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Gas Quality / Gas Quality By Date

Date Requested: Aug 29 2025 3:56 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


08/29/2025	1084.194	0.955	2.562	0.642	83.655	11.963	0.800	0.021	0.040	0.002	0.003	0.000	0.000	0.000
08/28/2025	1084.725	0.958	2.558	0.642	83.600	12.009	0.807	0.022	0.042	0.002	0.003	0.000	0.000	0.000
08/27/2025	1083.365	0.939	2.531	0.641	83.924	11.697	0.831	0.024	0.047	0.003	0.003	0.000	0.000	0.000
08/26/2025	1058.529	0.761	2.268	0.619	87.894	8.445	0.575	0.017	0.033	0.003	0.003	0.000	0.000	0.000
08/25/2025	1058.086	0.785	2.188	0.618	88.103	8.274	0.589	0.018	0.035	0.003	0.003	0.000	0.000	0.000
08/24/2025	1075.355	0.939	2.396	0.634	85.235	10.565	0.793	0.022	0.041	0.003	0.003	0.000	0.000	0.000
08/23/2025	1070.075	0.940	2.186	0.629	86.348	9.735	0.718	0.022	0.042	0.004	0.004	0.001	0.001	0.000
08/22/2025	1068.856	0.950	2.186	0.628	86.428	9.693	0.673	0.021	0.039	0.004	0.004	0.001	0.001	0.000
08/21/2025	1074.905	0.934	2.366	0.633	85.348	10.536	0.733	0.027	0.045	0.005	0.004	0.001	0.001	0.000
08/20/2025	1082.702	0.974	2.447	0.640	84.130	11.554	0.806	0.029	0.049	0.005	0.004	0.000	0.000	0.000
08/19/2025	1089.658	1.005	2.596	0.646	82.968	12.390	0.941	0.032	0.057	0.005	0.005	0.001	0.001	0.000
08/18/2025	1068.639	0.913	2.052	0.626	86.926	9.320	0.701	0.027	0.049	0.005	0.005	0.001	0.001	0.000
08/17/2025	1035.604	0.612	1.807	0.597	92.066	5.117	0.346	0.015	0.028	0.004	0.004	0.001	0.001	0.000
08/16/2025	1027.730	0.517	1.810	0.591	93.205	4.160	0.267	0.012	0.022	0.003	0.003	0.001	0.001	0.000
08/15/2025	1032.577	0.620	1.689	0.594	92.652	4.701	0.295	0.013	0.024	0.003	0.003	0.001	0.001	0.000
08/14/2025	1030.006	0.589	1.793	0.593	92.773	4.546	0.259	0.011	0.021	0.003	0.003	0.001	0.001	0.000
08/13/2025	1030.402	0.603	1.800	0.594	92.675	4.622	0.258	0.012	0.022	0.003	0.003	0.001	0.001	0.000
08/12/2025	1031.163	0.612	1.797	0.594	92.598	4.663	0.281	0.013	0.026	0.004	0.004	0.001	0.001	0.000
08/11/2025	1035.640	0.713	1.683	0.598	92.077	5.159	0.320	0.014	0.026	0.003	0.003	0.000	0.000	0.000
08/10/2025	1035.700	0.735	1.619	0.597	92.129	5.161	0.307	0.012	0.022	0.003	0.003	0.000	0.000	0.006
08/09/2025	1034.587	0.689	1.658	0.596	92.287	5.029	0.296	0.012	0.022	0.003	0.003	0.000	0.000	0.000
08/08/2025	1035.034	0.641	1.820	0.598	91.988	5.192	0.318	0.012	0.022	0.003	0.003	0.000	0.000	0.000
08/07/2025	1046.209	0.773	1.829	0.607	90.341	6.574	0.430	0.016	0.030	0.003	0.003	0.000	0.000	0.000
08/06/2025	1052.282	0.911	1.583	0.610	89.830	7.170	0.448	0.018	0.032	0.003	0.003	0.000	0.000	0.000
08/05/2025	1056.760	0.869	1.925	0.616	88.638	7.978	0.527	0.019	0.036	0.003	0.003	0.000	0.000	0.000
08/04/2025	1054.291	0.738	2.274	0.616	88.492	7.869	0.559	0.020	0.039	0.004	0.004	0.001	0.001	0.000
08/03/2025	1050.346	0.728	2.108	0.612	89.372	7.211	0.514	0.020	0.038	0.004	0.004	0.001	0.001	0.000
08/02/2025	1043.233	0.697	1.959	0.605	90.594	6.282	0.412	0.016	0.031	0.004	0.004	0.001	0.001	0.000
08/01/2025	1033.430	0.641	1.847	0.597	92.134	5.033	0.300	0.013	0.025	0.003	0.003	0.001	0.001	0.000
07/31/2025	1028.717	0.556	1.918	0.593	92.738	4.480	0.267	0.012	0.023	0.003	0.003	0.001	0.001	0.000
07/30/2025	1029.183	0.545	1.852	0.593	92.845	4.434	0.268	0.013	0.024	0.004	0.004	0.001	0.001	0.011
07/29/2025	1033.918	0.631	1.681	0.595	92.472	4.879	0.291	0.013	0.025	0.003	0.003	0.001	0.001	0.000
07/28/2025	1034.126	0.605	1.679	0.595	92.489	4.886	0.285	0.013	0.024	0.004	0.004	0.001	0.001	0.009
07/27/2025	1042.941	0.745	1.693	0.603	91.128	5.988	0.388	0.016	0.032	0.004	0.004	0.001	0.001	0.000
07/26/2025	1050.439	0.645	2.306	0.613	89.158	7.252	0.568	0.020	0.041	0.004	0.004	0.001	0.001	0.000
07/25/2025	1034.462	0.532	2.139	0.599	91.621	5.307	0.356	0.013	0.025	0.003	0.003	0.000	0.000	0.000
07/24/2025	1045.069	0.671	2.161	0.608	89.948	6.732	0.436	0.015	0.027	0.003	0.003	0.000	0.000	0.003
07/23/2025	1043.382	0.822	1.547	0.603	91.170	6.059	0.352	0.014	0.025	0.004	0.005	0.000	0.000	0.000
07/22/2025	1051.842	0.774	2.096	0.613	89.038	7.552	0.489	0.016	0.029	0.003	0.003	0.000	0.000	0.000
07/21/2025	1051.514	0.669	2.341	0.614	88.781	7.644	0.514	0.016	0.030	0.002	0.002	0.000	0.000	0.000
07/20/2025	1059.110	0.762	2.353	0.620	87.613	8.623	0.579	0.018	0.034	0.004	0.003	0.000	0.000	0.010
07/19/2025	1067.786	0.893	2.356	0.628	86.238	9.773	0.656	0.020	0.037	0.004	0.003	0.000	0.000	0.020
07/18/2025	1055.066	0.861	1.857	0.614	88.995	7.731	0.499	0.017	0.031	0.003	0.003	0.001	0.001	0.000
07/17/2025	1054.230	0.841	1.918	0.614	89.017	7.668	0.498	0.017	0.032	0.004	0.004	0.001	0.001	0.000
07/16/2025	1054.434	0.783	2.116	0.615	88.721	7.783	0.526	0.020	0.038	0.005	0.005	0.001	0.001	0.001
07/15/2025	1057.433	0.804	2.100	0.617	88.414	8.011	0.587	0.023	0.046	0.006	0.006	0.001	0.001	0.000
07/14/2025	1051.295	0.716	2.042	0.611	89.469	7.181	0.514	0.021	0.042	0.006	0.006	0.001	0.001	0.000
07/13/2025	1049.620	0.673	2.103	0.610	89.652	6.993	0.493	0.023	0.045	0.007	0.008	0.002	0.002	0.000
07/12/2025	1041.472	0.629	2.123	0.605	90.704	5.970	0.454	0.024	0.051	0.008	0.009	0.002	0.002	0.024
07/11/2025	1049.014	0.714	2.243	0.612	89.283	7.154	0.509	0.022	0.043	0.006	0.007	0.002	0.002	0.015
07/10/2025	1046.716	0.721	2.155	0.610	89.777	6.786	0.478	0.022	0.044	0.007	0.007	0.002	0.002	0.000
07/09/2025	1032.147	0.623	2.105	0.598	91.846	5.029	0.324	0.018	0.037	0.007	0.007	0.002	0.002	0.000
07/08/2025	1037.401	0.642	1.944	0.600	91.561	5.404	0.365	0.020	0.043	0.008	0.009	0.002	0.002	0.000
07/07/2025	1033.420	0.514	2.076	0.597	92.114	4.823	0.374	0.023	0.051	0.010	0.011	0.002	0.002	0.000
07/06/2025	1028.957	0.441	2.222	0.595	92.456	4.457	0.335	0.020	0.046	0.008	0.011	0.002	0.002	0.000
07/05/2025	1031.776	0.588	2.014	0.597	92.154	4.866	0.310	0.017	0.035	0.006	0.007	0.001	0.001	0.000
07/04/2025	1031.372	0.605	1.926	0.596	92.343	4.764	0.300	0.015	0.031	0.006	0.006	0.001	0.001	0.000
07/03/2025	1032.595	0.660	1.828	0.596	92.233	4.950	0.280	0.013	0.025	0.004	0.004	0.001	0.001	0.000
07/02/2025	1033.967	0.707	1.794	0.598	92.004	5.180	0.272	0.011	0.022	0.004	0.004	0.001	0.001	0.000
07/01/2025	1048.071	0.883	1.589	0.607	90.427	6.626	0.409	0.018	0.034	0.005	0.006	0.001	0.001	0.000
06/30/2025	1055.120	0.984	1.526	0.613	89.546	7.374	0.483	0.023	0.047	0.007	0.008	0.001	0.001	0.000
06/29/2025	1071.289	1.286	1.184	0.624	87.701	9.123	0.597	0.029	0.057	0.009	0.010	0.002	0.002	0.000
06/28/2025	1061.012	1.020	1.563	0.618	88.753	7.977	0.575	0.030	0.060	0.009	0.009	0.002	0.002	0.000
06/27/2025	1048.323	0.735	1.884	0.608	90.189	6.620	0.477	0.024	0.048	0.008	0.009	0.002	0.002	0.001
06/26/2025	1056.313	0.689	2.281	0.617	88.517	7.766	0.629	0.032	0.060	0.010	0.009	0.002	0.002	0.003
06/25/2025	1055.379	0.709	2.079	0.614	88.979	7.545	0.580	0.029	0.054	0.008	0.008	0.002	0.002	0.006
06/24/2025	1056.667	0.685	2.223	0.616	88.505	7.900	0.582	0.027	0.049	0.008	0.007	0.002	0.002	0.011
06/23/2025	1060.751	0.787	2.168	0.620	87.923	8.412	0.613	0.027	0.052	0.008	0.008	0.002	0.002	0.000
06/22/2025	1056.269	0.774	2.025	0.615	88.818	7.723	0.564	0.027	0.050	0.008	0.008	0.002	0.002	0.000
06/21/2025	1060.226	0.715	2.354	0.620	87.727	8.482	0.628	0.027	0.050	0.007	0.007	0.001	0.001	0.000
06/20/2025	1056.680	0.648	2.379	0.617	88.201	8.041	0.603	0.026	0.051	0.008	0.007	0.001	0.001	0.033
06/19/2025	1062.638	0.697	2.434	0.623	87.274	8.862	0.641	0.026	0.049	0.007	0.006	0.001	0.001	0.001
06/18/2025	1063.775	0.681	2.491	0.624	87.043	9.040	0.655	0.026	0.048	0.006	0.006	0.001	0.001	0.000
06/17/2025	1062.541	0.650	2.490	0.622	87.289	8.824	0.653	0.027	0.050	0.007	0.007	0.002	0.002	0.000
06/16/2025	1058.392	0.559	2.275	0.616	88.508	7.951	0.606	0.028	0.053	0.008	0.008	0.002	0.002	0.000
06/15/2025	1054.713	0.651	2.162	0.614	88.970	7.568	0.556	0.026	0.049	0.007	0.007	0.002	0.002	0.000
06/14/2025	1053.986	0.642	2.168	0.613	89.081	7.463	0.550	0.027	0.050	0.008	0.008	0.002	0.002	0.000
06/13/2025	1051.838	0.562	2.214	0.611	89.402	7.189	0.535	0.026	0.049	0.007	0.007	0.002	0.002	0.005
06/12/2025	1050.177	0.494	2.355	0.611	89.469	7.044	0.546	0.026	0.048	0.007	0.007	0.002	0.002	0.000
06/11/2025	1062.621	0.638	2.476	0.622	87.346	8.788	0.657	0.027	0.051	0.007	0.007	0.002	0.002	0.000
06/10/2025	1060.453	0.595	2.485	0.620	87.715	8.455	0.650	0.028	0.053	0.008	0.007	0.002	0.002	0.000
06/09/2025	1058.357	0.599	2.462	0.619	87.996	8.219	0.627	0.027	0.051	0.007	0.007	0.002	0.002	0.000
06/08/2025	1049.476	0.802	1.910	0.610	89.857	6.844	0.485	0.025	0.054	0.009	0.010	0.002	0.002	0.000
06/07/2025	1054.807	0.666	2.188	0.614	88.959	7.475	0.601	0.031	0.059	0.009	0.009	0.002	0.002	0.000
06/06/2025	1052.218	0.505	2.409	0.613	89.106	7.295	0.585	0.028	0.052	0.008	0.008	0.002	0.002	0.000
06/05/2025	1048.701	0.578	2.153	0.609	89.894	6.775	0.512	0.025	0.046	0.007	0.007	0.002	0.002	0.000
06/04/2025	1054.799	0.587	2.245	0.614	88.948	7.528	0.582	0.028	0.052	0.008	0.008	0.002	0.002	0.009
06/03/2025	1052.577	0.473	2.351	0.612	89.256	7.246	0.575	0.028	0.051	0.008	0.008	0.002	0.002	0.000
06/02/2025	1052.797	0.715	1.920	0.611	89.565	7.211	0.507	0.024	0.043	0.006	0.006	0.002	0.002	0.000
06/01/2025	1051.286	0.630	2.116	0.611	89.547	7.091	0.525	0.025	0.047	0.007	0.007	0.002	0.002	0.000
05/31/2025	1051.951	0.507	2.330	0.612	89.339	7.143	0.573	0.029	0.056	0.009	0.009	0.002	0.002	0.000
05/30/2025	1049.306	0.505	2.273	0.609	89.790	6.778	0.545	0.029	0.057	0.009	0.009	0.002	0.002	0.000
05/29/2025	1050.058	0.565	2.209	0.610	89.694	6.883	0.541	0.029	0.056	0.009	0.010	0.002	0.002	0.000
05/28/2025	1034.768	0.546	1.985	0.598	92.002	5.036	0.349	0.020	0.043	0.008	0.008	0.002	0.002	0.000