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Gas Quality / Gas Quality By Date

Date Requested: Dec 11 2025 12:07 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


12/11/2025	1021.151	0.373	2.382	0.590	93.129	3.774	0.285	0.015	0.029	0.004	0.004	0.002	0.002
12/10/2025	1024.305	0.423	2.310	0.592	92.840	4.042	0.315	0.017	0.033	0.005	0.005	0.003	0.002
12/09/2025	1015.749	0.305	2.433	0.586	93.839	3.137	0.226	0.013	0.027	0.005	0.005	0.003	0.002
12/08/2025	1026.043	0.458	2.213	0.593	92.741	4.178	0.351	0.017	0.032	0.004	0.003	0.001	0.001
12/07/2025	1018.120	0.305	2.428	0.588	93.598	3.337	0.266	0.014	0.029	0.005	0.005	0.003	0.003
12/06/2025	1008.334	0.146	2.586	0.581	94.743	2.327	0.147	0.009	0.019	0.004	0.005	0.004	0.004
12/05/2025	1009.586	0.164	2.557	0.582	94.635	2.424	0.162	0.010	0.021	0.004	0.005	0.004	0.005
12/04/2025	1011.203	0.226	2.507	0.583	94.330	2.718	0.180	0.010	0.019	0.003	0.003	0.001	0.000
12/03/2025	1006.215	0.139	2.591	0.579	94.963	2.141	0.124	0.008	0.017	0.003	0.004	0.002	0.002
12/02/2025	1013.320	0.210	2.562	0.585	94.111	2.843	0.206	0.011	0.025	0.005	0.006	0.005	0.005
12/01/2025	1013.955	0.249	2.542	0.586	93.978	2.940	0.224	0.012	0.027	0.005	0.007	0.005	0.005
11/30/2025	1008.063	0.231	2.678	0.583	94.309	2.567	0.181	0.009	0.018	0.003	0.003	0.001	0.000
11/29/2025	1005.528	0.197	2.728	0.581	94.557	2.341	0.148	0.008	0.015	0.003	0.002	0.001	0.000
11/28/2025	1007.530	0.217	2.679	0.582	94.391	2.511	0.170	0.009	0.017	0.002	0.002	0.001	0.000
11/27/2025	1011.887	0.279	2.519	0.584	94.107	2.844	0.213	0.010	0.020	0.003	0.003	0.001	0.000
11/26/2025	1019.793	0.419	2.379	0.590	93.185	3.673	0.295	0.014	0.027	0.004	0.003	0.001	0.000
11/25/2025	1009.696	0.243	2.639	0.584	94.136	2.784	0.172	0.007	0.014	0.002	0.002	0.001	0.000
11/24/2025	1009.894	0.273	2.600	0.584	94.170	2.733	0.191	0.008	0.016	0.002	0.002	0.001	0.000
11/23/2025	1011.968	0.180	2.627	0.584	94.187	2.749	0.190	0.010	0.024	0.005	0.006	0.005	0.006
11/22/2025	1011.714	0.171	2.622	0.584	94.237	2.714	0.196	0.010	0.024	0.004	0.005	0.004	0.005
11/21/2025	1009.377	0.183	2.693	0.583	94.205	2.726	0.159	0.008	0.016	0.003	0.003	0.002	0.002
11/20/2025	1007.552	0.177	2.759	0.583	94.243	2.663	0.135	0.006	0.012	0.002	0.002	0.001	0.000
11/19/2025	1008.038	0.187	2.765	0.583	94.146	2.740	0.139	0.006	0.012	0.002	0.002	0.001	0.000
11/18/2025	1007.912	0.182	2.762	0.583	94.183	2.707	0.143	0.006	0.012	0.002	0.002	0.000	0.000
11/17/2025	1008.796	0.157	2.619	0.582	94.482	2.557	0.158	0.007	0.014	0.002	0.002	0.001	0.000
11/16/2025	1012.499	0.223	2.578	0.585	94.015	2.940	0.205	0.010	0.020	0.003	0.003	0.001	0.000
11/15/2025	1005.993	0.128	2.718	0.580	94.650	2.357	0.121	0.007	0.014	0.002	0.002	0.001	0.000
11/14/2025	1009.024	0.158	2.669	0.582	94.421	2.543	0.159	0.010	0.021	0.004	0.005	0.003	0.003
11/13/2025	1007.868	0.133	2.623	0.581	94.674	2.393	0.139	0.009	0.019	0.003	0.003	0.001	0.001
11/12/2025	1011.174	0.166	2.600	0.583	94.291	2.718	0.173	0.011	0.024	0.004	0.005	0.002	0.002
11/11/2025	1013.732	0.178	2.563	0.584	94.202	2.761	0.207	0.013	0.031	0.007	0.010	0.008	0.008
11/10/2025	1006.085	0.109	2.611	0.579	94.917	2.226	0.115	0.006	0.011	0.002	0.002	0.000	0.000
11/09/2025	1006.903	0.117	2.588	0.579	94.843	2.310	0.119	0.006	0.011	0.002	0.002	0.000	0.000
11/08/2025	1010.497	0.173	2.565	0.582	94.354	2.722	0.156	0.008	0.016	0.003	0.002	0.001	0.001
11/07/2025	1009.031	0.147	2.572	0.581	94.566	2.548	0.142	0.007	0.013	0.002	0.002	0.001	0.000
11/06/2025	1008.378	0.135	2.629	0.581	94.553	2.513	0.144	0.007	0.013	0.003	0.002	0.001	0.000
11/05/2025	1009.228	0.169	2.551	0.581	94.562	2.537	0.153	0.008	0.015	0.003	0.002	0.001	0.000
11/04/2025	1011.339	0.178	2.525	0.583	94.372	2.710	0.179	0.009	0.018	0.003	0.002	0.001	0.000
11/03/2025	1010.381	0.172	2.522	0.582	94.520	2.591	0.159	0.008	0.015	0.003	0.002	0.001	0.001
11/02/2025	1016.315	0.191	2.549	0.586	94.010	2.890	0.239	0.015	0.039	0.009	0.014	0.011	0.012
11/01/2025	1015.343	0.190	2.537	0.585	94.102	2.842	0.226	0.014	0.035	0.008	0.011	0.009	0.010
10/31/2025	1016.150	0.212	2.528	0.586	93.973	2.947	0.235	0.014	0.035	0.008	0.011	0.009	0.010
10/30/2025	1016.220	0.208	2.537	0.586	93.953	2.959	0.240	0.015	0.036	0.008	0.011	0.009	0.010
10/29/2025	1015.982	0.231	2.515	0.586	93.900	3.031	0.238	0.014	0.031	0.007	0.009	0.007	0.008
10/28/2025	1020.264	0.500	2.406	0.592	92.846	3.927	0.281	0.011	0.020	0.002	0.002	0.001	0.001
10/27/2025	1019.682	0.418	2.323	0.590	93.287	3.663	0.272	0.011	0.020	0.002	0.002	0.001	0.001
10/26/2025	1019.781	0.382	2.445	0.590	93.167	3.675	0.273	0.009	0.017	0.005	0.006	0.010	0.006
10/25/2025	1016.357	0.319	2.501	0.588	93.574	3.312	0.244	0.011	0.021	0.003	0.003	0.002	0.001
10/24/2025	1015.599	0.186	2.552	0.586	94.075	2.843	0.231	0.015	0.037	0.008	0.013	0.010	0.011
10/23/2025	1014.226	0.179	2.540	0.585	94.212	2.763	0.213	0.013	0.032	0.007	0.010	0.008	0.008
10/22/2025	1012.875	0.173	2.514	0.583	94.373	2.672	0.193	0.012	0.027	0.005	0.007	0.005	0.006
10/21/2025	1012.969	0.178	2.506	0.583	94.355	2.693	0.196	0.012	0.026	0.006	0.007	0.005	0.006
10/20/2025	1006.767	0.171	2.590	0.580	94.748	2.336	0.131	0.007	0.012	0.002	0.002	0.000	0.000
10/19/2025	1009.802	0.166	2.427	0.580	94.770	2.466	0.144	0.007	0.013	0.002	0.002	0.001	0.001
10/18/2025	1011.063	0.161	2.231	0.579	95.055	2.394	0.132	0.007	0.013	0.002	0.002	0.001	0.000
10/17/2025	1011.813	0.186	2.340	0.581	94.707	2.565	0.165	0.010	0.018	0.003	0.003	0.001	0.001
10/16/2025	1011.093	0.185	2.400	0.581	94.658	2.564	0.158	0.008	0.016	0.003	0.002	0.001	0.001
10/15/2025	1008.039	0.137	2.577	0.580	94.800	2.292	0.143	0.009	0.020	0.004	0.006	0.004	0.003
10/14/2025	1003.521	0.101	2.575	0.577	95.321	1.894	0.090	0.005	0.010	0.002	0.002	0.000	0.000
10/13/2025	1004.402	0.107	2.583	0.578	95.181	2.013	0.095	0.005	0.010	0.002	0.002	0.000	0.000
10/12/2025	1006.448	0.133	2.519	0.579	95.015	2.205	0.107	0.006	0.011	0.002	0.002	0.000	0.000
10/11/2025	1008.936	0.156	2.463	0.580	94.805	2.419	0.130	0.007	0.013	0.003	0.002	0.001	0.001
10/10/2025	1011.581	0.195	2.522	0.583	94.284	2.797	0.173	0.009	0.016	0.003	0.002	0.001	0.000
10/09/2025	1011.732	0.186	2.587	0.584	94.140	2.881	0.175	0.008	0.015	0.003	0.003	0.001	0.001
10/08/2025	1012.019	0.178	2.510	0.583	94.363	2.714	0.189	0.010	0.020	0.004	0.004	0.002	0.002
10/07/2025	1016.036	0.228	2.358	0.585	94.057	3.107	0.216	0.010	0.018	0.003	0.002	0.001	0.000
10/06/2025	1014.487	0.208	2.358	0.583	94.282	2.921	0.199	0.009	0.017	0.003	0.002	0.001	0.000
10/05/2025	1011.947	0.179	2.506	0.583	94.314	2.790	0.181	0.008	0.016	0.003	0.002	0.001	0.000
10/04/2025	1014.687	0.197	2.462	0.584	94.113	2.950	0.225	0.014	0.028	0.005	0.004	0.001	0.001
10/03/2025	1010.729	0.192	2.441	0.581	94.589	2.574	0.172	0.009	0.016	0.003	0.002	0.001	0.000
10/02/2025	1009.422	0.188	2.538	0.582	94.541	2.534	0.168	0.008	0.016	0.003	0.003	0.001	0.001
10/01/2025	1009.057	0.166	2.617	0.582	94.470	2.535	0.180	0.009	0.016	0.003	0.003	0.001	0.001
09/30/2025	1009.571	0.173	2.650	0.583	94.305	2.664	0.176	0.008	0.016	0.003	0.003	0.001	0.001
09/29/2025	1008.442	0.177	2.723	0.583	94.281	2.604	0.183	0.008	0.016	0.003	0.003	0.001	0.001
09/28/2025	1010.969	0.179	2.584	0.583	94.282	2.731	0.189	0.009	0.017	0.003	0.003	0.001	0.001
09/27/2025	1012.540	0.197	2.576	0.584	94.088	2.884	0.216	0.010	0.019	0.004	0.003	0.001	0.001
09/26/2025	1011.808	0.135	2.531	0.582	94.368	2.760	0.181	0.007	0.013	0.002	0.002	0.001	0.000
09/25/2025	1010.940	0.113	2.606	0.582	94.371	2.695	0.185	0.008	0.015	0.003	0.002	0.001	0.000
09/24/2025	1007.754	0.113	2.559	0.580	94.880	2.256	0.156	0.009	0.018	0.004	0.003	0.001	0.001
09/23/2025	1003.104	0.091	2.592	0.577	95.398	1.796	0.098	0.005	0.009	0.002	0.003	0.003	0.001
09/22/2025	1005.723	0.095	2.501	0.577	95.247	2.022	0.113	0.005	0.011	0.002	0.002	0.001	0.000
09/21/2025	1009.047	0.135	2.347	0.578	95.131	2.213	0.144	0.008	0.015	0.003	0.003	0.001	0.001
09/20/2025	1013.346	0.228	2.233	0.582	94.666	2.658	0.180	0.009	0.017	0.003	0.003	0.002	0.001
09/19/2025	1014.842	0.220	2.221	0.582	94.542	2.780	0.196	0.010	0.021	0.004	0.003	0.001	0.001
09/18/2025	1014.984	0.177	2.208	0.581	94.661	2.719	0.196	0.011	0.020	0.004	0.003	0.002	0.001
09/17/2025	1013.370	0.133	2.295	0.581	94.723	2.650	0.166	0.009	0.016	0.003	0.003	0.002	0.001
09/16/2025	1012.569	0.138	2.236	0.580	94.966	2.452	0.167	0.010	0.020	0.004	0.003	0.001	0.001
09/15/2025	1013.229	0.148	2.220	0.580	94.934	2.462	0.188	0.013	0.024	0.004	0.004	0.002	0.001
09/14/2025	1009.734	0.145	2.421	0.580	94.886	2.343	0.166	0.010	0.020	0.004	0.003	0.001	0.001
09/13/2025	1010.837	0.138	2.414	0.580	94.770	2.472	0.172	0.009	0.017	0.003	0.003	0.001	0.001
09/12/2025	1009.068	0.105	2.438	0.579	94.967	2.333	0.133	0.006	0.012	0.003	0.002	0.001	0.001
09/11/2025	1005.469	0.102	2.372	0.576	95.551	1.859	0.095	0.005	0.011	0.002	0.002	0.001	0.001
09/10/2025	1003.762	0.102	2.589	0.577	95.279	1.901	0.105	0.005	0.011	0.002	0.002	0.001	0.001
09/09/2025	1006.475	0.111	2.479	0.578	95.197	2.057	0.124	0.007	0.015	0.003	0.003	0.001	0.001