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Gas Quality / Gas Quality By Date

Date Requested: Sep 02 2025 9:32 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


09/02/2025	1043.798	0.501	0.385	0.586	94.226	4.774	0.106	0.005	0.003	0.001	0.000	0.000	0.000
09/01/2025	1043.155	0.504	0.394	0.585	94.279	4.710	0.105	0.004	0.003	0.000	0.000	0.000	0.000
08/31/2025	1043.807	0.510	0.394	0.586	94.199	4.769	0.118	0.006	0.004	0.001	0.000	0.000	0.000
08/30/2025	1042.036	0.495	0.411	0.585	94.400	4.584	0.102	0.004	0.003	0.000	0.000	0.000	0.000
08/29/2025	1043.527	0.491	0.384	0.585	94.283	4.730	0.105	0.004	0.003	0.000	0.000	0.000	0.000
08/28/2025	1042.977	0.486	0.365	0.585	94.406	4.635	0.100	0.004	0.003	0.001	0.000	0.000	0.000
08/27/2025	1046.113	0.505	0.376	0.587	94.079	4.812	0.192	0.015	0.015	0.003	0.002	0.001	0.001
08/26/2025	1041.401	0.505	0.409	0.584	94.492	4.466	0.113	0.007	0.006	0.001	0.001	0.000	0.000
08/25/2025	1041.260	0.501	0.384	0.584	94.546	4.467	0.095	0.004	0.003	0.000	0.000	0.000	0.000
08/24/2025	1042.050	0.505	0.363	0.584	94.481	4.549	0.095	0.004	0.003	0.000	0.000	0.000	0.000
08/23/2025	1042.918	0.506	0.353	0.585	94.392	4.645	0.097	0.004	0.003	0.000	0.000	0.000	0.000
08/22/2025	1042.643	0.506	0.365	0.585	94.400	4.627	0.096	0.004	0.003	0.000	0.000	0.000	0.000
08/21/2025	1041.424	0.491	0.386	0.584	94.535	4.493	0.088	0.004	0.002	0.000	0.000	0.000	0.000
08/20/2025	1041.675	0.485	0.416	0.584	94.454	4.543	0.094	0.004	0.003	0.000	0.000	0.000	0.000
08/19/2025	1040.971	0.492	0.408	0.584	94.550	4.446	0.096	0.004	0.003	0.001	0.000	0.000	0.000
08/18/2025	1041.018	0.490	0.413	0.584	94.537	4.458	0.095	0.004	0.003	0.001	0.000	0.000	0.000
08/17/2025	1041.565	0.468	0.427	0.584	94.483	4.518	0.095	0.004	0.003	0.001	0.000	0.000	0.000
08/16/2025	1043.073	0.470	0.396	0.585	94.354	4.677	0.095	0.004	0.003	0.000	0.000	0.000	0.000
08/15/2025	1043.289	0.459	0.390	0.585	94.365	4.683	0.095	0.004	0.003	0.001	0.000	0.000	0.000
08/14/2025	1042.849	0.433	0.384	0.584	94.496	4.586	0.094	0.004	0.003	0.000	0.000	0.000	0.000
08/13/2025	1043.914	0.461	0.381	0.585	94.316	4.727	0.106	0.005	0.003	0.001	0.000	0.000	0.000
08/12/2025	1044.511	0.499	0.391	0.586	94.123	4.876	0.104	0.005	0.003	0.001	0.000	0.000	0.000
08/11/2025	1050.309	0.577	0.846	0.596	92.280	6.042	0.237	0.008	0.009	0.001	0.000	0.000	0.000
08/10/2025	1077.875	0.898	2.286	0.634	85.142	10.907	0.712	0.019	0.032	0.002	0.002	0.000	0.000
08/09/2025	1081.377	0.927	2.407	0.638	84.434	11.397	0.758	0.027	0.042	0.004	0.004	0.001	0.001
08/08/2025	1085.254	0.942	2.440	0.641	83.895	11.808	0.837	0.026	0.045	0.003	0.003	0.000	0.000
08/07/2025	1080.553	0.904	2.262	0.635	84.925	11.069	0.767	0.024	0.041	0.003	0.003	0.000	0.000
08/06/2025	1077.397	0.878	2.242	0.633	85.405	10.670	0.738	0.022	0.039	0.003	0.003	0.000	0.000
08/05/2025	1079.286	0.884	2.176	0.633	85.348	10.746	0.770	0.026	0.043	0.003	0.003	0.000	0.000
08/04/2025	1079.664	0.877	2.104	0.633	85.471	10.706	0.768	0.024	0.042	0.003	0.003	0.000	0.000
08/03/2025	1082.846	0.887	2.146	0.635	85.068	10.961	0.839	0.029	0.058	0.005	0.006	0.001	0.001
08/02/2025	1081.837	0.890	2.176	0.635	85.049	10.994	0.814	0.024	0.046	0.003	0.004	0.000	0.000
08/01/2025	1088.499	0.948	2.457	0.643	83.504	12.083	0.933	0.025	0.045	0.002	0.003	0.000	0.000
07/31/2025	1084.220	0.918	2.308	0.639	84.407	11.429	0.865	0.024	0.044	0.002	0.003	0.000	0.000
07/30/2025	1084.540	0.933	2.435	0.640	84.121	11.492	0.939	0.027	0.049	0.003	0.003	0.000	0.000
07/29/2025	1085.257	0.935	2.490	0.641	83.941	11.567	0.985	0.027	0.049	0.003	0.003	0.000	0.000
07/28/2025	1084.951	0.941	2.505	0.641	83.860	11.697	0.918	0.026	0.047	0.003	0.003	0.000	0.000
07/27/2025	1086.887	0.952	2.502	0.643	83.575	11.990	0.903	0.025	0.047	0.003	0.003	0.000	0.000
07/26/2025	1067.885	0.764	1.647	0.619	88.083	8.889	0.569	0.017	0.028	0.002	0.002	0.000	0.000
07/25/2025	1045.938	0.524	0.424	0.588	93.857	5.032	0.151	0.006	0.005	0.001	0.000	0.000	0.000
07/24/2025	1045.439	0.517	0.437	0.588	93.932	4.932	0.161	0.009	0.008	0.001	0.001	0.000	0.000
07/23/2025	1057.756	0.667	1.209	0.606	90.414	7.308	0.373	0.011	0.017	0.001	0.001	0.000	0.000
07/22/2025	1082.752	0.921	2.413	0.639	84.292	11.485	0.822	0.023	0.040	0.002	0.002	0.000	0.000
07/21/2025	1087.520	0.918	2.433	0.642	83.745	11.906	0.923	0.026	0.045	0.002	0.002	0.000	0.000
07/20/2025	1088.769	0.936	2.481	0.644	83.474	12.066	0.967	0.027	0.045	0.002	0.002	0.000	0.000
07/19/2025	1089.123	0.957	2.494	0.644	83.353	12.148	0.974	0.026	0.044	0.002	0.002	0.000	0.000
07/18/2025	1086.556	0.952	2.529	0.643	83.567	11.956	0.924	0.025	0.043	0.002	0.002	0.000	0.000
07/17/2025	1084.220	0.939	2.525	0.641	83.807	11.831	0.830	0.022	0.040	0.002	0.002	0.000	0.000
07/16/2025	1083.329	0.920	2.428	0.639	84.256	11.446	0.871	0.026	0.048	0.003	0.003	0.000	0.000
07/15/2025	1079.809	0.932	2.436	0.637	84.562	11.212	0.794	0.022	0.038	0.002	0.002	0.000	0.000
07/14/2025	1079.076	0.945	2.513	0.638	84.409	11.312	0.760	0.021	0.037	0.002	0.002	0.000	0.000
07/13/2025	1077.749	0.927	2.548	0.637	84.510	11.223	0.735	0.019	0.034	0.002	0.002	0.000	0.000
07/12/2025	1080.982	0.952	2.602	0.640	83.969	11.624	0.791	0.021	0.037	0.002	0.002	0.000	0.000
07/11/2025	1081.759	0.958	2.593	0.641	83.890	11.693	0.801	0.022	0.039	0.002	0.002	0.000	0.000
07/10/2025	1082.264	0.946	2.557	0.640	83.937	11.694	0.800	0.022	0.039	0.002	0.002	0.000	0.000
07/09/2025	1083.278	0.953	2.541	0.641	83.821	11.825	0.797	0.022	0.039	0.002	0.002	0.000	0.000
07/08/2025	1083.391	0.959	2.562	0.641	83.748	11.864	0.804	0.021	0.038	0.002	0.002	0.000	0.000
07/07/2025	1082.768	0.959	2.521	0.641	83.903	11.770	0.786	0.021	0.037	0.002	0.002	0.000	0.000
07/06/2025	1083.445	0.957	2.533	0.641	83.818	11.824	0.804	0.022	0.039	0.002	0.002	0.000	0.000
07/05/2025	1082.776	0.959	2.547	0.641	83.883	11.727	0.816	0.022	0.041	0.002	0.002	0.000	0.000
07/04/2025	1082.531	0.957	2.536	0.640	84.022	11.534	0.877	0.025	0.045	0.002	0.002	0.000	0.000
07/03/2025	1082.148	0.938	2.498	0.640	84.195	11.433	0.855	0.027	0.047	0.003	0.003	0.000	0.000
07/02/2025	1078.513	0.914	2.441	0.636	84.730	11.089	0.760	0.022	0.039	0.002	0.002	0.000	0.000
07/01/2025	1072.233	0.885	2.390	0.631	85.646	10.341	0.675	0.020	0.037	0.003	0.003	0.000	0.000
06/30/2025	1075.211	0.920	2.390	0.634	85.170	10.779	0.682	0.019	0.034	0.002	0.002	0.000	0.000
06/29/2025	1076.232	0.927	2.426	0.635	84.922	10.997	0.676	0.018	0.031	0.002	0.002	0.000	0.000
06/28/2025	1054.564	0.706	1.204	0.605	90.685	7.064	0.320	0.009	0.012	0.001	0.001	0.000	0.000
06/27/2025	1052.366	0.677	1.045	0.601	91.362	6.614	0.282	0.008	0.010	0.001	0.001	0.000	0.000
06/26/2025	1056.563	0.719	1.261	0.607	90.265	7.406	0.325	0.009	0.012	0.001	0.001	0.000	0.000
06/25/2025	1054.176	0.681	1.123	0.603	90.973	6.888	0.312	0.009	0.012	0.001	0.001	0.000	0.000
06/24/2025	1040.502	0.541	0.446	0.585	94.416	4.482	0.107	0.004	0.002	0.000	0.000	0.000	0.000
06/23/2025	1040.312	0.533	0.489	0.585	94.371	4.486	0.112	0.005	0.004	0.001	0.000	0.000	0.000
06/22/2025	1045.318	0.591	0.667	0.591	93.239	5.319	0.170	0.006	0.007	0.001	0.000	0.000	0.000
06/21/2025	1047.983	0.624	0.844	0.595	92.461	5.836	0.214	0.008	0.010	0.001	0.001	0.000	0.000
06/20/2025	1043.865	0.570	0.479	0.588	93.838	4.998	0.106	0.005	0.003	0.001	0.000	0.000	0.000
06/19/2025	1044.033	0.595	0.547	0.589	93.597	5.149	0.103	0.005	0.003	0.001	0.000	0.000	0.000
06/18/2025	1049.388	0.591	0.479	0.592	93.069	5.746	0.106	0.005	0.003	0.001	0.000	0.000	0.000
06/17/2025	1051.254	0.594	0.439	0.592	92.915	5.934	0.109	0.005	0.003	0.001	0.000	0.000	0.000
06/16/2025	1050.806	0.582	0.446	0.592	92.994	5.856	0.114	0.005	0.003	0.001	0.000	0.000	0.000
06/15/2025	1048.840	0.583	0.443	0.591	93.246	5.610	0.110	0.005	0.003	0.001	0.000	0.000	0.000
06/14/2025	1048.883	0.604	0.444	0.591	93.195	5.634	0.114	0.005	0.003	0.001	0.000	0.000	0.000
06/13/2025	1047.534	0.634	0.515	0.592	93.140	5.588	0.115	0.005	0.003	0.001	0.000	0.000	0.000
06/12/2025	1045.975	0.647	0.614	0.592	93.087	5.523	0.119	0.005	0.004	0.001	0.000	0.000	0.000
06/11/2025	1050.478	0.760	1.058	0.601	91.353	6.564	0.244	0.008	0.011	0.001	0.001	0.000	0.000
06/10/2025	1057.647	0.883	1.532	0.613	89.207	7.953	0.390	0.012	0.021	0.001	0.001	0.000	0.000
06/09/2025	1059.829	0.916	1.434	0.614	89.077	8.142	0.396	0.012	0.021	0.001	0.001	0.000	0.000
06/08/2025	1062.170	0.821	1.507	0.614	88.835	8.394	0.408	0.012	0.021	0.001	0.001	0.000	0.000
06/07/2025	1054.029	0.627	0.560	0.596	92.344	6.230	0.208	0.013	0.014	0.002	0.002	0.000	0.000
06/06/2025	1049.660	0.608	0.454	0.592	93.090	5.706	0.127	0.006	0.007	0.001	0.001	0.000	0.000
06/05/2025	1048.716	0.647	0.719	0.595	92.587	5.834	0.188	0.010	0.012	0.002	0.001	0.000	0.000
06/04/2025	1053.866	0.753	1.154	0.604	90.909	6.763	0.360	0.021	0.032	0.004	0.004	0.001	0.001
06/03/2025	1055.521	0.729	1.065	0.604	91.126	6.537	0.431	0.035	0.059	0.007	0.007	0.001	0.001
06/02/2025	1055.134	0.795	1.421	0.609	89.977	7.397	0.374	0.012	0.020	0.001	0.001	0.000	0.000
06/01/2025	1054.469	0.819	1.459	0.609	89.911	7.411	0.370	0.011	0.018	0.001	0.001	0.000	0.000