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Gas Quality / Gas Quality By Date

Date Requested: Feb 28 2026 7:56 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


02/28/2026	1099.422	1.993	0.555	0.647	84.924	10.937	1.307	0.079	0.154	0.019	0.020	0.006	0.006
02/27/2026	1099.422	1.993	0.555	0.647	84.924	10.937	1.307	0.079	0.154	0.019	0.020	0.006	0.006
02/26/2026	1085.617	1.762	0.824	0.637	86.523	9.307	1.369	0.068	0.119	0.010	0.010	0.004	0.004
02/25/2026	1098.490	2.033	0.593	0.647	84.774	11.025	1.345	0.070	0.126	0.013	0.012	0.005	0.005
02/24/2026	1097.254	1.986	0.579	0.646	84.859	11.181	1.195	0.062	0.109	0.011	0.010	0.004	0.004
02/23/2026	1097.125	1.993	0.616	0.646	85.003	10.811	1.334	0.073	0.133	0.014	0.013	0.005	0.005
02/22/2026	1052.683	1.314	0.609	0.607	91.511	5.718	0.731	0.038	0.064	0.007	0.006	0.001	0.001
02/21/2026	1063.167	1.462	0.579	0.616	90.032	6.922	0.879	0.042	0.069	0.006	0.005	0.001	0.001
02/20/2026	1069.722	1.573	0.708	0.623	88.783	7.807	0.976	0.049	0.084	0.009	0.008	0.002	0.002
02/19/2026	1085.821	1.926	0.578	0.637	86.153	10.233	0.961	0.046	0.078	0.010	0.010	0.003	0.003
02/18/2026	1076.518	1.695	0.772	0.630	87.210	9.415	0.790	0.038	0.062	0.007	0.007	0.002	0.002
02/17/2026	1080.992	1.847	0.642	0.634	86.672	9.845	0.866	0.041	0.067	0.008	0.007	0.002	0.002
02/16/2026	1081.021	1.762	0.735	0.633	86.666	9.823	0.888	0.041	0.066	0.008	0.007	0.002	0.002
02/15/2026	1081.510	1.792	0.533	0.632	87.166	9.357	1.002	0.049	0.080	0.009	0.008	0.002	0.002
02/14/2026	1087.018	1.887	0.566	0.638	86.162	10.230	1.000	0.049	0.083	0.009	0.008	0.003	0.003
02/13/2026	1078.158	1.643	0.860	0.631	87.211	9.106	1.030	0.049	0.081	0.008	0.007	0.002	0.002
02/12/2026	1075.406	1.569	0.965	0.629	87.293	9.181	0.859	0.043	0.071	0.008	0.007	0.002	0.002
02/11/2026	1076.817	1.551	0.989	0.630	86.922	9.685	0.750	0.034	0.054	0.006	0.005	0.002	0.002
02/10/2026	1087.870	1.775	0.772	0.638	85.717	10.693	0.894	0.046	0.080	0.009	0.008	0.003	0.003
02/09/2026	1092.456	1.969	0.550	0.642	85.561	10.558	1.164	0.060	0.108	0.012	0.011	0.004	0.004
02/08/2026	1096.178	2.016	0.586	0.646	84.943	11.002	1.270	0.060	0.102	0.009	0.008	0.002	0.002
02/07/2026	1089.968	1.825	0.564	0.638	85.863	10.623	0.987	0.047	0.079	0.006	0.005	0.001	0.001
02/06/2026	1082.734	1.720	0.509	0.631	86.886	10.014	0.769	0.036	0.058	0.004	0.003	0.001	0.001
02/05/2026	1083.548	1.732	0.545	0.633	86.825	9.891	0.886	0.041	0.067	0.005	0.005	0.001	0.001
02/04/2026	1087.881	1.847	0.522	0.637	86.033	10.623	0.848	0.041	0.071	0.007	0.006	0.001	0.001
02/03/2026	1093.595	1.880	0.528	0.641	85.247	11.347	0.848	0.046	0.083	0.008	0.008	0.002	0.002
02/02/2026	1088.626	1.863	0.534	0.638	86.160	10.245	1.013	0.055	0.102	0.010	0.010	0.003	0.003
02/01/2026	1078.878	1.743	0.552	0.630	87.493	9.154	0.899	0.048	0.087	0.009	0.008	0.003	0.003
01/31/2026	1079.687	1.770	0.579	0.631	87.549	8.778	1.143	0.058	0.102	0.009	0.008	0.003	0.003
01/30/2026	1085.158	1.743	0.569	0.634	86.759	9.764	0.993	0.052	0.094	0.010	0.009	0.003	0.003
01/29/2026	1091.715	1.747	0.719	0.640	85.909	10.163	1.229	0.070	0.131	0.013	0.011	0.004	0.004
01/28/2026	1055.878	1.104	0.955	0.609	90.807	6.300	0.696	0.039	0.071	0.008	0.008	0.006	0.006
01/27/2026	1053.067	1.184	0.803	0.607	91.458	5.668	0.712	0.045	0.086	0.012	0.013	0.010	0.010
01/26/2026	1058.890	1.364	0.579	0.611	91.062	5.924	0.847	0.055	0.108	0.015	0.017	0.015	0.015
01/25/2026	1045.953	0.974	1.392	0.605	91.140	5.851	0.543	0.029	0.053	0.006	0.006	0.003	0.003
01/24/2026	1029.876	0.645	1.965	0.596	92.397	4.576	0.356	0.019	0.034	0.004	0.004	0.001	0.001
01/23/2026	1073.110	1.575	0.808	0.626	87.900	8.782	0.795	0.043	0.078	0.008	0.007	0.002	0.002
01/22/2026	1084.889	1.798	0.560	0.635	86.608	9.941	0.931	0.049	0.091	0.009	0.008	0.003	0.003
01/21/2026	1090.340	1.850	0.556	0.639	85.721	10.827	0.898	0.046	0.082	0.008	0.007	0.002	0.002
01/20/2026	1086.959	1.892	0.566	0.638	85.854	10.790	0.785	0.038	0.064	0.006	0.005	0.001	0.001
01/19/2026	1085.082	1.918	0.557	0.637	85.909	10.840	0.681	0.032	0.053	0.004	0.003	0.001	0.001
01/18/2026	1080.398	1.834	0.541	0.632	86.774	10.049	0.712	0.032	0.050	0.004	0.003	0.000	0.000
01/17/2026	1078.115	1.731	0.534	0.629	87.170	9.899	0.599	0.025	0.037	0.003	0.002	0.000	0.000
01/16/2026	1088.102	1.909	0.550	0.638	85.691	10.972	0.758	0.038	0.066	0.007	0.006	0.002	0.002
01/15/2026	1085.841	1.800	0.629	0.636	86.013	10.722	0.719	0.037	0.064	0.007	0.006	0.002	0.002
01/14/2026	1040.102	0.770	1.649	0.601	91.546	5.579	0.392	0.020	0.034	0.004	0.003	0.001	0.001
01/13/2026	1045.727	0.912	1.512	0.605	90.772	6.364	0.385	0.018	0.029	0.003	0.002	0.001	0.001
01/12/2026	1052.685	0.944	1.415	0.609	90.151	6.953	0.462	0.023	0.039	0.005	0.005	0.002	0.002
01/11/2026	1053.043	0.948	1.319	0.609	90.296	6.928	0.426	0.024	0.041	0.006	0.006	0.002	0.002
01/10/2026	1058.726	1.035	1.180	0.612	89.611	7.696	0.417	0.020	0.033	0.003	0.003	0.000	0.000
01/09/2026	1027.962	0.427	1.710	0.588	93.455	4.242	0.140	0.008	0.012	0.003	0.002	0.001	0.001
01/08/2026	1027.242	0.468	1.882	0.590	93.166	4.215	0.234	0.012	0.018	0.002	0.002	0.001	0.001
01/07/2026	1013.316	0.220	2.117	0.580	94.859	2.674	0.109	0.007	0.010	0.002	0.002	0.001	0.001
01/06/2026	1013.314	0.232	2.072	0.580	94.924	2.650	0.103	0.007	0.009	0.002	0.001	0.000	0.000
01/05/2026	1032.220	0.613	1.656	0.594	92.932	4.353	0.375	0.024	0.033	0.006	0.004	0.003	0.003
01/04/2026	1048.626	0.974	1.408	0.607	90.706	6.317	0.502	0.030	0.044	0.007	0.005	0.003	0.003
01/03/2026	1032.758	0.638	1.400	0.592	93.363	4.222	0.291	0.030	0.029	0.011	0.006	0.005	0.005
01/02/2026	1027.388	0.542	1.349	0.586	94.282	3.554	0.203	0.024	0.021	0.010	0.005	0.005	0.005
01/01/2026	1030.720	0.653	1.308	0.590	93.653	4.108	0.227	0.018	0.020	0.005	0.003	0.003	0.003
12/31/2025	1037.511	0.832	1.144	0.595	92.815	4.865	0.281	0.021	0.025	0.006	0.004	0.003	0.003
12/30/2025	1061.492	1.313	0.842	0.615	89.758	7.322	0.644	0.038	0.062	0.009	0.007	0.003	0.003
12/29/2025	1049.869	1.028	1.046	0.605	91.203	6.187	0.444	0.030	0.040	0.008	0.005	0.004	0.004
12/28/2025	1050.936	0.941	1.237	0.606	90.830	6.440	0.465	0.029	0.038	0.008	0.005	0.003	0.003
12/27/2025	1075.629	1.581	0.940	0.629	87.190	9.373	0.803	0.038	0.063	0.005	0.004	0.001	0.001
12/26/2025	1065.754	1.384	1.156	0.622	88.402	8.198	0.733	0.039	0.067	0.008	0.007	0.002	0.002
12/25/2025	1093.413	1.921	0.531	0.642	85.052	11.571	0.810	0.039	0.065	0.005	0.004	0.001	0.001
12/24/2025	1073.230	1.646	0.554	0.625	88.319	8.525	0.821	0.043	0.075	0.008	0.007	0.002	0.002
12/23/2025	1078.545	1.709	0.544	0.629	87.501	9.281	0.842	0.040	0.067	0.007	0.006	0.002	0.002
12/22/2025	1072.283	1.710	0.549	0.625	88.332	8.428	0.842	0.044	0.076	0.008	0.007	0.002	0.002
12/21/2025	1064.690	1.479	0.556	0.617	89.880	7.062	0.880	0.046	0.079	0.007	0.006	0.001	0.001
12/20/2025	1069.575	1.550	0.667	0.622	88.956	7.675	1.003	0.049	0.083	0.007	0.006	0.001	0.001
12/19/2025	1071.217	1.601	0.529	0.622	88.601	8.424	0.736	0.036	0.059	0.006	0.005	0.001	0.001
12/18/2025	1070.600	1.634	0.453	0.622	88.579	8.661	0.595	0.027	0.043	0.004	0.003	0.001	0.001
12/17/2025	1066.970	1.582	0.509	0.619	89.182	7.943	0.681	0.034	0.055	0.006	0.005	0.002	0.002
12/16/2025	1063.891	1.527	0.529	0.617	89.933	6.996	0.876	0.045	0.075	0.008	0.007	0.002	0.002
12/15/2025	1069.012	1.661	0.530	0.622	89.046	7.694	0.903	0.051	0.090	0.011	0.010	0.003	0.003
12/14/2025	1068.552	1.574	0.550	0.621	88.962	8.085	0.712	0.037	0.063	0.007	0.006	0.002	0.002
12/13/2025	1065.804	1.551	0.502	0.618	89.122	8.305	0.453	0.022	0.035	0.004	0.003	0.001	0.001
12/12/2025	1066.006	1.513	0.526	0.618	89.313	7.989	0.555	0.031	0.055	0.007	0.006	0.002	0.002
12/11/2025	1029.559	0.948	0.471	0.585	95.402	2.650	0.414	0.030	0.054	0.008	0.008	0.007	0.007
12/10/2025	1044.097	1.170	0.491	0.598	93.273	4.272	0.634	0.041	0.079	0.011	0.011	0.009	0.009
12/09/2025	1041.717	1.131	0.473	0.596	93.653	4.011	0.578	0.038	0.074	0.010	0.011	0.010	0.010
12/08/2025	1054.317	1.322	0.572	0.608	91.664	5.430	0.812	0.052	0.100	0.013	0.014	0.011	0.011
12/07/2025	1060.429	1.429	0.598	0.614	90.347	6.753	0.719	0.044	0.082	0.010	0.010	0.004	0.004
12/06/2025	1059.848	1.416	0.631	0.613	90.028	7.321	0.505	0.031	0.053	0.007	0.006	0.001	0.001
12/05/2025	1048.685	1.260	0.604	0.603	91.835	5.755	0.457	0.028	0.048	0.006	0.005	0.001	0.001
12/04/2025	1040.798	1.137	0.602	0.596	93.222	4.441	0.497	0.031	0.055	0.007	0.006	0.001	0.001
12/03/2025	1042.063	1.109	0.597	0.597	93.239	4.374	0.558	0.036	0.068	0.008	0.008	0.001	0.001
12/02/2025	1042.333	1.141	0.569	0.597	92.978	4.801	0.430	0.026	0.045	0.005	0.004	0.001	0.001
12/01/2025	1060.018	1.428	0.603	0.613	90.300	6.835	0.705	0.040	0.072	0.007	0.006	0.001	0.001
11/30/2025	1054.263	1.331	0.621	0.608	91.203	6.043	0.673	0.039	0.071	0.008	0.007	0.001	0.001
11/29/2025	1047.812	1.252	0.620	0.603	92.189	5.169	0.648	0.038	0.068	0.007	0.007	0.001	0.001
11/28/2025	1048.206	1.248	0.615	0.603	92.252	5.039	0.705	0.042	0.079	0.008	0.008	0.001	0.001
11/27/2025	1048.122	1.283	0.625	0.604	92.066	5.245	0.668	0.036	0.062	0.006	0.006	0.001	0.001