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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	1023.722	0.346	2.297	0.591	93.231	3.631	0.411	0.022	0.042	0.006	0.007	0.003	0.003
05/20/2026	1021.852	0.307	2.344	0.589	93.428	3.447	0.400	0.020	0.038	0.005	0.006	0.003	0.003
05/19/2026	1016.519	0.216	2.464	0.586	94.010	2.885	0.345	0.020	0.038	0.006	0.007	0.004	0.004
05/18/2026	1022.568	0.282	2.398	0.590	93.371	3.391	0.462	0.026	0.048	0.007	0.007	0.004	0.004
05/17/2026	1025.895	0.316	2.287	0.592	93.141	3.675	0.486	0.026	0.048	0.007	0.007	0.004	0.004
05/16/2026	1023.427	0.330	2.376	0.591	93.179	3.576	0.449	0.024	0.046	0.006	0.007	0.004	0.004
05/15/2026	1019.085	0.259	2.423	0.588	93.713	3.140	0.383	0.022	0.041	0.006	0.007	0.003	0.003
05/14/2026	1021.836	0.331	2.454	0.591	93.208	3.473	0.436	0.026	0.048	0.007	0.008	0.004	0.004
05/13/2026	1030.112	0.389	2.322	0.596	92.595	3.887	0.676	0.039	0.069	0.008	0.008	0.003	0.003
05/12/2026	1042.595	0.514	2.090	0.603	91.580	4.706	0.924	0.056	0.104	0.010	0.010	0.003	0.003
05/11/2026	1027.236	0.405	2.258	0.593	92.868	3.848	0.522	0.029	0.050	0.007	0.007	0.003	0.003
05/10/2026	1028.978	0.458	2.068	0.593	92.899	4.003	0.483	0.026	0.045	0.006	0.006	0.003	0.003
05/09/2026	1031.243	0.489	1.963	0.594	92.775	4.199	0.486	0.026	0.045	0.006	0.006	0.003	0.003
05/08/2026	1034.513	0.529	2.067	0.598	92.097	4.660	0.550	0.028	0.051	0.007	0.007	0.003	0.003
05/07/2026	1028.569	0.434	2.234	0.595	92.584	4.209	0.455	0.024	0.043	0.006	0.006	0.003	0.003
05/06/2026	1023.572	0.388	2.389	0.592	92.981	3.722	0.423	0.025	0.048	0.008	0.008	0.004	0.004
05/05/2026	1020.742	0.344	2.465	0.591	93.232	3.489	0.374	0.024	0.046	0.008	0.009	0.004	0.004
05/04/2026	1025.731	0.329	2.373	0.593	92.959	3.748	0.480	0.029	0.055	0.009	0.009	0.004	0.004
05/03/2026	1040.724	0.540	2.105	0.603	91.543	4.893	0.739	0.050	0.095	0.013	0.013	0.004	0.004
05/02/2026	1043.483	0.598	1.993	0.604	91.295	5.193	0.752	0.048	0.090	0.012	0.012	0.004	0.004
05/01/2026	1047.852	0.690	1.889	0.607	90.843	5.569	0.836	0.050	0.091	0.011	0.011	0.004	0.004
04/30/2026	1041.647	0.680	2.029	0.605	91.053	5.500	0.601	0.036	0.068	0.011	0.012	0.005	0.005
04/29/2026	1038.244	0.623	2.312	0.605	91.068	5.222	0.605	0.041	0.079	0.015	0.016	0.009	0.009
04/28/2026	1046.510	0.724	2.025	0.608	90.500	5.867	0.725	0.042	0.080	0.012	0.013	0.006	0.006
04/27/2026	1045.284	0.694	2.049	0.607	90.674	5.705	0.716	0.043	0.083	0.012	0.012	0.006	0.006
04/26/2026	1048.331	0.718	2.285	0.612	90.110	5.811	0.800	0.057	0.113	0.022	0.026	0.027	0.027
04/25/2026	1037.531	0.550	3.713	0.618	89.107	5.234	0.938	0.105	0.202	0.048	0.053	0.023	0.023
04/24/2026	1044.053	0.563	2.317	0.607	90.430	5.873	0.670	0.038	0.076	0.010	0.011	0.005	0.005
04/23/2026	1050.471	0.190	3.211	0.615	88.516	7.192	0.714	0.043	0.081	0.016	0.018	0.009	0.009
04/22/2026	1046.754	0.126	3.323	0.613	88.777	6.967	0.650	0.038	0.071	0.014	0.016	0.008	0.008
04/21/2026	1047.226	0.283	2.970	0.612	89.242	6.644	0.688	0.043	0.084	0.015	0.016	0.008	0.008
04/20/2026	1031.475	0.465	2.574	0.601	91.691	4.498	0.603	0.043	0.084	0.013	0.014	0.007	0.007
04/19/2026	1029.855	0.483	2.486	0.599	91.990	4.322	0.564	0.039	0.078	0.012	0.012	0.006	0.006
04/18/2026	1030.642	0.492	2.402	0.599	92.029	4.382	0.552	0.037	0.073	0.011	0.011	0.006	0.006
04/17/2026	1030.726	0.496	2.400	0.599	92.021	4.386	0.550	0.037	0.073	0.011	0.012	0.007	0.007
04/16/2026	1029.918	0.447	2.557	0.599	91.937	4.319	0.576	0.041	0.082	0.013	0.014	0.007	0.007
04/15/2026	1026.594	0.426	2.376	0.595	92.525	4.184	0.383	0.024	0.048	0.009	0.010	0.006	0.006
04/14/2026	1040.484	0.671	1.999	0.603	91.135	5.597	0.485	0.028	0.052	0.010	0.011	0.006	0.006
04/13/2026	1028.032	0.465	2.365	0.596	92.261	4.426	0.384	0.024	0.044	0.009	0.010	0.006	0.006
04/12/2026	1027.324	0.462	2.346	0.595	92.388	4.334	0.372	0.023	0.043	0.009	0.010	0.006	0.006
04/11/2026	1025.281	0.450	2.237	0.593	92.888	3.999	0.334	0.020	0.041	0.009	0.010	0.006	0.006
04/10/2026	1032.282	0.551	2.101	0.597	92.159	4.675	0.410	0.024	0.046	0.009	0.010	0.007	0.007
04/09/2026	1029.428	0.389	2.585	0.598	91.865	4.606	0.427	0.029	0.055	0.013	0.014	0.008	0.008
04/08/2026	1021.118	0.222	2.939	0.594	92.482	3.839	0.382	0.031	0.058	0.014	0.016	0.008	0.008
04/07/2026	1009.072	0.133	2.591	0.581	94.643	2.407	0.180	0.011	0.020	0.004	0.005	0.003	0.003
04/06/2026	1011.206	0.140	2.444	0.581	94.707	2.478	0.180	0.011	0.021	0.005	0.006	0.003	0.003
04/05/2026	1011.043	0.143	2.426	0.581	94.750	2.464	0.168	0.011	0.021	0.005	0.006	0.003	0.003
04/04/2026	1010.872	0.144	2.431	0.581	94.752	2.460	0.164	0.011	0.021	0.005	0.006	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