048.209	0.880	1.404	0.605	91.170	5.868	0.518	0.036	0.079	0.015	0.018	0.007	0.007
04/28/2026	1047.826	0.903	1.381	0.605	91.228	5.799	0.531	0.036	0.078	0.015	0.018	0.006	0.006
04/27/2026	1045.865	0.831	1.436	0.603	91.489	5.581	0.510	0.034	0.076	0.014	0.016	0.006	0.006
04/26/2026	1046.008	0.887	1.413	0.604	91.402	5.624	0.518	0.036	0.078	0.014	0.016	0.005	0.005
04/25/2026	1044.605	0.904	1.456	0.604	91.413	5.573	0.508	0.034	0.073	0.013	0.015	0.005	0.005
04/24/2026	1043.904	0.878	1.466	0.603	91.499	5.534	0.485	0.032	0.068	0.012	0.014	0.005	0.005
04/23/2026	1040.094	0.762	1.670	0.601	91.757	5.209	0.476	0.029	0.062	0.011	0.013	0.005	0.005
04/22/2026	1040.784	0.818	1.547	0.601	91.795	5.276	0.436	0.029	0.063	0.012	0.013	0.005	0.005
04/21/2026	1034.918	0.690	1.767	0.598	92.235	4.813	0.395	0.024	0.049	0.009	0.010	0.004	0.004
04/20/2026	1035.661	0.687	1.798	0.599	92.104	4.877	0.432	0.026	0.053	0.008	0.009	0.003	0.003
04/19/2026	1040.616	0.754	1.607	0.601	91.826	5.235	0.452	0.030	0.063	0.011	0.013	0.004	0.004
04/18/2026	1032.852	0.610	1.962	0.597	92.291	4.610	0.411	0.028	0.055	0.011	0.012	0.005	0.005
04/17/2026	1022.182	0.405	2.218	0.590	93.323	3.702	0.283	0.017	0.033	0.006	0.007	0.003	0.003
04/16/2026	1019.749	0.351	2.268	0.588	93.652	3.397	0.257	0.015	0.032	0.007	0.009	0.006	0.006
04/15/2026	1035.381	0.678	1.727	0.597	92.310	4.801	0.371	0.025	0.054	0.011	0.013	0.006	0.006
04/14/2026	1035.670	0.684	1.702	0.597	92.331	4.794	0.374	0.024	0.052	0.010	0.013	0.008	0.008
04/13/2026	1033.780	0.645	1.774	0.596	92.516	4.582	0.357	0.026	0.057	0.012	0.015	0.009	0.009
04/12/2026	1031.916	0.604	1.817	0.595	92.665	4.486	0.324	0.021	0.046	0.009	0.012	0.008	0.008
04/11/2026	1031.761	0.613	1.809	0.595	92.675	4.471	0.331	0.021	0.046	0.009	0.011	0.007	0.007
04/10/2026	1037.869	0.777	1.583	0.599	92.099	5.048	0.383	0.025	0.052	0.010	0.012	0.006	0.006
04/09/2026	1026.391	0.527	1.900	0.591	93.264	3.950	0.280	0.017	0.035	0.007	0.009	0.006	0.006
04/08/2026	1025.672	0.483	2.022	0.591	93.148	3.993	0.286	0.016	0.032	0.006	0.007	0.004	0.004
04/07/2026	1018.102	0.283	2.357	0.587	93.765	3.290	0.245	0.013	0.026	0.005	0.007	0.005	0.005
04/06/2026	1019.078	0.280	2.338	0.587	93.713	3.350	0.257	0.013	0.025	0.005	0.007	0.006	0.006
04/05/2026	1021.093	0.299	2.350	0.589	93.466	3.527	0.272	0.015	0.033	0.007	0.011	0.010	0.010
04/04/2026	1028.069	0.517	1.943	0.592	93.047	4.074	0.326	0.021	0.042	0.008	0.010	0.006	0.006
04/03/2026	1008.927	0.149	2.512	0.580	94.756	2.387	0.164	0.008	0.015	0.003	0.003	0.001	0.001
04/02/2026	1011.852	0.286	2.360	0.583	94.416	2.748	0.152	0.009	0.018	0.004	0.004	0.002	0.002
04/01/2026	1028.547	0.585	1.809	0.592	93.116	4.090	0.308	0.020	0.041	0.009	0.010	0.006	0.006
03/31/2026	1021.421	0.345	2.221	0.588	93.552	3.554	0.257	0.015	0.029	0.006	0.008	0.006	0.006
03/30/2026	1018.654	0.276	2.403	0.587	93.657	3.331	0.255	0.018	0.032	0.007	0.009	0.006	0.006
03/29/2026	1017.852	0.317	2.279	0.586	93.855	3.271	0.225	0.013	0.023	0.005	0.006	0.003	0.003
03/28/2026	1021.057	0.402	2.042	0.587	93.760	3.540	0.213	0.011	0.020	0.004	0.004	0.002	0.002
03/27/2026	1022.454	0.392	2.127	0.589	93.503	3.652	0.265	0.015	0.027	0.006	0.007	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