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Gas Quality / Gas Quality By Date

Date Requested: Feb 03 2026 3:18 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


02/03/2026	1022.349	0.346	2.325	0.590	93.154	3.857	0.257	0.013	0.027	0.005	0.006	0.005	0.005
02/02/2026	1024.328	0.403	2.239	0.591	92.976	4.036	0.290	0.014	0.027	0.004	0.004	0.003	0.003
02/01/2026	1021.357	0.314	2.353	0.589	93.319	3.670	0.282	0.014	0.028	0.005	0.005	0.005	0.005
01/31/2026	1024.625	0.278	2.424	0.592	92.853	4.070	0.305	0.016	0.032	0.005	0.006	0.005	0.005
01/30/2026	1030.190	0.276	2.498	0.596	92.032	4.745	0.375	0.018	0.035	0.005	0.006	0.004	0.004
01/29/2026	1029.798	0.268	2.349	0.594	92.432	4.538	0.337	0.018	0.033	0.006	0.007	0.007	0.007
01/28/2026	1024.600	0.260	2.338	0.590	93.088	3.957	0.288	0.014	0.030	0.005	0.006	0.006	0.006
01/27/2026	1024.152	0.312	2.199	0.589	93.336	3.815	0.268	0.013	0.028	0.005	0.007	0.008	0.008
01/26/2026	1023.212	0.306	2.197	0.589	93.455	3.715	0.261	0.013	0.028	0.005	0.007	0.006	0.006
01/25/2026	1022.034	0.342	2.343	0.590	93.201	3.770	0.276	0.014	0.030	0.005	0.007	0.006	0.006
01/24/2026	1017.445	0.292	2.438	0.587	93.594	3.410	0.216	0.011	0.022	0.004	0.005	0.005	0.005
01/23/2026	1022.381	0.322	2.265	0.589	93.287	3.840	0.241	0.011	0.021	0.004	0.004	0.003	0.003
01/22/2026	1021.669	0.307	2.243	0.588	93.438	3.744	0.227	0.010	0.019	0.003	0.003	0.002	0.002
01/21/2026	1021.244	0.306	2.294	0.588	93.392	3.728	0.239	0.010	0.019	0.003	0.003	0.003	0.003
01/20/2026	1020.478	0.304	2.278	0.588	93.541	3.591	0.243	0.010	0.020	0.003	0.003	0.003	0.003
01/19/2026	1020.956	0.326	2.242	0.588	93.478	3.690	0.226	0.010	0.018	0.003	0.003	0.002	0.002
01/18/2026	1021.582	0.330	2.237	0.588	93.409	3.747	0.242	0.010	0.018	0.002	0.003	0.001	0.001
01/17/2026	1017.643	0.277	2.292	0.586	93.856	3.353	0.194	0.008	0.015	0.002	0.002	0.001	0.001
01/16/2026	1016.714	0.289	2.313	0.585	93.901	3.271	0.195	0.008	0.015	0.002	0.002	0.001	0.001
01/15/2026	1018.960	0.330	2.245	0.587	93.697	3.481	0.216	0.009	0.017	0.002	0.002	0.001	0.001
01/14/2026	1016.707	0.268	2.283	0.585	94.003	3.229	0.194	0.008	0.013	0.002	0.001	0.000	0.000
01/13/2026	1016.597	0.257	2.349	0.585	93.897	3.274	0.199	0.007	0.013	0.002	0.001	0.000	0.000
01/12/2026	1015.561	0.250	2.298	0.584	94.119	3.155	0.156	0.007	0.012	0.002	0.001	0.000	0.000
01/11/2026	1016.795	0.253	2.269	0.584	94.052	3.221	0.179	0.008	0.014	0.002	0.002	0.000	0.000
01/10/2026	1017.626	0.263	2.280	0.585	93.911	3.325	0.194	0.008	0.014	0.002	0.002	0.001	0.001
01/09/2026	1019.182	0.291	2.282	0.587	93.656	3.537	0.206	0.008	0.015	0.002	0.002	0.001	0.001
01/08/2026	1018.523	0.288	2.248	0.586	93.814	3.424	0.196	0.008	0.015	0.002	0.002	0.001	0.001
01/07/2026	1021.464	0.348	2.243	0.589	93.354	3.786	0.234	0.010	0.019	0.002	0.002	0.001	0.001
01/06/2026	1021.061	0.351	2.246	0.589	93.377	3.771	0.224	0.010	0.017	0.002	0.002	0.001	0.001
01/05/2026	1021.006	0.337	2.215	0.588	93.487	3.705	0.227	0.009	0.015	0.002	0.002	0.001	0.001
01/04/2026	1020.345	0.338	2.257	0.588	93.485	3.663	0.224	0.009	0.017	0.002	0.003	0.001	0.001
01/03/2026	1018.243	0.353	2.409	0.588	93.354	3.634	0.221	0.009	0.016	0.002	0.002	0.000	0.000
01/02/2026	1026.323	0.454	2.209	0.593	92.626	4.379	0.293	0.012	0.021	0.003	0.003	0.001	0.001
01/01/2026	1027.038	0.444	2.132	0.593	92.728	4.374	0.279	0.012	0.023	0.003	0.003	0.001	0.001
12/31/2025	1026.200	0.390	2.195	0.592	92.850	4.224	0.289	0.013	0.025	0.004	0.004	0.002	0.002
12/30/2025	1022.343	0.343	2.287	0.590	93.197	3.874	0.255	0.011	0.022	0.003	0.003	0.002	0.002
12/29/2025	1025.382	0.387	2.210	0.591	92.888	4.195	0.279	0.012	0.022	0.003	0.003	0.001	0.001
12/28/2025	1025.894	0.403	2.251	0.593	92.701	4.315	0.289	0.012	0.022	0.003	0.003	0.001	0.001
12/27/2025	1026.109	0.434	2.171	0.592	92.764	4.316	0.277	0.011	0.020	0.003	0.002	0.001	0.001
12/26/2025	1027.346	0.455	2.197	0.594	92.543	4.449	0.312	0.013	0.024	0.003	0.003	0.001	0.001
12/25/2025	1029.262	0.480	2.173	0.595	92.329	4.625	0.347	0.014	0.025	0.003	0.003	0.001	0.001
12/24/2025	1027.165	0.487	2.196	0.594	92.501	4.454	0.318	0.013	0.024	0.003	0.003	0.001	0.001
12/23/2025	1022.703	0.381	2.346	0.591	92.991	3.938	0.288	0.014	0.027	0.004	0.005	0.003	0.003
12/22/2025	1016.881	0.313	2.440	0.587	93.557	3.441	0.214	0.009	0.018	0.003	0.003	0.001	0.001
12/21/2025	1023.135	0.397	2.255	0.591	93.047	3.993	0.264	0.012	0.023	0.003	0.003	0.001	0.001
12/20/2025	1025.266	0.430	2.286	0.593	92.653	4.294	0.292	0.013	0.024	0.003	0.003	0.001	0.001
12/19/2025	1025.809	0.423	2.181	0.592	92.827	4.241	0.287	0.012	0.022	0.003	0.003	0.001	0.001
12/18/2025	1028.104	0.490	2.135	0.594	92.533	4.470	0.322	0.015	0.027	0.004	0.003	0.001	0.001
12/17/2025	1031.458	0.535	2.175	0.597	91.948	4.923	0.363	0.016	0.030	0.004	0.004	0.001	0.001
12/16/2025	1036.642	0.599	2.074	0.601	91.448	5.399	0.408	0.019	0.038	0.005	0.005	0.002	0.002
12/15/2025	1028.436	0.487	2.312	0.596	92.146	4.646	0.346	0.016	0.032	0.004	0.005	0.003	0.003
12/14/2025	1029.563	0.487	2.212	0.596	92.209	4.688	0.349	0.015	0.029	0.004	0.004	0.001	0.001
12/13/2025	1031.292	0.518	2.182	0.597	92.010	4.864	0.367	0.016	0.031	0.004	0.004	0.002	0.002
12/12/2025	1023.930	0.403	2.338	0.592	92.820	4.061	0.321	0.015	0.030	0.004	0.004	0.001	0.001
12/11/2025	1020.500	0.382	2.385	0.590	93.147	3.763	0.272	0.014	0.027	0.004	0.004	0.001	0.001
12/10/2025	1029.626	0.527	2.186	0.596	92.226	4.623	0.368	0.019	0.037	0.005	0.005	0.002	0.002
12/09/2025	1022.459	0.403	2.350	0.591	92.994	3.882	0.310	0.015	0.030	0.005	0.005	0.003	0.003
12/08/2025	1025.299	0.450	2.219	0.593	92.863	4.038	0.367	0.018	0.034	0.004	0.004	0.001	0.001
12/07/2025	1014.958	0.276	2.487	0.586	93.833	3.124	0.231	0.012	0.024	0.004	0.004	0.002	0.002
12/06/2025	1015.422	0.286	2.485	0.586	93.769	3.180	0.225	0.013	0.027	0.005	0.005	0.003	0.003
12/05/2025	1012.575	0.264	2.549	0.585	93.985	2.958	0.202	0.011	0.021	0.003	0.004	0.001	0.001
12/04/2025	1011.520	0.238	2.537	0.584	94.201	2.791	0.191	0.010	0.021	0.003	0.004	0.002	0.002
12/03/2025	1017.608	0.311	2.460	0.588	93.569	3.318	0.277	0.015	0.031	0.005	0.006	0.005	0.005
12/02/2025	1011.158	0.224	2.584	0.584	94.208	2.737	0.194	0.011	0.024	0.004	0.005	0.004	0.004
12/01/2025	1005.794	0.182	2.713	0.581	94.608	2.319	0.144	0.008	0.017	0.003	0.003	0.002	0.002
11/30/2025	1002.269	0.164	2.928	0.581	94.600	2.129	0.150	0.008	0.016	0.003	0.003	0.001	0.001
11/29/2025	1004.627	0.183	2.719	0.580	94.722	2.209	0.138	0.008	0.015	0.003	0.002	0.001	0.001
11/28/2025	1006.156	0.200	2.690	0.581	94.559	2.373	0.149	0.008	0.015	0.002	0.002	0.001	0.001
11/27/2025	1012.365	0.279	2.492	0.584	94.111	2.867	0.213	0.011	0.021	0.003	0.003	0.001	0.001
11/26/2025	1019.246	0.405	2.370	0.590	93.298	3.592	0.286	0.014	0.026	0.004	0.004	0.001	0.001
11/25/2025	1012.088	0.285	2.494	0.584	94.102	2.885	0.203	0.009	0.017	0.002	0.002	0.000	0.000
11/24/2025	1014.124	0.281	2.496	0.586	93.888	3.061	0.235	0.011	0.021	0.003	0.003	0.001	0.001
11/23/2025	1017.125	0.307	2.430	0.587	93.648	3.292	0.276	0.013	0.025	0.003	0.003	0.001	0.001
11/22/2025	1012.763	0.209	2.602	0.585	93.980	2.949	0.219	0.010	0.021	0.003	0.003	0.001	0.001
11/21/2025	1011.306	0.186	2.566	0.583	94.289	2.718	0.197	0.011	0.022	0.004	0.004	0.001	0.001
11/20/2025	1013.388	0.263	2.489	0.585	93.993	3.023	0.199	0.009	0.018	0.002	0.003	0.001	0.001
11/19/2025	1009.958	0.167	2.582	0.582	94.367	2.720	0.143	0.006	0.012	0.002	0.002	0.000	0.000
11/18/2025	1007.487	0.175	2.681	0.582	94.443	2.540	0.139	0.006	0.012	0.002	0.002	0.000	0.000
11/17/2025	1011.142	0.179	2.541	0.583	94.343	2.725	0.176	0.009	0.018	0.003	0.003	0.001	0.001
11/16/2025	1007.871	0.153	2.722	0.582	94.372	2.576	0.148	0.008	0.016	0.003	0.002	0.001	0.001
11/15/2025	1005.784	0.131	2.673	0.580	94.770	2.282	0.117	0.007	0.014	0.002	0.002	0.001	0.001
11/14/2025	1008.130	0.164	2.617	0.581	94.561	2.481	0.144	0.008	0.018	0.003	0.003	0.001	0.001
11/13/2025	1006.695	0.139	2.697	0.581	94.628	2.355	0.143	0.009	0.020	0.004	0.003	0.001	0.001
11/12/2025	1010.561	0.162	2.573	0.582	94.431	2.616	0.164	0.011	0.024	0.005	0.006	0.004	0.004
11/11/2025	1008.818	0.163	2.649	0.582	94.458	2.524	0.160	0.009	0.021	0.004	0.005	0.003	0.003
11/10/2025	1008.728	0.151	2.555	0.581	94.688	2.409	0.156	0.010	0.022	0.004	0.004	0.001	0.001
11/09/2025	1009.568	0.192	2.606	0.582	94.367	2.627	0.170	0.010	0.021	0.003	0.003	0.000	0.000
11/08/2025	1013.774	0.224	2.409	0.584	94.228	2.907	0.195	0.010	0.020	0.003	0.003	0.001	0.001
11/07/2025	1010.542	0.191	2.522	0.582	94.402	2.700	0.157	0.008	0.015	0.002	0.002	0.000	0.000
11/06/2025	1010.718	0.196	2.565	0.583	94.293	2.740	0.173	0.009	0.018	0.003	0.002	0.001	0.001
11/05/2025	1010.442	0.183	2.664	0.584	94.190	2.714	0.203	0.012	0.025	0.004	0.004	0.001	0.001
11/04/2025	1012.481	0.192	2.494	0.583	94.291	2.780	0.201	0.011	0.022	0.003	0.003	0.001	0.001
11/03/2025	1012.827	0.191	2.456	0.583	94.375	2.733	0.190	0.010	0.023	0.004	0.006	0.006	0.006
11/02/2025	1012.889	0.178	2.457	0.583	94.382	2.740	0.190	0.010	0.023	0.004	0.005	0.004	0.004