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Gas Quality / Gas Quality By Date

Date Requested: May 21 2026 5:44 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	1039.930	0.741	1.498	0.599	92.076	5.212	0.374	0.021	0.046	0.008	0.010	0.007	0.007
05/20/2026	1041.665	0.777	1.471	0.600	91.795	5.491	0.385	0.019	0.038	0.006	0.008	0.005	0.005
05/19/2026	1053.870	0.973	1.121	0.608	90.827	6.409	0.531	0.033	0.071	0.012	0.014	0.005	0.005
05/18/2026	1057.095	1.074	1.035	0.610	90.486	6.653	0.591	0.038	0.083	0.014	0.016	0.005	0.005
05/17/2026	1053.971	0.948	1.232	0.608	90.818	6.179	0.644	0.042	0.093	0.015	0.017	0.006	0.006
05/16/2026	1051.683	0.919	1.327	0.607	90.874	6.138	0.579	0.037	0.083	0.014	0.017	0.007	0.007
05/15/2026	1048.999	0.821	1.495	0.606	91.089	5.862	0.547	0.040	0.092	0.017	0.020	0.009	0.009
05/14/2026	1047.183	0.752	1.599	0.605	91.201	5.717	0.562	0.038	0.086	0.015	0.017	0.006	0.006
05/13/2026	1059.687	0.991	1.229	0.613	90.105	6.772	0.692	0.049	0.109	0.018	0.021	0.007	0.007
05/12/2026	1051.316	0.774	1.571	0.607	90.691	6.213	0.588	0.038	0.083	0.014	0.016	0.006	0.006
05/11/2026	1043.521	0.756	1.818	0.605	91.136	5.582	0.541	0.038	0.084	0.015	0.017	0.006	0.006
05/10/2026	1059.904	1.109	1.226	0.615	89.703	7.168	0.596	0.042	0.099	0.018	0.021	0.009	0.009
05/09/2026	1054.144	1.003	1.382	0.611	90.236	6.664	0.533	0.038	0.089	0.016	0.020	0.009	0.009
05/08/2026	1042.923	0.733	1.649	0.602	91.506	5.536	0.444	0.027	0.062	0.011	0.014	0.009	0.009
05/07/2026	1039.389	0.682	1.711	0.600	91.842	5.247	0.410	0.025	0.054	0.009	0.011	0.005	0.005
05/06/2026	1051.008	0.918	1.360	0.607	90.942	6.023	0.564	0.042	0.097	0.018	0.020	0.008	0.008
05/05/2026	1075.119	1.405	0.582	0.622	88.988	7.903	0.812	0.068	0.159	0.029	0.033	0.010	0.010
05/04/2026	1071.178	1.315	0.580	0.618	89.671	7.346	0.784	0.067	0.157	0.028	0.032	0.010	0.010
05/03/2026	1063.937	1.094	0.752	0.612	90.651	6.474	0.741	0.064	0.148	0.027	0.031	0.010	0.010
05/02/2026	1069.136	1.231	0.639	0.616	90.015	7.019	0.784	0.069	0.160	0.029	0.033	0.010	0.010
05/01/2026	1058.269	1.040	0.992	0.610	90.740	6.355	0.633	0.053	0.122	0.022	0.025	0.009	0.009
04/30/2026	1050.614	0.897	1.381	0.607	90.971	6.003	0.567	0.039	0.089	0.016	0.019	0.009	0.009
04/29/2026	1050.590	0.894	1.393	0.607	90.917	6.068	0.556	0.037	0.085	0.015	0.018	0.008	0.008
04/28/2026	1048.397	0.857	1.477	0.606	91.037	5.944	0.524	0.036	0.080	0.015	0.017	0.007	0.007
04/27/2026	1049.554	0.910	1.394	0.607	90.968	6.026	0.543	0.036	0.081	0.014	0.017	0.006	0.006
04/26/2026	1045.912	0.814	1.501	0.604	91.376	5.642	0.512	0.034	0.078	0.014	0.016	0.006	0.006
04/25/2026	1045.151	0.836	1.515	0.604	91.361	5.634	0.509	0.034	0.075	0.013	0.015	0.005	0.005
04/24/2026	1048.901	0.985	1.382	0.607	90.922	5.997	0.548	0.038	0.084	0.015	0.017	0.006	0.006
04/23/2026	1048.807	0.989	1.332	0.607	90.989	6.017	0.520	0.035	0.077	0.014	0.016	0.005	0.005
04/22/2026	1059.527	1.229	0.962	0.614	90.036	6.998	0.589	0.041	0.094	0.017	0.020	0.007	0.007
04/21/2026	1052.152	1.018	1.274	0.609	90.696	6.285	0.557	0.037	0.084	0.015	0.018	0.007	0.007
04/20/2026	1050.913	1.041	1.218	0.608	90.814	6.287	0.493	0.033	0.075	0.013	0.015	0.005	0.005
04/19/2026	1054.113	1.097	1.163	0.610	90.459	6.587	0.540	0.036	0.079	0.014	0.016	0.005	0.005
04/18/2026	1051.762	0.982	1.257	0.608	90.824	6.242	0.532	0.037	0.083	0.015	0.017	0.005	0.005
04/17/2026	1049.057	0.952	1.347	0.607	91.019	6.002	0.518	0.037	0.082	0.015	0.017	0.005	0.005
04/16/2026	1054.565	1.057	1.222	0.610	90.500	6.431	0.601	0.043	0.097	0.017	0.020	0.007	0.007
04/15/2026	1055.322	1.062	1.195	0.611	90.405	6.585	0.570	0.041	0.092	0.017	0.019	0.007	0.007
04/14/2026	1054.773	1.082	1.195	0.611	90.422	6.565	0.554	0.040	0.090	0.017	0.020	0.008	0.008
04/13/2026	1060.032	1.235	0.962	0.614	89.970	7.065	0.571	0.043	0.098	0.018	0.021	0.008	0.008
04/12/2026	1051.045	1.015	1.203	0.607	90.938	6.190	0.490	0.035	0.079	0.015	0.018	0.008	0.008
04/11/2026	1049.134	0.995	1.244	0.606	91.047	6.128	0.443	0.031	0.070	0.013	0.016	0.007	0.007
04/10/2026	1049.926	1.013	1.255	0.607	90.927	6.180	0.473	0.033	0.074	0.014	0.016	0.008	0.008
04/09/2026	1049.149	1.052	1.141	0.606	91.128	6.092	0.456	0.029	0.065	0.012	0.014	0.006	0.006
04/08/2026	1044.453	0.940	1.291	0.603	91.549	5.721	0.386	0.024	0.054	0.010	0.012	0.006	0.006
04/07/2026	1051.124	1.097	1.054	0.607	90.964	6.308	0.444	0.029	0.065	0.012	0.014	0.006	0.006
04/06/2026	1052.082	1.093	1.047	0.608	90.881	6.389	0.452	0.030	0.068	0.012	0.014	0.006	0.006
04/05/2026	1050.212	1.047	1.137	0.607	90.996	6.244	0.449	0.028	0.063	0.011	0.013	0.006	0.006
04/04/2026	1047.801	1.007	1.221	0.605	91.215	5.984	0.440	0.029	0.066	0.012	0.014	0.006	0.006
04/03/2026	1038.887	0.805	1.447	0.599	92.257	4.960	0.411	0.028	0.060	0.011	0.013	0.005	0.005
04/02/2026	1043.292	0.917	1.251	0.601	91.900	5.382	0.424	0.029	0.063	0.011	0.013	0.004	0.004
04/01/2026	1043.560	0.964	1.169	0.601	91.886	5.475	0.397	0.025	0.054	0.010	0.011	0.004	0.004
03/31/2026	1051.848	1.168	0.873	0.607	91.224	6.082	0.504	0.033	0.073	0.014	0.016	0.006	0.006
03/30/2026	1043.961	0.991	1.129	0.602	91.860	5.514	0.400	0.025	0.051	0.010	0.011	0.005	0.005
03/29/2026	1044.914	0.816	1.398	0.602	91.659	5.523	0.464	0.041	0.061	0.014	0.013	0.006	0.006
03/28/2026	1044.855	0.897	1.317	0.603	91.604	5.623	0.436	0.031	0.058	0.012	0.013	0.005	0.005
03/27/2026	1047.292	0.991	1.043	0.603	91.528	5.988	0.374	0.018	0.035	0.007	0.008	0.004	0.004
03/26/2026	1050.291	1.018	0.888	0.604	91.650	5.843	0.478	0.029	0.061	0.011	0.013	0.005	0.005
03/25/2026	1042.644	0.893	1.180	0.600	92.126	5.301	0.401	0.023	0.049	0.009	0.010	0.004	0.004
03/24/2026	1038.428	0.765	1.395	0.597	92.459	4.897	0.383	0.024	0.049	0.009	0.010	0.004	0.004
03/23/2026	1052.048	1.081	0.686	0.604	91.694	5.968	0.460	0.027	0.055	0.010	0.011	0.004	0.004
03/22/2026	1052.344	1.100	0.775	0.605	91.409	6.150	0.451	0.027	0.057	0.010	0.012	0.005	0.005
03/21/2026	1057.148	1.219	0.589	0.608	90.969	6.640	0.458	0.028	0.062	0.011	0.013	0.005	0.005
03/20/2026	1042.439	0.895	1.120	0.599	92.292	5.204	0.384	0.023	0.050	0.009	0.011	0.006	0.006
03/19/2026	1039.791	0.825	1.259	0.598	92.476	4.956	0.374	0.023	0.052	0.010	0.012	0.006	0.006
03/18/2026	1038.638	0.798	1.316	0.597	92.519	4.910	0.355	0.022	0.048	0.009	0.011	0.006	0.006
03/17/2026	1038.650	0.793	1.252	0.596	92.647	4.864	0.351	0.022	0.046	0.008	0.009	0.004	0.004
03/16/2026	1042.567	0.868	1.094	0.598	92.459	5.037	0.424	0.027	0.057	0.010	0.012	0.005	0.005
03/15/2026	1040.330	0.824	1.302	0.598	92.365	4.972	0.419	0.026	0.056	0.010	0.012	0.006	0.006
03/14/2026	1039.740	0.796	1.316	0.598	92.415	4.986	0.382	0.024	0.051	0.009	0.011	0.006	0.006
03/13/2026	1038.181	0.746	1.427	0.597	92.445	4.911	0.375	0.022	0.047	0.009	0.010	0.004	0.004
03/12/2026	1034.901	0.738	1.440	0.595	92.820	4.556	0.353	0.022	0.047	0.008	0.009	0.003	0.003
03/11/2026	1038.027	0.765	1.304	0.596	92.755	4.672	0.394	0.025	0.054	0.010	0.011	0.005	0.005
03/10/2026	1039.094	0.814	1.256	0.597	92.627	4.791	0.398	0.026	0.056	0.010	0.012	0.005	0.005
03/09/2026	1032.941	0.680	1.432	0.593	93.189	4.284	0.329	0.020	0.043	0.008	0.008	0.003	0.003
03/08/2026	1033.673	0.711	1.521	0.595	92.845	4.489	0.344	0.022	0.045	0.008	0.009	0.004	0.004
03/07/2026	1041.554	0.846	1.174	0.598	92.452	4.992	0.418	0.027	0.058	0.010	0.012	0.005	0.005
03/06/2026	1043.974	0.882	1.127	0.600	92.167	5.279	0.429	0.027	0.059	0.010	0.011	0.004	0.004
03/05/2026	1043.436	0.863	1.229	0.600	92.021	5.360	0.413	0.026	0.057	0.010	0.011	0.005	0.005
03/04/2026	1040.343	0.765	1.344	0.598	92.311	5.105	0.379	0.023	0.048	0.009	0.010	0.004	0.004
03/03/2026	1043.866	0.843	1.119	0.599	92.130	5.463	0.370	0.020	0.038	0.006	0.006	0.002	0.002
03/02/2026	1045.277	0.810	1.107	0.599	92.100	5.495	0.407	0.023	0.039	0.007	0.006	0.003	0.003
03/01/2026	1051.385	0.874	0.874	0.602	91.751	5.964	0.451	0.025	0.042	0.007	0.006	0.003	0.003
02/28/2026	1046.502	0.775	1.193	0.600	91.918	5.568	0.439	0.028	0.051	0.009	0.009	0.004	0.004
02/27/2026	1053.012	0.934	0.993	0.605	91.234	6.238	0.484	0.029	0.058	0.010	0.011	0.005	0.005
02/26/2026	1050.197	0.912	0.970	0.603	91.553	6.076	0.405	0.021	0.040	0.007	0.007	0.004	0.004
02/25/2026	1046.939	0.914	1.028	0.601	91.764	5.865	0.356	0.018	0.035	0.006	0.006	0.003	0.003
02/24/2026	1040.787	0.786	1.304	0.598	92.205	5.291	0.345	0.018	0.034	0.006	0.006	0.003	0.003
02/23/2026	1039.293	0.753	1.324	0.597	92.398	5.129	0.332	0.017	0.031	0.005	0.005	0.003	0.003
02/22/2026	1041.576	0.808	1.339	0.599	91.932	5.522	0.342	0.016	0.029	0.004	0.004	0.002	0.002
02/21/2026	1039.548	0.782	1.469	0.599	91.948	5.406	0.337	0.016	0.029	0.004	0.004	0.002	0.002
02/20/2026	1035.747	0.648	1.589	0.596	92.449	4.937	0.322	0.015	0.028	0.004	0.004	0.001	0.001
02/19/2026	1045.161	0.823	1.084	0.599	92.038	5.640	0.355	0.018	0.031	0.004	0.004	0.001	0.001
02/18/2026	1055.503	0.977	0.689	0.604	91.321	6.541	0.399	0.020	0.038	0.005	0.005	0.001	0.001
02/17/2026	1045.130	0.786	1.124	0.599	92.011	5.679	0.344	0.016	0.029	0.004	0.004	0.001	0.001