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Gas Quality / Gas Quality By Date

Date Requested: Oct 18 2025 3:45 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


10/18/2025	1032.752	0.634	1.879	0.597	92.408	4.594	0.361	0.028	0.061	0.012	0.013	0.005	0.005
10/17/2025	1033.091	0.673	1.792	0.597	92.448	4.616	0.356	0.026	0.057	0.011	0.012	0.004	0.004
10/16/2025	1039.511	0.799	1.550	0.600	91.921	5.229	0.379	0.028	0.061	0.011	0.013	0.004	0.004
10/15/2025	1034.854	0.707	1.675	0.597	92.354	4.832	0.329	0.024	0.052	0.009	0.011	0.004	0.004
10/14/2025	1029.132	0.624	1.837	0.594	92.802	4.392	0.266	0.018	0.039	0.007	0.008	0.003	0.003
10/13/2025	1030.899	0.631	1.765	0.594	92.712	4.547	0.273	0.017	0.035	0.007	0.007	0.003	0.003
10/12/2025	1039.195	0.793	1.607	0.600	91.756	5.393	0.358	0.022	0.047	0.008	0.009	0.003	0.003
10/11/2025	1039.784	0.831	1.597	0.601	91.579	5.566	0.340	0.021	0.044	0.008	0.009	0.003	0.003
10/10/2025	1039.881	0.864	1.554	0.601	91.537	5.656	0.313	0.018	0.038	0.007	0.008	0.003	0.003
10/09/2025	1038.193	0.806	1.582	0.600	91.829	5.396	0.309	0.018	0.039	0.007	0.008	0.003	0.003
10/08/2025	1037.415	0.758	1.634	0.599	91.967	5.216	0.338	0.021	0.044	0.008	0.008	0.003	0.003
10/07/2025	1014.859	0.242	2.402	0.584	94.098	3.013	0.195	0.012	0.023	0.005	0.005	0.003	0.003
10/06/2025	1010.759	0.144	2.536	0.582	94.558	2.520	0.184	0.013	0.027	0.006	0.006	0.003	0.003
10/05/2025	1013.261	0.254	2.358	0.583	94.385	2.764	0.184	0.013	0.026	0.006	0.006	0.003	0.003
10/04/2025	1009.913	0.196	2.584	0.583	94.408	2.587	0.177	0.011	0.022	0.005	0.005	0.003	0.003
10/03/2025	1019.185	0.385	2.232	0.588	93.651	3.437	0.244	0.013	0.024	0.005	0.005	0.003	0.003
10/02/2025	1042.255	0.972	1.358	0.603	91.436	5.820	0.349	0.017	0.033	0.005	0.006	0.002	0.002
10/01/2025	1046.124	0.982	1.309	0.605	91.090	6.166	0.373	0.020	0.040	0.007	0.008	0.002	0.002
09/30/2025	1050.635	1.026	1.103	0.606	90.815	6.635	0.364	0.016	0.029	0.005	0.005	0.001	0.001
09/29/2025	1048.742	1.044	1.336	0.608	90.565	6.570	0.408	0.020	0.040	0.007	0.007	0.002	0.002
09/28/2025	1058.019	1.232	1.123	0.614	89.531	7.540	0.477	0.025	0.051	0.008	0.009	0.002	0.002
09/27/2025	1033.697	0.657	1.893	0.598	92.037	5.018	0.326	0.017	0.034	0.006	0.007	0.003	0.003
09/26/2025	1022.491	0.395	2.223	0.590	93.213	3.874	0.245	0.013	0.025	0.005	0.005	0.002	0.002
09/25/2025	1024.179	0.424	2.230	0.592	92.958	4.053	0.276	0.015	0.029	0.005	0.006	0.002	0.002
09/24/2025	1021.191	0.396	2.222	0.589	93.431	3.626	0.263	0.015	0.030	0.006	0.006	0.003	0.003
09/23/2025	1015.451	0.259	2.330	0.584	94.198	2.931	0.221	0.014	0.028	0.006	0.006	0.003	0.003
09/22/2025	1029.152	0.540	2.026	0.594	92.592	4.453	0.315	0.018	0.036	0.007	0.007	0.003	0.003
09/21/2025	1042.213	0.828	1.626	0.603	91.259	5.807	0.388	0.023	0.046	0.008	0.009	0.003	0.003
09/20/2025	1051.102	1.009	1.436	0.610	90.240	6.734	0.475	0.027	0.055	0.009	0.010	0.003	0.003
09/19/2025	1039.171	0.759	1.768	0.602	91.481	5.510	0.394	0.022	0.044	0.007	0.008	0.003	0.003
09/18/2025	1035.561	0.755	1.788	0.599	91.872	5.142	0.361	0.020	0.041	0.007	0.008	0.003	0.003
09/17/2025	1053.817	1.209	1.235	0.613	89.882	7.098	0.472	0.026	0.054	0.009	0.010	0.003	0.003
09/16/2025	1064.027	1.420	1.022	0.620	88.631	8.287	0.528	0.027	0.057	0.010	0.011	0.003	0.003
09/15/2025	1058.044	1.186	1.311	0.616	89.560	7.124	0.639	0.041	0.091	0.017	0.019	0.006	0.006
09/14/2025	1024.016	0.396	2.190	0.591	93.281	3.715	0.316	0.022	0.050	0.010	0.011	0.004	0.004
09/13/2025	1026.753	0.502	2.095	0.593	93.010	3.900	0.364	0.027	0.063	0.013	0.014	0.005	0.005
09/12/2025	1024.060	0.425	2.309	0.592	93.116	3.627	0.372	0.032	0.068	0.015	0.017	0.009	0.009
09/11/2025	1023.634	0.322	2.382	0.591	93.274	3.494	0.365	0.035	0.071	0.016	0.018	0.011	0.011
09/10/2025	1048.680	0.944	1.626	0.609	90.603	6.043	0.578	0.045	0.104	0.019	0.022	0.007	0.007
09/09/2025	1047.634	0.870	1.610	0.607	90.756	6.092	0.526	0.033	0.074	0.014	0.015	0.005	0.005
09/08/2025	1042.824	0.821	1.589	0.603	91.386	5.627	0.478	0.025	0.051	0.008	0.009	0.003	0.003
09/07/2025	1053.560	1.001	1.376	0.610	90.234	6.678	0.584	0.032	0.068	0.010	0.011	0.003	0.003
09/06/2025	1036.817	0.687	1.877	0.600	91.724	5.228	0.387	0.024	0.047	0.008	0.009	0.005	0.005
09/05/2025	1053.917	1.039	1.289	0.610	89.986	7.200	0.427	0.017	0.032	0.004	0.004	0.001	0.001
09/04/2025	1051.385	0.999	1.359	0.609	90.230	6.938	0.417	0.017	0.031	0.004	0.004	0.001	0.001
09/03/2025	1052.664	1.014	1.314	0.609	90.139	7.052	0.423	0.017	0.032	0.004	0.004	0.001	0.001
09/02/2025	1043.161	0.826	1.658	0.604	91.040	5.998	0.406	0.019	0.037	0.006	0.006	0.003	0.003
09/01/2025	1023.151	0.300	2.298	0.590	93.457	3.495	0.329	0.026	0.048	0.011	0.012	0.012	0.012
08/31/2025	1036.257	0.701	2.112	0.602	91.377	5.241	0.430	0.031	0.060	0.013	0.015	0.010	0.010
08/30/2025	1036.909	0.685	1.789	0.599	91.919	5.149	0.370	0.018	0.034	0.006	0.006	0.012	0.012
08/29/2025	1036.801	0.712	1.639	0.598	92.035	5.237	0.331	0.013	0.024	0.003	0.003	0.001	0.001
08/28/2025	1036.832	0.740	1.578	0.598	92.067	5.273	0.303	0.011	0.020	0.003	0.003	0.001	0.001
08/27/2025	1047.713	0.848	1.672	0.607	90.836	5.966	0.476	0.036	0.072	0.018	0.023	0.027	0.027
08/26/2025	1054.732	0.851	2.404	0.620	89.132	6.344	0.829	0.092	0.176	0.044	0.051	0.038	0.038
08/25/2025	1039.620	0.482	2.357	0.604	91.789	4.462	0.520	0.057	0.116	0.036	0.049	0.065	0.065
08/24/2025	1049.759	0.737	2.610	0.617	89.533	5.860	0.820	0.096	0.185	0.045	0.052	0.031	0.031
08/23/2025	1040.754	0.600	2.241	0.605	91.322	5.009	0.524	0.054	0.105	0.028	0.035	0.040	0.040
08/22/2025	1038.024	0.664	1.609	0.598	92.042	5.327	0.312	0.013	0.024	0.003	0.003	0.001	0.001
08/21/2025	1032.416	0.502	2.291	0.599	92.096	4.460	0.446	0.047	0.089	0.021	0.025	0.011	0.011
08/20/2025	1031.369	0.601	1.671	0.593	92.829	4.609	0.255	0.010	0.018	0.003	0.003	0.001	0.001
08/19/2025	1054.917	1.135	1.073	0.610	90.145	7.157	0.427	0.018	0.033	0.005	0.005	0.001	0.001
08/18/2025	1044.756	0.904	1.443	0.604	91.058	6.178	0.364	0.015	0.028	0.004	0.004	0.001	0.001
08/17/2025	1032.258	0.625	1.791	0.595	92.458	4.779	0.295	0.013	0.026	0.004	0.005	0.002	0.002
08/16/2025	1023.304	0.419	1.963	0.588	93.657	3.670	0.238	0.013	0.026	0.005	0.005	0.002	0.002
08/15/2025	1025.879	0.473	1.879	0.590	93.419	3.913	0.257	0.014	0.029	0.005	0.006	0.002	0.002
08/14/2025	1027.424	0.506	1.829	0.591	93.275	4.060	0.269	0.014	0.030	0.005	0.006	0.002	0.002
08/13/2025	1027.729	0.513	1.819	0.591	93.246	4.090	0.271	0.015	0.030	0.005	0.006	0.002	0.002
08/12/2025	1027.939	0.519	1.811	0.591	93.225	4.113	0.272	0.015	0.030	0.005	0.006	0.002	0.002
08/11/2025	1028.107	0.523	1.803	0.591	93.209	4.131	0.272	0.015	0.030	0.005	0.006	0.002	0.002
08/10/2025	1028.298	0.529	1.795	0.591	93.190	4.152	0.273	0.015	0.030	0.005	0.006	0.002	0.002
08/09/2025	1028.518	0.533	1.788	0.591	93.167	4.177	0.274	0.015	0.030	0.005	0.006	0.002	0.002
08/08/2025	1028.475	0.534	1.788	0.591	93.170	4.175	0.273	0.015	0.030	0.005	0.006	0.002	0.002
08/07/2025	1028.335	0.531	1.791	0.591	93.186	4.159	0.272	0.014	0.030	0.005	0.006	0.002	0.002
08/06/2025	1028.260	0.529	1.793	0.591	93.197	4.148	0.272	0.014	0.030	0.005	0.006	0.002	0.002
08/05/2025	1028.234	0.529	1.792	0.591	93.203	4.144	0.272	0.014	0.030	0.005	0.006	0.002	0.002
08/04/2025	1028.089	0.526	1.796	0.591	93.218	4.128	0.271	0.014	0.030	0.005	0.006	0.002	0.002
08/03/2025	1028.044	0.526	1.797	0.591	93.222	4.124	0.272	0.014	0.030	0.005	0.006	0.002	0.002
08/02/2025	1029.437	0.559	1.747	0.592	93.087	4.271	0.277	0.015	0.030	0.005	0.006	0.002	0.002
08/01/2025	1026.647	0.492	1.843	0.590	93.371	3.971	0.263	0.014	0.028	0.005	0.005	0.004	0.004
07/31/2025	1046.251	0.957	1.084	0.602	91.611	5.911	0.377	0.017	0.033	0.005	0.005	0.001	0.001
07/30/2025	1042.260	0.926	1.188	0.600	91.861	5.662	0.320	0.013	0.023	0.003	0.003	0.001	0.001
07/29/2025	1014.164	0.260	2.308	0.583	94.240	3.029	0.142	0.005	0.011	0.002	0.002	0.001	0.001
07/28/2025	1015.284	0.291	2.274	0.584	94.111	3.154	0.149	0.005	0.011	0.002	0.002	0.001	0.001
07/27/2025	1015.042	0.284	2.282	0.584	94.137	3.128	0.148	0.005	0.011	0.002	0.002	0.001	0.001
07/26/2025	1016.046	0.312	2.250	0.585	94.025	3.239	0.154	0.006	0.011	0.002	0.002	0.001	0.001
07/25/2025	1019.456	0.402	2.142	0.587	93.646	3.612	0.175	0.006	0.012	0.002	0.002	0.001	0.001
07/24/2025	1021.563	0.451	2.080	0.589	93.421	3.833	0.189	0.007	0.014	0.002	0.002	0.000	0.000
07/23/2025	1022.507	0.468	2.054	0.589	93.328	3.927	0.196	0.007	0.015	0.002	0.002	0.000	0.000
07/22/2025	1023.228	0.479	2.034	0.590	93.261	3.997	0.201	0.008	0.015	0.002	0.002	0.000	0.000
07/21/2025	1023.218	0.479	2.034	0.590	93.262	3.996	0.201	0.008	0.015	0.002	0.002	0.000	0.000
07/20/2025	1022.504	0.468	2.054	0.589	93.327	3.927	0.196	0.007	0.015	0.002	0.002	0.000	0.000
07/19/2025	1023.344	0.481	2.031	0.590	93.250	4.008	0.202	0.008	0.015	0.002	0.002	0.000	0.000
07/18/2025	1023.982	0.490	2.015	0.590	93.189	4.071	0.206	0.008	0.016	0.002	0.002	0.000	0.000
07/17/2025	1025.081	0.512	1.990	0.591	93.062	4.190	0.215	0.008	0.016	0.002	0.002	0.001	0.001