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Gas Quality / Gas Quality By Date

Date Requested: Mar 11 2026 3:18 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


03/11/2026	1091.387	1.097	2.777	0.651	81.928	13.285	0.838	0.022	0.043	0.002	0.003	0.000	0.000	0.004
03/10/2026	1091.387	1.097	2.777	0.651	81.928	13.285	0.838	0.022	0.043	0.002	0.003	0.000	0.000	0.004
03/09/2026	1093.132	1.051	2.585	0.649	82.230	13.255	0.822	0.018	0.034	0.002	0.002	0.001	0.001	0.000
03/08/2026	1096.411	1.044	2.560	0.651	82.107	13.229	0.974	0.024	0.046	0.002	0.002	0.006	0.006	0.000
03/07/2026	1094.071	1.042	2.600	0.650	82.153	13.262	0.882	0.020	0.037	0.002	0.002	0.000	0.000	0.000
03/06/2026	1093.696	1.061	2.608	0.650	82.068	13.385	0.822	0.018	0.034	0.002	0.002	0.000	0.000	0.000
03/05/2026	1094.597	1.065	2.557	0.650	82.049	13.459	0.815	0.018	0.033	0.002	0.002	0.000	0.000	0.000
03/04/2026	1094.249	1.063	2.550	0.650	82.109	13.414	0.812	0.017	0.032	0.002	0.002	0.000	0.000	0.000
03/03/2026	1092.248	1.055	2.571	0.649	82.308	13.227	0.781	0.017	0.034	0.002	0.002	0.000	0.000	0.003
03/02/2026	1085.845	1.026	2.408	0.642	83.524	12.286	0.693	0.019	0.038	0.002	0.003	0.000	0.000	0.000
03/01/2026	1086.625	1.028	2.385	0.643	83.508	12.292	0.720	0.021	0.041	0.002	0.003	0.000	0.000	0.000
02/28/2026	1090.081	1.024	2.471	0.646	82.932	12.714	0.796	0.020	0.038	0.002	0.003	0.000	0.000	0.000
02/27/2026	1093.268	1.015	2.475	0.648	82.584	13.011	0.850	0.021	0.039	0.002	0.002	0.000	0.000	0.000
02/26/2026	1090.361	1.013	2.451	0.645	82.921	12.801	0.755	0.019	0.036	0.002	0.002	0.000	0.000	0.000
02/25/2026	1091.147	1.019	2.481	0.646	82.740	12.935	0.767	0.019	0.035	0.002	0.002	0.000	0.000	0.000
02/24/2026	1083.686	1.011	2.494	0.642	83.635	12.076	0.723	0.018	0.033	0.002	0.002	0.000	0.000	0.007
02/23/2026	1079.281	1.030	2.547	0.640	84.068	11.558	0.746	0.017	0.030	0.001	0.002	0.000	0.000	0.000
02/22/2026	1080.540	1.026	2.533	0.640	83.975	11.642	0.772	0.018	0.031	0.001	0.002	0.000	0.000	0.000
02/21/2026	1082.106	1.031	2.493	0.641	83.888	11.735	0.797	0.019	0.034	0.002	0.002	0.000	0.000	0.000
02/20/2026	1080.095	1.025	2.504	0.640	84.090	11.572	0.754	0.018	0.033	0.002	0.002	0.000	0.000	0.000
02/19/2026	1079.126	1.022	2.526	0.639	84.142	11.534	0.724	0.017	0.032	0.002	0.002	0.000	0.000	0.000
02/18/2026	1078.398	1.004	2.433	0.638	84.495	11.291	0.721	0.018	0.034	0.002	0.002	0.000	0.000	0.000
02/17/2026	1082.525	1.005	2.404	0.640	84.023	11.791	0.723	0.018	0.033	0.002	0.002	0.000	0.000	0.000
02/16/2026	1090.478	1.056	2.558	0.647	82.565	12.988	0.780	0.017	0.032	0.002	0.002	0.000	0.000	0.000
02/15/2026	1089.682	1.056	2.551	0.647	82.681	12.882	0.778	0.017	0.031	0.002	0.002	0.000	0.000	0.000
02/14/2026	1078.329	1.058	2.623	0.640	83.901	11.646	0.714	0.016	0.030	0.001	0.001	0.000	0.000	0.009
02/13/2026	1078.516	1.041	2.524	0.639	84.184	11.470	0.729	0.017	0.032	0.002	0.002	0.000	0.000	0.000
02/12/2026	1078.134	1.024	2.529	0.639	84.239	11.446	0.713	0.016	0.030	0.001	0.001	0.000	0.000	0.000
02/11/2026	1079.472	1.035	2.518	0.640	84.102	11.535	0.754	0.017	0.031	0.002	0.002	0.000	0.000	0.004
02/10/2026	1081.244	1.018	2.424	0.639	84.119	11.656	0.731	0.018	0.032	0.002	0.002	0.000	0.000	0.000
02/09/2026	1093.561	1.038	2.384	0.647	82.583	13.199	0.738	0.019	0.036	0.002	0.002	0.000	0.000	0.000
02/08/2026	1094.386	1.040	2.401	0.648	82.465	13.261	0.774	0.019	0.036	0.002	0.002	0.000	0.000	0.000
02/07/2026	1095.825	1.037	2.416	0.649	82.248	13.466	0.776	0.019	0.034	0.002	0.002	0.000	0.000	0.000
02/06/2026	1093.738	1.025	2.403	0.647	82.539	13.235	0.743	0.018	0.033	0.002	0.002	0.000	0.000	0.000
02/05/2026	1092.498	1.010	2.364	0.646	82.834	12.968	0.761	0.019	0.033	0.002	0.002	0.000	0.000	0.008
02/04/2026	1093.814	1.030	2.480	0.648	82.357	13.304	0.768	0.019	0.034	0.002	0.002	0.000	0.000	0.006
02/03/2026	1094.253	1.010	2.431	0.648	82.413	13.366	0.723	0.017	0.032	0.002	0.002	0.000	0.000	0.003
02/02/2026	1094.752	1.007	2.342	0.647	82.612	13.226	0.750	0.020	0.037	0.002	0.002	0.000	0.000	0.000
02/01/2026	1094.572	0.995	2.314	0.646	82.735	13.140	0.754	0.020	0.037	0.002	0.002	0.000	0.000	0.000
01/31/2026	1093.305	0.985	2.257	0.645	82.978	12.938	0.745	0.020	0.036	0.002	0.002	0.000	0.000	0.036
01/30/2026	1091.336	0.976	2.220	0.643	83.231	12.737	0.710	0.019	0.034	0.002	0.002	0.000	0.000	0.070
01/29/2026	1085.134	0.941	2.063	0.637	84.432	11.913	0.586	0.015	0.027	0.001	0.001	0.000	0.000	0.020
01/28/2026	1084.854	0.948	2.049	0.637	84.532	11.791	0.611	0.017	0.032	0.002	0.001	0.000	0.000	0.016
01/27/2026	1078.778	0.962	2.157	0.634	85.097	11.100	0.628	0.018	0.034	0.002	0.002	0.000	0.000	0.000
01/26/2026	1075.263	1.015	2.417	0.636	84.831	11.043	0.644	0.016	0.030	0.002	0.002	0.000	0.000	0.000
01/25/2026	1078.785	1.036	2.457	0.639	84.266	11.512	0.676	0.017	0.032	0.002	0.002	0.000	0.000	0.000
01/24/2026	1080.554	1.010	2.403	0.639	84.265	11.549	0.720	0.018	0.032	0.002	0.002	0.000	0.000	0.000
01/23/2026	1080.937	1.007	2.384	0.639	84.248	11.607	0.704	0.017	0.031	0.002	0.002	0.000	0.000	0.000
01/22/2026	1079.463	1.019	2.467	0.639	84.205	11.567	0.693	0.016	0.030	0.002	0.002	0.000	0.000	0.000
01/21/2026	1079.630	1.004	2.419	0.638	84.331	11.499	0.697	0.017	0.030	0.002	0.002	0.000	0.000	0.000
01/20/2026	1079.137	1.038	2.524	0.639	84.053	11.659	0.676	0.016	0.030	0.002	0.002	0.000	0.000	0.001
01/19/2026	1085.958	1.079	2.630	0.646	82.973	12.457	0.797	0.021	0.039	0.002	0.002	0.000	0.000	0.000
01/18/2026	1083.873	1.072	2.625	0.644	83.212	12.284	0.751	0.018	0.034	0.002	0.002	0.000	0.000	0.000
01/17/2026	1084.630	1.053	2.605	0.644	83.216	12.309	0.759	0.019	0.035	0.002	0.002	0.000	0.000	0.000
01/16/2026	1082.426	1.051	2.570	0.642	83.577	11.990	0.756	0.018	0.033	0.002	0.002	0.000	0.000	0.000
01/15/2026	1083.267	1.044	2.585	0.643	83.517	11.979	0.816	0.020	0.035	0.002	0.002	0.000	0.000	0.000
01/14/2026	1082.314	1.039	2.601	0.642	83.554	11.985	0.766	0.018	0.033	0.002	0.002	0.000	0.000	0.000
01/13/2026	1083.581	1.038	2.577	0.643	83.468	12.076	0.786	0.018	0.033	0.002	0.002	0.000	0.000	0.000
01/12/2026	1081.540	1.031	2.605	0.642	83.711	11.792	0.802	0.019	0.036	0.002	0.002	0.000	0.000	0.000
01/11/2026	1081.473	1.020	2.573	0.641	83.821	11.722	0.804	0.019	0.035	0.002	0.002	0.000	0.000	0.000
01/10/2026	1082.257	1.015	2.536	0.641	83.830	11.744	0.816	0.020	0.036	0.002	0.002	0.000	0.000	0.000
01/09/2026	1082.461	1.021	2.559	0.642	83.737	11.807	0.816	0.020	0.036	0.002	0.002	0.000	0.000	0.000
01/08/2026	1082.047	1.031	2.564	0.642	83.691	11.901	0.757	0.018	0.034	0.002	0.002	0.000	0.000	0.000
01/07/2026	1082.567	1.015	2.503	0.641	83.808	11.852	0.766	0.018	0.033	0.002	0.002	0.000	0.000	0.000
01/06/2026	1080.665	1.014	2.507	0.640	84.045	11.617	0.762	0.018	0.033	0.002	0.002	0.000	0.000	0.000
01/05/2026	1079.704	1.022	2.513	0.639	84.156	11.477	0.776	0.019	0.034	0.002	0.002	0.000	0.000	0.000
01/04/2026	1080.856	1.040	2.528	0.641	83.916	11.692	0.770	0.018	0.033	0.002	0.002	0.000	0.000	0.000
01/03/2026	1079.491	1.045	2.502	0.640	84.080	11.610	0.713	0.017	0.030	0.002	0.002	0.000	0.000	0.000
01/02/2026	1078.747	1.050	2.542	0.640	84.063	11.594	0.701	0.017	0.030	0.002	0.002	0.000	0.000	0.000
01/01/2026	1078.314	1.033	2.540	0.639	84.161	11.517	0.698	0.017	0.031	0.002	0.002	0.000	0.000	0.000
12/31/2025	1077.621	1.042	2.601	0.639	84.123	11.451	0.731	0.017	0.032	0.002	0.002	0.000	0.000	0.000
12/30/2025	1078.640	1.038	2.639	0.640	83.964	11.525	0.778	0.018	0.034	0.002	0.002	0.000	0.000	0.000
12/29/2025	1079.993	1.023	2.541	0.640	84.079	11.494	0.806	0.019	0.034	0.002	0.002	0.000	0.000	0.000
12/28/2025	1081.318	1.028	2.529	0.641	83.950	11.603	0.833	0.019	0.035	0.002	0.002	0.000	0.000	0.000
12/27/2025	1080.702	1.043	2.609	0.641	83.796	11.676	0.815	0.020	0.036	0.002	0.002	0.000	0.000	0.000
12/26/2025	1081.107	1.051	2.586	0.642	83.793	11.681	0.827	0.020	0.037	0.002	0.002	0.000	0.000	0.000
12/25/2025	1079.702	1.039	2.555	0.640	84.041	11.509	0.799	0.019	0.035	0.002	0.002	0.000	0.000	0.000
12/24/2025	1080.534	1.043	2.574	0.641	83.881	11.644	0.802	0.019	0.034	0.002	0.002	0.000	0.000	0.000
12/23/2025	1081.117	1.023	2.574	0.641	83.950	11.519	0.853	0.025	0.049	0.003	0.003	0.000	0.000	0.000
12/22/2025	1078.533	1.021	2.526	0.639	84.209	11.495	0.685	0.022	0.036	0.003	0.003	0.000	0.000	0.000
12/21/2025	1077.608	1.002	2.453	0.637	84.535	11.271	0.673	0.022	0.036	0.003	0.003	0.001	0.001	0.000
12/20/2025	1075.896	0.992	2.385	0.635	84.880	11.049	0.642	0.017	0.031	0.002	0.002	0.000	0.000	0.000
12/19/2025	1076.181	0.997	2.398	0.636	84.790	11.126	0.640	0.016	0.030	0.002	0.002	0.000	0.000	0.000
12/18/2025	1075.875	0.987	2.372	0.635	84.908	11.048	0.638	0.016	0.029	0.002	0.002	0.000	0.000	0.000
12/17/2025	1077.596	0.983	2.367	0.636	84.796	11.093	0.699	0.020	0.038	0.002	0.002	0.000	0.000	0.000
12/16/2025	1077.769	1.001	2.461	0.637	84.504	11.276	0.697	0.019	0.036	0.002	0.002	0.000	0.000	0.000
12/15/2025	1079.345	1.029	2.573	0.640	84.022	11.578	0.735	0.020	0.039	0.002	0.003	0.000	0.000	0.000
12/14/2025	1080.391	1.038	2.648	0.642	83.720	11.761	0.774	0.020	0.036	0.002	0.002	0.000	0.000	0.000
12/13/2025	1080.982	1.026	2.653	0.642	83.646	11.850	0.767	0.019	0.035	0.002	0.002	0.000	0.000	0.000
12/12/2025	1080.936	1.041	2.657	0.642	83.606	11.880	0.756	0.020	0.037	0.002	0.002	0.000	0.000	0.000
12/11/2025	1076.842	1.004	2.444	0.637	84.621	11.207	0.672	0.018	0.032	0.002	0.002	0.000	0.000	0.000
12/10/2025	1075.921	0.989	2.400	0.635	84.855	11.052	0.652	0.017	0.031	0.002	0.002	0.000	0.000	0.000
12/09/2025	1078.805	1.013	2.555	0.639	84.120	11.557	0.699	0.018	0.034	0.002	0.002	0.000	0.000	0.000
12/08/2025	1074.557	0.987	2.511	0.636	84.771	11.043	0.629	0.019	0.036	0.002	0.002	0.000	0.000	0.000