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Gas Quality / Gas Quality By Date

Date Requested: Feb 28 2026 7:57 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


02/28/2026	1045.174	0.776	1.426	0.602	91.576	5.647	0.470	0.027	0.052	0.009	0.009
02/27/2026	1045.174	0.776	1.426	0.602	91.576	5.647	0.470	0.027	0.052	0.009	0.009
02/26/2026	1038.440	0.661	1.680	0.599	92.044	5.090	0.441	0.023	0.042	0.006	0.006
02/25/2026	1038.239	0.702	1.594	0.598	92.134	5.086	0.405	0.021	0.038	0.006	0.006
02/24/2026	1038.818	0.688	1.664	0.599	91.944	5.204	0.420	0.022	0.040	0.006	0.006
02/23/2026	1037.253	0.671	1.685	0.598	92.097	5.076	0.398	0.020	0.036	0.005	0.005
02/22/2026	1042.803	0.784	1.638	0.603	91.313	5.714	0.467	0.024	0.042	0.006	0.006
02/21/2026	1040.410	0.749	1.699	0.601	91.539	5.487	0.442	0.023	0.042	0.006	0.006
02/20/2026	1036.808	0.672	1.817	0.599	91.919	5.064	0.441	0.024	0.043	0.007	0.007
02/19/2026	1039.984	0.730	1.582	0.600	91.920	5.243	0.437	0.025	0.044	0.007	0.007
02/18/2026	1044.687	0.786	1.261	0.600	91.835	5.659	0.384	0.021	0.038	0.006	0.006
02/17/2026	1039.099	0.696	1.568	0.598	92.098	5.151	0.405	0.022	0.040	0.006	0.006
02/16/2026	1037.937	0.696	1.826	0.600	91.735	5.189	0.459	0.026	0.046	0.008	0.008
02/15/2026	1042.267	0.755	1.680	0.603	91.417	5.550	0.499	0.027	0.049	0.007	0.007
02/14/2026	1041.507	0.722	1.705	0.602	91.520	5.461	0.500	0.026	0.046	0.007	0.006
02/13/2026	1040.209	0.715	1.619	0.600	91.794	5.367	0.430	0.021	0.038	0.005	0.005
02/12/2026	1047.732	0.819	1.453	0.605	91.116	5.972	0.548	0.027	0.047	0.006	0.006
02/11/2026	1054.608	0.894	1.360	0.609	90.475	6.439	0.716	0.035	0.060	0.007	0.007
02/10/2026	1058.290	0.994	1.316	0.613	89.836	7.059	0.682	0.034	0.058	0.007	0.007
02/09/2026	1050.537	0.854	1.412	0.607	90.821	6.229	0.579	0.031	0.056	0.007	0.006
02/08/2026	1053.277	0.956	1.285	0.609	90.423	6.727	0.527	0.024	0.041	0.006	0.006
02/07/2026	1055.686	0.961	1.336	0.611	90.037	7.021	0.551	0.026	0.046	0.007	0.007
02/06/2026	1039.903	0.723	1.676	0.600	91.631	5.528	0.375	0.017	0.031	0.005	0.006
02/05/2026	1051.300	0.847	1.492	0.608	90.417	6.679	0.482	0.022	0.039	0.006	0.006
02/04/2026	1052.663	0.869	1.501	0.609	90.194	6.850	0.505	0.023	0.039	0.006	0.006
02/03/2026	1057.669	0.952	1.446	0.613	89.618	7.266	0.619	0.031	0.047	0.007	0.006
02/02/2026	1057.411	0.924	1.440	0.612	89.711	7.224	0.607	0.029	0.045	0.007	0.006
02/01/2026	1060.747	0.919	1.477	0.615	89.369	7.400	0.711	0.039	0.056	0.009	0.008
01/31/2026	1060.102	0.816	1.475	0.613	89.757	7.082	0.727	0.046	0.064	0.011	0.009
01/30/2026	1051.057	0.662	1.954	0.610	90.153	6.429	0.636	0.046	0.074	0.015	0.015
01/29/2026	1042.549	0.614	1.770	0.601	91.456	5.607	0.456	0.029	0.044	0.008	0.007
01/28/2026	1025.442	0.407	2.104	0.591	93.135	4.025	0.263	0.020	0.027	0.006	0.006
01/27/2026	1023.899	0.414	2.034	0.589	93.387	3.894	0.230	0.010	0.019	0.003	0.004
01/26/2026	1050.551	0.847	1.499	0.607	90.466	6.640	0.476	0.020	0.036	0.005	0.005
01/25/2026	1050.500	0.880	1.481	0.608	90.430	6.671	0.464	0.020	0.036	0.005	0.005
01/24/2026	1040.715	0.712	1.637	0.600	91.595	5.630	0.372	0.015	0.026	0.004	0.004
01/23/2026	1042.995	0.762	1.292	0.599	91.955	5.605	0.326	0.015	0.029	0.005	0.005
01/22/2026	1040.149	0.715	1.473	0.598	92.035	5.376	0.344	0.015	0.028	0.004	0.005
01/21/2026	1040.650	0.674	1.736	0.601	91.563	5.519	0.438	0.019	0.034	0.005	0.005
01/20/2026	1042.021	0.765	1.475	0.600	91.673	5.668	0.364	0.016	0.027	0.004	0.004
01/19/2026	1037.981	0.666	1.779	0.599	91.784	5.309	0.396	0.019	0.033	0.005	0.005
01/18/2026	1036.734	0.669	1.755	0.598	91.940	5.212	0.368	0.016	0.028	0.004	0.004
01/17/2026	1033.532	0.636	1.740	0.596	92.413	4.837	0.323	0.015	0.025	0.004	0.004
01/16/2026	1034.115	0.650	1.726	0.596	92.346	4.901	0.321	0.015	0.027	0.005	0.005
01/15/2026	1039.363	0.739	1.413	0.598	92.193	5.269	0.328	0.015	0.028	0.005	0.005
01/14/2026	1041.518	0.781	1.314	0.599	92.082	5.411	0.346	0.017	0.033	0.005	0.006
01/13/2026	1033.171	0.603	1.724	0.595	92.551	4.775	0.294	0.014	0.026	0.004	0.004
01/12/2026	1033.259	0.614	1.689	0.595	92.625	4.708	0.304	0.016	0.030	0.005	0.005
01/11/2026	1037.236	0.646	1.564	0.596	92.365	5.019	0.341	0.017	0.031	0.005	0.005
01/10/2026	1039.637	0.713	1.519	0.598	92.048	5.280	0.369	0.019	0.035	0.006	0.006
01/09/2026	1040.382	0.723	1.451	0.598	92.057	5.348	0.358	0.017	0.032	0.005	0.005
01/08/2026	1039.301	0.692	1.610	0.599	91.962	5.265	0.395	0.020	0.038	0.006	0.006
01/07/2026	1039.652	0.715	1.561	0.599	91.959	5.311	0.378	0.020	0.037	0.006	0.007
01/06/2026	1038.947	0.694	1.591	0.599	92.030	5.232	0.379	0.019	0.036	0.006	0.006
01/05/2026	1039.338	0.730	1.605	0.599	91.879	5.316	0.395	0.020	0.037	0.006	0.007
01/04/2026	1036.012	0.693	1.844	0.599	91.802	5.219	0.378	0.018	0.032	0.005	0.005
01/03/2026	1038.080	0.716	1.807	0.601	91.597	5.415	0.393	0.019	0.035	0.006	0.006
01/02/2026	1042.521	0.762	1.735	0.603	91.101	5.912	0.420	0.020	0.036	0.005	0.005
01/01/2026	1052.392	0.908	1.560	0.610	90.056	6.838	0.543	0.027	0.049	0.007	0.007
12/31/2025	1046.494	0.784	1.775	0.607	90.557	6.287	0.511	0.024	0.044	0.006	0.006
12/30/2025	1045.875	0.779	1.785	0.606	90.632	6.208	0.511	0.024	0.045	0.006	0.006
12/29/2025	1046.316	0.775	1.770	0.606	90.599	6.280	0.492	0.023	0.043	0.007	0.007
12/28/2025	1045.156	0.803	1.746	0.606	90.713	6.180	0.479	0.022	0.040	0.006	0.006
12/27/2025	1040.938	0.714	1.756	0.602	91.365	5.681	0.412	0.020	0.036	0.006	0.006
12/26/2025	1040.875	0.734	1.761	0.602	91.348	5.651	0.428	0.021	0.040	0.006	0.006
12/25/2025	1044.798	0.826	1.720	0.606	90.790	6.090	0.490	0.023	0.043	0.006	0.006
12/24/2025	1051.679	0.887	1.662	0.610	89.989	6.804	0.559	0.027	0.051	0.008	0.008
12/23/2025	1052.026	0.939	1.675	0.612	89.752	7.007	0.536	0.025	0.047	0.007	0.007
12/22/2025	1055.036	0.978	1.622	0.614	89.437	7.299	0.566	0.028	0.051	0.007	0.007
12/21/2025	1047.180	0.850	1.843	0.609	90.192	6.491	0.534	0.025	0.046	0.007	0.006
12/20/2025	1047.086	0.840	1.704	0.607	90.521	6.340	0.507	0.025	0.045	0.007	0.007
12/19/2025	1049.917	0.898	1.593	0.609	90.266	6.655	0.503	0.024	0.043	0.007	0.006
12/18/2025	1054.579	0.993	1.482	0.612	89.741	7.153	0.542	0.025	0.045	0.006	0.006
12/17/2025	1069.285	1.144	1.420	0.623	87.891	8.684	0.742	0.034	0.063	0.009	0.008
12/16/2025	1060.319	1.005	1.784	0.619	88.445	7.968	0.695	0.030	0.055	0.007	0.006
12/15/2025	1058.131	0.978	1.772	0.617	88.818	7.650	0.668	0.032	0.060	0.008	0.008
12/14/2025	1056.612	1.012	1.690	0.616	89.159	7.348	0.662	0.035	0.067	0.010	0.010
12/13/2025	1041.221	0.764	1.921	0.605	90.970	5.754	0.490	0.027	0.051	0.008	0.008
12/12/2025	1047.815	0.891	1.723	0.609	90.299	6.474	0.514	0.027	0.050	0.008	0.008
12/11/2025	1050.835	0.931	1.651	0.611	90.092	6.607	0.611	0.031	0.055	0.008	0.008
12/10/2025	1048.552	0.875	1.521	0.607	90.714	6.281	0.503	0.027	0.054	0.009	0.009
12/09/2025	1039.921	0.720	1.933	0.603	91.258	5.445	0.547	0.028	0.051	0.007	0.007
12/08/2025	1035.257	0.676	1.949	0.600	91.769	5.122	0.396	0.023	0.043	0.008	0.008
12/07/2025	1030.578	0.603	2.045	0.597	92.271	4.638	0.364	0.021	0.039	0.007	0.007
12/06/2025	1023.544	0.475	2.284	0.593	92.871	3.985	0.309	0.019	0.037	0.007	0.007
12/05/2025	1035.755	0.682	1.998	0.601	91.614	5.189	0.423	0.024	0.046	0.008	0.008
12/04/2025	1030.766	0.605	2.209	0.598	91.933	4.747	0.418	0.023	0.044	0.007	0.007
12/03/2025	1011.987	0.304	2.501	0.585	94.091	2.868	0.185	0.012	0.023	0.005	0.005
12/02/2025	1010.640	0.303	2.637	0.585	93.961	2.851	0.198	0.012	0.024	0.005	0.005
12/01/2025	1020.186	0.484	2.218	0.590	93.365	3.608	0.260	0.016	0.032	0.006	0.006
11/30/2025	1024.369	0.560	2.086	0.592	93.002	3.989	0.288	0.018	0.037	0.007	0.007
11/29/2025	1034.875	0.725	1.825	0.599	91.990	4.978	0.393	0.023	0.045	0.008	0.008
11/28/2025	1044.690	0.864	1.641	0.605	91.006	5.872	0.490	0.031	0.062	0.011	0.012
11/27/2025	1040.842	0.814	1.611	0.602	91.534	5.536	0.411	0.024	0.047	0.008	0.008