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Gas Quality / Gas Quality By Date

Date Requested: Jun 07 2026 5:53 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


06/07/2026	1031.154	0.874	0.481	0.585	95.119	3.176	0.265	0.020	0.045	0.007	0.008	0.002	0.002
06/06/2026	1031.154	0.874	0.481	0.585	95.119	3.176	0.265	0.020	0.045	0.007	0.008	0.002	0.002
06/05/2026	1019.191	0.709	0.522	0.575	96.763	1.809	0.149	0.011	0.025	0.004	0.005	0.001	0.001
06/04/2026	1042.278	0.906	1.121	0.599	92.263	5.222	0.389	0.024	0.049	0.008	0.009	0.004	0.004
06/03/2026	1049.671	1.057	1.078	0.606	91.199	6.078	0.456	0.030	0.066	0.011	0.013	0.006	0.006
06/02/2026	1036.754	0.713	1.587	0.597	92.440	4.725	0.410	0.027	0.060	0.010	0.013	0.007	0.007
06/01/2026	1036.839	0.727	1.619	0.598	92.305	4.819	0.416	0.026	0.055	0.009	0.011	0.007	0.007
05/31/2026	1033.218	0.625	1.779	0.596	92.643	4.423	0.415	0.026	0.054	0.009	0.011	0.007	0.007
05/30/2026	1035.612	0.659	1.767	0.598	92.334	4.675	0.439	0.028	0.059	0.010	0.013	0.009	0.009
05/29/2026	1030.763	0.612	1.784	0.594	92.857	4.305	0.353	0.020	0.042	0.007	0.009	0.005	0.005
05/28/2026	1039.934	0.779	1.486	0.599	92.116	5.070	0.427	0.027	0.059	0.010	0.012	0.007	0.007
05/27/2026	1035.318	0.650	1.671	0.596	92.552	4.609	0.401	0.026	0.055	0.010	0.012	0.007	0.007
05/26/2026	1035.750	0.631	1.711	0.597	92.535	4.559	0.422	0.030	0.066	0.013	0.016	0.009	0.009
05/25/2026	1033.979	0.612	1.724	0.595	92.686	4.478	0.379	0.026	0.055	0.011	0.013	0.008	0.008
05/24/2026	1032.216	0.584	1.799	0.595	92.760	4.385	0.364	0.023	0.050	0.009	0.011	0.008	0.008
05/23/2026	1033.990	0.598	1.782	0.596	92.552	4.580	0.382	0.022	0.048	0.009	0.011	0.008	0.008
05/22/2026	1031.866	0.545	1.870	0.595	92.706	4.404	0.383	0.021	0.042	0.007	0.009	0.006	0.006
05/21/2026	1024.218	0.366	2.214	0.590	93.275	3.705	0.356	0.020	0.038	0.006	0.008	0.006	0.006
05/20/2026	1032.320	0.477	2.012	0.595	92.581	4.353	0.470	0.027	0.052	0.008	0.009	0.005	0.005
05/19/2026	1030.294	0.435	2.124	0.595	92.676	4.188	0.474	0.027	0.051	0.008	0.009	0.004	0.004
05/18/2026	1027.180	0.393	2.199	0.593	92.952	3.931	0.425	0.025	0.049	0.008	0.009	0.004	0.004
05/17/2026	1027.294	0.435	2.167	0.593	92.914	3.980	0.400	0.025	0.050	0.008	0.010	0.006	0.006
05/16/2026	1005.387	0.534	1.436	0.573	96.780	1.098	0.120	0.008	0.015	0.002	0.003	0.001	0.001
05/15/2026	996.947	0.780	1.010	0.567	98.122	0.078	0.009	0.001	0.001	0.000	0.000	0.000	0.000
05/14/2026	995.798	0.782	1.058	0.567	98.144	0.015	0.002	0.000	0.000	0.000	0.000	0.000	0.000
05/13/2026	1007.703	0.515	1.198	0.572	97.070	1.070	0.114	0.008	0.015	0.003	0.003	0.001	0.001
05/12/2026	1040.948	0.643	1.442	0.597	92.464	4.821	0.512	0.031	0.057	0.009	0.010	0.005	0.005
05/11/2026	1041.170	0.605	1.515	0.598	92.350	4.907	0.509	0.030	0.056	0.009	0.010	0.005	0.005
05/10/2026	1020.945	0.477	1.253	0.580	95.531	2.411	0.261	0.017	0.032	0.005	0.006	0.003	0.003
05/09/2026	1034.495	0.482	1.652	0.593	93.039	4.322	0.410	0.024	0.044	0.008	0.009	0.005	0.005
05/08/2026	1032.216	0.454	1.696	0.591	93.261	4.115	0.389	0.022	0.040	0.007	0.008	0.005	0.005
05/07/2026	1031.613	0.455	1.756	0.592	93.262	4.016	0.405	0.026	0.050	0.009	0.010	0.005	0.005
05/06/2026	1037.549	0.489	1.626	0.595	92.863	4.387	0.504	0.034	0.065	0.011	0.012	0.005	0.005
05/05/2026	1050.366	0.715	1.356	0.604	91.614	5.414	0.721	0.049	0.091	0.014	0.015	0.006	0.006
05/04/2026	1050.915	0.754	1.377	0.605	91.357	5.652	0.691	0.046	0.084	0.013	0.014	0.006	0.006
05/03/2026	1021.769	0.580	1.248	0.582	95.251	2.551	0.294	0.020	0.038	0.006	0.007	0.003	0.003
05/02/2026	1036.600	0.652	1.416	0.595	92.976	4.433	0.407	0.027	0.054	0.010	0.012	0.007	0.007
05/01/2026	1036.630	0.515	1.760	0.596	92.635	4.477	0.466	0.032	0.062	0.012	0.014	0.009	0.009
04/30/2026	1017.289	0.415	1.240	0.577	96.100	1.989	0.203	0.013	0.025	0.004	0.005	0.003	0.003
04/29/2026	1036.614	0.719	1.280	0.594	93.102	4.401	0.387	0.026	0.053	0.010	0.012	0.005	0.005
04/28/2026	1052.344	1.005	1.029	0.606	91.233	6.032	0.540	0.038	0.079	0.015	0.017	0.006	0.006
04/27/2026	1042.053	0.804	1.227	0.598	92.383	5.031	0.433	0.029	0.060	0.011	0.012	0.005	0.005
04/26/2026	1038.573	0.812	1.178	0.596	92.890	4.600	0.403	0.028	0.057	0.011	0.012	0.004	0.004
04/25/2026	1045.957	0.869	1.222	0.602	91.843	5.423	0.504	0.034	0.069	0.013	0.014	0.005	0.005
04/24/2026	1052.587	1.043	0.947	0.606	91.212	6.155	0.504	0.033	0.069	0.013	0.014	0.004	0.004
04/23/2026	1017.408	0.578	1.446	0.581	95.242	2.467	0.207	0.014	0.029	0.006	0.007	0.002	0.002
04/22/2026	1040.037	0.841	1.262	0.598	92.434	4.939	0.408	0.028	0.058	0.011	0.012	0.003	0.003
04/21/2026	1049.232	0.992	1.317	0.607	90.913	6.135	0.499	0.034	0.073	0.013	0.015	0.005	0.005
04/20/2026	1050.376	1.018	1.264	0.608	90.872	6.173	0.520	0.036	0.077	0.014	0.016	0.005	0.005
04/19/2026	1019.813	0.634	2.023	0.590	93.597	3.371	0.288	0.021	0.043	0.008	0.009	0.003	0.003
04/18/2026	1039.768	0.799	1.607	0.601	91.843	5.173	0.445	0.032	0.067	0.012	0.014	0.004	0.004
04/17/2026	998.732	0.348	2.643	0.578	95.285	1.563	0.127	0.008	0.016	0.003	0.003	0.001	0.001
04/16/2026	998.928	0.394	2.594	0.579	95.280	1.568	0.121	0.010	0.020	0.004	0.005	0.002	0.002
04/15/2026	1019.766	0.587	1.814	0.587	94.158	3.111	0.242	0.019	0.042	0.008	0.010	0.004	0.004
04/14/2026	1004.329	0.347	1.984	0.575	96.074	1.452	0.106	0.008	0.017	0.004	0.004	0.002	0.002
04/13/2026	1019.819	0.588	1.758	0.586	94.253	3.088	0.238	0.017	0.037	0.007	0.008	0.003	0.003
04/12/2026	1048.549	0.983	1.220	0.605	91.143	6.104	0.426	0.028	0.059	0.012	0.014	0.006	0.006
04/11/2026	1049.013	1.010	1.217	0.606	91.108	6.056	0.466	0.032	0.069	0.013	0.015	0.007	0.007
04/10/2026	1038.633	0.791	1.503	0.599	92.107	5.136	0.360	0.024	0.048	0.009	0.011	0.005	0.005
04/09/2026	1043.720	0.914	1.368	0.603	91.559	5.632	0.406	0.028	0.058	0.011	0.013	0.006	0.006
04/08/2026	1040.501	0.840	1.449	0.600	91.912	5.304	0.383	0.026	0.054	0.010	0.012	0.005	0.005
04/07/2026	1047.542	0.966	1.241	0.605	91.304	5.906	0.449	0.032	0.067	0.012	0.014	0.005	0.005
04/06/2026	1047.126	0.953	1.260	0.604	91.342	5.860	0.452	0.032	0.066	0.012	0.014	0.005	0.005
04/05/2026	1048.000	0.978	1.145	0.604	91.481	5.781	0.473	0.033	0.069	0.013	0.015	0.006	0.006
04/04/2026	1042.271	0.919	1.271	0.601	91.953	5.331	0.411	0.027	0.055	0.011	0.012	0.005	0.005
04/03/2026	1038.199	0.816	1.436	0.598	92.256	5.019	0.379	0.025	0.043	0.008	0.009	0.004	0.004
04/02/2026	1033.831	0.682	1.686	0.596	92.526	4.654	0.362	0.026	0.040	0.008	0.008	0.004	0.004
04/01/2026	1038.504	0.755	1.565	0.599	92.125	5.028	0.420	0.032	0.047	0.009	0.009	0.005	0.005
03/31/2026	1039.350	0.735	1.591	0.599	92.048	5.066	0.441	0.037	0.052	0.010	0.010	0.005	0.005
03/30/2026	1022.543	0.378	2.289	0.590	93.244	3.701	0.295	0.024	0.039	0.009	0.009	0.005	0.005
03/29/2026	1026.334	0.512	1.920	0.591	93.249	3.952	0.294	0.018	0.033	0.007	0.008	0.004	0.004
03/28/2026	1029.170	0.560	1.774	0.592	93.089	4.216	0.295	0.016	0.031	0.006	0.006	0.003	0.003
03/27/2026	1033.516	0.674	1.543	0.594	92.856	4.520	0.330	0.019	0.036	0.007	0.008	0.003	0.003
03/26/2026	1025.508	0.535	1.881	0.590	93.394	3.828	0.285	0.019	0.036	0.007	0.008	0.004	0.004
03/25/2026	1026.264	0.521	1.859	0.591	93.356	3.915	0.278	0.017	0.033	0.006	0.007	0.004	0.004
03/24/2026	1033.294	0.688	1.529	0.594	92.891	4.485	0.327	0.019	0.037	0.007	0.008	0.004	0.004
03/23/2026	1037.322	0.757	1.415	0.597	92.565	4.797	0.364	0.023	0.048	0.010	0.011	0.005	0.005
03/22/2026	1031.441	0.595	1.787	0.594	92.769	4.426	0.340	0.021	0.039	0.007	0.008	0.004	0.004
03/21/2026	1031.007	0.578	1.782	0.594	92.856	4.377	0.327	0.020	0.037	0.007	0.008	0.004	0.004
03/20/2026	1031.486	0.602	1.806	0.595	92.719	4.434	0.352	0.021	0.040	0.008	0.008	0.004	0.004
03/19/2026	1027.492	0.533	1.942	0.592	93.016	4.128	0.306	0.018	0.035	0.007	0.008	0.004	0.004
03/18/2026	1025.165	0.472	1.962	0.590	93.383	3.827	0.282	0.017	0.033	0.007	0.007	0.004	0.004
03/17/2026	1034.999	0.679	1.468	0.594	92.905	4.491	0.361	0.023	0.045	0.008	0.010	0.005	0.005
03/16/2026	1038.887	0.784	1.362	0.598	92.502	4.822	0.413	0.027	0.055	0.011	0.012	0.006	0.006
03/15/2026	1035.849	0.686	1.557	0.596	92.588	4.697	0.372	0.024	0.047	0.009	0.010	0.005	0.005
03/14/2026	1031.814	0.562	1.810	0.594	92.751	4.442	0.355	0.020	0.038	0.007	0.008	0.004	0.004
03/13/2026	1028.121	0.543	1.849	0.592	93.149	4.056	0.323	0.020	0.038	0.008	0.008	0.003	0.003
03/12/2026	1034.105	0.671	1.503	0.594	92.997	4.344	0.379	0.025	0.050	0.010	0.011	0.005	0.005
03/11/2026	1039.809	0.824	1.209	0.597	92.625	4.824	0.404	0.027	0.056	0.010	0.012	0.005	0.005
03/10/2026	1032.372	0.661	1.472	0.593	93.213	4.243	0.328	0.021	0.041	0.008	0.008	0.003	0.003
03/09/2026	1033.523	0.706	1.505	0.594	92.907	4.452	0.341	0.022	0.043	0.008	0.009	0.003	0.003
03/08/2026	1036.123	0.745	1.393	0.595	92.803	4.581	0.378	0.025	0.049	0.009	0.010	0.004	0.004
03/07/2026	1023.512	0.739	1.836	0.592	93.316	3.714	0.315	0.020	0.039	0.007	0.007	0.003	0.003
03/06/2026	1030.898	0.691	1.726	0.595	92.782	4.358	0.356	0.022	0.043	0.007	0.008	0.004	0.004