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Gas Quality / Gas Quality By Date

Date Requested: May 21 2026 6:59 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


05/21/2026	1017.534	0.236	2.429	0.586	93.892	3.074	0.293	0.014	0.032	0.005	0.008	0.006	0.005
05/20/2026	1019.625	0.227	2.443	0.588	93.671	3.251	0.319	0.016	0.038	0.006	0.009	0.007	0.006
05/19/2026	1020.146	0.199	2.473	0.588	93.593	3.316	0.333	0.017	0.038	0.006	0.009	0.006	0.005
05/18/2026	1021.145	0.187	2.448	0.588	93.544	3.360	0.386	0.019	0.038	0.005	0.006	0.003	0.002
05/17/2026	1022.620	0.173	2.418	0.588	93.423	3.536	0.388	0.017	0.033	0.004	0.004	0.002	0.001
05/16/2026	1019.251	0.154	2.557	0.588	93.505	3.400	0.331	0.014	0.028	0.003	0.004	0.002	0.001
05/15/2026	1019.274	0.145	2.534	0.587	93.603	3.336	0.320	0.014	0.030	0.004	0.005	0.003	0.002
05/14/2026	1019.410	0.188	2.555	0.588	93.497	3.351	0.327	0.017	0.037	0.006	0.008	0.005	0.004
05/13/2026	1019.474	0.165	2.570	0.588	93.435	3.421	0.358	0.016	0.029	0.003	0.002	0.001	0.000
05/12/2026	1025.185	0.197	2.509	0.591	93.005	3.689	0.508	0.026	0.051	0.005	0.005	0.003	0.002
05/11/2026	1017.494	0.169	2.804	0.589	93.255	3.305	0.383	0.020	0.043	0.006	0.007	0.004	0.003
05/10/2026	1013.923	0.188	2.981	0.589	93.253	3.125	0.357	0.023	0.050	0.008	0.009	0.004	0.001
05/09/2026	1018.033	0.248	2.170	0.584	94.241	3.044	0.257	0.011	0.021	0.002	0.002	0.001	0.001
05/08/2026	1020.067	0.261	2.348	0.588	93.651	3.377	0.299	0.015	0.031	0.004	0.006	0.003	0.003
05/07/2026	1021.688	0.207	2.439	0.589	93.371	3.600	0.319	0.015	0.031	0.004	0.006	0.004	0.003
05/06/2026	1016.815	0.161	2.599	0.587	93.663	3.254	0.268	0.013	0.026	0.004	0.005	0.003	0.002
05/05/2026	1013.986	0.141	2.685	0.585	93.795	3.098	0.244	0.010	0.020	0.003	0.002	0.001	0.000
05/04/2026	1015.555	0.138	2.566	0.585	93.881	3.137	0.239	0.010	0.020	0.003	0.003	0.001	0.000
05/03/2026	1017.668	0.181	2.574	0.587	93.661	3.208	0.300	0.016	0.036	0.005	0.007	0.004	0.003
05/02/2026	1019.240	0.252	2.451	0.588	93.645	3.229	0.331	0.019	0.042	0.007	0.009	0.006	0.004
05/01/2026	1020.508	0.283	2.357	0.588	93.632	3.297	0.343	0.019	0.041	0.006	0.008	0.005	0.004
04/30/2026	1020.354	0.285	2.387	0.589	93.565	3.351	0.324	0.018	0.039	0.006	0.009	0.006	0.005
04/29/2026	1017.180	0.239	2.506	0.587	93.720	3.207	0.248	0.014	0.033	0.006	0.009	0.007	0.005
04/28/2026	1019.374	0.295	2.481	0.589	93.405	3.432	0.307	0.016	0.036	0.006	0.008	0.006	0.004
04/27/2026	1018.014	0.254	2.501	0.588	93.579	3.302	0.297	0.014	0.031	0.005	0.007	0.004	0.003
04/26/2026	1018.301	0.251	2.518	0.588	93.529	3.322	0.310	0.015	0.034	0.005	0.006	0.004	0.003
04/25/2026	1016.714	0.240	2.496	0.587	93.755	3.159	0.290	0.014	0.030	0.004	0.005	0.003	0.002
04/24/2026	1016.030	0.257	2.420	0.586	93.933	3.064	0.280	0.013	0.026	0.003	0.003	0.001	0.000
04/23/2026	1015.727	0.287	2.427	0.586	93.885	3.074	0.280	0.013	0.025	0.003	0.003	0.001	0.000
04/22/2026	1017.371	0.303	2.445	0.588	93.622	3.279	0.301	0.014	0.028	0.003	0.003	0.001	0.000
04/21/2026	1015.278	0.266	2.470	0.586	93.905	3.041	0.265	0.013	0.027	0.004	0.004	0.002	0.002
04/20/2026	1021.719	0.343	2.414	0.591	93.156	3.653	0.364	0.017	0.036	0.004	0.005	0.003	0.002
04/19/2026	1019.604	0.315	2.424	0.589	93.438	3.436	0.315	0.016	0.035	0.005	0.007	0.004	0.003
04/18/2026	1019.926	0.330	2.440	0.590	93.290	3.543	0.340	0.016	0.032	0.003	0.003	0.001	0.000
04/17/2026	1021.313	0.328	2.432	0.590	93.143	3.687	0.352	0.016	0.033	0.003	0.003	0.001	0.000
04/16/2026	1016.524	0.259	2.495	0.587	93.682	3.247	0.271	0.013	0.026	0.003	0.003	0.001	0.000
04/15/2026	1017.978	0.296	2.504	0.588	93.454	3.375	0.311	0.016	0.034	0.004	0.004	0.001	0.001
04/14/2026	1018.935	0.296	2.532	0.589	93.228	3.609	0.279	0.014	0.030	0.004	0.004	0.002	0.001
04/13/2026	1013.783	0.226	2.532	0.585	94.003	2.972	0.217	0.011	0.023	0.004	0.005	0.003	0.002
04/12/2026	1016.275	0.258	2.509	0.587	93.700	3.248	0.228	0.011	0.024	0.005	0.006	0.004	0.003
04/11/2026	1015.707	0.206	2.538	0.586	93.874	3.085	0.228	0.012	0.027	0.006	0.008	0.006	0.005
04/10/2026	1013.431	0.176	2.521	0.584	94.228	2.815	0.195	0.011	0.026	0.005	0.007	0.006	0.005
04/09/2026	1018.971	0.280	2.409	0.588	93.592	3.400	0.248	0.013	0.029	0.006	0.008	0.006	0.005
04/08/2026	1016.814	0.280	2.394	0.586	93.855	3.177	0.234	0.011	0.025	0.005	0.006	0.004	0.003
04/07/2026	1015.865	0.257	2.394	0.585	94.010	3.066	0.214	0.011	0.025	0.005	0.006	0.005	0.004
04/06/2026	1018.111	0.289	2.414	0.587	93.593	3.408	0.245	0.011	0.023	0.004	0.004	0.003	0.002
04/05/2026	1016.567	0.237	2.465	0.586	93.829	3.174	0.235	0.011	0.025	0.005	0.006	0.004	0.004
04/04/2026	1019.775	0.263	2.457	0.589	93.469	3.464	0.266	0.014	0.032	0.006	0.009	0.007	0.006
04/03/2026	1019.241	0.241	2.514	0.588	93.457	3.441	0.262	0.014	0.034	0.007	0.010	0.007	0.006
04/02/2026	1012.292	0.193	2.494	0.583	94.331	2.732	0.204	0.010	0.022	0.004	0.005	0.002	0.002
04/01/2026	1007.326	0.127	2.590	0.580	94.798	2.313	0.146	0.006	0.013	0.002	0.002	0.001	0.000
03/31/2026	1004.248	0.104	2.681	0.578	95.000	2.092	0.100	0.006	0.011	0.002	0.002	0.001	0.001
03/30/2026	1005.817	0.118	2.714	0.580	94.729	2.295	0.112	0.006	0.013	0.003	0.003	0.002	0.001
03/29/2026	1015.219	0.180	2.528	0.585	93.991	3.026	0.210	0.011	0.026	0.005	0.007	0.005	0.005
03/28/2026	1013.761	0.171	2.579	0.585	94.004	2.999	0.199	0.009	0.020	0.004	0.005	0.004	0.003
03/27/2026	1008.405	0.137	2.630	0.581	94.536	2.533	0.139	0.006	0.012	0.002	0.002	0.001	0.001
03/26/2026	1011.181	0.178	2.484	0.582	94.451	2.708	0.149	0.007	0.015	0.003	0.003	0.002	0.001
03/25/2026	1014.826	0.215	2.517	0.585	93.918	3.098	0.204	0.010	0.021	0.004	0.005	0.003	0.002
03/24/2026	1012.399	0.188	2.581	0.584	94.107	2.895	0.188	0.009	0.018	0.003	0.004	0.002	0.002
03/23/2026	1010.087	0.145	2.562	0.582	94.479	2.631	0.156	0.007	0.014	0.003	0.003	0.001	0.001
03/22/2026	1015.352	0.256	2.554	0.587	93.638	3.294	0.223	0.010	0.018	0.003	0.003	0.001	0.001
03/21/2026	1013.906	0.244	2.537	0.585	93.919	3.018	0.244	0.011	0.020	0.003	0.002	0.001	0.000
03/20/2026	1013.067	0.234	2.554	0.585	94.004	2.955	0.212	0.010	0.019	0.003	0.003	0.002	0.001
03/19/2026	1013.758	0.224	2.509	0.585	94.095	2.923	0.187	0.010	0.024	0.005	0.006	0.005	0.004
03/18/2026	1015.815	0.245	2.455	0.586	93.940	3.080	0.213	0.012	0.027	0.005	0.007	0.005	0.005
03/17/2026	1014.716	0.240	2.502	0.585	93.946	3.048	0.205	0.011	0.024	0.005	0.006	0.005	0.004
03/16/2026	1016.941	0.268	2.260	0.585	94.074	3.162	0.199	0.009	0.018	0.003	0.003	0.001	0.001
03/15/2026	1016.747	0.251	2.330	0.585	94.075	3.071	0.211	0.011	0.026	0.005	0.006	0.004	0.004
03/14/2026	1016.092	0.226	2.424	0.585	94.013	3.041	0.233	0.013	0.028	0.005	0.006	0.004	0.003
03/13/2026	1014.825	0.196	2.473	0.584	94.108	2.956	0.205	0.011	0.026	0.005	0.006	0.004	0.004
03/12/2026	1012.209	0.186	2.500	0.583	94.060	3.248	0.000	0.000	0.000	0.000	0.000	0.003	0.002
03/11/2026	1008.362	0.129	2.621	0.581	94.516	2.624	0.097	0.003	0.008	0.001	0.001	0.001	0.000
03/10/2026	1008.509	0.101	2.587	0.580	94.678	2.494	0.119	0.005	0.010	0.002	0.002	0.001	0.000
03/09/2026	1012.407	0.157	2.594	0.584	94.175	2.833	0.195	0.009	0.021	0.004	0.005	0.003	0.003
03/08/2026	1008.893	0.120	2.654	0.581	94.506	2.507	0.182	0.008	0.015	0.002	0.002	0.001	0.001
03/07/2026	1010.073	0.153	2.601	0.582	94.421	2.599	0.192	0.009	0.017	0.003	0.003	0.001	0.001
03/06/2026	1013.345	0.182	2.477	0.583	94.253	2.847	0.200	0.009	0.018	0.003	0.003	0.002	0.002
03/05/2026	1014.457	0.219	2.415	0.584	94.179	2.946	0.193	0.010	0.021	0.003	0.004	0.003	0.002
03/04/2026	1014.650	0.233	2.436	0.585	94.083	3.000	0.200	0.010	0.022	0.004	0.004	0.003	0.002
03/03/2026	1013.322	0.211	2.469	0.584	94.175	2.919	0.188	0.009	0.019	0.003	0.003	0.002	0.001
03/02/2026	1016.992	0.288	2.345	0.586	93.816	3.309	0.206	0.010	0.019	0.003	0.003	0.001	0.000
03/01/2026	1021.649	0.325	2.270	0.589	93.431	3.628	0.286	0.016	0.033	0.004	0.004	0.002	0.001
02/28/2026	1025.101	0.360	2.226	0.591	93.064	3.947	0.341	0.017	0.033	0.004	0.004	0.002	0.001
02/27/2026	1020.755	0.320	2.277	0.588	93.518	3.575	0.257	0.013	0.025	0.004	0.004	0.002	0.002
02/26/2026	1020.797	0.319	2.186	0.587	93.718	3.479	0.244	0.013	0.026	0.004	0.004	0.003	0.002
02/25/2026	1020.333	0.306	2.195	0.587	93.786	3.422	0.235	0.012	0.025	0.004	0.004	0.003	0.002
02/24/2026	1019.617	0.297	2.249	0.587	93.792	3.370	0.234	0.012	0.025	0.004	0.005	0.003	0.003
02/23/2026	1018.920	0.278	2.302	0.587	93.790	3.342	0.229	0.012	0.026	0.004	0.005	0.003	0.003
02/22/2026	1019.810	0.299	2.306	0.588	93.627	3.463	0.247	0.013	0.026	0.004	0.005	0.003	0.002
02/21/2026	1019.848	0.328	2.339	0.588	93.467	3.563	0.249	0.013	0.026	0.004	0.004	0.003	0.002
02/20/2026	1021.329	0.354	2.279	0.589	93.352	3.702	0.259	0.014	0.027	0.004	0.005	0.002	0.001
02/19/2026	1021.432	0.324	2.308	0.589	93.348	3.700	0.263	0.014	0.028	0.005	0.005	0.003	0.001
02/18/2026	1018.394	0.294	2.429	0.588	93.543	3.422	0.248	0.015	0.030	0.006	0.006	0.003	0.002
02/17/2026	1022.727	0.338	2.343	0.590	93.188	3.736	0.311	0.020	0.039	0.008	0.008	0.005	0.003