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Gas Quality / Gas Quality By Date

Date Requested: Jan 15 2026 2:56 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


01/15/2026	1018.993	0.336	2.175	0.586	93.867	3.362	0.215	0.013	0.023	0.004	0.003	0.001	0.001
01/14/2026	1021.854	0.398	2.095	0.588	93.547	3.689	0.225	0.014	0.023	0.004	0.003	0.001	0.001
01/13/2026	1024.411	0.399	2.061	0.589	93.329	3.912	0.246	0.015	0.027	0.005	0.004	0.001	0.001
01/12/2026	1023.939	0.352	2.147	0.589	93.269	3.951	0.234	0.014	0.024	0.004	0.003	0.001	0.001
01/11/2026	1017.856	0.272	2.144	0.584	94.186	3.185	0.173	0.012	0.020	0.004	0.003	0.001	0.001
01/10/2026	1016.646	0.258	2.201	0.584	94.221	3.125	0.158	0.011	0.018	0.004	0.003	0.001	0.001
01/09/2026	1020.688	0.325	2.148	0.587	93.684	3.629	0.175	0.012	0.020	0.004	0.003	0.001	0.001
01/08/2026	1014.201	0.200	2.361	0.583	94.289	2.971	0.141	0.011	0.019	0.004	0.003	0.001	0.001
01/07/2026	1014.770	0.201	2.322	0.583	94.332	2.943	0.160	0.012	0.021	0.004	0.004	0.001	0.001
01/06/2026	1017.607	0.305	2.261	0.586	93.945	3.222	0.211	0.016	0.027	0.005	0.004	0.002	0.002
01/05/2026	1018.008	0.332	2.252	0.586	93.820	3.347	0.200	0.015	0.023	0.005	0.003	0.001	0.001
01/04/2026	1015.304	0.257	2.297	0.584	94.209	3.020	0.173	0.014	0.020	0.005	0.003	0.001	0.001
01/03/2026	1014.732	0.281	2.651	0.588	93.422	3.410	0.192	0.014	0.020	0.004	0.003	0.001	0.001
01/02/2026	1005.513	0.342	3.332	0.590	92.861	3.250	0.179	0.011	0.017	0.003	0.002	0.001	0.001
01/01/2026	1008.829	0.346	3.070	0.589	93.038	3.331	0.176	0.012	0.019	0.004	0.003	0.001	0.001
12/31/2025	1020.621	0.316	2.310	0.588	93.425	3.667	0.225	0.016	0.028	0.005	0.004	0.001	0.001
12/30/2025	1020.144	0.278	2.310	0.587	93.560	3.585	0.213	0.016	0.026	0.005	0.004	0.001	0.001
12/29/2025	1016.487	0.213	2.452	0.586	93.821	3.277	0.188	0.014	0.023	0.005	0.004	0.001	0.001
12/28/2025	1022.615	0.336	2.347	0.590	93.069	3.926	0.263	0.017	0.030	0.005	0.004	0.001	0.001
12/27/2025	1021.073	0.286	2.395	0.589	93.276	3.728	0.254	0.018	0.031	0.006	0.004	0.001	0.001
12/26/2025	1028.105	0.490	2.122	0.594	92.564	4.465	0.297	0.018	0.032	0.005	0.004	0.001	0.001
12/25/2025	1022.205	0.467	2.095	0.590	93.352	3.798	0.250	0.012	0.020	0.003	0.003	0.001	0.001
12/24/2025	1022.345	0.448	2.157	0.590	93.203	3.927	0.231	0.010	0.017	0.002	0.002	0.001	0.001
12/23/2025	1022.730	0.441	2.185	0.590	93.174	3.878	0.276	0.014	0.024	0.003	0.003	0.001	0.001
12/22/2025	1022.085	0.377	2.168	0.589	93.514	3.591	0.279	0.019	0.034	0.007	0.006	0.003	0.003
12/21/2025	1022.571	0.374	2.186	0.589	93.449	3.608	0.308	0.020	0.036	0.007	0.006	0.002	0.002
12/20/2025	1027.823	0.444	1.978	0.592	93.047	4.179	0.284	0.019	0.033	0.007	0.005	0.002	0.002
12/19/2025	1027.821	0.482	1.973	0.592	92.940	4.277	0.267	0.017	0.030	0.006	0.005	0.002	0.002
12/18/2025	1027.550	0.461	1.931	0.591	93.208	4.015	0.302	0.021	0.040	0.008	0.007	0.003	0.003
12/17/2025	1033.236	0.575	1.761	0.595	92.669	4.530	0.382	0.024	0.042	0.007	0.006	0.002	0.002
12/16/2025	1031.197	0.596	1.791	0.594	92.810	4.351	0.367	0.024	0.044	0.007	0.006	0.002	0.002
12/15/2025	1037.583	0.570	1.744	0.597	92.183	5.025	0.388	0.024	0.046	0.008	0.008	0.003	0.003
12/14/2025	1021.064	0.523	2.514	0.594	92.404	4.287	0.217	0.015	0.026	0.005	0.005	0.002	0.002
12/13/2025	1028.726	0.440	1.876	0.591	93.136	4.244	0.234	0.018	0.033	0.007	0.006	0.003	0.003
12/12/2025	1021.879	0.319	2.007	0.586	94.034	3.320	0.243	0.019	0.036	0.008	0.007	0.004	0.004
12/11/2025	1015.766	0.240	2.133	0.582	94.719	2.592	0.232	0.020	0.040	0.009	0.008	0.003	0.003
12/10/2025	1014.537	0.252	2.180	0.582	94.712	2.560	0.223	0.019	0.035	0.007	0.007	0.003	0.003
12/09/2025	1013.099	0.229	2.259	0.582	94.741	2.496	0.209	0.017	0.032	0.007	0.006	0.003	0.003
12/08/2025	1012.432	0.202	2.446	0.583	94.439	2.647	0.203	0.016	0.030	0.007	0.006	0.002	0.002
12/07/2025	1011.350	0.214	2.421	0.582	94.584	2.535	0.185	0.015	0.029	0.007	0.006	0.002	0.002
12/06/2025	1007.058	0.220	2.671	0.582	94.509	2.378	0.171	0.014	0.025	0.005	0.004	0.001	0.001
12/05/2025	1005.355	0.242	3.050	0.585	93.830	2.630	0.197	0.014	0.025	0.005	0.005	0.002	0.002
12/04/2025	1007.759	0.279	2.697	0.584	94.274	2.486	0.205	0.016	0.029	0.006	0.005	0.002	0.002
12/03/2025	1000.800	0.362	3.099	0.585	94.003	2.311	0.177	0.013	0.025	0.005	0.004	0.001	0.001
12/02/2025	1010.345	0.407	3.140	0.592	92.897	3.023	0.448	0.027	0.045	0.006	0.005	0.001	0.001
12/01/2025	1005.497	0.328	3.121	0.588	93.570	2.627	0.283	0.020	0.035	0.006	0.005	0.002	0.002
11/30/2025	1004.026	0.329	3.221	0.588	93.479	2.665	0.239	0.018	0.033	0.007	0.006	0.002	0.002
11/29/2025	997.199	0.339	3.565	0.587	93.463	2.389	0.192	0.014	0.025	0.005	0.004	0.001	0.001
11/28/2025	999.640	0.328	3.420	0.587	93.507	2.500	0.194	0.014	0.026	0.005	0.004	0.001	0.001
11/27/2025	999.241	0.318	3.350	0.586	93.726	2.369	0.197	0.012	0.022	0.003	0.003	0.001	0.001
11/26/2025	1011.954	0.294	2.298	0.582	94.612	2.512	0.243	0.012	0.022	0.003	0.003	0.001	0.001
11/25/2025	1011.932	0.309	2.305	0.583	94.564	2.540	0.239	0.012	0.022	0.003	0.003	0.001	0.001
11/24/2025	1012.751	0.382	2.598	0.587	93.655	3.036	0.285	0.013	0.023	0.003	0.003	0.001	0.001
11/23/2025	1010.897	0.458	2.835	0.590	93.274	3.031	0.334	0.019	0.035	0.006	0.005	0.001	0.001
11/22/2025	1007.944	0.134	2.425	0.579	95.078	2.188	0.157	0.005	0.009	0.002	0.001	0.000	0.000
11/21/2025	1011.460	0.186	2.214	0.579	95.011	2.393	0.179	0.005	0.009	0.001	0.001	0.000	0.000
11/20/2025	1012.171	0.180	2.275	0.580	94.790	2.558	0.178	0.005	0.009	0.001	0.001	0.000	0.000
11/19/2025	1004.687	0.071	2.616	0.578	95.146	2.058	0.090	0.005	0.010	0.002	0.002	0.001	0.001
11/18/2025	1005.652	0.086	2.723	0.579	94.723	2.365	0.089	0.004	0.007	0.001	0.001	0.000	0.000
11/17/2025	997.935	0.207	3.790	0.588	92.989	2.885	0.116	0.004	0.006	0.001	0.001	0.000	0.000
11/16/2025	1004.040	0.115	2.995	0.582	94.240	2.537	0.099	0.004	0.006	0.001	0.001	0.000	0.000
11/15/2025	1006.744	0.086	2.650	0.579	94.938	2.100	0.160	0.017	0.032	0.007	0.006	0.002	0.002
11/14/2025	1009.232	0.104	2.502	0.580	94.933	2.221	0.170	0.019	0.035	0.007	0.006	0.002	0.002
11/13/2025	1007.904	0.133	2.704	0.582	94.594	2.314	0.181	0.019	0.037	0.008	0.007	0.002	0.002
11/12/2025	1006.936	0.098	2.814	0.581	94.539	2.295	0.180	0.020	0.037	0.008	0.006	0.002	0.002
11/11/2025	1009.785	0.061	2.669	0.581	94.629	2.363	0.193	0.022	0.041	0.009	0.008	0.002	0.002
11/10/2025	1008.677	0.083	2.849	0.583	94.298	2.488	0.205	0.021	0.039	0.008	0.007	0.002	0.002
11/09/2025	1011.977	0.088	2.803	0.584	94.126	2.582	0.289	0.028	0.056	0.012	0.010	0.003	0.003
11/08/2025	1009.580	0.140	2.670	0.582	94.464	2.440	0.207	0.021	0.039	0.008	0.007	0.002	0.002
11/07/2025	1011.100	0.191	2.435	0.582	94.706	2.382	0.201	0.021	0.041	0.009	0.008	0.003	0.003
11/06/2025	1008.270	0.201	2.403	0.580	94.988	2.222	0.135	0.014	0.025	0.005	0.004	0.001	0.001
11/05/2025	1007.294	0.105	2.541	0.579	95.032	2.120	0.149	0.014	0.026	0.006	0.004	0.001	0.001
11/04/2025	1006.919	0.073	2.601	0.579	95.036	2.078	0.153	0.016	0.030	0.006	0.005	0.001	0.001
11/03/2025	1006.466	0.075	2.757	0.580	94.740	2.194	0.176	0.016	0.029	0.006	0.005	0.001	0.001
11/02/2025	1007.428	0.090	2.685	0.580	94.758	2.223	0.189	0.015	0.028	0.006	0.004	0.001	0.001
11/01/2025	1006.683	0.118	2.597	0.579	94.960	2.112	0.161	0.015	0.026	0.005	0.004	0.001	0.001
10/31/2025	1007.366	0.111	2.628	0.580	94.814	2.233	0.164	0.014	0.025	0.005	0.004	0.001	0.001
10/30/2025	1008.024	0.105	2.684	0.581	94.629	2.356	0.173	0.014	0.026	0.006	0.004	0.001	0.001
10/29/2025	1006.978	0.099	2.743	0.581	94.631	2.309	0.167	0.014	0.025	0.005	0.004	0.001	0.001
10/28/2025	1007.059	0.115	2.903	0.583	94.243	2.497	0.186	0.015	0.028	0.006	0.005	0.001	0.001
10/27/2025	1044.896	0.796	1.757	0.606	91.162	5.441	0.646	0.056	0.102	0.018	0.014	0.004	0.004
10/26/2025	1023.004	1.036	2.401	0.602	91.305	4.883	0.332	0.014	0.023	0.002	0.002	0.001	0.001
10/25/2025	1019.714	0.671	2.089	0.591	93.357	3.490	0.323	0.020	0.037	0.005	0.005	0.001	0.001
10/24/2025	1006.513	0.214	2.335	0.578	95.348	1.908	0.148	0.013	0.024	0.005	0.004	0.001	0.001
10/23/2025	1009.324	0.114	2.607	0.581	94.621	2.428	0.175	0.015	0.027	0.006	0.004	0.001	0.001
10/22/2025	1009.146	0.112	2.562	0.580	94.730	2.383	0.163	0.014	0.025	0.005	0.004	0.001	0.001
10/21/2025	1010.857	0.146	2.475	0.581	94.671	2.467	0.183	0.016	0.029	0.006	0.005	0.001	0.001
10/20/2025	1013.302	0.184	2.555	0.584	94.161	2.784	0.247	0.019	0.035	0.006	0.005	0.001	0.001
10/19/2025	1014.131	0.175	2.420	0.583	94.348	2.777	0.219	0.017	0.031	0.006	0.005	0.001	0.001
10/18/2025	1012.331	0.150	2.386	0.581	94.670	2.556	0.182	0.016	0.028	0.006	0.004	0.001	0.001
10/17/2025	1012.174	0.229	2.325	0.582	94.671	2.516	0.204	0.016	0.028	0.005	0.004	0.001	0.001
10/16/2025	1014.960	0.238	2.271	0.583	94.449	2.751	0.230	0.017	0.032	0.006	0.005	0.001	0.001
10/15/2025	1015.882	0.203	2.329	0.584	94.276	2.899	0.228	0.018	0.033	0.006	0.005	0.001	0.001
10/14/2025	1015.618	0.201	2.304	0.583	94.379	2.824	0.227	0.018	0.033	0.006	0.005	0.001	0.001