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Gas Quality / Gas Quality By Date

Date Requested: Nov 29 2025 9:28 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


11/29/2025	1007.096	0.231	2.679	0.582	94.404	2.495	0.158	0.009	0.017	0.003	0.003	0.001	0.000
11/28/2025	1010.867	0.272	2.543	0.584	94.171	2.789	0.191	0.009	0.019	0.003	0.003	0.001	0.000
11/27/2025	1024.712	0.493	2.139	0.592	92.972	4.030	0.303	0.016	0.033	0.005	0.005	0.002	0.000
11/26/2025	1021.563	0.470	2.206	0.590	93.193	3.823	0.262	0.013	0.025	0.004	0.003	0.001	0.000
11/25/2025	1022.889	0.476	2.207	0.591	93.053	3.923	0.285	0.015	0.030	0.004	0.005	0.002	0.000
11/24/2025	1033.029	0.631	1.930	0.597	92.160	4.826	0.369	0.021	0.044	0.007	0.007	0.003	0.001
11/23/2025	1025.157	0.473	2.177	0.592	92.859	4.133	0.297	0.016	0.032	0.005	0.005	0.002	0.000
11/22/2025	1018.561	0.323	2.386	0.588	93.527	3.457	0.252	0.014	0.028	0.004	0.005	0.002	0.001
11/21/2025	1021.016	0.396	2.295	0.590	93.219	3.802	0.239	0.012	0.025	0.004	0.005	0.002	0.000
11/20/2025	1025.021	0.482	2.164	0.592	92.834	4.204	0.264	0.013	0.029	0.004	0.004	0.001	0.000
11/19/2025	1026.075	0.514	2.177	0.594	92.609	4.372	0.269	0.015	0.031	0.005	0.005	0.002	0.000
11/18/2025	1032.446	0.611	1.965	0.597	92.159	4.853	0.334	0.020	0.042	0.007	0.007	0.002	0.001
11/17/2025	1035.797	0.713	1.882	0.600	91.716	5.246	0.358	0.022	0.046	0.007	0.007	0.003	0.001
11/16/2025	1041.871	0.856	1.569	0.603	91.289	5.872	0.330	0.020	0.044	0.007	0.008	0.003	0.001
11/15/2025	1042.012	0.830	1.630	0.603	91.246	5.837	0.364	0.022	0.049	0.008	0.009	0.003	0.001
11/14/2025	1027.302	0.532	2.065	0.594	92.703	4.355	0.275	0.017	0.037	0.006	0.006	0.002	0.001
11/13/2025	1016.704	0.313	2.350	0.586	93.837	3.245	0.197	0.013	0.029	0.005	0.006	0.002	0.001
11/12/2025	1015.236	0.280	2.465	0.586	93.886	3.092	0.209	0.013	0.031	0.006	0.007	0.004	0.003
11/11/2025	1011.306	0.214	2.534	0.583	94.308	2.712	0.182	0.012	0.025	0.005	0.005	0.002	0.001
11/10/2025	1017.859	0.343	2.331	0.587	93.708	3.315	0.237	0.017	0.036	0.006	0.006	0.002	0.000
11/09/2025	1029.181	0.543	1.963	0.594	92.775	4.298	0.328	0.022	0.049	0.008	0.009	0.003	0.001
11/08/2025	1043.541	0.824	1.502	0.603	91.505	5.620	0.418	0.030	0.069	0.012	0.013	0.005	0.001
11/07/2025	1042.149	0.814	1.460	0.601	91.665	5.601	0.366	0.023	0.049	0.008	0.009	0.004	0.001
11/06/2025	1043.049	0.882	1.352	0.602	91.648	5.647	0.382	0.022	0.048	0.008	0.008	0.003	0.001
11/05/2025	1044.554	0.932	1.424	0.604	91.301	5.778	0.448	0.028	0.061	0.010	0.011	0.005	0.001
11/04/2025	1038.599	0.878	1.515	0.600	91.842	5.319	0.358	0.020	0.042	0.007	0.008	0.004	0.002
11/03/2025	1038.224	0.797	1.570	0.599	91.976	5.197	0.364	0.022	0.047	0.008	0.010	0.005	0.002
11/02/2025	1037.160	0.728	1.690	0.599	92.003	5.120	0.360	0.022	0.049	0.008	0.010	0.005	0.002
11/01/2025	1038.861	0.762	1.675	0.600	91.750	5.342	0.368	0.023	0.050	0.009	0.010	0.005	0.002
10/31/2025	1036.523	0.729	1.698	0.599	91.988	5.172	0.328	0.020	0.044	0.007	0.008	0.003	0.001
10/30/2025	1037.483	0.799	1.636	0.600	91.822	5.341	0.326	0.018	0.038	0.007	0.007	0.003	0.001
10/29/2025	1040.500	0.838	1.515	0.601	91.672	5.523	0.370	0.021	0.043	0.007	0.007	0.003	0.001
10/28/2025	1044.224	0.928	1.454	0.604	91.157	5.978	0.396	0.022	0.046	0.007	0.008	0.003	0.001
10/27/2025	1046.110	0.993	1.361	0.605	91.054	6.061	0.425	0.025	0.055	0.009	0.011	0.005	0.001
10/26/2025	1045.835	0.930	1.535	0.606	90.905	6.060	0.445	0.029	0.065	0.011	0.013	0.006	0.002
10/25/2025	1031.785	0.596	1.872	0.595	92.601	4.471	0.350	0.023	0.053	0.009	0.011	0.005	0.003
10/24/2025	1024.410	0.451	1.999	0.590	93.421	3.807	0.254	0.014	0.032	0.006	0.007	0.004	0.002
10/23/2025	1024.933	0.462	2.044	0.591	93.243	3.912	0.267	0.016	0.034	0.006	0.007	0.004	0.003
10/22/2025	1021.431	0.407	2.194	0.589	93.437	3.642	0.254	0.015	0.032	0.006	0.007	0.003	0.001
10/21/2025	1032.353	0.670	1.777	0.596	92.464	4.691	0.315	0.020	0.043	0.007	0.008	0.003	0.001
10/20/2025	1040.204	0.806	1.587	0.601	91.722	5.375	0.392	0.027	0.060	0.011	0.012	0.005	0.001
10/19/2025	1039.008	0.770	1.647	0.600	91.834	5.241	0.384	0.028	0.063	0.012	0.013	0.006	0.002
10/18/2025	1036.554	0.697	1.709	0.598	92.164	4.936	0.371	0.028	0.062	0.012	0.013	0.006	0.002
10/17/2025	1037.516	0.750	1.697	0.600	91.986	5.040	0.397	0.029	0.066	0.012	0.014	0.006	0.002
10/16/2025	1034.453	0.719	1.706	0.597	92.347	4.761	0.356	0.025	0.057	0.010	0.011	0.005	0.001
10/15/2025	1040.618	0.846	1.487	0.601	91.790	5.383	0.378	0.027	0.059	0.011	0.012	0.005	0.001
10/14/2025	1042.029	0.869	1.437	0.602	91.651	5.562	0.370	0.026	0.057	0.010	0.011	0.005	0.001
10/13/2025	1048.690	1.062	1.213	0.607	90.863	6.368	0.389	0.025	0.054	0.010	0.011	0.004	0.001
10/12/2025	1046.850	0.980	1.285	0.605	91.084	6.186	0.373	0.022	0.047	0.008	0.009	0.004	0.001
10/11/2025	1046.626	0.949	1.356	0.605	91.053	6.148	0.397	0.024	0.051	0.008	0.009	0.004	0.001
10/10/2025	1046.057	0.957	1.395	0.605	90.985	6.191	0.380	0.022	0.047	0.008	0.009	0.004	0.001
10/09/2025	1043.492	0.928	1.464	0.604	91.148	6.047	0.338	0.019	0.039	0.007	0.007	0.003	0.001
10/08/2025	1038.965	0.807	1.572	0.600	91.746	5.484	0.319	0.018	0.038	0.006	0.007	0.003	0.001
10/07/2025	1043.053	0.880	1.453	0.603	91.402	5.805	0.372	0.021	0.045	0.007	0.009	0.003	0.001
10/06/2025	1047.744	1.000	1.270	0.606	90.931	6.333	0.386	0.021	0.041	0.007	0.007	0.003	0.001
10/05/2025	1049.725	1.038	1.235	0.607	90.749	6.460	0.421	0.024	0.050	0.009	0.010	0.004	0.001
10/04/2025	1045.383	0.938	1.370	0.604	91.207	5.987	0.405	0.024	0.049	0.008	0.009	0.004	0.001
10/03/2025	1041.594	0.957	1.312	0.601	91.595	5.767	0.327	0.013	0.023	0.003	0.003	0.001	0.000
10/02/2025	1043.135	1.003	1.291	0.603	91.358	5.964	0.335	0.015	0.026	0.004	0.004	0.001	0.000
10/01/2025	1042.076	0.964	1.385	0.603	91.424	5.808	0.353	0.017	0.034	0.006	0.006	0.002	0.001
09/30/2025	1047.283	0.986	1.311	0.606	90.932	6.309	0.378	0.021	0.041	0.008	0.008	0.003	0.001
09/29/2025	1048.636	0.982	1.167	0.605	91.001	6.446	0.353	0.015	0.026	0.004	0.004	0.002	0.000
09/28/2025	1050.946	1.078	1.223	0.608	90.451	6.771	0.402	0.020	0.038	0.007	0.007	0.003	0.001
09/27/2025	1057.761	1.227	1.144	0.614	89.525	7.531	0.477	0.025	0.051	0.008	0.009	0.003	0.001
09/26/2025	1051.026	1.052	1.367	0.610	90.160	6.948	0.402	0.019	0.037	0.006	0.006	0.003	0.001
09/25/2025	1048.351	0.859	1.496	0.606	90.642	6.555	0.373	0.019	0.039	0.007	0.007	0.003	0.001
09/24/2025	1046.405	0.851	1.544	0.605	90.843	6.284	0.390	0.021	0.044	0.008	0.009	0.004	0.001
09/23/2025	1043.581	0.888	1.508	0.604	91.264	5.822	0.417	0.024	0.050	0.009	0.010	0.005	0.001
09/22/2025	1057.520	1.197	1.160	0.614	89.684	7.335	0.497	0.030	0.064	0.011	0.013	0.006	0.002
09/21/2025	1054.715	1.134	1.309	0.613	89.799	7.166	0.473	0.029	0.060	0.010	0.012	0.005	0.001
09/20/2025	1050.803	1.024	1.423	0.610	90.208	6.820	0.428	0.024	0.050	0.008	0.009	0.004	0.001
09/19/2025	1057.011	1.163	1.290	0.614	89.512	7.410	0.505	0.030	0.062	0.010	0.011	0.005	0.001
09/18/2025	1051.482	1.081	1.434	0.611	89.985	6.951	0.454	0.024	0.050	0.008	0.009	0.004	0.001
09/17/2025	1048.037	1.038	1.451	0.608	90.487	6.478	0.450	0.024	0.049	0.008	0.009	0.004	0.001
09/16/2025	1052.720	1.175	1.282	0.612	89.995	6.971	0.472	0.026	0.055	0.009	0.010	0.004	0.001
09/15/2025	1067.434	1.531	0.908	0.623	88.130	8.829	0.512	0.024	0.048	0.007	0.008	0.003	0.001
09/14/2025	1061.394	1.310	1.156	0.618	89.056	7.743	0.589	0.034	0.074	0.013	0.015	0.007	0.002
09/13/2025	1064.933	1.240	1.259	0.620	89.080	7.323	0.808	0.063	0.147	0.027	0.032	0.014	0.006
09/12/2025	1040.423	0.775	1.778	0.603	91.595	5.155	0.520	0.039	0.089	0.017	0.019	0.009	0.004
09/11/2025	1039.003	0.733	1.929	0.603	91.603	4.998	0.538	0.043	0.096	0.019	0.022	0.011	0.005
09/10/2025	1034.534	0.556	2.121	0.599	92.135	4.495	0.489	0.044	0.093	0.020	0.023	0.013	0.008
09/09/2025	1048.776	0.936	1.640	0.609	90.570	6.073	0.577	0.045	0.104	0.019	0.022	0.010	0.004
09/08/2025	1048.518	0.856	1.653	0.608	90.628	6.164	0.533	0.037	0.083	0.016	0.018	0.009	0.003
09/07/2025	1044.052	0.852	1.611	0.605	91.138	5.789	0.506	0.026	0.054	0.009	0.009	0.004	0.001
09/06/2025	1052.520	0.972	1.409	0.610	90.336	6.593	0.564	0.032	0.067	0.010	0.011	0.005	0.001
09/05/2025	1041.932	0.818	1.632	0.603	91.271	5.800	0.405	0.020	0.039	0.005	0.005	0.002	0.001
09/04/2025	1053.860	1.035	1.305	0.610	89.961	7.214	0.426	0.017	0.032	0.004	0.004	0.001	0.000
09/03/2025	1051.156	0.991	1.384	0.609	90.218	6.933	0.418	0.017	0.031	0.004	0.004	0.001	0.000
09/02/2025	1053.406	1.044	1.285	0.610	90.056	7.125	0.429	0.018	0.033	0.004	0.004	0.001	0.000
09/01/2025	1053.980	1.036	1.355	0.611	89.833	7.282	0.437	0.017	0.031	0.004	0.004	0.001	0.000
08/31/2025	1044.422	0.871	1.758	0.607	90.558	6.307	0.436	0.019	0.039	0.005	0.005	0.002	0.000
08/30/2025	1034.365	0.722	2.049	0.601	91.420	5.401	0.354	0.015	0.030	0.004	0.004	0.001	0.000
08/29/2025	1040.155	0.837	1.664	0.602	91.305	5.770	0.372	0.015	0.029	0.004	0.004	0.001	0.000
08/28/2025	1034.978	0.665	1.696	0.597	92.223	5.058	0.319	0.012	0.021	0.003	0.003	0.001	0.000