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Gas Quality / Gas Quality By Date

Date Requested: Dec 11 2025 11:52 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


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
11/01/2025	1013.172	0.188	2.546	0.584	94.123	2.899	0.192	0.010	0.023	0.004	0.006	0.005	0.005
10/31/2025	1010.962	0.177	2.553	0.583	94.377	2.678	0.171	0.009	0.020	0.004	0.005	0.004	0.004
10/30/2025	1011.501	0.221	2.539	0.583	94.219	2.805	0.180	0.009	0.018	0.003	0.003	0.002	0.002
10/29/2025	1015.076	0.279	2.455	0.586	93.854	3.157	0.215	0.011	0.021	0.003	0.003	0.001	0.001
10/28/2025	1025.532	0.536	2.160	0.593	92.756	4.143	0.339	0.019	0.036	0.005	0.004	0.001	0.001
10/27/2025	1017.288	0.392	2.350	0.588	93.560	3.417	0.245	0.011	0.019	0.002	0.002	0.001	0.001
10/26/2025	1018.409	0.383	2.394	0.589	93.341	3.594	0.252	0.010	0.019	0.002	0.002	0.001	0.001
10/25/2025	1018.089	0.350	2.423	0.589	93.434	3.491	0.251	0.012	0.024	0.004	0.005	0.003	0.003
10/24/2025	1012.897	0.238	2.497	0.584	94.101	2.947	0.179	0.008	0.017	0.003	0.004	0.003	0.003
10/23/2025	1011.728	0.191	2.492	0.583	94.396	2.693	0.184	0.009	0.020	0.004	0.004	0.003	0.003
10/22/2025	1010.170	0.172	2.520	0.582	94.553	2.539	0.177	0.009	0.019	0.003	0.004	0.002	0.002
10/21/2025	1006.312	0.154	2.645	0.580	94.735	2.303	0.136	0.007	0.014	0.002	0.002	0.001	0.001
10/20/2025	1006.714	0.140	2.485	0.579	95.044	2.202	0.109	0.005	0.010	0.002	0.002	0.000	0.000
10/19/2025	1008.784	0.168	2.450	0.580	94.834	2.386	0.135	0.007	0.014	0.002	0.002	0.001	0.001
10/18/2025	1008.196	0.156	2.483	0.580	94.858	2.345	0.131	0.007	0.014	0.002	0.002	0.001	0.001
10/17/2025	1010.223	0.172	2.417	0.581	94.737	2.496	0.146	0.008	0.015	0.003	0.003	0.001	0.001
10/16/2025	1008.070	0.152	2.483	0.580	94.899	2.300	0.136	0.007	0.015	0.003	0.003	0.001	0.001
10/15/2025	1006.296	0.128	2.502	0.578	95.106	2.118	0.121	0.006	0.013	0.002	0.002	0.001	0.001
10/14/2025	1006.692	0.120	2.514	0.579	95.038	2.190	0.117	0.006	0.011	0.002	0.002	0.000	0.000
10/13/2025	1012.259	0.202	2.478	0.583	94.294	2.810	0.183	0.009	0.017	0.002	0.002	0.001	0.001
10/12/2025	1013.367	0.233	2.443	0.584	94.169	2.931	0.192	0.009	0.017	0.003	0.002	0.001	0.001
10/11/2025	1013.494	0.230	2.430	0.584	94.186	2.933	0.191	0.009	0.017	0.002	0.002	0.001	0.001
10/10/2025	1012.888	0.220	2.504	0.584	94.107	2.957	0.182	0.008	0.016	0.003	0.003	0.001	0.001
10/09/2025	1011.621	0.184	2.548	0.583	94.230	2.845	0.166	0.007	0.014	0.002	0.002	0.001	0.001
10/08/2025	1012.315	0.200	2.507	0.583	94.217	2.865	0.180	0.008	0.016	0.003	0.002	0.001	0.001
10/07/2025	1012.899	0.231	2.554	0.585	93.990	2.987	0.204	0.009	0.018	0.003	0.003	0.001	0.001
10/06/2025	1014.364	0.219	2.448	0.584	94.148	2.901	0.232	0.013	0.028	0.005	0.005	0.001	0.001
10/05/2025	1015.264	0.204	2.461	0.585	94.099	2.903	0.263	0.018	0.040	0.006	0.005	0.001	0.001
10/04/2025	1026.443	0.517	2.023	0.592	92.914	4.213	0.276	0.015	0.029	0.005	0.005	0.001	0.001
10/03/2025	1048.806	0.997	1.357	0.607	90.601	6.569	0.408	0.019	0.035	0.006	0.006	0.002	0.002
10/02/2025	1047.947	0.978	1.358	0.606	90.732	6.470	0.396	0.018	0.033	0.005	0.006	0.002	0.002
10/01/2025	1047.951	0.978	1.356	0.606	90.734	6.474	0.394	0.018	0.033	0.005	0.006	0.002	0.002
09/30/2025	1050.722	1.071	1.341	0.609	90.294	6.764	0.437	0.023	0.047	0.008	0.009	0.002	0.002
09/29/2025	1050.567	1.058	1.347	0.609	90.312	6.768	0.430	0.022	0.043	0.008	0.008	0.002	0.002
09/28/2025	1049.398	1.014	1.351	0.608	90.512	6.637	0.414	0.019	0.037	0.006	0.007	0.002	0.002
09/27/2025	1009.236	0.155	2.522	0.581	94.677	2.451	0.161	0.008	0.017	0.003	0.003	0.001	0.001
09/26/2025	1009.707	0.147	2.490	0.581	94.685	2.500	0.153	0.007	0.014	0.002	0.002	0.001	0.001
09/25/2025	1012.892	0.121	2.501	0.582	94.337	2.825	0.192	0.007	0.013	0.002	0.002	0.000	0.000
09/24/2025	1009.511	0.128	2.590	0.581	94.542	2.540	0.173	0.007	0.014	0.002	0.002	0.001	0.001
09/23/2025	1012.342	0.181	2.470	0.583	94.366	2.754	0.195	0.009	0.018	0.003	0.003	0.001	0.001
09/22/2025	1015.778	0.213	2.257	0.583	94.354	2.934	0.206	0.010	0.019	0.003	0.003	0.001	0.001
09/21/2025	1015.871	0.211	2.263	0.583	94.335	2.946	0.208	0.010	0.019	0.003	0.003	0.001	0.001
09/20/2025	1015.937	0.212	2.259	0.583	94.333	2.952	0.208	0.010	0.019	0.003	0.003	0.001	0.001
09/19/2025	1016.440	0.215	2.240	0.583	94.306	2.994	0.209	0.010	0.019	0.003	0.003	0.001	0.001
09/18/2025	1019.865	0.241	2.239	0.586	93.865	3.353	0.260	0.012	0.023	0.003	0.003	0.001	0.001
09/17/2025	1015.095	0.182	2.342	0.583	94.320	2.914	0.206	0.009	0.019	0.003	0.003	0.001	0.001
09/16/2025	1012.135	0.129	2.208	0.579	95.064	2.426	0.144	0.007	0.014	0.003	0.003	0.001	0.001
09/15/2025	1012.277	0.136	2.186	0.579	95.081	2.421	0.146	0.007	0.015	0.003	0.003	0.001	0.001
09/14/2025	1011.957	0.131	2.172	0.578	95.160	2.366	0.143	0.007	0.014	0.003	0.003	0.001	0.001
09/13/2025	1012.140	0.127	2.215	0.579	95.055	2.427	0.146	0.007	0.015	0.003	0.003	0.001	0.001
09/12/2025	1012.588	0.142	2.196	0.579	95.012	2.467	0.151	0.008	0.015	0.003	0.003	0.001	0.001
09/11/2025	1012.856	0.147	2.223	0.580	94.908	2.535	0.154	0.008	0.016	0.003	0.003	0.001	0.001
09/10/2025	1011.755	0.129	2.164	0.578	95.199	2.345	0.137	0.007	0.013	0.002	0.002	0.001	0.001
09/09/2025	1012.201	0.131	2.177	0.579	95.117	2.404	0.143	0.007	0.014	0.003	0.003	0.001	0.001