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Gas Quality / Gas Quality By Date

Date Requested: Oct 18 2025 3:42 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	1008.840	0.171	2.463	0.580	94.786	2.417	0.136	0.007	0.013	0.002	0.002	0.001	0.001
10/17/2025	1010.386	0.174	2.373	0.580	94.816	2.456	0.149	0.008	0.016	0.003	0.003	0.001	0.001
10/16/2025	1007.816	0.146	2.507	0.580	94.885	2.297	0.135	0.007	0.015	0.003	0.003	0.001	0.001
10/15/2025	1006.861	0.127	2.493	0.579	95.052	2.184	0.122	0.006	0.012	0.002	0.002	0.000	0.000
10/14/2025	1004.984	0.106	2.543	0.578	95.208	2.018	0.103	0.006	0.011	0.002	0.002	0.000	0.000
10/13/2025	1004.953	0.107	2.570	0.578	95.142	2.062	0.097	0.006	0.011	0.002	0.002	0.000	0.000
10/12/2025	1007.310	0.139	2.483	0.579	94.985	2.256	0.113	0.006	0.012	0.002	0.002	0.001	0.001
10/11/2025	1009.196	0.158	2.446	0.580	94.802	2.440	0.129	0.007	0.013	0.002	0.002	0.001	0.001
10/10/2025	1012.805	0.213	2.463	0.583	94.231	2.877	0.184	0.009	0.017	0.003	0.002	0.001	0.001
10/09/2025	1011.608	0.187	2.556	0.583	94.213	2.846	0.169	0.008	0.015	0.002	0.002	0.001	0.001
10/08/2025	1012.624	0.203	2.491	0.583	94.217	2.872	0.186	0.008	0.017	0.003	0.003	0.001	0.001
10/07/2025	1012.927	0.228	2.512	0.584	94.092	2.931	0.202	0.009	0.018	0.003	0.003	0.001	0.001
10/06/2025	1013.900	0.204	2.401	0.583	94.267	2.898	0.196	0.009	0.018	0.003	0.002	0.001	0.001
10/05/2025	1011.646	0.172	2.470	0.582	94.449	2.705	0.173	0.008	0.016	0.003	0.003	0.001	0.001
10/04/2025	1014.563	0.194	2.446	0.584	94.155	2.942	0.216	0.012	0.026	0.004	0.004	0.001	0.001
10/03/2025	1010.852	0.185	2.479	0.582	94.511	2.612	0.177	0.009	0.019	0.003	0.003	0.001	0.001
10/02/2025	1010.225	0.189	2.516	0.582	94.499	2.587	0.176	0.009	0.017	0.003	0.003	0.001	0.001
10/01/2025	1009.142	0.163	2.601	0.582	94.497	2.531	0.175	0.008	0.016	0.003	0.003	0.001	0.001
09/30/2025	1009.996	0.183	2.680	0.583	94.172	2.746	0.187	0.009	0.017	0.003	0.003	0.001	0.001
09/29/2025	1008.883	0.171	2.640	0.582	94.422	2.559	0.175	0.008	0.016	0.003	0.003	0.001	0.001
09/28/2025	1011.270	0.171	2.516	0.582	94.411	2.685	0.184	0.009	0.017	0.003	0.003	0.001	0.001
09/27/2025	1011.637	0.185	2.504	0.583	94.363	2.724	0.193	0.008	0.016	0.003	0.003	0.001	0.001
09/26/2025	1010.912	0.174	2.441	0.581	94.615	2.558	0.180	0.008	0.016	0.003	0.003	0.001	0.001
09/25/2025	1012.186	0.127	2.513	0.582	94.381	2.769	0.185	0.007	0.013	0.002	0.002	0.001	0.001
09/24/2025	1009.706	0.130	2.572	0.581	94.553	2.544	0.173	0.007	0.014	0.002	0.002	0.001	0.001
09/23/2025	1007.775	0.136	2.587	0.580	94.736	2.361	0.155	0.007	0.013	0.002	0.002	0.001	0.001
09/22/2025	1007.191	0.118	2.412	0.578	95.233	2.087	0.123	0.007	0.014	0.003	0.003	0.001	0.001
09/21/2025	1007.823	0.133	2.396	0.578	95.167	2.139	0.136	0.007	0.014	0.003	0.002	0.001	0.001
09/20/2025	1010.037	0.160	2.424	0.580	94.782	2.438	0.165	0.008	0.015	0.003	0.003	0.001	0.001
09/19/2025	1013.821	0.219	2.240	0.582	94.619	2.699	0.187	0.010	0.019	0.003	0.003	0.001	0.001
09/18/2025	1019.176	0.244	2.182	0.585	94.067	3.215	0.249	0.012	0.022	0.003	0.003	0.001	0.001
09/17/2025	1017.776	0.221	2.256	0.584	94.116	3.132	0.236	0.011	0.021	0.003	0.003	0.001	0.001
09/16/2025	1012.380	0.149	2.321	0.581	94.771	2.549	0.172	0.010	0.020	0.003	0.003	0.001	0.001
09/15/2025	1010.177	0.150	2.548	0.582	94.541	2.540	0.180	0.010	0.022	0.004	0.004	0.001	0.001
09/14/2025	1009.676	0.135	2.424	0.580	94.907	2.329	0.168	0.009	0.019	0.003	0.003	0.001	0.001
09/13/2025	1009.572	0.124	2.451	0.580	94.848	2.399	0.149	0.007	0.014	0.003	0.003	0.001	0.001
09/12/2025	1008.729	0.098	2.477	0.579	94.940	2.327	0.129	0.006	0.014	0.003	0.003	0.001	0.001
09/11/2025	1006.072	0.103	2.548	0.578	95.110	2.085	0.120	0.007	0.017	0.003	0.004	0.001	0.001
09/10/2025	1003.795	0.102	2.585	0.577	95.287	1.897	0.105	0.006	0.012	0.003	0.003	0.001	0.001
09/09/2025	1007.538	0.113	2.506	0.579	95.005	2.210	0.133	0.008	0.016	0.003	0.004	0.001	0.001
09/08/2025	1010.760	0.118	2.483	0.581	94.664	2.540	0.154	0.009	0.021	0.004	0.004	0.001	0.001
09/07/2025	1009.504	0.118	2.516	0.580	94.713	2.483	0.139	0.007	0.015	0.003	0.003	0.001	0.001
09/06/2025	1009.128	0.115	2.419	0.579	95.031	2.240	0.157	0.009	0.018	0.004	0.004	0.002	0.002
09/05/2025	1012.593	0.153	2.287	0.580	94.811	2.535	0.179	0.009	0.018	0.003	0.003	0.001	0.001
09/04/2025	1016.163	0.172	2.256	0.583	94.422	2.892	0.217	0.011	0.021	0.003	0.003	0.001	0.001
09/03/2025	1019.447	0.169	2.242	0.585	94.070	3.222	0.253	0.012	0.023	0.003	0.003	0.001	0.001
09/02/2025	1015.262	0.174	2.236	0.582	94.564	2.782	0.205	0.010	0.021	0.003	0.003	0.001	0.001
09/01/2025	1019.237	0.220	2.198	0.585	94.101	3.176	0.256	0.013	0.027	0.004	0.004	0.001	0.001
08/31/2025	1017.674	0.203	2.436	0.586	93.769	3.304	0.244	0.012	0.024	0.003	0.003	0.001	0.001
08/30/2025	1010.632	0.138	2.721	0.583	94.100	2.824	0.178	0.010	0.020	0.004	0.004	0.001	0.001
08/29/2025	1010.461	0.146	2.624	0.582	94.320	2.700	0.174	0.009	0.019	0.003	0.003	0.001	0.001
08/28/2025	1012.917	0.144	2.173	0.579	95.018	2.484	0.152	0.007	0.014	0.003	0.003	0.001	0.001
08/27/2025	1014.341	0.149	2.289	0.581	94.659	2.655	0.189	0.013	0.026	0.006	0.006	0.003	0.003
08/26/2025	1011.983	0.162	2.178	0.579	95.049	2.455	0.132	0.006	0.012	0.002	0.002	0.001	0.001
08/25/2025	1014.336	0.189	2.195	0.581	94.692	2.726	0.168	0.008	0.016	0.003	0.003	0.001	0.001
08/24/2025	1017.663	0.204	2.115	0.583	94.446	3.002	0.199	0.009	0.018	0.003	0.003	0.001	0.001
08/23/2025	1019.918	0.216	1.991	0.583	94.417	3.138	0.203	0.009	0.018	0.003	0.003	0.001	0.001
08/22/2025	1021.788	0.320	2.231	0.588	93.450	3.690	0.269	0.011	0.021	0.003	0.003	0.001	0.001
08/21/2025	1017.277	0.215	2.263	0.584	94.144	3.135	0.210	0.009	0.017	0.003	0.003	0.002	0.002
08/20/2025	1013.831	0.176	2.353	0.582	94.426	2.844	0.171	0.007	0.015	0.003	0.003	0.001	0.001
08/19/2025	1009.846	0.154	2.358	0.579	94.921	2.416	0.130	0.006	0.011	0.002	0.002	0.001	0.001
08/18/2025	1009.887	0.145	2.387	0.580	94.874	2.440	0.133	0.005	0.011	0.002	0.002	0.001	0.001
08/17/2025	1012.329	0.166	2.313	0.581	94.704	2.638	0.153	0.007	0.013	0.002	0.002	0.001	0.001
08/16/2025	1012.244	0.162	2.269	0.580	94.813	2.593	0.140	0.006	0.012	0.002	0.002	0.001	0.001
08/15/2025	1015.432	0.181	2.310	0.583	94.310	2.991	0.180	0.008	0.015	0.002	0.002	0.001	0.001
08/14/2025	1014.011	0.162	2.401	0.583	94.343	2.877	0.184	0.008	0.016	0.003	0.003	0.001	0.001
08/13/2025	1012.325	0.145	2.420	0.582	94.538	2.700	0.165	0.008	0.016	0.003	0.003	0.002	0.002
08/12/2025	1009.972	0.096	2.509	0.580	94.684	2.564	0.127	0.005	0.010	0.002	0.002	0.001	0.001
08/11/2025	1009.478	0.089	2.425	0.579	94.961	2.377	0.126	0.005	0.011	0.002	0.002	0.001	0.001
08/10/2025	1010.672	0.122	2.408	0.580	94.762	2.565	0.124	0.005	0.010	0.002	0.002	0.000	0.000
08/09/2025	1011.413	0.081	2.506	0.581	94.552	2.701	0.138	0.005	0.012	0.002	0.002	0.000	0.000
08/08/2025	1012.684	0.110	2.368	0.581	94.660	2.688	0.148	0.007	0.014	0.002	0.002	0.001	0.001
08/07/2025	1013.033	0.150	2.436	0.582	94.398	2.811	0.175	0.008	0.015	0.003	0.003	0.001	0.001
08/06/2025	1009.401	0.128	2.541	0.581	94.670	2.470	0.158	0.008	0.017	0.003	0.003	0.001	0.001
08/05/2025	1007.993	0.154	2.552	0.580	94.762	2.345	0.156	0.008	0.016	0.003	0.003	0.001	0.001
08/04/2025	1011.963	0.218	2.540	0.584	94.249	2.706	0.234	0.014	0.028	0.004	0.004	0.001	0.001
08/03/2025	1011.063	0.176	2.476	0.582	94.543	2.570	0.194	0.010	0.021	0.003	0.003	0.001	0.001
08/02/2025	1012.174	0.174	2.340	0.581	94.723	2.533	0.187	0.010	0.023	0.004	0.004	0.001	0.001
08/01/2025	1013.322	0.169	2.413	0.582	94.403	2.798	0.176	0.009	0.021	0.004	0.004	0.002	0.002
07/31/2025	1010.358	0.138	2.394	0.580	94.844	2.447	0.149	0.007	0.015	0.003	0.003	0.001	0.001
07/30/2025	1011.267	0.131	2.393	0.580	94.751	2.539	0.159	0.007	0.014	0.003	0.002	0.001	0.001
07/29/2025	1018.916	0.239	2.320	0.586	93.776	3.389	0.236	0.011	0.021	0.003	0.003	0.001	0.001
07/28/2025	1016.029	0.241	2.275	0.584	94.179	3.086	0.191	0.008	0.016	0.002	0.002	0.000	0.000
07/27/2025	1012.350	0.169	2.285	0.580	94.744	2.637	0.142	0.006	0.012	0.002	0.002	0.000	0.000
07/26/2025	1009.900	0.140	2.395	0.580	94.851	2.471	0.125	0.005	0.010	0.001	0.002	0.000	0.000
07/25/2025	1010.332	0.130	2.450	0.580	94.695	2.580	0.125	0.005	0.011	0.002	0.002	0.000	0.000
07/24/2025	1008.795	0.104	2.513	0.580	94.818	2.408	0.136	0.006	0.012	0.002	0.002	0.000	0.000
07/23/2025	1008.979	0.117	2.541	0.580	94.709	2.471	0.137	0.006	0.013	0.002	0.002	0.000	0.000
07/22/2025	1009.179	0.120	2.428	0.579	94.888	2.438	0.113	0.004	0.008	0.001	0.001	0.000	0.000
07/21/2025	1012.236	0.131	2.397	0.581	94.633	2.632	0.178	0.008	0.016	0.002	0.002	0.000	0.000
07/20/2025	1013.569	0.150	2.540	0.584	94.091	3.009	0.180	0.008	0.016	0.002	0.002	0.001	0.001
07/19/2025	1013.454	0.145	2.489	0.583	94.268	2.870	0.187	0.011	0.023	0.003	0.003	0.001	0.001
07/18/2025	1014.748	0.178	2.304	0.582	94.474	2.806	0.191	0.011	0.025	0.004	0.004	0.001	0.001
07/17/2025	1011.152	0.159	2.540	0.582	94.374	2.724	0.176	0.007	0.015	0.002	0.002	0.000	0.000