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Gas Quality / Gas Quality By Date

Date Requested: Apr 04 2026 1:48 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


04/04/2026	1010.749	0.144	2.427	0.581	94.760	2.467	0.157	0.010	0.019	0.005	0.005	0.003	0.003
04/03/2026	1010.749	0.144	2.427	0.581	94.760	2.467	0.157	0.010	0.019	0.005	0.005	0.003	0.003
04/02/2026	1009.769	0.142	2.564	0.581	94.574	2.515	0.160	0.010	0.019	0.005	0.005	0.003	0.003
04/01/2026	1009.938	0.145	2.635	0.582	94.400	2.599	0.174	0.011	0.020	0.005	0.005	0.003	0.003
03/31/2026	1010.024	0.146	2.644	0.582	94.370	2.616	0.177	0.011	0.020	0.005	0.005	0.003	0.003
03/30/2026	1010.073	0.146	2.651	0.583	94.353	2.621	0.181	0.011	0.020	0.005	0.005	0.003	0.003
03/29/2026	1010.670	0.157	2.774	0.584	94.031	2.762	0.215	0.014	0.025	0.007	0.007	0.004	0.004
03/28/2026	1009.979	0.126	2.804	0.584	94.123	2.677	0.204	0.014	0.027	0.007	0.007	0.005	0.005
03/27/2026	1011.048	0.140	2.640	0.583	94.303	2.653	0.214	0.012	0.022	0.005	0.005	0.003	0.003
03/26/2026	1012.050	0.145	2.651	0.584	94.168	2.746	0.235	0.013	0.025	0.005	0.006	0.003	0.003
03/25/2026	1012.033	0.147	2.674	0.584	94.114	2.774	0.236	0.013	0.024	0.005	0.006	0.003	0.003
03/24/2026	1007.773	0.143	2.662	0.581	94.610	2.374	0.165	0.011	0.019	0.004	0.005	0.003	0.003
03/23/2026	1004.404	0.128	2.641	0.579	95.075	1.999	0.117	0.009	0.017	0.004	0.005	0.003	0.003
03/22/2026	1006.242	0.165	2.534	0.579	95.038	2.080	0.133	0.011	0.021	0.005	0.006	0.003	0.003
03/21/2026	1006.058	0.166	2.554	0.579	95.014	2.084	0.133	0.011	0.021	0.005	0.006	0.003	0.003
03/20/2026	1005.987	0.166	2.553	0.579	95.023	2.076	0.132	0.011	0.021	0.005	0.006	0.003	0.003
03/19/2026	1014.976	0.298	2.345	0.585	94.132	2.945	0.221	0.015	0.027	0.006	0.006	0.003	0.003
03/18/2026	1025.099	0.457	2.190	0.592	92.911	4.060	0.315	0.017	0.031	0.006	0.006	0.003	0.003
03/17/2026	1021.841	0.391	2.224	0.589	93.372	3.670	0.278	0.016	0.030	0.006	0.006	0.003	0.003
03/16/2026	1016.754	0.304	2.368	0.586	93.860	3.161	0.246	0.014	0.030	0.006	0.006	0.002	0.002
03/15/2026	1016.656	0.277	2.363	0.586	93.931	3.129	0.244	0.014	0.027	0.005	0.005	0.002	0.002
03/14/2026	1018.393	0.280	2.336	0.587	93.790	3.269	0.263	0.015	0.032	0.005	0.005	0.002	0.002
03/13/2026	1019.019	0.302	2.376	0.588	93.599	3.373	0.283	0.016	0.033	0.006	0.006	0.003	0.003
03/12/2026	1020.417	0.316	2.351	0.589	93.419	3.579	0.279	0.014	0.027	0.005	0.005	0.003	0.003
03/11/2026	1012.045	0.169	2.572	0.583	94.279	2.699	0.228	0.013	0.024	0.005	0.005	0.003	0.003
03/10/2026	1012.537	0.179	2.554	0.584	94.272	2.679	0.258	0.015	0.028	0.005	0.005	0.003	0.003
03/09/2026	1012.765	0.190	2.558	0.584	94.215	2.714	0.264	0.015	0.028	0.005	0.005	0.003	0.003
03/08/2026	1012.878	0.194	2.571	0.584	94.168	2.736	0.271	0.015	0.028	0.005	0.005	0.003	0.003
03/07/2026	1012.679	0.193	2.579	0.584	94.175	2.725	0.269	0.015	0.028	0.005	0.005	0.002	0.002
03/06/2026	1011.850	0.191	2.533	0.583	94.334	2.671	0.219	0.013	0.025	0.005	0.005	0.003	0.003
03/05/2026	1017.186	0.292	2.364	0.586	93.871	3.141	0.268	0.016	0.031	0.005	0.006	0.003	0.003
03/04/2026	1026.871	0.446	2.138	0.593	92.908	4.059	0.372	0.021	0.038	0.006	0.006	0.003	0.003
03/03/2026	1040.176	0.647	1.830	0.601	91.631	5.265	0.521	0.029	0.053	0.008	0.008	0.004	0.004
03/02/2026	1039.480	0.656	1.837	0.601	91.675	5.213	0.517	0.028	0.053	0.007	0.007	0.004	0.004
03/01/2026	1037.450	0.602	1.940	0.600	91.801	5.054	0.504	0.027	0.051	0.007	0.007	0.003	0.003
02/28/2026	1033.587	0.598	1.999	0.598	92.079	4.804	0.438	0.023	0.041	0.006	0.006	0.003	0.003
02/27/2026	1032.924	0.573	1.880	0.596	92.456	4.611	0.400	0.022	0.039	0.006	0.006	0.003	0.003
02/26/2026	1036.710	0.619	1.812	0.598	92.092	4.932	0.453	0.025	0.044	0.007	0.007	0.004	0.004
02/25/2026	1035.518	0.584	1.876	0.598	92.170	4.826	0.460	0.024	0.043	0.006	0.006	0.003	0.003
02/24/2026	1034.695	0.618	1.798	0.597	92.338	4.745	0.419	0.023	0.040	0.006	0.006	0.003	0.003
02/23/2026	1037.106	0.619	1.888	0.599	91.860	5.085	0.462	0.025	0.044	0.006	0.006	0.003	0.003
02/22/2026	1039.026	0.657	1.919	0.601	91.491	5.341	0.505	0.025	0.044	0.006	0.006	0.003	0.003
02/21/2026	1041.676	0.739	1.886	0.604	91.095	5.645	0.534	0.029	0.051	0.008	0.007	0.003	0.003
02/20/2026	1041.486	0.733	1.864	0.604	91.200	5.562	0.534	0.030	0.054	0.008	0.009	0.003	0.003
02/19/2026	1037.080	0.684	1.962	0.601	91.628	5.116	0.504	0.029	0.052	0.008	0.008	0.004	0.004
02/18/2026	1033.374	0.618	1.985	0.598	92.159	4.671	0.467	0.027	0.049	0.008	0.008	0.003	0.003
02/17/2026	1035.295	0.635	1.882	0.598	92.107	4.820	0.453	0.028	0.051	0.008	0.009	0.004	0.004
02/16/2026	1033.270	0.612	1.972	0.598	92.213	4.649	0.449	0.028	0.051	0.009	0.009	0.004	0.004
02/15/2026	1036.734	0.677	1.915	0.600	91.761	5.071	0.474	0.028	0.049	0.008	0.008	0.004	0.004
02/14/2026	1041.058	0.743	1.811	0.603	91.340	5.476	0.525	0.029	0.052	0.008	0.008	0.004	0.004
02/13/2026	1037.614	0.661	1.863	0.600	91.795	5.101	0.487	0.026	0.046	0.007	0.007	0.003	0.003
02/12/2026	1037.401	0.662	1.881	0.600	91.751	5.145	0.476	0.025	0.044	0.006	0.006	0.003	0.003
02/11/2026	1051.213	0.861	1.546	0.609	90.553	6.229	0.691	0.035	0.061	0.008	0.008	0.003	0.003
02/10/2026	1062.783	1.016	1.344	0.616	89.458	7.096	0.934	0.047	0.079	0.009	0.009	0.004	0.004
02/09/2026	1063.623	1.092	1.275	0.617	89.147	7.569	0.784	0.039	0.068	0.009	0.008	0.004	0.004
02/08/2026	1056.374	0.978	1.449	0.613	89.859	6.892	0.692	0.038	0.069	0.009	0.008	0.003	0.003
02/07/2026	1063.433	1.149	1.255	0.618	88.960	7.827	0.701	0.032	0.055	0.008	0.008	0.003	0.003
02/06/2026	1065.409	1.069	1.443	0.620	88.518	8.127	0.714	0.036	0.064	0.010	0.010	0.005	0.005
02/05/2026	1045.266	0.734	1.793	0.605	90.753	6.176	0.462	0.022	0.039	0.006	0.007	0.004	0.004
02/04/2026	1061.185	0.991	1.350	0.615	89.269	7.696	0.598	0.027	0.046	0.007	0.007	0.004	0.004
02/03/2026	1060.941	0.986	1.346	0.615	89.305	7.682	0.589	0.026	0.044	0.007	0.006	0.004	0.004
02/02/2026	1072.672	1.179	1.313	0.625	87.771	8.741	0.858	0.044	0.066	0.010	0.009	0.004	0.004
02/01/2026	1072.044	1.120	1.331	0.624	87.900	8.684	0.837	0.041	0.062	0.009	0.007	0.004	0.004
01/31/2026	1077.736	1.105	1.352	0.627	87.471	8.809	1.106	0.053	0.078	0.010	0.008	0.004	0.004
01/30/2026	1066.201	0.848	1.273	0.615	89.470	7.445	0.805	0.050	0.075	0.012	0.010	0.005	0.005
01/29/2026	1050.320	0.607	2.184	0.611	89.942	6.385	0.702	0.046	0.087	0.016	0.017	0.007	0.007
01/28/2026	1036.570	0.496	2.014	0.598	91.825	5.191	0.404	0.019	0.035	0.005	0.005	0.002	0.002
01/27/2026	1014.012	0.183	2.448	0.583	94.180	2.984	0.168	0.009	0.017	0.003	0.004	0.002	0.002
01/26/2026	1015.619	0.281	2.461	0.586	93.771	3.229	0.216	0.011	0.021	0.003	0.004	0.002	0.002
01/25/2026	1061.288	0.989	1.438	0.616	89.031	7.858	0.599	0.025	0.043	0.006	0.006	0.003	0.003
01/24/2026	1052.189	0.898	1.578	0.610	89.990	6.951	0.507	0.022	0.038	0.005	0.005	0.003	0.003
01/23/2026	1036.339	0.611	2.025	0.600	91.546	5.346	0.416	0.017	0.028	0.004	0.004	0.002	0.002
01/22/2026	1037.673	0.615	2.029	0.601	91.393	5.455	0.448	0.018	0.030	0.004	0.004	0.002	0.002
01/21/2026	1035.255	0.579	1.991	0.599	91.845	5.115	0.408	0.018	0.030	0.005	0.005	0.002	0.002
01/20/2026	1043.802	0.685	1.871	0.604	90.908	5.937	0.522	0.023	0.038	0.005	0.005	0.002	0.002
01/19/2026	1034.565	0.559	1.973	0.598	91.996	5.028	0.383	0.017	0.030	0.005	0.005	0.002	0.002
01/18/2026	1035.305	0.582	2.007	0.599	91.841	5.074	0.419	0.021	0.037	0.006	0.006	0.003	0.003
01/17/2026	1030.500	0.521	2.110	0.596	92.264	4.686	0.363	0.016	0.028	0.004	0.004	0.002	0.002
01/16/2026	1026.031	0.457	2.131	0.592	92.889	4.161	0.308	0.015	0.026	0.004	0.004	0.002	0.002
01/15/2026	1026.450	0.483	2.161	0.593	92.720	4.263	0.317	0.016	0.027	0.004	0.005	0.002	0.002
01/14/2026	1027.814	0.481	2.083	0.593	92.745	4.302	0.330	0.016	0.028	0.005	0.005	0.002	0.002
01/13/2026	1027.173	0.458	2.160	0.593	92.720	4.258	0.346	0.016	0.028	0.005	0.005	0.002	0.002
01/12/2026	1024.462	0.440	2.152	0.591	93.047	4.035	0.273	0.014	0.025	0.004	0.005	0.002	0.002
01/11/2026	1025.086	0.426	2.118	0.591	93.099	4.011	0.291	0.015	0.026	0.005	0.005	0.002	0.002
01/10/2026	1026.924	0.428	2.155	0.593	92.822	4.203	0.333	0.016	0.029	0.005	0.005	0.002	0.002
01/09/2026	1029.687	0.496	2.123	0.595	92.429	4.515	0.371	0.018	0.031	0.005	0.005	0.003	0.003
01/08/2026	1026.065	0.440	2.150	0.592	92.899	4.140	0.311	0.016	0.029	0.005	0.005	0.002	0.002
01/07/2026	1033.781	0.569	2.042	0.598	91.985	4.907	0.422	0.021	0.039	0.005	0.005	0.002	0.002
01/06/2026	1032.316	0.560	2.026	0.597	92.150	4.835	0.367	0.018	0.031	0.005	0.005	0.002	0.002
01/05/2026	1031.858	0.555	2.029	0.596	92.215	4.769	0.375	0.017	0.028	0.005	0.004	0.002	0.002
01/04/2026	1034.890	0.614	1.960	0.599	91.886	5.067	0.409	0.018	0.031	0.005	0.005	0.002	0.002
01/03/2026	1033.229	0.641	2.091	0.599	91.717	5.098	0.391	0.017	0.031	0.005	0.005	0.002	0.002
01/02/2026	1033.814	0.602	2.088	0.599	91.742	5.121	0.380	0.018	0.033	0.005	0.006	0.002	0.002
01/01/2026	1040.333	0.715	1.848	0.602	91.212	5.743	0.419	0.019	0.033	0.004	0.004	0.001	0.001