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Gas Quality / Gas Quality By Date

Date Requested: Mar 20 2026 4:28 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


03/20/2026	1058.906	0.453	2.127	0.613	89.007	7.669	0.676	0.023	0.036	0.003	0.003	0.001	0.001
03/19/2026	1058.906	0.453	2.127	0.613	89.007	7.669	0.676	0.023	0.036	0.003	0.003	0.001	0.001
03/18/2026	1058.642	0.484	1.917	0.611	89.261	7.780	0.504	0.017	0.029	0.003	0.003	0.001	0.001
03/17/2026	1045.586	0.061	2.823	0.606	89.682	7.002	0.405	0.009	0.014	0.002	0.001	0.000	0.000
03/16/2026	1048.929	0.083	2.798	0.608	89.329	7.287	0.471	0.010	0.017	0.002	0.001	0.001	0.001
03/15/2026	1043.524	0.026	2.687	0.602	90.315	6.579	0.360	0.010	0.017	0.002	0.002	0.001	0.001
03/14/2026	1038.865	0.041	3.002	0.603	90.123	6.466	0.343	0.008	0.013	0.002	0.001	0.001	0.001
03/13/2026	1043.329	0.064	2.697	0.603	90.256	6.574	0.368	0.012	0.022	0.003	0.002	0.001	0.001
03/12/2026	1045.453	0.024	2.559	0.602	90.382	6.628	0.371	0.011	0.019	0.002	0.002	0.001	0.001
03/11/2026	1041.889	0.054	2.737	0.602	90.329	6.503	0.346	0.010	0.016	0.002	0.002	0.001	0.001
03/10/2026	1047.829	0.108	2.508	0.604	90.035	6.908	0.402	0.012	0.021	0.002	0.002	0.001	0.001
03/09/2026	1042.448	0.163	2.733	0.604	90.038	6.670	0.360	0.012	0.020	0.002	0.002	0.000	0.000
03/08/2026	1043.762	0.131	2.684	0.604	90.240	6.383	0.504	0.019	0.033	0.003	0.002	0.001	0.001
03/07/2026	1046.549	0.174	2.689	0.607	89.824	6.699	0.549	0.021	0.037	0.003	0.003	0.001	0.001
03/06/2026	1044.876	0.209	2.570	0.605	90.192	6.471	0.493	0.020	0.035	0.005	0.005	0.001	0.001
03/05/2026	1038.530	0.040	2.967	0.602	90.372	6.190	0.369	0.014	0.024	0.014	0.010	0.001	0.001
03/04/2026	1043.529	0.028	2.774	0.603	90.200	6.530	0.418	0.016	0.028	0.002	0.002	0.001	0.001
03/03/2026	1042.702	0.027	2.822	0.603	90.209	6.461	0.432	0.016	0.028	0.002	0.002	0.000	0.000
03/02/2026	1042.716	0.051	2.885	0.604	90.034	6.514	0.470	0.016	0.026	0.002	0.002	0.000	0.000
03/01/2026	1050.388	0.270	2.560	0.609	89.415	7.127	0.566	0.021	0.036	0.003	0.002	0.001	0.001
02/28/2026	1051.261	0.290	2.491	0.609	89.432	7.147	0.569	0.023	0.040	0.003	0.003	0.001	0.001
02/27/2026	1057.018	0.398	2.326	0.613	88.935	7.597	0.660	0.027	0.048	0.004	0.003	0.001	0.001
02/26/2026	1051.542	0.337	2.376	0.609	89.475	7.237	0.519	0.019	0.032	0.002	0.002	0.001	0.001
02/25/2026	1050.176	0.323	2.370	0.608	89.664	7.098	0.491	0.018	0.030	0.002	0.002	0.001	0.001
02/24/2026	1056.603	0.491	2.148	0.612	89.122	7.547	0.620	0.025	0.041	0.003	0.002	0.001	0.001
02/23/2026	1053.951	0.482	2.180	0.611	89.303	7.441	0.534	0.020	0.033	0.003	0.002	0.001	0.001
02/22/2026	1055.104	0.411	2.221	0.611	89.271	7.465	0.563	0.023	0.039	0.003	0.002	0.001	0.001
02/21/2026	1055.246	0.382	2.297	0.611	89.155	7.518	0.583	0.022	0.036	0.003	0.003	0.001	0.001
02/20/2026	1058.134	0.464	2.166	0.613	88.966	7.701	0.624	0.026	0.043	0.005	0.004	0.001	0.001
02/19/2026	1055.013	0.355	2.358	0.611	89.133	7.492	0.587	0.024	0.040	0.005	0.004	0.001	0.001
02/18/2026	1054.307	0.336	2.444	0.612	89.069	7.489	0.586	0.024	0.040	0.005	0.004	0.001	0.001
02/17/2026	1053.085	0.337	2.462	0.611	89.166	7.394	0.565	0.024	0.041	0.005	0.004	0.001	0.001
02/16/2026	1054.303	0.425	2.323	0.612	89.144	7.450	0.579	0.024	0.041	0.005	0.004	0.001	0.001
02/15/2026	1058.271	0.473	2.201	0.614	88.880	7.727	0.627	0.028	0.049	0.006	0.005	0.002	0.002
02/14/2026	1053.231	0.416	2.394	0.612	89.135	7.423	0.547	0.024	0.041	0.012	0.006	0.001	0.001
02/13/2026	1047.183	0.284	2.603	0.608	89.599	6.986	0.470	0.019	0.032	0.003	0.003	0.001	0.001
02/12/2026	1056.613	0.457	2.320	0.614	88.839	7.663	0.640	0.027	0.045	0.004	0.004	0.001	0.001
02/11/2026	1052.240	0.389	2.453	0.611	89.166	7.347	0.577	0.022	0.037	0.003	0.003	0.001	0.001
02/10/2026	1057.797	0.471	2.294	0.614	88.769	7.700	0.680	0.028	0.047	0.005	0.004	0.001	0.001
02/09/2026	1054.331	0.423	2.448	0.613	89.013	7.306	0.723	0.030	0.048	0.004	0.003	0.001	0.001
02/08/2026	1050.582	0.407	2.454	0.610	89.300	7.231	0.541	0.022	0.036	0.003	0.003	0.001	0.001
02/07/2026	1048.593	0.334	2.538	0.609	89.478	7.095	0.490	0.021	0.036	0.003	0.003	0.001	0.001
02/06/2026	1045.743	0.267	2.597	0.607	89.742	6.947	0.405	0.014	0.023	0.003	0.002	0.001	0.001
02/05/2026	1053.170	0.324	2.359	0.610	89.276	7.522	0.467	0.017	0.027	0.003	0.003	0.001	0.001
02/04/2026	1056.177	0.424	2.215	0.612	89.015	7.799	0.497	0.017	0.027	0.003	0.002	0.001	0.001
02/03/2026	1063.507	0.586	1.972	0.616	88.335	8.476	0.577	0.018	0.029	0.003	0.002	0.001	0.001
02/02/2026	1061.711	0.554	2.078	0.616	88.376	8.378	0.565	0.017	0.027	0.003	0.002	0.001	0.001
02/01/2026	1063.949	0.560	2.197	0.619	88.008	8.445	0.703	0.030	0.042	0.006	0.004	0.002	0.002
01/31/2026	1064.044	0.760	2.124	0.621	87.740	8.553	0.735	0.030	0.046	0.005	0.004	0.002	0.002
01/30/2026	1066.209	0.584	2.279	0.621	87.782	8.267	0.980	0.041	0.055	0.005	0.004	0.001	0.001
01/29/2026	1035.979	0.310	6.127	0.639	84.612	7.208	1.258	0.106	0.233	0.047	0.052	0.022	0.022
01/28/2026	1024.696	0.366	8.706	0.660	81.349	6.950	1.788	0.176	0.406	0.084	0.095	0.039	0.039
01/27/2026	1050.126	0.562	3.960	0.629	86.734	7.317	1.053	0.081	0.190	0.036	0.041	0.012	0.012
01/26/2026	1065.105	0.711	0.847	0.608	90.365	7.522	0.507	0.017	0.026	0.002	0.001	0.000	0.000
01/25/2026	1073.451	0.978	0.889	0.618	88.726	8.711	0.631	0.022	0.035	0.004	0.003	0.001	0.001
01/24/2026	1061.622	0.569	1.924	0.614	88.690	8.221	0.548	0.017	0.027	0.002	0.002	0.000	0.000
01/23/2026	1059.361	0.530	2.090	0.614	88.642	8.186	0.503	0.016	0.026	0.003	0.002	0.001	0.001
01/22/2026	1059.404	0.500	2.025	0.613	88.863	8.050	0.518	0.015	0.024	0.002	0.002	0.000	0.000
01/21/2026	1060.569	0.534	1.867	0.613	89.019	8.003	0.532	0.016	0.025	0.002	0.002	0.001	0.001
01/20/2026	1060.530	0.524	1.933	0.613	88.935	7.992	0.567	0.017	0.027	0.002	0.002	0.000	0.000
01/19/2026	1062.906	0.589	1.935	0.616	88.611	8.116	0.686	0.022	0.034	0.003	0.002	0.000	0.000
01/18/2026	1061.846	0.600	1.938	0.615	88.602	8.223	0.584	0.018	0.030	0.003	0.002	0.000	0.000
01/17/2026	1063.891	0.579	2.005	0.617	88.310	8.396	0.643	0.022	0.037	0.003	0.003	0.001	0.001
01/16/2026	1058.113	0.449	2.147	0.613	88.895	7.925	0.534	0.017	0.028	0.002	0.002	0.000	0.000
01/15/2026	1058.760	0.436	2.164	0.613	88.800	8.013	0.539	0.016	0.026	0.002	0.002	0.000	0.000
01/14/2026	1057.401	0.389	2.205	0.612	88.971	7.870	0.517	0.016	0.026	0.002	0.002	0.001	0.001
01/13/2026	1061.868	0.512	2.047	0.615	88.574	8.203	0.612	0.018	0.028	0.003	0.002	0.000	0.000
01/12/2026	1063.262	0.520	2.051	0.616	88.389	8.358	0.627	0.019	0.030	0.003	0.002	0.001	0.001
01/11/2026	1060.678	0.513	2.065	0.614	88.647	8.153	0.571	0.017	0.028	0.003	0.002	0.001	0.001
01/10/2026	1053.684	0.162	2.515	0.609	89.215	7.579	0.492	0.012	0.020	0.002	0.002	0.000	0.000
01/09/2026	1055.737	0.227	2.458	0.611	88.983	7.751	0.540	0.014	0.023	0.002	0.001	0.000	0.000
01/08/2026	1063.573	0.476	2.100	0.616	88.367	8.348	0.650	0.020	0.032	0.003	0.003	0.001	0.001
01/07/2026	1065.453	0.536	2.038	0.618	88.157	8.533	0.674	0.020	0.034	0.003	0.003	0.001	0.001
01/06/2026	1061.229	0.369	2.237	0.614	88.603	8.085	0.639	0.021	0.037	0.003	0.003	0.001	0.001
01/05/2026	1059.254	0.399	2.225	0.613	88.733	8.011	0.579	0.018	0.029	0.003	0.002	0.001	0.001
01/04/2026	1061.234	0.370	2.181	0.614	88.686	8.088	0.621	0.018	0.029	0.003	0.002	0.001	0.001
01/03/2026	1058.796	0.426	2.219	0.613	88.751	7.963	0.592	0.016	0.027	0.003	0.002	0.001	0.001
01/02/2026	1055.554	0.362	2.314	0.611	89.022	7.731	0.531	0.013	0.022	0.002	0.002	0.001	0.001
01/01/2026	1053.950	0.203	2.522	0.610	89.120	7.581	0.532	0.013	0.023	0.003	0.002	0.001	0.001
12/31/2025	1056.725	0.269	2.460	0.612	88.761	7.918	0.555	0.013	0.021	0.002	0.002	0.000	0.000
12/30/2025	1063.849	0.317	2.199	0.615	88.504	8.243	0.671	0.021	0.036	0.004	0.003	0.001	0.001
12/29/2025	1060.027	0.354	2.317	0.614	88.585	8.063	0.618	0.020	0.035	0.004	0.003	0.001	0.001
12/28/2025	1060.732	0.398	2.278	0.615	88.481	8.159	0.622	0.019	0.034	0.004	0.003	0.001	0.001
12/27/2025	1061.808	0.380	2.319	0.616	88.286	8.325	0.630	0.019	0.032	0.003	0.003	0.001	0.001
12/26/2025	1060.270	0.466	2.278	0.616	88.338	8.267	0.599	0.017	0.028	0.003	0.003	0.001	0.001
12/25/2025	1056.489	0.421	2.297	0.613	88.819	7.882	0.533	0.015	0.026	0.003	0.002	0.001	0.001
12/24/2025	1058.889	0.389	2.329	0.614	88.585	8.043	0.598	0.018	0.031	0.003	0.003	0.001	0.001
12/23/2025	1055.083	0.126	2.629	0.611	88.904	7.758	0.548	0.012	0.020	0.002	0.002	0.000	0.000
12/22/2025	1053.561	0.103	2.662	0.610	89.087	7.565	0.541	0.013	0.023	0.003	0.002	0.001	0.001
12/21/2025	1053.280	0.120	2.686	0.610	89.002	7.631	0.522	0.012	0.021	0.002	0.002	0.000	0.000
12/20/2025	1055.591	0.272	2.553	0.612	88.727	7.825	0.576	0.015	0.026	0.003	0.002	0.001	0.001
12/19/2025	1061.075	0.299	2.370	0.614	88.424	8.236	0.621	0.017	0.028	0.002	0.002	0.000	0.000
12/18/2025	1056.263	0.118	2.481	0.610	89.117	7.697	0.549	0.013	0.021	0.002	0.001	0.000	0.000
12/17/2025	1065.603	0.599	1.912	0.617	88.250	8.534	0.642	0.020	0.034	0.003	0.003	0.001	0.001