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Gas Quality / Gas Quality By Date

Date Requested: Dec 11 2025 11:56 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


12/11/2025	1050.282	0.904	1.334	0.606	90.791	6.423	0.447	0.025	0.051	0.008	0.009	0.004	0.004
12/10/2025	1049.030	0.881	1.411	0.606	90.844	6.308	0.450	0.026	0.053	0.009	0.010	0.004	0.004
12/09/2025	1047.651	0.854	1.432	0.605	91.001	6.177	0.442	0.025	0.049	0.008	0.008	0.003	0.003
12/08/2025	1049.379	0.879	1.362	0.606	90.851	6.412	0.398	0.024	0.050	0.009	0.010	0.003	0.003
12/07/2025	1051.598	0.978	1.238	0.607	90.522	6.829	0.359	0.019	0.037	0.006	0.007	0.003	0.003
12/06/2025	1047.994	0.888	1.322	0.605	91.109	6.171	0.413	0.024	0.049	0.008	0.009	0.003	0.003
12/05/2025	1046.017	0.850	1.365	0.603	91.265	6.078	0.364	0.020	0.039	0.006	0.007	0.003	0.003
12/04/2025	1037.090	0.710	1.428	0.596	92.437	5.122	0.251	0.013	0.025	0.004	0.005	0.002	0.002
12/03/2025	1036.911	0.733	1.447	0.596	92.382	5.116	0.270	0.013	0.025	0.004	0.004	0.002	0.002
12/02/2025	1035.397	0.750	1.504	0.596	92.443	4.951	0.296	0.015	0.028	0.005	0.005	0.002	0.002
12/01/2025	1039.020	0.811	1.394	0.598	92.173	5.206	0.341	0.019	0.039	0.007	0.007	0.002	0.002
11/30/2025	1040.081	0.845	1.349	0.599	92.111	5.244	0.361	0.022	0.046	0.008	0.008	0.003	0.003
11/29/2025	1045.204	0.929	1.205	0.602	91.627	5.750	0.393	0.023	0.048	0.008	0.009	0.003	0.003
11/28/2025	1045.759	0.902	1.214	0.602	91.569	5.844	0.383	0.022	0.046	0.007	0.008	0.002	0.002
11/27/2025	1046.550	0.926	1.281	0.604	91.300	5.986	0.412	0.024	0.050	0.008	0.008	0.003	0.003
11/26/2025	1048.288	0.970	1.257	0.605	91.075	6.159	0.431	0.027	0.055	0.010	0.010	0.003	0.003
11/25/2025	1050.605	0.989	1.231	0.607	90.786	6.455	0.431	0.026	0.056	0.009	0.010	0.003	0.003
11/24/2025	1053.241	1.028	1.188	0.609	90.426	6.836	0.424	0.025	0.052	0.008	0.009	0.002	0.002
11/23/2025	1054.594	1.067	1.164	0.610	90.168	7.107	0.410	0.022	0.045	0.007	0.007	0.002	0.002
11/22/2025	1056.333	1.114	1.171	0.612	89.794	7.433	0.411	0.020	0.040	0.006	0.006	0.002	0.002
11/21/2025	1060.438	1.180	1.114	0.615	89.378	7.744	0.477	0.027	0.058	0.009	0.009	0.002	0.002
11/20/2025	1052.608	1.010	1.306	0.609	90.315	6.819	0.441	0.027	0.058	0.009	0.010	0.003	0.003
11/19/2025	1048.143	0.904	1.321	0.605	91.076	6.182	0.411	0.026	0.056	0.009	0.010	0.003	0.003
11/18/2025	1059.885	1.115	0.817	0.610	90.350	7.118	0.462	0.032	0.072	0.012	0.014	0.004	0.004
11/17/2025	1061.180	1.137	0.791	0.611	90.225	7.227	0.476	0.034	0.075	0.013	0.015	0.004	0.004
11/16/2025	1062.967	1.166	0.834	0.613	89.919	7.390	0.527	0.038	0.085	0.015	0.017	0.005	0.005
11/15/2025	1058.315	1.095	0.916	0.610	90.452	6.880	0.502	0.036	0.081	0.014	0.015	0.005	0.005
11/14/2025	1051.511	0.965	1.040	0.605	91.272	6.127	0.453	0.033	0.074	0.013	0.014	0.004	0.004
11/13/2025	1048.986	0.902	1.142	0.604	91.506	5.860	0.449	0.033	0.074	0.013	0.014	0.004	0.004
11/12/2025	1050.144	0.916	1.129	0.604	91.362	5.992	0.459	0.033	0.074	0.013	0.014	0.004	0.004
11/11/2025	1050.499	0.912	1.113	0.604	91.322	6.081	0.441	0.031	0.068	0.012	0.013	0.004	0.004
11/10/2025	1046.965	0.839	1.242	0.602	91.572	5.832	0.401	0.027	0.059	0.010	0.011	0.003	0.003
11/09/2025	1040.921	0.739	1.409	0.599	92.082	5.338	0.344	0.021	0.044	0.007	0.008	0.003	0.003
11/08/2025	1037.504	0.731	1.553	0.598	92.214	5.072	0.345	0.021	0.043	0.007	0.008	0.003	0.003
11/07/2025	1033.394	0.678	1.716	0.596	92.477	4.714	0.329	0.020	0.043	0.007	0.008	0.003	0.003
11/06/2025	1031.753	0.646	1.762	0.595	92.631	4.567	0.313	0.019	0.040	0.007	0.008	0.003	0.003
11/05/2025	1032.980	0.649	1.740	0.596	92.538	4.670	0.320	0.019	0.042	0.007	0.008	0.004	0.004
11/04/2025	1032.652	0.607	1.791	0.595	92.566	4.628	0.320	0.019	0.043	0.008	0.009	0.004	0.004
11/03/2025	1033.580	0.629	1.784	0.596	92.406	4.771	0.323	0.019	0.043	0.007	0.008	0.004	0.004
11/02/2025	1033.713	0.646	1.764	0.596	92.379	4.812	0.316	0.019	0.042	0.007	0.008	0.003	0.003
11/01/2025	1033.482	0.651	1.759	0.596	92.402	4.795	0.313	0.019	0.041	0.007	0.008	0.003	0.003
10/31/2025	1035.432	0.693	1.697	0.597	92.229	4.957	0.338	0.020	0.043	0.007	0.008	0.003	0.003
10/30/2025	1034.553	0.667	1.737	0.597	92.317	4.853	0.336	0.020	0.045	0.008	0.009	0.004	0.004
10/29/2025	1026.913	0.498	1.964	0.592	93.104	4.072	0.282	0.017	0.038	0.007	0.008	0.004	0.004
10/28/2025	1026.426	0.488	1.981	0.591	93.163	4.001	0.284	0.018	0.040	0.007	0.008	0.004	0.004
10/27/2025	1026.158	0.485	1.992	0.591	93.185	3.967	0.287	0.018	0.041	0.007	0.009	0.004	0.004
10/26/2025	1025.326	0.465	2.008	0.591	93.260	3.927	0.268	0.016	0.035	0.006	0.007	0.004	0.004
10/25/2025	1024.685	0.451	2.014	0.590	93.346	3.857	0.263	0.015	0.034	0.006	0.007	0.003	0.003
10/24/2025	1023.261	0.422	2.079	0.589	93.440	3.731	0.261	0.015	0.033	0.006	0.007	0.003	0.003
10/23/2025	1025.327	0.478	2.042	0.591	93.162	3.963	0.277	0.018	0.039	0.007	0.008	0.003	0.003
10/22/2025	1028.325	0.564	1.910	0.593	92.892	4.267	0.290	0.018	0.039	0.007	0.008	0.002	0.002
10/21/2025	1034.501	0.676	1.699	0.597	92.417	4.774	0.334	0.023	0.051	0.009	0.010	0.003	0.003
10/20/2025	1035.032	0.675	1.709	0.597	92.374	4.776	0.353	0.026	0.058	0.011	0.012	0.004	0.004
10/19/2025	1031.341	0.609	1.807	0.595	92.736	4.413	0.331	0.024	0.053	0.010	0.011	0.004	0.004
10/18/2025	1028.793	0.570	1.851	0.593	93.021	4.151	0.311	0.022	0.049	0.009	0.010	0.003	0.003
10/17/2025	1023.382	0.461	1.991	0.589	93.564	3.644	0.262	0.018	0.040	0.007	0.008	0.003	0.003
10/16/2025	1025.220	0.511	1.928	0.590	93.361	3.851	0.269	0.018	0.040	0.007	0.008	0.003	0.003
10/15/2025	1038.986	0.794	1.473	0.599	92.052	5.258	0.336	0.021	0.045	0.008	0.008	0.002	0.002
10/14/2025	1048.025	0.985	1.184	0.605	91.154	6.205	0.383	0.022	0.046	0.008	0.009	0.003	0.003
10/13/2025	1047.371	0.971	1.213	0.604	91.202	6.145	0.381	0.022	0.046	0.008	0.009	0.003	0.003
10/12/2025	1047.246	0.965	1.233	0.604	91.175	6.165	0.374	0.022	0.045	0.008	0.008	0.002	0.002
10/11/2025	1047.346	0.953	1.320	0.605	91.053	6.165	0.404	0.025	0.054	0.009	0.010	0.003	0.003
10/10/2025	1044.151	0.915	1.399	0.603	91.247	6.024	0.341	0.019	0.039	0.006	0.007	0.002	0.002
10/09/2025	1036.994	0.751	1.649	0.599	91.931	5.298	0.302	0.017	0.036	0.006	0.007	0.002	0.002
10/08/2025	1030.311	0.594	1.847	0.594	92.651	4.575	0.275	0.015	0.031	0.005	0.005	0.002	0.002
10/07/2025	1042.415	0.856	1.453	0.602	91.521	5.725	0.363	0.020	0.043	0.007	0.008	0.002	0.002
10/06/2025	1049.223	1.041	1.169	0.606	90.854	6.485	0.379	0.019	0.037	0.006	0.006	0.002	0.002
10/05/2025	1053.672	1.085	1.111	0.609	90.492	6.739	0.458	0.028	0.059	0.010	0.011	0.003	0.003
10/04/2025	1045.992	0.971	1.237	0.604	91.318	6.005	0.384	0.022	0.044	0.007	0.008	0.002	0.002
10/03/2025	1043.667	1.002	1.202	0.602	91.463	5.973	0.322	0.012	0.021	0.003	0.002	0.001	0.001
10/02/2025	1043.330	0.984	1.275	0.603	91.456	5.875	0.349	0.017	0.032	0.005	0.005	0.001	0.001
10/01/2025	1041.623	0.945	1.388	0.602	91.532	5.713	0.353	0.018	0.036	0.006	0.006	0.002	0.002
09/30/2025	1049.667	0.963	1.223	0.606	90.855	6.515	0.371	0.019	0.037	0.006	0.007	0.002	0.002
09/29/2025	1049.656	1.028	1.048	0.605	91.033	6.495	0.344	0.015	0.026	0.004	0.004	0.001	0.001
09/28/2025	1050.205	1.065	1.272	0.608	90.477	6.699	0.410	0.020	0.039	0.006	0.007	0.002	0.002
09/27/2025	1059.629	1.240	1.075	0.615	89.422	7.685	0.479	0.025	0.051	0.008	0.009	0.003	0.003
09/26/2025	1052.778	1.051	1.278	0.610	90.126	7.083	0.392	0.018	0.035	0.006	0.006	0.002	0.002
09/25/2025	1050.073	0.867	1.405	0.606	90.624	6.648	0.375	0.020	0.041	0.007	0.008	0.003	0.003
09/24/2025	1047.938	0.898	1.434	0.606	90.806	6.372	0.402	0.022	0.045	0.008	0.009	0.003	0.003
09/23/2025	1048.399	0.990	1.318	0.606	90.894	6.245	0.443	0.026	0.055	0.010	0.011	0.004	0.004
09/22/2025	1055.603	1.133	1.251	0.613	89.838	7.177	0.479	0.029	0.062	0.011	0.012	0.004	0.004
09/21/2025	1056.956	1.161	1.248	0.614	89.642	7.316	0.505	0.031	0.065	0.011	0.012	0.004	0.004
09/20/2025	1057.720	1.207	1.233	0.615	89.459	7.470	0.512	0.029	0.061	0.010	0.011	0.004	0.004
09/19/2025	1056.425	1.190	1.248	0.614	89.661	7.250	0.523	0.031	0.065	0.011	0.012	0.004	0.004
09/18/2025	1056.290	1.195	1.232	0.614	89.728	7.179	0.533	0.032	0.068	0.012	0.013	0.004	0.004
09/17/2025	1065.437	1.418	0.994	0.621	88.680	8.159	0.598	0.036	0.077	0.013	0.015	0.005	0.005
09/16/2025	1067.264	1.411	1.009	0.622	88.570	8.156	0.674	0.042	0.092	0.016	0.019	0.006	0.006
09/15/2025	1068.205	1.396	1.030	0.623	88.585	8.031	0.741	0.049	0.111	0.020	0.023	0.007	0.007
09/14/2025	1065.958	1.262	1.188	0.621	89.058	7.392	0.811	0.063	0.148	0.027	0.031	0.010	0.010
09/13/2025	1062.792	1.178	1.288	0.618	89.398	7.070	0.780	0.062	0.144	0.027	0.032	0.010	0.010
09/12/2025	1063.269	1.199	1.277	0.619	89.264	7.220	0.769	0.059	0.137	0.026	0.030	0.009	0.009
09/11/2025	1058.758	1.108	1.362	0.615	89.686	6.926	0.687	0.051	0.117	0.022	0.025	0.008	0.008
09/10/2025	1051.527	0.933	1.501	0.609	90.452	6.377	0.566	0.039	0.087	0.016	0.018	0.006	0.006
09/09/2025	1049.003	0.885	1.532	0.607	90.720	6.185	0.541	0.033	0.071	0.012	0.014	0.004	0.004