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Gas Quality / Gas Quality By Date

Date Requested: Nov 25 2025 12:52 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


11/25/2025	1072.616	1.013	2.096	0.630	86.084	10.006	0.708	0.027	0.052	0.006	0.006	0.001	0.001
11/24/2025	1072.062	1.031	1.996	0.629	86.298	9.912	0.681	0.024	0.046	0.005	0.005	0.001	0.001
11/23/2025	1074.226	1.094	2.000	0.632	85.840	10.326	0.656	0.024	0.047	0.005	0.005	0.001	0.001
11/22/2025	1075.046	1.104	1.902	0.631	86.007	10.198	0.689	0.028	0.056	0.006	0.007	0.001	0.001
11/21/2025	1065.684	0.989	2.086	0.626	86.978	9.235	0.620	0.025	0.051	0.006	0.006	0.001	0.001
11/20/2025	1071.493	1.102	1.859	0.629	86.575	9.687	0.670	0.030	0.060	0.007	0.008	0.002	0.002
11/19/2025	1077.343	1.198	1.856	0.634	85.586	10.580	0.682	0.028	0.055	0.006	0.007	0.001	0.001
11/18/2025	1082.048	1.146	2.258	0.640	84.234	11.494	0.779	0.026	0.051	0.005	0.005	0.001	0.001
11/17/2025	1075.297	1.153	1.790	0.631	86.091	10.212	0.650	0.028	0.056	0.007	0.008	0.002	0.002
11/16/2025	1072.404	1.199	1.520	0.627	87.038	9.463	0.661	0.031	0.063	0.009	0.010	0.003	0.003
11/15/2025	1072.330	1.199	1.510	0.627	87.075	9.437	0.659	0.031	0.064	0.009	0.010	0.003	0.003
11/14/2025	1066.362	1.041	1.705	0.623	87.799	8.663	0.651	0.035	0.074	0.011	0.013	0.003	0.003
11/13/2025	1066.850	1.025	1.730	0.623	87.739	8.690	0.677	0.036	0.075	0.011	0.012	0.003	0.003
11/12/2025	1073.411	1.095	1.830	0.629	86.456	9.805	0.696	0.031	0.064	0.008	0.009	0.002	0.002
11/11/2025	1076.128	1.063	2.168	0.634	85.374	10.572	0.724	0.028	0.055	0.006	0.007	0.001	0.001
11/10/2025	1079.943	1.016	2.433	0.639	84.420	11.240	0.804	0.026	0.050	0.005	0.005	0.001	0.001
11/09/2025	1088.072	1.027	2.701	0.647	82.747	12.584	0.863	0.026	0.047	0.003	0.003	0.000	0.000
11/08/2025	1090.779	1.012	2.662	0.648	82.585	12.741	0.916	0.028	0.049	0.003	0.003	0.000	0.000
11/07/2025	1090.486	1.040	2.771	0.649	82.388	12.714	1.002	0.028	0.050	0.003	0.003	0.000	0.000
11/06/2025	1089.052	1.027	2.714	0.648	82.602	12.690	0.898	0.023	0.041	0.002	0.002	0.000	0.000
11/05/2025	1086.264	1.008	2.683	0.645	83.119	12.188	0.931	0.024	0.041	0.002	0.003	0.000	0.000
11/04/2025	1087.072	1.004	2.653	0.645	83.126	12.189	0.952	0.025	0.045	0.002	0.003	0.000	0.000
11/03/2025	1090.181	1.026	2.724	0.648	82.637	12.460	1.070	0.029	0.050	0.003	0.003	0.000	0.000
11/02/2025	1087.971	1.003	2.684	0.646	83.064	12.117	1.035	0.031	0.058	0.003	0.004	0.000	0.000
11/01/2025	1079.204	0.985	2.586	0.639	84.239	11.268	0.853	0.023	0.040	0.003	0.003	0.000	0.000
10/31/2025	1071.727	0.985	2.325	0.632	85.672	10.251	0.697	0.022	0.039	0.004	0.004	0.001	0.001
10/30/2025	1066.607	0.921	2.278	0.627	86.629	9.381	0.714	0.023	0.042	0.004	0.005	0.001	0.001
10/29/2025	1076.128	0.949	2.547	0.636	84.792	10.810	0.834	0.023	0.039	0.003	0.003	0.000	0.000
10/28/2025	1082.972	0.996	2.653	0.643	83.734	11.540	0.994	0.029	0.049	0.003	0.003	0.000	0.000
10/27/2025	1073.775	0.939	2.587	0.635	84.947	10.702	0.763	0.021	0.036	0.002	0.003	0.000	0.000
10/26/2025	1079.973	0.998	2.665	0.641	83.912	11.504	0.859	0.021	0.036	0.002	0.002	0.000	0.000
10/25/2025	1080.237	1.002	2.683	0.641	83.823	11.575	0.857	0.021	0.035	0.002	0.002	0.000	0.000
10/24/2025	1077.345	1.022	2.714	0.640	83.996	11.424	0.793	0.018	0.030	0.001	0.002	0.000	0.000
10/23/2025	1068.955	0.963	2.418	0.631	85.897	9.928	0.723	0.021	0.040	0.004	0.004	0.001	0.001
10/22/2025	1066.292	0.939	2.334	0.628	86.438	9.556	0.660	0.021	0.039	0.005	0.005	0.001	0.001
10/21/2025	1063.025	0.912	2.301	0.625	86.997	9.081	0.626	0.023	0.044	0.006	0.007	0.002	0.002
10/20/2025	1063.183	0.895	2.389	0.626	86.806	9.200	0.630	0.022	0.043	0.006	0.006	0.002	0.002
10/19/2025	1065.962	0.869	2.470	0.628	86.415	9.443	0.712	0.025	0.050	0.006	0.007	0.001	0.001
10/18/2025	1067.934	0.918	2.428	0.629	86.093	9.804	0.670	0.024	0.048	0.006	0.006	0.001	0.001
10/17/2025	1071.823	0.995	2.660	0.636	84.777	10.876	0.628	0.020	0.037	0.003	0.003	0.000	0.000
10/16/2025	1064.844	1.004	2.394	0.628	86.209	9.785	0.541	0.019	0.036	0.005	0.005	0.001	0.001
10/15/2025	1069.029	1.052	2.168	0.630	86.276	9.731	0.676	0.030	0.051	0.007	0.007	0.002	0.002
10/14/2025	1072.145	1.053	2.491	0.635	85.118	10.537	0.724	0.023	0.043	0.004	0.005	0.001	0.001
10/13/2025	1063.475	0.993	2.218	0.626	86.906	9.202	0.603	0.022	0.044	0.005	0.005	0.001	0.001
10/12/2025	1064.891	0.964	2.369	0.628	86.447	9.516	0.632	0.021	0.040	0.004	0.005	0.001	0.001
10/11/2025	1059.148	0.869	2.435	0.623	87.176	8.900	0.554	0.019	0.037	0.004	0.004	0.001	0.001
10/10/2025	1064.591	0.956	2.484	0.629	86.274	9.549	0.659	0.022	0.044	0.004	0.005	0.001	0.001
10/09/2025	1065.220	1.063	2.040	0.626	86.937	9.268	0.612	0.023	0.044	0.005	0.006	0.001	0.001
10/08/2025	1067.422	1.068	2.044	0.627	86.677	9.479	0.650	0.024	0.046	0.005	0.006	0.001	0.001
10/07/2025	1080.174	1.069	2.522	0.641	84.061	11.445	0.824	0.024	0.046	0.004	0.004	0.001	0.001
10/06/2025	1090.032	1.091	2.877	0.651	82.018	12.985	0.950	0.025	0.046	0.003	0.003	0.000	0.000
10/05/2025	1081.943	1.049	2.698	0.643	83.414	11.977	0.794	0.021	0.040	0.003	0.004	0.000	0.000
10/04/2025	1074.401	1.042	2.485	0.636	84.825	10.873	0.706	0.020	0.040	0.004	0.004	0.001	0.001
10/03/2025	1079.702	1.061	2.590	0.641	83.874	11.669	0.743	0.020	0.037	0.003	0.003	0.000	0.000
10/02/2025	1083.835	1.090	2.739	0.646	83.039	12.215	0.845	0.022	0.042	0.003	0.004	0.000	0.000
10/01/2025	1084.555	1.104	2.650	0.645	83.177	12.103	0.884	0.025	0.047	0.004	0.004	0.001	0.001
09/30/2025	1080.523	1.044	2.590	0.641	83.938	11.499	0.850	0.024	0.047	0.003	0.004	0.000	0.000
09/29/2025	1080.379	1.024	2.804	0.643	83.418	11.891	0.803	0.019	0.035	0.002	0.003	0.000	0.000
09/28/2025	1077.291	1.044	2.761	0.641	83.836	11.535	0.765	0.019	0.035	0.002	0.003	0.000	0.000
09/27/2025	1068.430	0.991	2.513	0.632	85.595	10.178	0.663	0.018	0.033	0.003	0.004	0.001	0.001
09/26/2025	1072.145	1.027	2.529	0.635	85.037	10.645	0.697	0.020	0.037	0.003	0.004	0.001	0.001
09/25/2025	1079.911	1.085	2.591	0.641	83.858	11.608	0.778	0.024	0.046	0.004	0.005	0.001	0.001
09/24/2025	1081.095	1.052	2.537	0.641	83.966	11.527	0.835	0.025	0.048	0.004	0.005	0.001	0.001
09/23/2025	1072.335	1.052	2.295	0.633	85.520	10.360	0.695	0.022	0.044	0.004	0.005	0.001	0.001
09/22/2025	1071.143	1.079	2.091	0.630	86.050	10.044	0.661	0.022	0.042	0.004	0.005	0.001	0.001
09/21/2025	1070.514	1.047	2.156	0.630	86.055	10.011	0.653	0.022	0.043	0.005	0.005	0.001	0.001
09/20/2025	1072.204	1.017	2.175	0.631	85.909	10.121	0.699	0.023	0.044	0.005	0.005	0.001	0.001
09/19/2025	1072.430	1.145	2.103	0.633	85.738	10.253	0.679	0.024	0.046	0.005	0.006	0.001	0.001
09/18/2025	1073.160	1.181	2.108	0.634	85.514	10.468	0.648	0.023	0.045	0.005	0.006	0.001	0.001
09/17/2025	1076.311	1.128	2.291	0.637	84.968	10.755	0.749	0.029	0.060	0.008	0.009	0.002	0.002
09/16/2025	1075.789	1.075	2.415	0.637	84.901	10.718	0.782	0.029	0.060	0.007	0.008	0.002	0.002
09/15/2025	1067.954	1.025	2.119	0.628	86.728	9.275	0.721	0.033	0.069	0.011	0.013	0.004	0.004
09/14/2025	1069.190	1.021	2.128	0.629	86.648	9.268	0.788	0.036	0.076	0.012	0.014	0.004	0.004
09/13/2025	1067.830	1.034	1.992	0.627	87.147	8.882	0.776	0.040	0.087	0.014	0.017	0.005	0.005
09/12/2025	1066.062	0.988	2.203	0.627	86.846	9.120	0.714	0.032	0.068	0.011	0.012	0.003	0.003
09/11/2025	1067.331	0.924	2.183	0.627	86.851	9.201	0.726	0.030	0.061	0.009	0.010	0.003	0.003
09/10/2025	1061.277	0.914	2.073	0.621	87.770	8.506	0.656	0.023	0.044	0.005	0.006	0.001	0.001
09/09/2025	1063.228	0.994	1.901	0.622	87.746	8.606	0.672	0.024	0.045	0.005	0.005	0.001	0.001
09/08/2025	1063.087	0.923	2.070	0.623	87.458	8.851	0.634	0.020	0.037	0.003	0.003	0.000	0.000
09/07/2025	1066.019	1.015	1.904	0.624	87.210	9.202	0.611	0.018	0.033	0.003	0.003	0.000	0.000
09/06/2025	1067.788	0.996	1.949	0.626	86.973	9.369	0.651	0.020	0.036	0.003	0.003	0.001	0.001
09/05/2025	1068.574	0.985	1.994	0.626	86.783	9.528	0.651	0.019	0.034	0.003	0.003	0.000	0.000
09/04/2025	1063.838	0.903	2.164	0.624	87.208	9.009	0.651	0.020	0.037	0.003	0.003	0.001	0.001
09/03/2025	1060.054	0.875	2.137	0.621	87.770	8.554	0.604	0.019	0.035	0.003	0.003	0.000	0.000
09/02/2025	1064.145	0.937	1.960	0.622	87.554	8.840	0.646	0.020	0.036	0.003	0.003	0.001	0.001
09/01/2025	1065.090	0.934	2.017	0.624	87.294	9.055	0.637	0.020	0.036	0.003	0.003	0.001	0.001
08/31/2025	1058.689	0.861	1.957	0.618	88.341	8.225	0.565	0.017	0.030	0.002	0.002	0.000	0.000
08/30/2025	1066.526	0.984	1.899	0.624	87.254	9.168	0.638	0.018	0.033	0.003	0.003	0.000	0.000
08/29/2025	1074.049	1.173	1.645	0.629	86.471	9.975	0.673	0.020	0.036	0.003	0.003	0.000	0.000
08/28/2025	1075.450	1.240	1.474	0.629	86.553	9.989	0.671	0.022	0.040	0.004	0.005	0.001	0.001
08/27/2025	1071.687	1.173	1.492	0.626	87.125	9.497	0.639	0.022	0.040	0.004	0.005	0.001	0.001
08/26/2025	1068.036	1.007	1.759	0.624	87.388	9.128	0.638	0.023	0.044	0.005	0.006	0.001	0.001
08/25/2025	1063.271	0.893	1.883	0.620	87.959	8.561	0.628	0.022	0.041	0.005	0.005	0.001	0.001
08/24/2025	1063.323	1.073	1.510	0.619	88.289	8.521	0.547	0.019	0.033	0.003	0.004	0.001	0.001