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Gas Quality / Gas Quality By Date

Date Requested: Nov 20 2025 8:23 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


11/20/2025	1043.271	0.816	1.584	0.603	91.294	5.808	0.385	0.028	0.057	0.010	0.011	0.003	0.003
11/19/2025	1043.451	1.257	0.912	0.603	91.804	5.533	0.383	0.027	0.057	0.010	0.011	0.003	0.003
11/18/2025	1016.023	1.263	1.092	0.588	94.651	2.730	0.202	0.016	0.031	0.006	0.006	0.002	0.002
11/17/2025	1011.620	0.992	1.470	0.585	95.014	2.245	0.203	0.019	0.038	0.007	0.008	0.002	0.002
11/16/2025	1009.533	1.095	1.348	0.584	95.247	2.081	0.174	0.014	0.027	0.005	0.005	0.001	0.001
11/15/2025	1000.206	1.220	1.069	0.577	96.654	0.957	0.077	0.006	0.012	0.002	0.002	0.000	0.000
11/14/2025	1007.786	0.838	1.679	0.582	95.258	2.031	0.149	0.011	0.022	0.004	0.004	0.001	0.001
11/13/2025	1026.430	0.501	2.061	0.592	93.023	3.989	0.325	0.025	0.051	0.009	0.010	0.003	0.003
11/12/2025	1027.166	0.518	2.053	0.593	92.921	4.070	0.335	0.025	0.052	0.009	0.010	0.003	0.003
11/11/2025	1028.275	0.514	2.004	0.593	92.878	4.177	0.331	0.024	0.049	0.009	0.009	0.003	0.003
11/10/2025	1029.205	0.550	1.933	0.594	92.818	4.292	0.313	0.023	0.048	0.009	0.009	0.003	0.003
11/09/2025	1017.841	0.335	2.273	0.587	93.807	3.326	0.206	0.014	0.025	0.005	0.005	0.002	0.002
11/08/2025	1037.933	0.757	1.569	0.599	92.124	5.071	0.378	0.026	0.051	0.009	0.010	0.003	0.003
11/07/2025	1030.659	0.649	1.839	0.595	92.603	4.504	0.322	0.021	0.041	0.008	0.008	0.003	0.003
11/06/2025	1004.315	0.924	1.568	0.580	95.700	1.664	0.114	0.008	0.015	0.003	0.003	0.001	0.001
11/05/2025	991.045	1.480	0.818	0.573	97.701	0.001	0.000	0.000	0.000	0.000	0.000	0.000	0.000
11/04/2025	998.287	1.099	1.110	0.574	97.036	0.697	0.046	0.003	0.006	0.001	0.001	0.000	0.000
11/03/2025	1014.219	0.413	2.243	0.585	94.155	2.943	0.193	0.013	0.025	0.005	0.005	0.002	0.002
11/02/2025	1015.060	1.010	1.343	0.586	94.716	2.710	0.177	0.011	0.021	0.004	0.004	0.002	0.002
11/01/2025	1030.656	0.874	1.517	0.595	92.787	4.454	0.290	0.019	0.038	0.007	0.008	0.003	0.003
10/31/2025	1022.788	0.651	1.883	0.591	93.457	3.662	0.270	0.020	0.037	0.007	0.008	0.003	0.003
10/30/2025	994.808	1.213	1.162	0.574	97.084	0.497	0.034	0.002	0.004	0.001	0.001	0.000	0.000
10/29/2025	998.897	0.747	1.710	0.575	96.407	1.053	0.067	0.004	0.007	0.001	0.001	0.001	0.001
10/28/2025	1002.815	0.377	2.254	0.577	95.599	1.611	0.121	0.010	0.017	0.004	0.004	0.002	0.002
10/27/2025	1003.125	0.347	2.342	0.578	95.450	1.684	0.132	0.011	0.020	0.005	0.005	0.002	0.002
10/26/2025	1003.023	0.388	2.277	0.578	95.522	1.632	0.135	0.012	0.020	0.005	0.005	0.002	0.002
10/25/2025	1004.023	0.387	2.240	0.578	95.484	1.697	0.147	0.012	0.020	0.004	0.005	0.002	0.002
10/24/2025	1003.820	0.174	2.640	0.579	95.087	1.908	0.140	0.013	0.023	0.005	0.006	0.002	0.002
10/23/2025	1016.930	0.479	2.227	0.588	93.782	3.202	0.236	0.018	0.035	0.007	0.008	0.003	0.003
10/22/2025	1019.358	0.613	1.945	0.588	93.798	3.339	0.235	0.018	0.034	0.007	0.007	0.003	0.003
10/21/2025	1019.733	0.580	1.880	0.588	93.977	3.259	0.233	0.017	0.034	0.007	0.007	0.003	0.003
10/20/2025	1036.981	0.915	1.383	0.599	92.375	4.830	0.369	0.029	0.063	0.012	0.014	0.005	0.005
10/19/2025	1017.624	0.562	1.887	0.586	94.292	2.952	0.228	0.018	0.036	0.008	0.008	0.004	0.004
10/18/2025	1013.390	0.548	1.978	0.584	94.603	2.607	0.200	0.016	0.029	0.006	0.007	0.003	0.003
10/17/2025	1012.499	0.481	2.089	0.584	94.614	2.553	0.200	0.016	0.029	0.006	0.007	0.003	0.003
10/16/2025	1012.874	0.414	2.166	0.583	94.530	2.637	0.192	0.015	0.028	0.006	0.006	0.003	0.003
10/15/2025	1017.622	0.499	2.027	0.586	94.070	3.125	0.211	0.017	0.032	0.006	0.007	0.003	0.003
10/14/2025	1013.564	0.429	2.026	0.583	94.676	2.659	0.159	0.012	0.023	0.005	0.006	0.002	0.002
10/13/2025	1012.816	0.377	2.101	0.582	94.700	2.623	0.151	0.011	0.021	0.005	0.005	0.002	0.002
10/12/2025	1023.405	0.641	1.785	0.590	93.579	3.683	0.247	0.017	0.032	0.006	0.007	0.002	0.002
10/11/2025	1027.986	0.810	1.620	0.594	92.998	4.241	0.261	0.018	0.034	0.006	0.007	0.003	0.003
10/10/2025	1032.077	0.899	1.494	0.596	92.541	4.736	0.266	0.016	0.032	0.006	0.006	0.002	0.002
10/09/2025	1026.581	0.928	1.409	0.592	93.339	4.033	0.233	0.015	0.029	0.005	0.006	0.002	0.002
10/08/2025	1035.472	0.977	1.328	0.598	92.400	4.892	0.320	0.021	0.041	0.007	0.008	0.003	0.003
10/07/2025	1010.614	0.223	2.453	0.582	94.549	2.553	0.179	0.011	0.020	0.004	0.004	0.002	0.002
10/06/2025	1005.958	0.416	2.155	0.579	95.343	1.914	0.131	0.010	0.018	0.004	0.004	0.002	0.002
10/05/2025	1003.744	0.553	2.002	0.578	95.639	1.657	0.113	0.009	0.016	0.004	0.004	0.002	0.002
10/04/2025	1005.214	0.396	2.298	0.580	95.161	1.967	0.138	0.010	0.017	0.004	0.004	0.002	0.002
10/03/2025	1009.548	0.329	2.326	0.582	94.754	2.352	0.193	0.012	0.020	0.005	0.005	0.003	0.003
10/02/2025	1008.818	0.399	2.137	0.580	95.112	2.128	0.180	0.011	0.019	0.004	0.005	0.003	0.003
10/01/2025	1009.000	0.378	2.179	0.581	95.043	2.172	0.183	0.011	0.020	0.004	0.005	0.003	0.003
09/30/2025	1009.522	0.328	2.309	0.581	94.819	2.293	0.200	0.013	0.023	0.005	0.005	0.003	0.003
09/29/2025	1008.876	0.356	2.296	0.581	94.869	2.231	0.193	0.014	0.024	0.005	0.006	0.003	0.003
09/28/2025	1007.995	0.382	2.220	0.580	95.068	2.109	0.170	0.012	0.022	0.005	0.005	0.003	0.003
09/27/2025	1007.906	0.365	2.178	0.580	95.182	2.077	0.159	0.010	0.017	0.004	0.004	0.002	0.002
09/26/2025	1006.384	0.386	2.233	0.580	95.166	2.038	0.146	0.008	0.015	0.003	0.003	0.001	0.001
09/25/2025	1009.851	0.501	2.142	0.583	94.714	2.417	0.187	0.010	0.018	0.003	0.003	0.001	0.001
09/24/2025	1004.307	0.575	1.951	0.578	95.636	1.686	0.120	0.008	0.014	0.003	0.003	0.002	0.002
09/23/2025	1011.118	0.539	1.919	0.582	95.002	2.310	0.180	0.013	0.023	0.005	0.005	0.002	0.002
09/22/2025	1013.885	0.589	1.919	0.584	94.550	2.689	0.204	0.013	0.023	0.005	0.005	0.002	0.002
09/21/2025	1023.556	0.762	1.523	0.589	93.877	3.527	0.250	0.016	0.029	0.005	0.006	0.002	0.002
09/20/2025	1032.242	0.978	1.417	0.597	92.606	4.585	0.341	0.020	0.037	0.006	0.006	0.002	0.002
09/19/2025	1008.338	0.794	1.511	0.580	95.658	1.857	0.142	0.010	0.018	0.004	0.004	0.002	0.002
09/18/2025	1012.607	0.630	1.884	0.584	94.687	2.559	0.189	0.013	0.023	0.005	0.005	0.002	0.002
09/17/2025	1007.964	0.873	1.503	0.581	95.584	1.832	0.159	0.011	0.023	0.005	0.005	0.002	0.002
09/16/2025	1009.739	0.925	1.281	0.580	95.780	1.785	0.170	0.013	0.028	0.006	0.007	0.002	0.002
09/15/2025	1018.963	0.583	1.888	0.587	94.160	2.994	0.277	0.022	0.046	0.010	0.011	0.004	0.004
09/14/2025	1013.980	0.733	1.763	0.585	94.647	2.557	0.224	0.017	0.036	0.007	0.008	0.003	0.003
09/13/2025	1003.644	1.195	1.176	0.580	96.104	1.363	0.122	0.009	0.019	0.004	0.005	0.002	0.002
09/12/2025	1007.110	0.829	1.669	0.581	95.518	1.725	0.179	0.018	0.034	0.008	0.009	0.006	0.006
09/11/2025	997.142	1.237	0.925	0.574	97.292	0.496	0.034	0.003	0.006	0.001	0.002	0.001	0.001
09/10/2025	995.190	1.465	0.588	0.572	97.764	0.163	0.012	0.001	0.002	0.000	0.000	0.002	0.002
09/09/2025	1001.065	1.195	0.911	0.575	97.145	0.564	0.108	0.016	0.030	0.008	0.010	0.006	0.006
09/08/2025	996.587	1.269	0.482	0.569	98.249	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000
09/07/2025	995.658	1.361	0.482	0.570	98.156	0.001	0.000	0.000	0.000	0.000	0.000	0.000	0.000
09/06/2025	1016.886	1.305	0.988	0.588	94.569	2.941	0.174	0.007	0.012	0.002	0.002	0.001	0.001
09/05/2025	1041.877	0.768	1.649	0.602	91.332	5.800	0.385	0.018	0.031	0.005	0.005	0.004	0.004
09/04/2025	1008.569	1.224	0.862	0.580	96.047	1.745	0.108	0.004	0.007	0.001	0.001	0.000	0.000
09/03/2025	995.609	1.366	0.481	0.570	98.152	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000
09/02/2025	997.657	1.142	0.503	0.568	98.355	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000
09/01/2025	994.156	1.476	0.517	0.571	98.005	0.003	0.000	0.000	0.000	0.000	0.000	0.000	0.000
08/31/2025	998.790	1.418	0.627	0.574	97.382	0.510	0.041	0.003	0.007	0.002	0.002	0.004	0.004
08/30/2025	1041.827	0.848	1.465	0.601	91.496	5.812	0.328	0.013	0.022	0.003	0.004	0.004	0.004
08/29/2025	1046.720	0.723	2.271	0.611	90.376	5.642	0.645	0.070	0.130	0.033	0.040	0.035	0.035
08/28/2025	1032.824	0.842	1.522	0.596	92.654	4.583	0.305	0.019	0.033	0.008	0.010	0.011	0.011
08/27/2025	1004.438	1.313	0.940	0.580	96.165	1.487	0.083	0.003	0.006	0.001	0.001	0.000	0.000
08/26/2025	992.736	1.636	0.495	0.573	97.869	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000
08/25/2025	993.550	1.561	0.490	0.572	97.949	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000
08/24/2025	994.848	1.227	0.695	0.570	98.078	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000
08/23/2025	996.062	1.347	0.456	0.570	98.197	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000
08/22/2025	995.782	1.368	0.462	0.570	98.169	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000
08/21/2025	1000.590	1.353	0.016	0.568	98.617	0.014	0.001	0.000	0.000	0.000	0.000	0.000	0.000
08/20/2025	1000.590	1.353	0.016	0.568	98.617	0.014	0.001	0.000	0.000	0.000	0.000	0.000	0.000
08/19/2025	1054.156	1.356	0.000	0.602	92.270	5.870	0.423	0.022	0.040	0.006	0.007	0.003	0.003