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Gas Quality / Gas Quality By Date

Date Requested: Mar 28 2026 6:00 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


03/28/2026	1010.930	0.145	2.614	0.583	94.291	2.744	0.171	0.008	0.016	0.003	0.004	0.003	0.003
03/27/2026	1010.555	0.150	2.548	0.582	94.475	2.627	0.161	0.009	0.017	0.004	0.004	0.002	0.002
03/26/2026	1014.973	0.195	2.518	0.585	93.943	3.085	0.208	0.011	0.022	0.005	0.005	0.004	0.004
03/25/2026	1012.792	0.186	2.563	0.584	94.126	2.883	0.194	0.010	0.021	0.004	0.005	0.004	0.004
03/24/2026	1012.019	0.168	2.569	0.583	94.213	2.831	0.182	0.009	0.017	0.003	0.004	0.002	0.002
03/23/2026	1014.066	0.174	2.617	0.585	93.902	3.030	0.220	0.013	0.026	0.006	0.006	0.003	0.003
03/22/2026	1013.616	0.224	2.592	0.585	93.893	3.005	0.240	0.012	0.022	0.004	0.004	0.002	0.002
03/21/2026	1013.692	0.230	2.495	0.585	94.047	2.992	0.192	0.010	0.020	0.004	0.004	0.003	0.003
03/20/2026	1016.288	0.259	2.442	0.586	93.841	3.183	0.212	0.012	0.026	0.005	0.007	0.006	0.006
03/19/2026	1012.829	0.198	2.532	0.584	94.202	2.819	0.188	0.011	0.025	0.005	0.007	0.007	0.007
03/18/2026	1016.402	0.245	2.452	0.586	93.866	3.144	0.225	0.013	0.028	0.006	0.007	0.007	0.007
03/17/2026	1013.723	0.217	2.471	0.584	94.157	2.909	0.192	0.010	0.022	0.005	0.006	0.005	0.005
03/16/2026	1018.457	0.262	2.278	0.586	93.923	3.256	0.224	0.012	0.025	0.005	0.006	0.004	0.004
03/15/2026	1016.766	0.233	2.367	0.585	94.031	3.072	0.235	0.013	0.028	0.005	0.006	0.005	0.005
03/14/2026	1016.205	0.210	2.451	0.585	93.977	3.060	0.234	0.013	0.030	0.006	0.007	0.006	0.006
03/13/2026	1015.052	0.181	2.507	0.585	94.041	2.990	0.216	0.012	0.029	0.006	0.007	0.006	0.006
03/12/2026	1015.462	0.174	2.507	0.585	93.948	3.109	0.214	0.010	0.021	0.004	0.005	0.003	0.003
03/11/2026	1008.550	0.102	2.622	0.581	94.626	2.486	0.132	0.007	0.014	0.003	0.003	0.002	0.002
03/10/2026	1012.856	0.123	2.597	0.583	94.183	2.857	0.189	0.010	0.022	0.005	0.005	0.004	0.004
03/09/2026	1012.161	0.153	2.578	0.583	94.268	2.743	0.204	0.011	0.024	0.005	0.005	0.004	0.004
03/08/2026	1009.941	0.116	2.656	0.582	94.421	2.569	0.198	0.010	0.019	0.004	0.004	0.002	0.002
03/07/2026	1012.958	0.157	2.553	0.583	94.213	2.812	0.217	0.011	0.023	0.005	0.005	0.003	0.003
03/06/2026	1014.523	0.179	2.498	0.584	94.120	2.931	0.212	0.012	0.026	0.005	0.006	0.005	0.005
03/05/2026	1016.419	0.232	2.389	0.585	93.995	3.106	0.221	0.012	0.026	0.005	0.005	0.004	0.004
03/04/2026	1013.939	0.205	2.463	0.584	94.162	2.928	0.193	0.011	0.023	0.004	0.005	0.003	0.003
03/03/2026	1015.707	0.228	2.443	0.585	93.938	3.129	0.213	0.012	0.023	0.004	0.005	0.003	0.003
03/02/2026	1018.534	0.267	2.317	0.586	93.803	3.323	0.237	0.013	0.027	0.004	0.004	0.002	0.002
03/01/2026	1023.478	0.305	2.307	0.590	93.230	3.761	0.322	0.019	0.038	0.006	0.006	0.003	0.003
02/28/2026	1024.173	0.331	2.246	0.590	93.194	3.848	0.317	0.017	0.032	0.005	0.005	0.003	0.003
02/27/2026	1019.053	0.266	2.317	0.587	93.773	3.345	0.238	0.013	0.028	0.005	0.006	0.005	0.005
02/26/2026	1022.141	0.302	2.198	0.588	93.595	3.571	0.267	0.015	0.031	0.006	0.006	0.004	0.004
02/25/2026	1019.425	0.271	2.266	0.586	93.840	3.318	0.240	0.014	0.029	0.005	0.006	0.005	0.005
02/24/2026	1020.031	0.286	2.248	0.587	93.762	3.401	0.241	0.013	0.027	0.005	0.006	0.005	0.005
02/23/2026	1018.559	0.284	2.268	0.586	93.858	3.318	0.223	0.011	0.023	0.004	0.004	0.003	0.003
02/22/2026	1020.063	0.319	2.258	0.588	93.630	3.494	0.250	0.012	0.024	0.004	0.004	0.003	0.003
02/21/2026	1019.766	0.334	2.311	0.588	93.501	3.558	0.247	0.012	0.024	0.004	0.004	0.002	0.002
02/20/2026	1021.958	0.372	2.229	0.589	93.336	3.748	0.265	0.013	0.025	0.004	0.004	0.002	0.002
02/19/2026	1016.550	0.277	2.344	0.586	93.914	3.220	0.206	0.011	0.020	0.003	0.003	0.001	0.001
02/18/2026	1015.540	0.297	2.307	0.585	94.090	3.050	0.216	0.011	0.021	0.003	0.003	0.001	0.001
02/17/2026	1020.002	0.317	2.234	0.587	93.696	3.461	0.240	0.013	0.026	0.005	0.004	0.003	0.003
02/16/2026	1020.259	0.321	2.246	0.588	93.620	3.514	0.248	0.013	0.026	0.004	0.004	0.002	0.002
02/15/2026	1024.078	0.363	2.228	0.590	93.132	3.930	0.288	0.016	0.030	0.005	0.005	0.002	0.002
02/14/2026	1020.062	0.320	2.257	0.588	93.596	3.548	0.235	0.012	0.022	0.003	0.003	0.002	0.002
02/13/2026	1020.068	0.295	2.280	0.587	93.617	3.522	0.236	0.012	0.024	0.004	0.004	0.003	0.003
02/12/2026	1020.144	0.314	2.307	0.588	93.482	3.615	0.241	0.012	0.022	0.003	0.003	0.001	0.001
02/11/2026	1027.700	0.412	2.074	0.592	92.936	4.184	0.338	0.016	0.029	0.004	0.004	0.001	0.001
02/10/2026	1032.386	0.478	1.999	0.595	92.469	4.552	0.432	0.021	0.037	0.004	0.004	0.001	0.001
02/09/2026	1028.380	0.450	2.082	0.593	92.747	4.322	0.343	0.016	0.029	0.004	0.004	0.002	0.002
02/08/2026	1023.299	0.396	2.201	0.590	93.166	3.920	0.270	0.014	0.025	0.003	0.003	0.001	0.001
02/07/2026	1019.970	0.324	2.224	0.587	93.655	3.532	0.226	0.011	0.020	0.003	0.003	0.001	0.001
02/06/2026	1027.618	0.404	2.123	0.592	92.797	4.337	0.287	0.014	0.025	0.004	0.004	0.002	0.002
02/05/2026	1017.196	0.273	2.402	0.586	93.746	3.318	0.208	0.011	0.023	0.004	0.005	0.005	0.005
02/04/2026	1016.623	0.285	2.446	0.587	93.709	3.293	0.213	0.011	0.024	0.004	0.006	0.005	0.005
02/03/2026	1019.872	0.327	2.359	0.589	93.406	3.617	0.235	0.012	0.025	0.004	0.005	0.004	0.004
02/02/2026	1024.577	0.432	2.200	0.592	92.940	4.092	0.288	0.013	0.024	0.003	0.003	0.002	0.002
02/01/2026	1024.509	0.382	2.261	0.591	92.990	3.993	0.313	0.015	0.028	0.004	0.005	0.004	0.004
01/31/2026	1031.191	0.380	2.305	0.596	92.123	4.730	0.388	0.019	0.035	0.005	0.006	0.004	0.004
01/30/2026	1036.286	0.372	2.330	0.599	91.494	5.273	0.449	0.023	0.040	0.006	0.006	0.004	0.004
01/29/2026	1034.349	0.356	2.230	0.597	91.975	4.964	0.391	0.021	0.038	0.007	0.007	0.006	0.006
01/28/2026	1027.408	0.333	2.207	0.592	92.855	4.230	0.314	0.014	0.028	0.004	0.005	0.005	0.005
01/27/2026	1023.635	0.319	2.153	0.589	93.439	3.785	0.248	0.011	0.024	0.004	0.005	0.006	0.006
01/26/2026	1022.181	0.320	2.192	0.588	93.520	3.670	0.244	0.011	0.024	0.004	0.005	0.005	0.005
01/25/2026	1024.464	0.403	2.299	0.592	92.858	4.076	0.299	0.015	0.030	0.005	0.006	0.005	0.005
01/24/2026	1023.649	0.402	2.278	0.591	92.934	4.080	0.256	0.012	0.023	0.004	0.004	0.004	0.004
01/23/2026	1025.421	0.377	2.210	0.591	92.905	4.201	0.265	0.011	0.020	0.003	0.003	0.002	0.002
01/22/2026	1020.588	0.287	2.261	0.587	93.592	3.592	0.222	0.010	0.020	0.003	0.004	0.003	0.003
01/21/2026	1019.584	0.263	2.361	0.587	93.592	3.494	0.235	0.011	0.024	0.004	0.005	0.005	0.005
01/20/2026	1019.613	0.265	2.345	0.587	93.625	3.467	0.243	0.012	0.024	0.004	0.005	0.005	0.005
01/19/2026	1019.888	0.299	2.300	0.588	93.584	3.541	0.228	0.011	0.021	0.004	0.004	0.004	0.004
01/18/2026	1019.277	0.279	2.313	0.587	93.671	3.465	0.226	0.011	0.021	0.004	0.004	0.003	0.003
01/17/2026	1015.732	0.225	2.361	0.584	94.062	3.140	0.180	0.008	0.016	0.003	0.003	0.001	0.001
01/16/2026	1017.224	0.274	2.312	0.586	93.894	3.282	0.201	0.009	0.018	0.003	0.003	0.002	0.002
01/15/2026	1019.902	0.329	2.298	0.588	93.501	3.593	0.235	0.011	0.021	0.004	0.003	0.002	0.002
01/14/2026	1018.880	0.291	2.313	0.587	93.684	3.438	0.231	0.011	0.021	0.004	0.004	0.002	0.002
01/13/2026	1017.774	0.246	2.313	0.585	93.896	3.293	0.217	0.009	0.017	0.003	0.003	0.001	0.001
01/12/2026	1015.905	0.234	2.360	0.585	94.009	3.195	0.171	0.008	0.016	0.003	0.003	0.001	0.001
01/11/2026	1016.807	0.228	2.329	0.585	94.006	3.214	0.186	0.009	0.018	0.003	0.003	0.002	0.002
01/10/2026	1018.210	0.229	2.328	0.586	93.862	3.326	0.212	0.011	0.021	0.004	0.004	0.002	0.002
01/09/2026	1019.120	0.233	2.360	0.587	93.685	3.450	0.222	0.012	0.023	0.005	0.004	0.003	0.003
01/08/2026	1019.575	0.278	2.287	0.587	93.673	3.498	0.221	0.011	0.021	0.004	0.004	0.002	0.002
01/07/2026	1021.456	0.299	2.312	0.589	93.367	3.724	0.249	0.013	0.025	0.004	0.004	0.002	0.002
01/06/2026	1020.544	0.304	2.300	0.588	93.451	3.682	0.221	0.011	0.020	0.003	0.003	0.002	0.002
01/05/2026	1020.963	0.300	2.282	0.588	93.467	3.671	0.237	0.011	0.020	0.004	0.003	0.002	0.002
01/04/2026	1019.861	0.314	2.293	0.588	93.529	3.603	0.223	0.010	0.018	0.003	0.003	0.002	0.002
01/03/2026	1017.493	0.319	2.458	0.588	93.431	3.536	0.219	0.010	0.018	0.003	0.003	0.001	0.001
01/02/2026	1031.780	0.488	2.109	0.596	92.153	4.849	0.347	0.015	0.027	0.004	0.004	0.002	0.002
01/01/2026	1024.821	0.381	2.206	0.591	92.999	4.097	0.268	0.013	0.024	0.004	0.004	0.002	0.002
12/31/2025	1024.169	0.347	2.277	0.591	93.039	3.995	0.282	0.014	0.027	0.004	0.005	0.004	0.004
12/30/2025	1021.868	0.312	2.323	0.589	93.266	3.795	0.255	0.012	0.024	0.004	0.004	0.003	0.003
12/29/2025	1025.052	0.346	2.261	0.591	92.936	4.125	0.281	0.013	0.026	0.004	0.004	0.002	0.002
12/28/2025	1026.752	0.397	2.268	0.593	92.599	4.381	0.305	0.014	0.026	0.004	0.004	0.001	0.001
12/27/2025	1025.831	0.429	2.198	0.592	92.758	4.294	0.282	0.012	0.021	0.003	0.002	0.001	0.001
12/26/2025	1025.880	0.435	2.142	0.592	92.847	4.271	0.269	0.011	0.019	0.002	0.002	0.001	0.001
12/25/2025	1028.258	0.462	2.169	0.594	92.477	4.532	0.317	0.013	0.024	0.003	0.003	0.001	0.001