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Gas Quality / Gas Quality By Date

Date Requested: May 21 2026 5:36 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	1025.943	0.344	2.364	0.593	92.926	3.773	0.478	0.031	0.056	0.009	0.010	0.004	0.004
05/20/2026	1041.179	0.538	2.101	0.603	91.508	4.925	0.747	0.052	0.094	0.013	0.013	0.004	0.004
05/19/2026	1044.255	0.598	2.008	0.605	91.195	5.247	0.778	0.051	0.090	0.012	0.012	0.004	0.004
05/18/2026	1041.672	0.580	1.972	0.602	91.537	5.062	0.693	0.045	0.081	0.011	0.011	0.004	0.004
05/17/2026	1047.052	0.655	1.898	0.606	90.958	5.524	0.796	0.050	0.088	0.011	0.011	0.004	0.004
05/16/2026	1046.898	0.675	1.911	0.607	90.916	5.517	0.816	0.050	0.086	0.011	0.010	0.004	0.004
05/15/2026	1047.833	0.684	1.899	0.607	90.840	5.567	0.839	0.051	0.089	0.011	0.011	0.004	0.004
05/14/2026	1065.432	1.168	1.466	0.622	88.707	7.432	1.008	0.063	0.115	0.015	0.015	0.005	0.005
05/13/2026	1098.999	1.976	0.427	0.645	85.354	10.712	1.166	0.095	0.201	0.029	0.030	0.005	0.005
05/12/2026	1098.539	2.026	0.430	0.646	85.320	10.681	1.161	0.097	0.209	0.031	0.032	0.006	0.006
05/11/2026	1097.824	1.969	0.426	0.644	85.476	10.634	1.136	0.093	0.197	0.028	0.029	0.005	0.005
05/10/2026	1093.133	1.851	0.416	0.639	86.263	10.058	1.085	0.086	0.179	0.025	0.026	0.005	0.005
05/09/2026	1105.409	2.126	0.456	0.652	84.363	11.207	1.520	0.095	0.181	0.019	0.019	0.007	0.007
05/08/2026	1105.130	2.149	0.451	0.652	84.097	11.663	1.362	0.081	0.153	0.016	0.017	0.006	0.006
05/07/2026	1097.770	1.978	0.506	0.645	85.354	10.539	1.301	0.088	0.178	0.022	0.023	0.005	0.005
05/06/2026	1030.553	0.533	2.093	0.596	92.410	4.449	0.421	0.025	0.047	0.008	0.008	0.003	0.003
05/05/2026	1036.733	0.601	2.037	0.600	91.670	5.121	0.454	0.030	0.056	0.011	0.012	0.004	0.004
05/04/2026	1023.473	0.340	2.283	0.590	93.199	3.753	0.368	0.017	0.030	0.004	0.004	0.001	0.001
05/03/2026	1014.738	0.215	2.458	0.585	94.055	2.994	0.241	0.011	0.019	0.003	0.003	0.001	0.001
05/02/2026	1019.265	0.231	2.390	0.587	93.688	3.320	0.319	0.015	0.027	0.004	0.004	0.001	0.001
05/01/2026	1015.406	0.208	2.409	0.584	94.122	2.959	0.261	0.012	0.021	0.003	0.003	0.001	0.001
04/30/2026	1018.667	0.265	2.286	0.586	93.902	3.201	0.300	0.014	0.025	0.003	0.003	0.001	0.001
04/29/2026	1018.906	0.296	2.317	0.587	93.739	3.293	0.307	0.015	0.026	0.003	0.003	0.001	0.001
04/28/2026	1016.240	0.259	2.345	0.585	94.046	3.043	0.264	0.013	0.022	0.003	0.003	0.001	0.001
04/27/2026	1016.943	0.252	2.306	0.585	94.087	3.031	0.281	0.013	0.023	0.003	0.003	0.001	0.001
04/26/2026	1023.950	0.344	2.252	0.590	93.217	3.741	0.388	0.018	0.032	0.003	0.003	0.001	0.001
04/25/2026	1027.932	0.411	2.196	0.593	92.758	4.117	0.450	0.021	0.037	0.004	0.004	0.001	0.001
04/24/2026	1020.894	0.325	2.267	0.588	93.568	3.454	0.329	0.017	0.030	0.004	0.004	0.001	0.001
04/23/2026	1022.317	0.337	2.286	0.590	93.331	3.640	0.348	0.017	0.031	0.004	0.004	0.001	0.001
04/22/2026	1023.245	0.342	2.288	0.590	93.231	3.695	0.383	0.018	0.033	0.004	0.003	0.001	0.001
04/21/2026	1022.258	0.299	2.311	0.589	93.356	3.641	0.337	0.017	0.030	0.004	0.004	0.001	0.001
04/20/2026	1021.675	0.338	2.316	0.589	93.374	3.559	0.345	0.019	0.035	0.005	0.005	0.002	0.002
04/19/2026	1027.166	0.437	2.275	0.594	92.643	4.154	0.391	0.025	0.048	0.009	0.009	0.004	0.004
04/18/2026	1004.787	0.064	2.592	0.577	95.324	1.838	0.133	0.011	0.019	0.005	0.006	0.004	0.004
04/17/2026	1005.833	0.072	2.683	0.579	95.095	1.894	0.169	0.019	0.033	0.010	0.011	0.007	0.007
04/16/2026	1020.003	0.217	2.358	0.587	93.686	3.424	0.252	0.013	0.026	0.006	0.007	0.005	0.005
04/15/2026	1036.864	0.476	2.180	0.600	91.606	5.178	0.456	0.024	0.044	0.009	0.010	0.008	0.008
04/14/2026	1029.693	0.455	2.107	0.594	92.663	4.300	0.375	0.021	0.043	0.009	0.012	0.007	0.007
04/13/2026	1026.331	0.424	2.124	0.592	92.991	4.066	0.330	0.017	0.031	0.005	0.006	0.003	0.003
04/12/2026	1041.499	0.656	1.851	0.602	91.339	5.579	0.476	0.026	0.046	0.009	0.009	0.004	0.004
04/11/2026	1035.203	0.577	1.993	0.598	91.951	4.962	0.419	0.025	0.045	0.009	0.009	0.005	0.005
04/10/2026	1028.957	0.471	2.135	0.594	92.615	4.321	0.371	0.022	0.038	0.008	0.009	0.005	0.005
04/09/2026	1028.463	0.433	2.191	0.594	92.611	4.326	0.356	0.021	0.037	0.008	0.008	0.004	0.004
04/08/2026	1027.017	0.395	2.298	0.594	92.703	4.131	0.370	0.024	0.043	0.010	0.011	0.006	0.006
04/07/2026	1011.457	0.161	2.440	0.581	94.602	2.569	0.191	0.010	0.017	0.004	0.004	0.002	0.002
04/06/2026	1007.951	0.116	2.476	0.579	95.011	2.226	0.146	0.007	0.011	0.002	0.002	0.001	0.001
04/05/2026	1010.463	0.127	2.528	0.581	94.600	2.537	0.164	0.011	0.019	0.005	0.005	0.002	0.002
04/04/2026	1015.167	0.167	2.554	0.585	93.903	3.110	0.215	0.013	0.021	0.005	0.005	0.003	0.003
04/03/2026	1010.662	0.148	2.476	0.581	94.678	2.474	0.174	0.013	0.021	0.005	0.006	0.003	0.003
04/02/2026	1011.922	0.146	2.453	0.582	94.572	2.589	0.198	0.011	0.018	0.004	0.005	0.002	0.002
04/01/2026	1020.653	0.329	2.301	0.588	93.566	3.373	0.368	0.019	0.031	0.004	0.004	0.002	0.002
03/31/2026	1017.867	0.308	2.299	0.586	93.882	3.195	0.252	0.017	0.028	0.006	0.006	0.003	0.003
03/30/2026	1017.091	0.306	2.301	0.586	93.937	3.177	0.221	0.015	0.026	0.006	0.006	0.003	0.003
03/29/2026	1008.907	0.185	2.465	0.580	94.804	2.352	0.151	0.011	0.018	0.005	0.005	0.002	0.002
03/28/2026	1024.412	0.431	2.152	0.591	93.126	3.925	0.305	0.016	0.028	0.006	0.006	0.003	0.003
03/27/2026	1028.196	0.450	1.960	0.592	93.096	4.088	0.333	0.019	0.033	0.007	0.007	0.003	0.003
03/26/2026	1026.563	0.386	1.983	0.590	93.369	3.890	0.300	0.019	0.032	0.007	0.007	0.003	0.003
03/25/2026	1022.404	0.357	2.004	0.587	93.860	3.460	0.258	0.016	0.027	0.006	0.006	0.003	0.003
03/24/2026	1020.939	0.333	2.145	0.587	93.838	3.321	0.291	0.018	0.034	0.007	0.007	0.003	0.003
03/23/2026	1019.498	0.313	2.246	0.587	93.817	3.272	0.283	0.017	0.034	0.006	0.007	0.002	0.002
03/22/2026	1022.255	0.301	2.219	0.588	93.504	3.630	0.299	0.014	0.025	0.003	0.003	0.001	0.001
03/21/2026	1022.299	0.338	2.171	0.588	93.516	3.649	0.277	0.013	0.023	0.004	0.004	0.002	0.002
03/20/2026	1014.364	0.181	2.461	0.584	94.163	2.945	0.208	0.011	0.018	0.004	0.004	0.002	0.002
03/19/2026	1010.479	0.121	2.486	0.581	94.684	2.522	0.147	0.010	0.017	0.004	0.004	0.002	0.002
03/18/2026	1011.120	0.117	2.545	0.582	94.524	2.580	0.190	0.011	0.018	0.004	0.005	0.002	0.002
03/17/2026	1009.763	0.124	2.571	0.581	94.667	2.368	0.220	0.013	0.022	0.005	0.005	0.003	0.003
03/16/2026	1012.160	0.161	2.415	0.582	94.619	2.538	0.220	0.013	0.022	0.004	0.004	0.002	0.002
03/15/2026	1017.921	0.254	2.164	0.584	94.232	3.070	0.243	0.012	0.019	0.003	0.002	0.001	0.001
03/14/2026	1022.407	0.318	2.171	0.588	93.573	3.582	0.303	0.015	0.027	0.004	0.004	0.001	0.001
03/13/2026	1018.763	0.283	2.226	0.586	93.940	3.253	0.255	0.013	0.021	0.003	0.003	0.001	0.001
03/12/2026	1044.575	0.996	1.559	0.607	90.823	6.024	0.510	0.027	0.045	0.006	0.006	0.002	0.002
03/11/2026	1090.134	2.036	0.441	0.641	85.602	10.834	0.958	0.043	0.071	0.007	0.006	0.002	0.002
03/10/2026	1093.525	2.011	0.457	0.642	85.461	10.737	1.168	0.054	0.093	0.008	0.007	0.002	0.002
03/09/2026	1102.889	2.100	0.537	0.651	84.372	11.206	1.550	0.076	0.135	0.010	0.010	0.002	0.002
03/08/2026	1104.525	2.110	0.506	0.652	83.801	12.177	1.205	0.062	0.113	0.010	0.010	0.003	0.003
03/07/2026	1099.380	2.066	0.506	0.648	84.639	11.329	1.251	0.065	0.117	0.010	0.010	0.003	0.003
03/06/2026	1100.790	2.080	0.548	0.649	84.759	10.749	1.616	0.080	0.139	0.011	0.011	0.003	0.003
03/05/2026	1097.631	1.986	0.464	0.645	85.249	10.790	1.262	0.072	0.137	0.015	0.015	0.004	0.004
03/04/2026	1086.502	2.005	0.413	0.637	85.926	10.848	0.691	0.034	0.063	0.008	0.008	0.002	0.002
03/03/2026	1091.025	1.987	0.438	0.640	85.598	10.911	0.924	0.044	0.079	0.008	0.008	0.001	0.001
03/02/2026	1090.852	1.998	0.444	0.640	85.490	11.059	0.893	0.039	0.066	0.005	0.005	0.001	0.001
03/01/2026	1089.973	1.974	0.434	0.639	85.706	10.870	0.891	0.040	0.070	0.007	0.006	0.001	0.001
02/28/2026	1084.131	1.963	0.414	0.635	86.342	10.463	0.701	0.034	0.063	0.008	0.008	0.002	0.002
02/27/2026	1098.018	1.983	0.458	0.645	85.259	10.793	1.230	0.076	0.152	0.019	0.020	0.005	0.005
02/26/2026	1098.721	2.073	0.533	0.648	84.968	10.659	1.532	0.075	0.132	0.010	0.010	0.003	0.003
02/25/2026	1097.892	2.055	0.506	0.646	84.936	10.972	1.318	0.066	0.119	0.011	0.011	0.004	0.004
02/24/2026	1101.391	2.074	0.503	0.649	84.340	11.644	1.235	0.063	0.114	0.010	0.010	0.004	0.004
02/23/2026	1102.391	2.093	0.508	0.650	84.179	11.774	1.226	0.066	0.122	0.012	0.012	0.004	0.004
02/22/2026	1100.483	2.074	0.538	0.649	84.768	10.826	1.545	0.079	0.142	0.012	0.011	0.003	0.003
02/21/2026	1094.660	1.940	0.480	0.642	85.459	10.755	1.196	0.056	0.097	0.008	0.007	0.001	0.001
02/20/2026	1096.044	1.975	0.504	0.644	85.401	10.511	1.419	0.065	0.109	0.008	0.007	0.001	0.001
02/19/2026	1088.963	2.013	0.414	0.639	85.871	10.627	0.936	0.044	0.075	0.008	0.008	0.002	0.002
02/18/2026	1090.004	2.019	0.449	0.640	85.725	10.639	1.029	0.046	0.076	0.007	0.006	0.002	0.002
02/17/2026	1087.171	2.017	0.441	0.638	85.943	10.592	0.883	0.040	0.066	0.007	0.007	0.002	0.002