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Gas Quality / Gas Quality By Date

Date Requested: Dec 29 2025 2:45 PM

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


12/29/2025	1041.135	0.725	1.759	0.602	91.315	5.705	0.411	0.021	0.040	0.008	0.007	0.001	0.001	0.008
12/28/2025	1040.541	0.700	1.782	0.602	91.395	5.650	0.400	0.020	0.038	0.006	0.006	0.002	0.002	0.000
12/27/2025	1040.577	0.715	1.727	0.601	91.464	5.633	0.388	0.019	0.038	0.006	0.006	0.001	0.001	0.000
12/26/2025	1037.139	0.648	1.941	0.600	91.514	5.441	0.368	0.019	0.035	0.006	0.008	0.001	0.001	0.019
12/25/2025	1035.734	0.606	1.896	0.598	91.921	5.152	0.355	0.018	0.036	0.006	0.006	0.002	0.002	0.000
12/24/2025	1035.258	0.610	1.911	0.598	91.946	5.101	0.362	0.019	0.037	0.006	0.006	0.001	0.001	0.000
12/23/2025	1033.030	0.558	2.108	0.598	91.854	5.067	0.358	0.016	0.029	0.004	0.004	0.001	0.001	0.000
12/22/2025	1029.646	0.508	2.115	0.595	92.342	4.665	0.321	0.014	0.026	0.004	0.004	0.001	0.001	0.000
12/21/2025	1036.380	0.636	1.878	0.599	91.794	5.259	0.372	0.017	0.032	0.005	0.004	0.001	0.001	0.000
12/20/2025	1043.604	0.747	1.793	0.604	90.884	6.069	0.436	0.020	0.038	0.005	0.006	0.001	0.001	0.000
12/19/2025	1051.345	0.871	1.613	0.609	90.093	6.847	0.491	0.024	0.045	0.007	0.007	0.001	0.001	0.000
12/18/2025	1043.016	0.680	1.972	0.605	90.752	6.044	0.463	0.022	0.043	0.007	0.007	0.002	0.002	0.006
12/17/2025	1031.614	0.525	2.192	0.598	91.949	4.910	0.359	0.017	0.033	0.005	0.005	0.002	0.002	0.000
12/16/2025	1038.569	0.639	1.919	0.601	91.445	5.543	0.387	0.018	0.036	0.005	0.006	0.001	0.001	0.000
12/15/2025	1037.854	0.658	1.817	0.600	91.710	5.381	0.365	0.019	0.035	0.006	0.006	0.001	0.001	0.000
12/14/2025	1034.004	0.593	1.971	0.598	91.972	5.051	0.351	0.017	0.032	0.005	0.005	0.001	0.001	0.000
12/13/2025	1027.266	0.484	2.181	0.594	92.590	4.358	0.323	0.017	0.034	0.005	0.005	0.001	0.001	0.000
12/12/2025	1032.764	0.590	2.073	0.598	91.950	4.940	0.377	0.019	0.037	0.006	0.006	0.001	0.001	0.000
12/11/2025	1032.028	0.570	2.073	0.597	92.110	4.799	0.372	0.020	0.039	0.006	0.007	0.002	0.002	0.000
12/10/2025	1027.722	0.489	2.203	0.595	92.513	4.365	0.366	0.018	0.034	0.005	0.005	0.001	0.001	0.000
12/09/2025	1027.166	0.480	2.152	0.594	92.710	4.244	0.348	0.018	0.035	0.005	0.005	0.001	0.001	0.000
12/08/2025	1025.416	0.455	2.184	0.592	92.850	4.164	0.288	0.015	0.031	0.005	0.005	0.001	0.001	0.000
12/07/2025	1023.241	0.445	2.237	0.591	92.991	4.015	0.261	0.014	0.026	0.004	0.004	0.001	0.001	0.000
12/06/2025	1031.795	0.611	1.972	0.597	92.216	4.805	0.334	0.017	0.032	0.005	0.005	0.002	0.002	0.000
12/05/2025	1024.520	0.478	2.168	0.592	92.965	4.042	0.287	0.015	0.030	0.005	0.006	0.002	0.002	0.000
12/04/2025	1013.277	0.267	2.493	0.585	94.049	2.946	0.198	0.011	0.023	0.004	0.005	0.002	0.002	0.000
12/03/2025	1005.394	0.224	2.814	0.583	94.337	2.443	0.149	0.009	0.017	0.003	0.003	0.001	0.001	0.000
12/02/2025	1014.501	0.361	2.403	0.586	93.873	3.104	0.213	0.012	0.024	0.004	0.004	0.001	0.001	0.000
12/01/2025	1014.016	0.339	2.440	0.586	93.882	3.092	0.206	0.011	0.022	0.003	0.003	0.001	0.001	0.000
11/30/2025	1041.016	0.667	2.230	0.606	90.349	6.245	0.434	0.018	0.035	0.005	0.005	0.001	0.001	0.011
11/29/2025	1065.683	0.941	2.450	0.629	86.118	9.751	0.635	0.019	0.037	0.003	0.003	0.000	0.000	0.042
11/28/2025	1025.608	0.520	2.118	0.593	92.826	4.186	0.293	0.015	0.030	0.005	0.005	0.001	0.001	0.000
11/27/2025	1026.164	0.473	2.163	0.593	92.786	4.222	0.291	0.016	0.033	0.007	0.007	0.001	0.001	0.000
11/26/2025	1028.680	0.529	2.047	0.594	92.613	4.452	0.281	0.019	0.035	0.012	0.010	0.001	0.001	0.000
11/25/2025	1024.314	0.454	2.141	0.591	93.052	4.041	0.257	0.014	0.030	0.005	0.005	0.001	0.001	0.000
11/24/2025	1024.698	0.465	2.164	0.592	92.907	4.165	0.249	0.013	0.028	0.004	0.004	0.001	0.001	0.000
11/23/2025	1024.700	0.502	2.230	0.593	92.688	4.264	0.258	0.014	0.030	0.005	0.005	0.001	0.001	0.000
11/22/2025	1029.535	0.573	2.097	0.596	92.266	4.699	0.300	0.017	0.035	0.005	0.006	0.001	0.001	0.000
11/21/2025	1027.725	0.520	2.015	0.593	92.803	4.317	0.276	0.017	0.036	0.006	0.006	0.001	0.001	0.000
11/20/2025	1028.192	0.484	2.303	0.596	92.168	4.688	0.295	0.016	0.033	0.005	0.006	0.002	0.002	0.000
11/19/2025	1020.092	0.378	2.309	0.589	93.395	3.621	0.232	0.015	0.034	0.006	0.006	0.002	0.002	0.000
11/18/2025	1020.220	0.369	2.330	0.589	93.371	3.570	0.259	0.017	0.039	0.008	0.009	0.002	0.002	0.024
11/17/2025	1023.552	0.440	2.236	0.591	93.080	3.867	0.290	0.020	0.044	0.008	0.009	0.002	0.002	0.000
11/16/2025	1023.877	0.450	2.034	0.590	93.458	3.695	0.279	0.020	0.044	0.008	0.008	0.001	0.001	0.000
11/15/2025	1023.122	0.434	2.054	0.589	93.536	3.622	0.272	0.020	0.044	0.008	0.008	0.001	0.001	0.000
11/14/2025	1022.932	0.429	2.060	0.589	93.558	3.601	0.270	0.020	0.044	0.008	0.008	0.001	0.001	0.000
11/13/2025	1023.981	0.424	2.102	0.590	93.352	3.748	0.291	0.020	0.045	0.008	0.008	0.001	0.001	0.000
11/12/2025	1025.214	0.464	2.174	0.592	92.943	4.031	0.302	0.022	0.047	0.007	0.007	0.001	0.001	0.000
11/11/2025	1041.504	0.747	1.621	0.601	91.719	5.346	0.426	0.032	0.075	0.014	0.015	0.002	0.002	0.000
11/10/2025	1045.008	0.867	1.458	0.604	91.280	5.864	0.424	0.026	0.057	0.010	0.011	0.002	0.002	0.000
11/09/2025	1040.345	0.757	1.727	0.602	91.412	5.595	0.405	0.022	0.045	0.007	0.009	0.001	0.001	0.018
11/08/2025	1082.123	0.996	2.538	0.641	84.028	11.475	0.881	0.024	0.046	0.004	0.005	0.002	0.002	0.000
11/07/2025	1036.013	0.715	1.720	0.598	92.089	5.038	0.349	0.021	0.045	0.008	0.010	0.003	0.003	0.000
11/06/2025	1038.111	0.727	1.707	0.600	91.830	5.284	0.363	0.021	0.046	0.008	0.009	0.002	0.002	0.000
11/05/2025	1036.665	0.719	1.719	0.599	92.009	5.107	0.352	0.022	0.049	0.008	0.010	0.002	0.002	0.000
11/04/2025	1036.697	0.716	1.693	0.599	92.006	5.177	0.329	0.019	0.042	0.007	0.008	0.002	0.002	0.000
11/03/2025	1037.982	0.795	1.628	0.600	91.809	5.358	0.330	0.020	0.041	0.007	0.008	0.002	0.002	0.000
11/02/2025	1041.487	0.841	1.514	0.602	91.567	5.613	0.380	0.022	0.044	0.007	0.008	0.001	0.001	0.000
11/01/2025	1046.213	0.970	1.371	0.605	91.059	6.087	0.417	0.024	0.050	0.009	0.010	0.002	0.002	0.000
10/31/2025	1044.531	0.877	1.578	0.605	91.076	5.923	0.432	0.026	0.059	0.010	0.012	0.003	0.003	0.000
10/30/2025	1026.278	0.462	1.859	0.590	93.523	3.802	0.276	0.018	0.040	0.007	0.008	0.002	0.002	0.000
10/29/2025	1027.140	0.533	1.998	0.593	92.823	4.226	0.288	0.017	0.038	0.007	0.008	0.002	0.002	0.056
10/28/2025	1024.744	0.460	2.032	0.590	93.278	3.905	0.262	0.015	0.032	0.006	0.007	0.002	0.002	0.000
10/27/2025	1044.786	0.678	2.313	0.610	89.727	6.728	0.485	0.018	0.037	0.005	0.006	0.001	0.001	0.000
10/26/2025	1031.826	0.640	1.836	0.596	92.502	4.610	0.322	0.021	0.047	0.008	0.009	0.002	0.002	0.000
10/25/2025	1037.037	0.735	1.670	0.599	92.069	5.063	0.360	0.024	0.054	0.010	0.011	0.002	0.002	0.000
10/24/2025	1036.484	0.689	1.761	0.599	92.075	4.985	0.375	0.027	0.060	0.011	0.012	0.002	0.002	0.000
10/23/2025	1039.665	0.820	1.510	0.600	91.904	5.297	0.363	0.025	0.056	0.010	0.011	0.002	0.002	0.000
10/22/2025	1044.525	0.908	1.504	0.605	91.034	6.101	0.368	0.021	0.044	0.008	0.009	0.001	0.001	0.000
10/21/2025	1037.525	0.768	1.626	0.599	91.904	5.314	0.313	0.018	0.039	0.007	0.007	0.001	0.001	0.000
10/20/2025	1040.383	0.815	1.565	0.601	91.619	5.569	0.351	0.020	0.042	0.007	0.008	0.001	0.001	0.000
10/19/2025	1039.234	0.799	1.562	0.600	91.805	5.403	0.353	0.020	0.041	0.007	0.007	0.001	0.001	0.000
10/18/2025	1044.478	0.882	1.547	0.605	90.971	6.138	0.384	0.019	0.039	0.006	0.006	0.001	0.001	0.005
10/17/2025	1050.627	0.890	1.809	0.611	89.639	7.096	0.479	0.021	0.042	0.007	0.007	0.001	0.001	0.008
10/16/2025	1069.427	1.016	2.405	0.632	85.526	10.135	0.719	0.023	0.043	0.005	0.006	0.000	0.000	0.121
10/15/2025	1074.693	1.013	2.539	0.636	84.638	10.861	0.777	0.023	0.047	0.004	0.004	0.000	0.000	0.093
10/14/2025	1076.826	1.027	2.625	0.639	84.140	11.205	0.815	0.024	0.048	0.003	0.004	0.000	0.000	0.108
10/13/2025	1079.969	1.041	2.773	0.643	83.212	11.910	0.827	0.020	0.038	0.002	0.003	0.000	0.000	0.172
10/12/2025	1078.129	1.062	2.811	0.642	83.124	11.936	0.771	0.019	0.035	0.002	0.002	0.000	0.000	0.238
10/11/2025	1077.280	1.048	2.791	0.641	83.507	11.641	0.794	0.020	0.038	0.002	0.003	0.000	0.000	0.155
10/10/2025	1079.973	1.031	2.729	0.642	83.490	11.723	0.835	0.024	0.046	0.003	0.004	0.001	0.001	0.114
10/09/2025	1061.940	0.903	2.220	0.623	87.353	8.817	0.624	0.022	0.045	0.006	0.007	0.001	0.001	0.001
10/08/2025	1057.595	0.929	1.980	0.618	88.360	8.080	0.564	0.023	0.047	0.007	0.007	0.001	0.001	0.001
10/07/2025	1063.302	0.808	2.024	0.620	87.607	8.832	0.601	0.016	0.031	0.002	0.003	0.000	0.000	0.073
10/06/2025	1023.279	0.164	0.448	0.568	97.529	1.724	0.114	0.003	0.006	0.001	0.001	0.000	0.000	0.012
10/05/2025	1017.956	0.078	0.254	0.561	98.811	0.798	0.051	0.001	0.003	0.000	0.000	0.000	0.000	0.003
10/04/2025	1013.736	0.013	0.108	0.556	99.802	0.073	0.004	0.000	0.000	0.000	0.000	0.000	0.000	0.000
10/03/2025	1013.690	0.007	0.092	0.555	99.853	0.047	0.001	0.000	0.000	0.000	0.000	0.000	0.000	0.000
10/02/2025	1021.503	0.147	0.367	0.566	97.974	1.401	0.095	0.003	0.006	0.001	0.001	0.000	0.000	0.006
10/01/2025	1074.322	0.938	2.504	0.635	84.759	10.785	0.782	0.019	0.036	0.002	0.002	0.000	0.000	0.173
09/30/2025	1074.528	1.015	2.429	0.635	84.826	10.758	0.772	0.022	0.041	0.003	0.004	0.000	0.000	0.130
09/29/2025	1081.464	1.026	2.771	0.643	83.128	12.019	0.837	0.022	0.043	0.003	0.003	0.000	0.000	0.148
09/28/2025	1079.645	0.991	2.664	0.640	83.711	11.488	0.872	0.026	0.052	0.005	0.006	0.001	0.001	0.183
09/27/2025	1083.819	0.975	2.708	0.643	83.067	12.059	0.916	0.024	0.045	0.003	0.003	0.000	0.000	0.201