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Gas Quality / Gas Quality By Date

Date Requested: Apr 04 2026 12:11 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


04/04/2026	1023.652	0.466	2.062	0.590	93.384	3.722	0.289	0.017	0.038	0.007	0.008	0.004	0.002
04/03/2026	1023.652	0.466	2.062	0.590	93.384	3.722	0.289	0.017	0.038	0.007	0.008	0.004	0.002
04/02/2026	1025.035	0.539	1.991	0.591	93.171	3.955	0.272	0.016	0.035	0.006	0.007	0.003	0.002
04/01/2026	1039.312	0.832	1.490	0.600	92.016	5.159	0.391	0.025	0.054	0.010	0.012	0.006	0.004
03/31/2026	1032.612	0.639	1.778	0.596	92.586	4.561	0.338	0.022	0.044	0.008	0.010	0.006	0.004
03/30/2026	1021.947	0.331	2.324	0.590	93.311	3.689	0.268	0.016	0.032	0.006	0.008	0.005	0.005
03/29/2026	1022.182	0.343	2.335	0.590	93.217	3.754	0.276	0.017	0.032	0.006	0.008	0.005	0.004
03/28/2026	1020.170	0.377	2.222	0.588	93.538	3.588	0.226	0.012	0.023	0.004	0.005	0.002	0.001
03/27/2026	1031.483	0.570	1.901	0.595	92.519	4.612	0.326	0.017	0.034	0.006	0.007	0.003	0.002
03/26/2026	1029.030	0.540	1.951	0.594	92.809	4.300	0.322	0.017	0.036	0.006	0.008	0.004	0.003
03/25/2026	1021.576	0.402	2.200	0.589	93.418	3.661	0.258	0.014	0.029	0.005	0.006	0.003	0.002
03/24/2026	1022.753	0.423	2.109	0.589	93.414	3.734	0.264	0.014	0.028	0.005	0.005	0.003	0.001
03/23/2026	1043.922	0.825	1.604	0.604	91.124	5.937	0.424	0.021	0.044	0.007	0.008	0.003	0.002
03/22/2026	1037.238	0.598	2.255	0.603	90.951	5.715	0.412	0.018	0.035	0.005	0.005	0.002	0.001
03/21/2026	1025.300	0.487	2.053	0.591	93.137	3.966	0.286	0.015	0.032	0.006	0.007	0.004	0.003
03/20/2026	1019.282	0.334	2.327	0.588	93.603	3.429	0.236	0.013	0.029	0.005	0.007	0.005	0.005
03/19/2026	1024.382	0.428	2.140	0.591	93.213	3.861	0.279	0.015	0.034	0.006	0.008	0.005	0.004
03/18/2026	1022.399	0.411	2.165	0.590	93.404	3.691	0.259	0.014	0.031	0.006	0.007	0.004	0.004
03/17/2026	1027.532	0.497	1.876	0.591	93.234	4.031	0.290	0.016	0.033	0.006	0.007	0.003	0.003
03/16/2026	1029.933	0.556	1.843	0.593	92.942	4.238	0.334	0.020	0.042	0.008	0.009	0.004	0.003
03/15/2026	1023.207	0.375	2.216	0.590	93.302	3.745	0.286	0.015	0.034	0.006	0.007	0.004	0.004
03/14/2026	1020.850	0.335	2.267	0.588	93.541	3.528	0.259	0.014	0.032	0.006	0.007	0.004	0.003
03/13/2026	1018.916	0.275	2.389	0.587	93.594	3.444	0.244	0.012	0.025	0.004	0.006	0.003	0.003
03/12/2026	1013.870	0.237	2.426	0.584	94.143	2.971	0.182	0.009	0.019	0.003	0.004	0.002	0.001
03/11/2026	1025.131	0.457	2.036	0.591	93.280	3.853	0.299	0.017	0.036	0.006	0.007	0.004	0.003
03/10/2026	1026.749	0.502	2.031	0.592	92.977	4.094	0.328	0.017	0.035	0.005	0.006	0.003	0.001
03/09/2026	1025.357	0.488	2.075	0.592	93.081	3.972	0.315	0.017	0.035	0.006	0.006	0.003	0.001
03/08/2026	1029.016	0.545	1.810	0.592	93.131	4.109	0.324	0.019	0.039	0.007	0.008	0.004	0.002
03/07/2026	1027.385	0.482	1.966	0.592	93.112	4.047	0.314	0.018	0.038	0.006	0.007	0.004	0.003
03/06/2026	1028.886	0.533	1.900	0.593	92.961	4.206	0.320	0.018	0.039	0.006	0.007	0.004	0.003
03/05/2026	1026.917	0.484	1.979	0.592	93.096	4.076	0.295	0.016	0.035	0.006	0.006	0.003	0.002
03/04/2026	1027.359	0.495	1.937	0.592	93.050	4.183	0.282	0.014	0.027	0.004	0.004	0.002	0.001
03/03/2026	1038.141	0.642	1.569	0.597	92.318	5.004	0.393	0.021	0.038	0.005	0.005	0.002	0.001
03/02/2026	1037.795	0.611	1.685	0.597	92.191	5.024	0.413	0.021	0.038	0.005	0.005	0.002	0.001
03/01/2026	1037.805	0.589	1.816	0.598	91.935	5.193	0.386	0.020	0.040	0.006	0.007	0.003	0.002
02/28/2026	1034.998	0.582	1.765	0.596	92.400	4.820	0.354	0.019	0.038	0.006	0.007	0.004	0.003
02/27/2026	1034.490	0.573	1.734	0.595	92.537	4.738	0.345	0.018	0.036	0.005	0.006	0.003	0.002
02/26/2026	1027.786	0.462	1.965	0.592	93.059	4.157	0.294	0.015	0.030	0.004	0.005	0.003	0.002
02/25/2026	1033.950	0.612	1.682	0.595	92.593	4.732	0.314	0.016	0.031	0.005	0.006	0.003	0.003
02/24/2026	1030.917	0.546	1.835	0.594	92.784	4.457	0.312	0.016	0.031	0.005	0.005	0.003	0.002
02/23/2026	1030.741	0.536	1.866	0.594	92.738	4.485	0.313	0.016	0.030	0.005	0.005	0.003	0.002
02/22/2026	1032.419	0.598	1.873	0.596	92.371	4.768	0.329	0.016	0.030	0.004	0.005	0.002	0.002
02/21/2026	1027.172	0.468	2.126	0.593	92.744	4.292	0.309	0.016	0.030	0.005	0.005	0.002	0.001
02/20/2026	1028.156	0.480	2.067	0.593	92.752	4.314	0.319	0.018	0.033	0.006	0.006	0.003	0.001
02/19/2026	1045.255	0.766	1.407	0.602	91.454	5.920	0.389	0.018	0.034	0.005	0.005	0.002	0.001
02/18/2026	1047.886	0.741	1.788	0.607	90.346	6.608	0.451	0.019	0.035	0.005	0.005	0.002	0.001
02/17/2026	1048.156	0.721	1.826	0.607	90.274	6.662	0.451	0.019	0.035	0.005	0.005	0.002	0.001
02/16/2026	1047.345	0.791	1.324	0.603	91.320	6.106	0.395	0.018	0.033	0.004	0.004	0.002	0.001
02/15/2026	1047.670	0.785	1.301	0.602	91.356	6.096	0.393	0.019	0.036	0.005	0.005	0.002	0.001
02/14/2026	1041.487	0.702	1.505	0.599	91.820	5.558	0.357	0.016	0.030	0.004	0.004	0.002	0.001
02/13/2026	1033.319	0.563	1.811	0.595	92.464	4.778	0.328	0.016	0.029	0.004	0.004	0.002	0.001
02/12/2026	1037.518	0.584	1.752	0.598	92.134	5.037	0.418	0.021	0.038	0.005	0.005	0.003	0.002
02/11/2026	1038.863	0.602	1.846	0.600	91.791	5.191	0.486	0.024	0.043	0.006	0.005	0.003	0.002
02/10/2026	1032.450	0.526	2.001	0.596	92.305	4.718	0.378	0.019	0.036	0.005	0.005	0.002	0.002
02/09/2026	1031.355	0.522	1.963	0.595	92.485	4.627	0.340	0.017	0.033	0.004	0.004	0.002	0.001
02/08/2026	1035.120	0.567	1.922	0.598	92.029	5.049	0.366	0.018	0.033	0.005	0.005	0.003	0.002
02/07/2026	1034.639	0.604	1.799	0.597	92.242	4.979	0.317	0.015	0.027	0.004	0.005	0.003	0.002
02/06/2026	1031.357	0.524	1.927	0.594	92.552	4.644	0.287	0.014	0.029	0.005	0.006	0.004	0.003
02/05/2026	1032.166	0.520	2.020	0.596	92.260	4.821	0.312	0.015	0.029	0.005	0.006	0.004	0.003
02/04/2026	1030.900	0.505	2.081	0.596	92.315	4.722	0.311	0.015	0.029	0.005	0.006	0.004	0.003
02/03/2026	1034.876	0.574	1.977	0.598	91.938	5.065	0.377	0.019	0.032	0.005	0.005	0.003	0.002
02/02/2026	1037.865	0.572	1.896	0.599	91.802	5.259	0.386	0.022	0.036	0.007	0.007	0.004	0.004
02/01/2026	1039.000	0.532	2.040	0.601	91.516	5.358	0.451	0.029	0.043	0.008	0.008	0.005	0.004
01/31/2026	1042.018	0.509	2.070	0.603	91.115	5.737	0.467	0.029	0.045	0.008	0.007	0.005	0.004
01/30/2026	1040.750	0.492	2.011	0.601	91.463	5.482	0.442	0.030	0.046	0.009	0.009	0.006	0.005
01/29/2026	1031.103	0.391	2.163	0.595	92.451	4.569	0.343	0.021	0.034	0.006	0.007	0.005	0.004
01/28/2026	1032.461	0.506	1.867	0.594	92.643	4.595	0.309	0.021	0.032	0.007	0.007	0.005	0.004
01/27/2026	1030.851	0.482	1.866	0.593	92.830	4.481	0.281	0.013	0.026	0.004	0.005	0.003	0.003
01/26/2026	1033.160	0.535	1.984	0.596	92.206	4.876	0.330	0.015	0.031	0.005	0.006	0.004	0.003
01/25/2026	1028.219	0.493	2.082	0.594	92.640	4.445	0.281	0.013	0.026	0.004	0.005	0.003	0.003
01/24/2026	1029.460	0.479	2.014	0.593	92.635	4.548	0.276	0.012	0.022	0.004	0.004	0.002	0.002
01/23/2026	1027.297	0.426	2.049	0.592	92.934	4.286	0.257	0.011	0.021	0.003	0.004	0.002	0.002
01/22/2026	1026.825	0.416	2.155	0.592	92.802	4.297	0.279	0.012	0.023	0.003	0.004	0.002	0.002
01/21/2026	1029.971	0.502	1.933	0.593	92.739	4.473	0.298	0.013	0.025	0.004	0.004	0.002	0.002
01/20/2026	1029.243	0.506	1.900	0.593	92.836	4.452	0.264	0.011	0.021	0.003	0.003	0.002	0.001
01/19/2026	1023.834	0.374	2.223	0.590	93.078	4.023	0.262	0.011	0.021	0.003	0.003	0.001	0.001
01/18/2026	1019.355	0.332	2.290	0.588	93.539	3.592	0.214	0.009	0.017	0.002	0.003	0.001	0.001
01/17/2026	1035.749	0.648	1.765	0.598	92.027	5.194	0.315	0.014	0.027	0.004	0.004	0.001	0.001
01/16/2026	1032.421	0.575	1.904	0.596	92.277	4.901	0.297	0.013	0.023	0.003	0.003	0.001	0.001
01/15/2026	1040.475	0.591	1.968	0.602	91.168	5.829	0.379	0.017	0.034	0.005	0.005	0.002	0.001
01/14/2026	1055.337	0.692	2.093	0.614	88.911	7.684	0.530	0.023	0.047	0.007	0.007	0.003	0.002
01/13/2026	1055.224	0.683	2.088	0.614	88.957	7.656	0.528	0.023	0.047	0.007	0.007	0.003	0.002
01/12/2026	1052.031	0.693	1.941	0.611	89.638	7.158	0.486	0.022	0.044	0.006	0.007	0.003	0.002
01/11/2026	1055.043	0.694	2.088	0.614	88.953	7.647	0.527	0.023	0.047	0.007	0.007	0.003	0.001
01/10/2026	1054.263	0.691	2.041	0.613	89.160	7.504	0.516	0.023	0.046	0.007	0.007	0.003	0.002
01/09/2026	1049.324	0.679	1.937	0.609	90.011	6.824	0.466	0.021	0.043	0.006	0.007	0.003	0.001
01/08/2026	1044.516	0.653	1.869	0.604	90.794	6.190	0.419	0.020	0.039	0.006	0.006	0.003	0.001
01/07/2026	1045.653	0.675	1.842	0.605	90.672	6.304	0.429	0.020	0.040	0.006	0.006	0.003	0.002
01/06/2026	1048.305	0.651	2.085	0.609	89.856	6.862	0.466	0.021	0.042	0.006	0.006	0.003	0.001
01/05/2026	1052.058	0.705	1.972	0.611	89.547	7.201	0.490	0.022	0.045	0.007	0.007	0.003	0.002
01/04/2026	1047.721	0.686	1.960	0.608	90.125	6.698	0.453	0.020	0.040	0.006	0.006	0.003	0.001
01/03/2026	1053.326	0.696	2.050	0.613	89.243	7.415	0.510	0.023	0.046	0.006	0.007	0.003	0.002
01/02/2026	1044.006	0.648	1.970	0.605	90.649	6.231	0.426	0.020	0.039	0.006	0.006	0.003	0.002
01/01/2026	1038.672	0.571	2.039	0.601	91.286	5.662	0.377	0.017	0.033	0.005	0.005	0.002	0.002