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Gas Quality / Gas Quality By Date

Date Requested: Sep 18 2025 9:07 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


09/18/2025	1073.090	1.179	2.109	0.634	85.524	10.461	0.647	0.023	0.044	0.005	0.006	0.001	0.001
09/17/2025	1076.260	1.127	2.289	0.637	84.980	10.747	0.748	0.029	0.060	0.008	0.009	0.002	0.002
09/16/2025	1075.726	1.074	2.414	0.637	84.909	10.713	0.780	0.029	0.060	0.007	0.008	0.002	0.002
09/15/2025	1067.898	1.023	2.119	0.628	86.737	9.268	0.720	0.033	0.069	0.011	0.013	0.004	0.004
09/14/2025	1069.207	1.020	2.128	0.629	86.649	9.269	0.788	0.036	0.076	0.012	0.014	0.004	0.004
09/13/2025	1067.794	1.034	1.992	0.627	87.156	8.875	0.775	0.040	0.088	0.015	0.017	0.005	0.005
09/12/2025	1066.073	0.987	2.202	0.627	86.847	9.120	0.714	0.032	0.068	0.011	0.012	0.003	0.003
09/11/2025	1067.330	0.924	2.182	0.627	86.855	9.199	0.726	0.030	0.061	0.009	0.010	0.003	0.003
09/10/2025	1061.275	0.913	2.074	0.621	87.771	8.505	0.656	0.023	0.044	0.005	0.006	0.001	0.001
09/09/2025	1063.184	0.993	1.900	0.622	87.755	8.599	0.672	0.024	0.045	0.005	0.005	0.001	0.001
09/08/2025	1063.064	0.922	2.069	0.623	87.462	8.849	0.634	0.020	0.037	0.003	0.003	0.000	0.000
09/07/2025	1066.039	1.015	1.904	0.624	87.209	9.204	0.611	0.018	0.033	0.003	0.003	0.000	0.000
09/06/2025	1067.833	0.995	1.950	0.626	86.966	9.375	0.652	0.020	0.036	0.003	0.003	0.001	0.001
09/05/2025	1068.466	0.983	1.995	0.626	86.798	9.514	0.651	0.019	0.034	0.003	0.003	0.000	0.000
09/04/2025	1063.775	0.901	2.165	0.624	87.216	9.002	0.650	0.020	0.037	0.003	0.004	0.001	0.001
09/03/2025	1060.185	0.875	2.140	0.621	87.749	8.571	0.606	0.019	0.035	0.003	0.003	0.000	0.000
09/02/2025	1064.094	0.936	1.960	0.622	87.563	8.832	0.646	0.020	0.036	0.003	0.003	0.001	0.001
09/01/2025	1065.047	0.933	2.017	0.623	87.301	9.049	0.636	0.020	0.036	0.003	0.003	0.001	0.001
08/31/2025	1058.637	0.860	1.957	0.618	88.350	8.217	0.564	0.017	0.030	0.002	0.002	0.000	0.000
08/30/2025	1066.477	0.982	1.899	0.624	87.261	9.162	0.638	0.018	0.033	0.003	0.003	0.000	0.000
08/29/2025	1074.056	1.173	1.644	0.629	86.473	9.974	0.673	0.020	0.036	0.003	0.003	0.000	0.000
08/28/2025	1075.419	1.240	1.474	0.629	86.560	9.984	0.671	0.022	0.040	0.004	0.005	0.001	0.001
08/27/2025	1071.682	1.172	1.492	0.626	87.128	9.495	0.639	0.022	0.040	0.004	0.005	0.001	0.001
08/26/2025	1068.044	1.006	1.759	0.624	87.386	9.129	0.638	0.023	0.044	0.005	0.006	0.001	0.001
08/25/2025	1063.240	0.894	1.880	0.620	87.970	8.554	0.627	0.022	0.041	0.005	0.005	0.001	0.001
08/24/2025	1063.343	1.073	1.509	0.619	88.288	8.524	0.547	0.018	0.033	0.003	0.003	0.001	0.001
08/23/2025	1049.239	0.773	1.740	0.608	90.140	6.874	0.423	0.015	0.027	0.003	0.003	0.001	0.001
08/22/2025	1044.516	0.691	1.909	0.605	90.499	6.474	0.385	0.013	0.023	0.003	0.003	0.001	0.001
08/21/2025	1041.302	0.762	1.596	0.601	91.439	5.818	0.341	0.013	0.023	0.003	0.003	0.001	0.001
08/20/2025	1052.982	1.094	1.051	0.608	90.516	6.874	0.406	0.018	0.031	0.004	0.004	0.001	0.001
08/19/2025	1058.511	1.230	1.007	0.613	89.634	7.618	0.446	0.019	0.034	0.005	0.005	0.001	0.001
08/18/2025	1045.672	0.914	1.364	0.604	91.198	6.048	0.399	0.021	0.041	0.006	0.007	0.002	0.002
08/17/2025	1060.285	1.288	0.973	0.615	89.301	7.952	0.436	0.016	0.026	0.003	0.003	0.001	0.001
08/16/2025	1050.212	1.066	1.298	0.609	90.331	6.867	0.387	0.015	0.027	0.004	0.004	0.001	0.001
08/15/2025	1038.723	0.793	1.547	0.599	91.867	5.386	0.346	0.016	0.031	0.005	0.005	0.002	0.002
08/14/2025	1036.272	0.652	1.838	0.599	91.762	5.384	0.321	0.012	0.022	0.003	0.003	0.001	0.001
08/13/2025	1049.428	0.826	1.699	0.608	90.153	6.804	0.454	0.018	0.034	0.005	0.005	0.001	0.001
08/12/2025	1055.048	0.937	1.624	0.613	89.398	7.462	0.514	0.019	0.035	0.004	0.005	0.001	0.001
08/11/2025	1050.760	0.927	1.239	0.606	90.816	6.498	0.454	0.020	0.035	0.005	0.005	0.001	0.001
08/10/2025	1048.620	0.988	1.222	0.605	90.992	6.293	0.429	0.021	0.040	0.006	0.006	0.002	0.002
08/09/2025	1047.474	1.038	1.254	0.606	91.040	6.115	0.449	0.026	0.052	0.009	0.010	0.003	0.003
08/08/2025	1036.307	0.820	1.533	0.598	92.049	5.265	0.295	0.012	0.020	0.003	0.003	0.001	0.001
08/07/2025	1036.188	0.794	1.527	0.598	92.154	5.180	0.300	0.013	0.023	0.003	0.003	0.001	0.001
08/06/2025	1055.476	1.227	0.851	0.610	90.314	7.162	0.393	0.016	0.027	0.004	0.003	0.001	0.001
08/05/2025	1064.883	1.402	0.639	0.616	89.239	8.212	0.456	0.017	0.028	0.003	0.003	0.000	0.000
08/04/2025	1056.930	1.249	0.903	0.612	89.974	7.409	0.414	0.016	0.027	0.004	0.003	0.001	0.001
08/03/2025	1057.136	1.291	0.765	0.611	90.214	7.229	0.444	0.018	0.031	0.004	0.003	0.001	0.001
08/02/2025	1056.962	1.189	0.819	0.610	90.387	7.094	0.431	0.022	0.040	0.006	0.007	0.002	0.002
08/01/2025	1062.572	1.048	1.398	0.617	88.754	8.159	0.569	0.022	0.040	0.005	0.005	0.001	0.001
07/31/2025	1093.907	1.003	2.663	0.650	82.279	12.970	1.001	0.027	0.051	0.003	0.003	0.000	0.000
07/30/2025	1062.919	1.219	0.921	0.615	89.348	7.924	0.529	0.019	0.033	0.003	0.003	0.000	0.000
07/29/2025	1063.388	1.199	0.950	0.615	89.258	8.013	0.520	0.019	0.032	0.003	0.003	0.000	0.000
07/28/2025	1058.546	1.314	0.735	0.612	90.046	7.414	0.427	0.019	0.034	0.005	0.005	0.001	0.001
07/27/2025	1056.347	1.212	0.944	0.611	90.124	7.193	0.455	0.021	0.037	0.005	0.005	0.001	0.001
07/26/2025	1066.889	1.182	1.447	0.623	87.836	8.814	0.654	0.022	0.038	0.003	0.003	0.000	0.000
07/25/2025	1070.032	1.140	1.588	0.625	87.233	9.292	0.669	0.024	0.044	0.004	0.004	0.001	0.001
07/24/2025	1060.551	1.085	1.396	0.616	88.868	8.057	0.534	0.019	0.034	0.003	0.003	0.000	0.000
07/23/2025	1053.492	1.170	0.863	0.608	90.694	6.814	0.402	0.018	0.030	0.004	0.003	0.001	0.001
07/22/2025	1052.692	1.159	0.967	0.608	90.572	6.856	0.390	0.018	0.030	0.004	0.004	0.001	0.001
07/21/2025	1050.394	1.076	1.044	0.606	90.886	6.558	0.374	0.019	0.032	0.005	0.005	0.001	0.001
07/20/2025	1054.555	1.148	1.024	0.610	90.295	7.035	0.426	0.021	0.038	0.005	0.005	0.001	0.001
07/19/2025	1056.855	1.223	0.990	0.612	89.883	7.405	0.439	0.019	0.032	0.004	0.004	0.001	0.001
07/18/2025	1068.532	1.406	0.662	0.619	88.755	8.624	0.496	0.019	0.031	0.003	0.003	0.001	0.001
07/17/2025	1076.885	1.344	1.218	0.629	86.700	10.004	0.667	0.022	0.037	0.003	0.003	0.000	0.000
07/16/2025	1073.503	1.406	0.889	0.625	87.624	9.473	0.554	0.019	0.030	0.003	0.002	0.000	0.000
07/15/2025	1075.057	1.667	0.621	0.627	87.400	9.747	0.508	0.019	0.031	0.003	0.003	0.000	0.000
07/14/2025	1064.897	1.403	0.871	0.619	88.685	8.540	0.452	0.017	0.027	0.003	0.002	0.000	0.000
07/13/2025	1066.108	1.551	0.815	0.621	88.388	8.684	0.503	0.019	0.032	0.004	0.003	0.001	0.001
07/12/2025	1053.575	1.047	1.323	0.611	89.912	7.235	0.435	0.016	0.026	0.003	0.002	0.000	0.000
07/11/2025	1046.917	0.881	1.583	0.606	90.519	6.571	0.402	0.014	0.024	0.002	0.002	0.000	0.000
07/10/2025	1064.983	1.139	1.420	0.620	88.134	8.690	0.557	0.019	0.033	0.003	0.003	0.000	0.000
07/09/2025	1075.705	1.367	1.160	0.628	86.867	9.940	0.601	0.021	0.036	0.004	0.003	0.000	0.000
07/08/2025	1075.629	1.272	1.640	0.632	86.024	10.354	0.645	0.020	0.036	0.003	0.003	0.001	0.001
07/07/2025	1085.336	1.030	2.682	0.645	83.086	12.304	0.833	0.022	0.040	0.002	0.002	0.000	0.000
07/06/2025	1090.781	1.040	2.681	0.649	82.480	12.785	0.938	0.025	0.046	0.002	0.002	0.000	0.000
07/05/2025	1085.812	1.043	2.663	0.645	83.016	12.397	0.819	0.021	0.037	0.002	0.002	0.000	0.000
07/04/2025	1049.092	0.934	1.312	0.606	90.793	6.506	0.387	0.019	0.035	0.006	0.006	0.002	0.002
07/03/2025	1049.855	0.860	1.437	0.606	90.557	6.689	0.397	0.016	0.031	0.004	0.004	0.001	0.001
07/02/2025	1064.765	0.933	2.189	0.625	86.958	9.211	0.642	0.020	0.038	0.004	0.004	0.001	0.001
07/01/2025	1068.274	0.883	2.459	0.629	86.075	9.792	0.718	0.022	0.042	0.004	0.004	0.001	0.001
06/30/2025	1028.132	0.720	1.913	0.595	92.513	4.512	0.277	0.016	0.032	0.006	0.007	0.003	0.003
06/29/2025	1022.509	0.487	2.020	0.589	93.657	3.435	0.292	0.023	0.052	0.011	0.012	0.005	0.005
06/28/2025	1024.100	0.522	2.004	0.591	93.309	3.820	0.266	0.017	0.038	0.008	0.009	0.004	0.004
06/27/2025	1028.166	0.658	1.788	0.593	92.823	4.464	0.231	0.010	0.018	0.003	0.003	0.001	0.001
06/26/2025	1050.425	1.096	1.148	0.608	90.687	6.570	0.417	0.022	0.042	0.007	0.008	0.002	0.002
06/25/2025	1063.513	1.316	0.788	0.616	89.580	7.613	0.564	0.035	0.071	0.012	0.013	0.004	0.004
06/24/2025	1047.016	1.025	1.358	0.607	90.907	6.159	0.435	0.027	0.058	0.011	0.012	0.004	0.004
06/23/2025	1045.819	1.103	1.269	0.606	90.917	6.273	0.367	0.018	0.036	0.006	0.007	0.002	0.002
06/22/2025	1045.941	1.159	1.244	0.607	90.856	6.265	0.407	0.019	0.035	0.006	0.006	0.001	0.001
06/21/2025	1050.085	1.234	1.122	0.609	90.458	6.684	0.427	0.021	0.038	0.006	0.006	0.002	0.002
06/20/2025	1064.220	1.532	0.818	0.620	88.703	8.370	0.507	0.021	0.036	0.005	0.005	0.001	0.001
06/19/2025	1038.977	0.936	1.485	0.601	91.660	5.509	0.342	0.017	0.034	0.006	0.007	0.002	0.002
06/18/2025	1039.635	0.896	1.486	0.601	91.729	5.436	0.368	0.021	0.042	0.008	0.009	0.003	0.003
06/17/2025	1028.776	0.648	1.821	0.594	92.836	4.328	0.297	0.017	0.035	0.007	0.007	0.002	0.002