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Gas Quality / Gas Quality By Date

Date Requested: May 21 2026 5:40 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	1023.699	0.348	2.250	0.590	93.302	3.694	0.335	0.017	0.038	0.007	0.009
05/20/2026	1028.665	0.440	2.091	0.593	92.832	4.206	0.359	0.018	0.038	0.007	0.008
05/19/2026	1030.657	0.420	2.095	0.594	92.695	4.263	0.438	0.024	0.049	0.008	0.009
05/18/2026	1026.557	0.285	2.297	0.592	93.012	3.903	0.430	0.021	0.041	0.006	0.006
05/17/2026	1023.396	0.255	2.417	0.590	93.158	3.715	0.391	0.018	0.037	0.005	0.005
05/16/2026	1025.187	0.300	2.327	0.591	93.052	3.866	0.382	0.019	0.040	0.006	0.007
05/15/2026	1028.854	0.402	2.255	0.594	92.648	4.173	0.417	0.026	0.056	0.010	0.012
05/14/2026	1027.837	0.342	2.316	0.593	92.715	4.091	0.450	0.024	0.048	0.006	0.007
05/13/2026	1036.285	0.454	2.139	0.599	92.018	4.663	0.599	0.036	0.071	0.009	0.010
05/12/2026	1029.834	0.395	2.329	0.596	92.363	4.350	0.465	0.026	0.054	0.008	0.010
05/11/2026	1027.421	0.444	2.388	0.596	92.429	4.183	0.446	0.028	0.060	0.010	0.011
05/10/2026	1037.022	0.646	1.778	0.599	92.116	4.922	0.431	0.027	0.058	0.010	0.011
05/09/2026	1025.290	0.382	2.223	0.591	93.073	3.893	0.356	0.019	0.040	0.006	0.008
05/08/2026	1027.090	0.346	2.259	0.592	92.852	4.094	0.377	0.019	0.038	0.006	0.007
05/07/2026	1021.230	0.263	2.473	0.590	93.230	3.654	0.318	0.016	0.033	0.005	0.007
05/06/2026	1020.315	0.257	2.510	0.589	93.256	3.595	0.322	0.017	0.033	0.005	0.005
05/05/2026	1022.526	0.278	2.402	0.590	93.205	3.710	0.336	0.018	0.038	0.006	0.006
05/04/2026	1025.644	0.332	2.410	0.593	92.843	3.892	0.420	0.027	0.056	0.009	0.010
05/03/2026	1022.760	0.307	2.376	0.590	93.316	3.526	0.381	0.024	0.052	0.008	0.011
05/02/2026	1027.346	0.400	2.208	0.593	92.957	3.894	0.440	0.027	0.056	0.009	0.010
05/01/2026	1028.409	0.441	2.151	0.594	92.855	4.029	0.419	0.026	0.057	0.010	0.012
04/30/2026	1027.827	0.450	2.208	0.594	92.717	4.162	0.369	0.023	0.050	0.009	0.012
04/29/2026	1026.730	0.419	2.294	0.594	92.724	4.093	0.381	0.022	0.048	0.009	0.011
04/28/2026	1026.436	0.421	2.258	0.593	92.794	4.075	0.371	0.020	0.044	0.008	0.009
04/27/2026	1025.808	0.383	2.405	0.594	92.717	3.988	0.414	0.024	0.051	0.009	0.010
04/26/2026	1023.194	0.366	2.509	0.593	92.854	3.765	0.397	0.028	0.057	0.011	0.013
04/25/2026	1025.844	0.437	2.228	0.593	92.864	4.019	0.375	0.021	0.043	0.006	0.007
04/24/2026	1029.845	0.557	2.049	0.595	92.542	4.355	0.410	0.023	0.048	0.007	0.008
04/23/2026	1028.402	0.556	2.054	0.594	92.686	4.243	0.375	0.022	0.047	0.008	0.009
04/22/2026	1024.850	0.469	2.183	0.592	92.999	3.932	0.344	0.019	0.041	0.007	0.007
04/21/2026	1029.013	0.506	2.166	0.595	92.506	4.317	0.422	0.022	0.047	0.007	0.008
04/20/2026	1026.130	0.461	2.214	0.593	92.821	4.068	0.358	0.020	0.043	0.007	0.009
04/19/2026	1024.707	0.432	2.273	0.592	92.892	3.970	0.364	0.019	0.039	0.006	0.006
04/18/2026	1026.090	0.431	2.255	0.593	92.760	4.111	0.371	0.019	0.040	0.006	0.006
04/17/2026	1021.898	0.386	2.309	0.590	93.224	3.697	0.318	0.017	0.037	0.006	0.006
04/16/2026	1023.533	0.401	2.339	0.592	92.978	3.839	0.368	0.021	0.043	0.006	0.006
04/15/2026	1021.038	0.369	2.371	0.590	93.223	3.695	0.281	0.016	0.033	0.006	0.007
04/14/2026	1017.587	0.290	2.436	0.587	93.681	3.285	0.253	0.013	0.029	0.006	0.007
04/13/2026	1030.745	0.554	2.072	0.596	92.362	4.574	0.346	0.022	0.049	0.009	0.011
04/12/2026	1024.198	0.415	2.234	0.591	93.047	3.943	0.291	0.016	0.036	0.007	0.009
04/11/2026	1021.317	0.341	2.310	0.589	93.448	3.559	0.269	0.016	0.038	0.008	0.011
04/10/2026	1023.163	0.395	2.222	0.590	93.250	3.790	0.276	0.016	0.035	0.007	0.009
04/09/2026	1027.880	0.519	2.042	0.593	92.821	4.228	0.314	0.018	0.039	0.008	0.010
04/08/2026	1023.819	0.383	1.933	0.587	93.827	3.541	0.258	0.014	0.030	0.006	0.008
04/07/2026	1025.203	0.425	2.018	0.590	93.338	3.882	0.280	0.014	0.030	0.005	0.006
04/06/2026	1021.284	0.310	2.197	0.587	93.698	3.482	0.256	0.013	0.030	0.006	0.008
04/05/2026	1022.446	0.313	2.184	0.588	93.595	3.573	0.277	0.014	0.030	0.006	0.008
04/04/2026	1026.031	0.373	2.125	0.591	93.216	3.913	0.298	0.017	0.039	0.008	0.011
04/03/2026	1022.973	0.386	2.049	0.588	93.668	3.563	0.271	0.015	0.033	0.006	0.008
04/02/2026	1013.415	0.227	2.290	0.582	94.553	2.706	0.184	0.010	0.021	0.004	0.004
04/01/2026	1020.207	0.404	2.070	0.587	93.838	3.421	0.215	0.013	0.027	0.006	0.006
03/31/2026	1035.403	0.723	1.496	0.596	92.703	4.631	0.355	0.023	0.049	0.009	0.011
03/30/2026	1023.337	0.355	2.093	0.588	93.588	3.642	0.263	0.014	0.031	0.006	0.008
03/29/2026	1018.674	0.229	2.288	0.585	93.998	3.196	0.234	0.013	0.028	0.006	0.008
03/28/2026	1017.394	0.256	2.260	0.585	94.068	3.169	0.207	0.011	0.021	0.004	0.005
03/27/2026	1024.093	0.414	1.943	0.588	93.591	3.779	0.231	0.011	0.022	0.004	0.005
03/26/2026	1027.973	0.474	1.855	0.591	93.286	4.017	0.303	0.017	0.034	0.006	0.007
03/25/2026	1022.987	0.395	2.023	0.588	93.662	3.608	0.259	0.013	0.028	0.005	0.006
03/24/2026	1020.437	0.340	2.069	0.586	93.957	3.355	0.231	0.012	0.025	0.005	0.005
03/23/2026	1033.054	0.635	1.605	0.594	92.859	4.494	0.340	0.018	0.036	0.006	0.007
03/22/2026	1039.204	0.777	1.307	0.597	92.452	5.037	0.353	0.019	0.040	0.007	0.008
03/21/2026	1023.389	0.437	2.020	0.589	93.511	3.704	0.277	0.014	0.027	0.005	0.005
03/20/2026	1020.324	0.343	2.111	0.587	93.911	3.356	0.226	0.013	0.028	0.005	0.007
03/19/2026	1019.028	0.306	2.154	0.586	94.075	3.182	0.227	0.013	0.029	0.006	0.007
03/18/2026	1021.054	0.337	2.152	0.587	93.763	3.447	0.245	0.013	0.029	0.006	0.007
03/17/2026	1019.788	0.316	2.062	0.585	94.089	3.273	0.218	0.011	0.022	0.004	0.004
03/16/2026	1028.321	0.497	1.715	0.590	93.540	3.875	0.301	0.018	0.038	0.007	0.008
03/15/2026	1021.777	0.334	2.053	0.587	93.911	3.379	0.264	0.015	0.032	0.006	0.007
03/14/2026	1022.262	0.340	2.059	0.587	93.822	3.462	0.256	0.014	0.032	0.006	0.007
03/13/2026	1019.919	0.270	2.193	0.586	93.940	3.303	0.241	0.013	0.028	0.005	0.006
03/12/2026	1017.288	0.234	2.252	0.584	94.144	3.124	0.208	0.010	0.020	0.004	0.004
03/11/2026	1017.093	0.254	2.180	0.584	94.298	3.025	0.202	0.011	0.022	0.004	0.005
03/10/2026	1022.158	0.377	1.979	0.587	93.923	3.401	0.262	0.015	0.031	0.006	0.006
03/09/2026	1014.564	0.209	2.302	0.583	94.428	2.816	0.210	0.010	0.019	0.003	0.003
03/08/2026	1019.675	0.338	2.080	0.586	94.046	3.242	0.246	0.013	0.026	0.004	0.005
03/07/2026	1021.490	0.335	2.037	0.586	93.952	3.367	0.258	0.013	0.028	0.005	0.006
03/06/2026	1020.501	0.319	2.062	0.586	94.038	3.293	0.237	0.013	0.027	0.005	0.005
03/05/2026	1020.834	0.326	2.105	0.587	93.892	3.380	0.246	0.013	0.028	0.005	0.006
03/04/2026	1020.210	0.317	2.116	0.586	93.925	3.365	0.232	0.012	0.024	0.004	0.004
03/03/2026	1024.300	0.399	1.954	0.588	93.576	3.781	0.248	0.012	0.022	0.003	0.003
03/02/2026	1027.573	0.413	1.930	0.590	93.289	3.991	0.316	0.018	0.034	0.005	0.005
03/01/2026	1034.166	0.514	1.729	0.594	92.756	4.545	0.384	0.021	0.039	0.006	0.006
02/28/2026	1026.476	0.409	1.913	0.589	93.458	3.882	0.282	0.015	0.030	0.005	0.006
02/27/2026	1027.456	0.422	1.860	0.590	93.438	3.929	0.292	0.016	0.031	0.005	0.006
02/26/2026	1028.196	0.427	1.854	0.590	93.335	4.028	0.299	0.016	0.030	0.005	0.005
02/25/2026	1026.951	0.431	1.871	0.590	93.439	3.923	0.283	0.015	0.028	0.005	0.005
02/24/2026	1028.376	0.455	1.812	0.590	93.328	4.070	0.282	0.014	0.028	0.004	0.005
02/23/2026	1025.393	0.392	1.968	0.589	93.489	3.825	0.274	0.014	0.027	0.005	0.005
02/22/2026	1030.612	0.506	1.848	0.593	92.874	4.392	0.323	0.016	0.030	0.005	0.005
02/21/2026	1025.900	0.426	2.029	0.591	93.204	4.004	0.285	0.015	0.028	0.005	0.005
02/20/2026	1026.452	0.418	2.031	0.591	93.174	4.015	0.305	0.016	0.031	0.005	0.005
02/19/2026	1031.425	0.504	1.798	0.593	92.925	4.375	0.330	0.019	0.036	0.006	0.006
02/18/2026	1037.344	0.605	1.504	0.595	92.573	4.929	0.333	0.017	0.031	0.005	0.005
02/17/2026	1035.764	0.611	1.668	0.596	92.451	4.831	0.371	0.020	0.036	0.006	0.006