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Gas Quality / Gas Quality By Date

Date Requested: May 21 2026 5:43 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	1017.216	0.000	2.543	0.584	93.828	3.527	0.089	0.003	0.007	0.001	0.001	0.000	0.000
05/20/2026	1023.234	0.000	2.492	0.587	93.175	4.216	0.107	0.003	0.006	0.001	0.001	0.000	0.000
05/19/2026	1023.888	0.000	2.505	0.587	93.034	4.364	0.092	0.002	0.003	0.000	0.000	0.000	0.000
05/18/2026	1026.768	0.000	2.541	0.590	92.589	4.759	0.104	0.002	0.004	0.000	0.000	0.000	0.000
05/17/2026	1026.171	0.000	2.532	0.589	92.688	4.667	0.107	0.002	0.004	0.000	0.000	0.000	0.000
05/16/2026	1032.096	0.000	2.517	0.593	92.014	5.296	0.166	0.003	0.005	0.000	0.000	0.000	0.000
05/15/2026	1040.421	0.000	2.522	0.598	91.081	6.074	0.300	0.008	0.012	0.001	0.001	0.000	0.000
05/14/2026	1045.174	0.000	2.436	0.600	90.779	6.351	0.404	0.011	0.016	0.001	0.001	0.000	0.000
05/13/2026	1118.426	0.000	2.158	0.644	84.072	11.260	2.341	0.072	0.092	0.003	0.002	0.000	0.000
05/12/2026	1147.589	0.000	2.224	0.663	81.630	12.300	3.488	0.147	0.200	0.007	0.004	0.000	0.000
05/11/2026	1192.197	0.000	2.226	0.692	78.637	13.091	5.054	0.358	0.592	0.026	0.015	0.000	0.000
05/10/2026	1192.019	0.000	2.210	0.692	78.536	13.286	5.059	0.337	0.535	0.023	0.013	0.001	0.001
05/09/2026	1168.328	0.000	2.236	0.677	80.285	12.554	4.258	0.253	0.384	0.018	0.011	0.001	0.001
05/08/2026	1183.284	0.000	2.174	0.686	79.330	12.962	4.633	0.317	0.536	0.029	0.017	0.001	0.001
05/07/2026	1155.371	0.002	2.019	0.666	81.956	11.636	3.735	0.229	0.371	0.023	0.017	0.005	0.005
05/06/2026	1170.221	0.000	2.084	0.676	80.538	12.442	4.163	0.265	0.452	0.031	0.021	0.002	0.002
05/05/2026	1175.315	0.000	1.671	0.675	81.602	11.681	3.825	0.320	0.674	0.096	0.093	0.019	0.019
05/04/2026	1264.100	0.004	1.937	0.735	76.395	12.402	5.964	0.722	1.743	0.334	0.341	0.079	0.079
05/03/2026	992.257	0.057	3.908	0.583	93.844	2.045	0.120	0.005	0.010	0.002	0.002	0.003	0.003
05/02/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
05/01/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/30/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/29/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/28/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/27/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/26/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/25/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/24/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/23/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/22/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/21/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/20/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/19/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/18/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/17/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/16/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/15/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/14/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/13/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/12/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/11/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/10/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/09/2026	1181.010	0.000	2.010	0.683	79.727	12.860	4.645	0.286	0.435	0.022	0.014	0.000	0.000
04/08/2026	1188.954	0.000	1.963	0.687	79.534	12.643	4.824	0.361	0.626	0.031	0.016	0.001	0.001
04/07/2026	1071.077	0.000	2.272	0.615	88.641	7.869	1.111	0.039	0.059	0.004	0.003	0.001	0.001
04/06/2026	1003.948	0.000	2.556	0.575	95.453	1.957	0.028	0.001	0.004	0.000	0.000	0.000	0.000
04/05/2026	1004.591	0.000	2.539	0.575	95.423	1.994	0.034	0.002	0.006	0.001	0.001	0.000	0.000
04/04/2026	1005.590	0.000	2.538	0.576	95.282	2.145	0.028	0.002	0.004	0.000	0.000	0.000	0.000
04/03/2026	1007.580	0.000	2.588	0.578	94.920	2.445	0.037	0.002	0.006	0.001	0.001	0.000	0.000
04/02/2026	1007.676	0.000	2.511	0.577	95.082	2.366	0.033	0.002	0.005	0.001	0.001	0.000	0.000
04/01/2026	1006.042	0.000	2.572	0.577	95.143	2.250	0.029	0.001	0.004	0.000	0.000	0.000	0.000
03/31/2026	1007.296	0.000	2.593	0.578	94.930	2.440	0.032	0.001	0.003	0.000	0.000	0.000	0.000
03/30/2026	1004.024	0.000	2.691	0.577	95.133	2.138	0.030	0.002	0.004	0.001	0.001	0.000	0.000
03/29/2026	1004.025	0.000	2.615	0.576	95.307	2.042	0.030	0.001	0.004	0.000	0.000	0.000	0.000
03/28/2026	1001.878	0.000	2.639	0.575	95.532	1.793	0.029	0.002	0.004	0.001	0.000	0.000	0.000
03/27/2026	1009.289	0.000	2.550	0.579	94.794	2.603	0.042	0.002	0.006	0.001	0.001	0.000	0.000
03/26/2026	1022.128	0.000	2.457	0.586	93.448	3.947	0.125	0.005	0.012	0.002	0.002	0.001	0.001
03/25/2026	1013.915	0.000	2.547	0.582	94.260	3.096	0.072	0.005	0.013	0.003	0.003	0.001	0.001
03/24/2026	1002.961	0.000	2.642	0.576	95.380	1.944	0.027	0.001	0.004	0.000	0.000	0.000	0.000
03/23/2026	1008.208	0.000	2.578	0.578	94.848	2.537	0.031	0.001	0.004	0.000	0.000	0.000	0.000
03/22/2026	1010.791	0.000	2.593	0.580	94.497	2.858	0.043	0.002	0.005	0.001	0.001	0.000	0.000
03/21/2026	1013.668	0.000	2.499	0.581	94.342	3.105	0.045	0.002	0.006	0.001	0.001	0.000	0.000
03/20/2026	1009.803	0.000	2.569	0.579	94.665	2.726	0.034	0.002	0.004	0.000	0.000	0.000	0.000
03/19/2026	1008.365	0.000	2.579	0.578	94.837	2.539	0.036	0.002	0.005	0.001	0.001	0.000	0.000
03/18/2026	1009.109	0.000	2.548	0.578	94.871	2.495	0.061	0.005	0.013	0.002	0.002	0.001	0.001
03/17/2026	1020.192	0.000	2.477	0.585	93.566	3.877	0.073	0.002	0.004	0.000	0.000	0.000	0.000
03/16/2026	1009.648	0.000	2.598	0.579	94.693	2.620	0.064	0.006	0.014	0.003	0.002	0.001	0.001
03/15/2026	1012.342	0.000	2.592	0.581	94.369	2.937	0.073	0.006	0.015	0.003	0.003	0.001	0.001
03/14/2026	1015.591	0.000	2.610	0.583	93.926	3.346	0.088	0.007	0.016	0.003	0.003	0.001	0.001
03/13/2026	1004.974	0.000	2.652	0.577	95.106	2.200	0.033	0.002	0.005	0.001	0.000	0.000	0.000
03/12/2026	1007.002	0.000	2.642	0.578	94.867	2.446	0.038	0.002	0.005	0.000	0.000	0.000	0.000
03/11/2026	1005.237	0.000	2.654	0.577	95.070	2.233	0.035	0.002	0.005	0.001	0.001	0.000	0.000
03/10/2026	1014.553	0.000	2.519	0.582	94.183	3.239	0.050	0.002	0.005	0.001	0.001	0.000	0.000
03/09/2026	1016.225	0.000	2.567	0.583	94.025	3.208	0.166	0.009	0.018	0.003	0.003	0.001	0.001
03/08/2026	1012.286	0.000	2.588	0.581	94.329	3.018	0.053	0.003	0.007	0.001	0.001	0.000	0.000
03/07/2026	1008.261	0.000	2.540	0.578	94.951	2.456	0.042	0.003	0.006	0.001	0.001	0.000	0.000
03/06/2026	1011.614	0.000	2.417	0.579	94.807	2.718	0.047	0.003	0.006	0.001	0.001	0.000	0.000
03/05/2026	1004.367	0.000	2.451	0.574	95.633	1.888	0.022	0.001	0.004	0.000	0.000	0.000	0.000
03/04/2026	1013.254	0.000	2.458	0.580	94.560	2.883	0.070	0.006	0.015	0.003	0.003	0.001	0.001
03/03/2026	1007.747	0.000	2.454	0.577	95.212	2.287	0.039	0.002	0.005	0.001	0.001	0.000	0.000
03/02/2026	1013.797	0.000	2.433	0.580	94.480	3.028	0.053	0.002	0.004	0.000	0.000	0.000	0.000
03/01/2026	1014.354	0.000	2.417	0.580	94.447	3.075	0.054	0.002	0.004	0.000	0.000	0.000	0.000
02/28/2026	1015.036	0.000	2.465	0.581	94.246	3.225	0.056	0.002	0.004	0.000	0.000	0.000	0.000
02/27/2026	1023.190	0.000	2.416	0.586	93.319	4.179	0.080	0.001	0.003	0.000	0.000	0.000	0.000
02/26/2026	1020.133	0.000	2.403	0.584	93.736	3.789	0.067	0.001	0.003	0.000	0.000	0.000	0.000
02/25/2026	1017.260	0.000	2.439	0.582	94.012	3.489	0.056	0.001	0.003	0.000	0.000	0.000	0.000
02/24/2026	1016.964	0.000	2.448	0.582	94.031	3.460	0.056	0.001	0.003	0.000	0.000	0.000	0.000
02/23/2026	1018.025	0.000	2.481	0.583	93.826	3.624	0.064	0.001	0.003	0.000	0.000	0.000	0.000
02/22/2026	1018.334	0.000	2.399	0.583	93.972	3.563	0.061	0.001	0.003	0.000	0.000	0.000	0.000
02/21/2026	1016.783	0.000	2.401	0.582	94.161	3.381	0.054	0.001	0.002	0.000	0.000	0.000	0.000
02/20/2026	1019.495	0.000	2.425	0.584	93.764	3.742	0.065	0.001	0.002	0.000	0.000	0.000	0.000
02/19/2026	1018.414	0.000	2.394	0.583	93.965	3.584	0.055	0.001	0.002	0.000	0.000	0.000	0.000
02/18/2026	1015.071	0.000	2.462	0.581	94.245	3.236	0.052	0.001	0.004	0.001	0.000	0.000	0.000
02/17/2026	1009.261	0.000	2.483	0.578	94.936	2.539	0.035	0.002	0.004	0.000	0.000	0.000	0.000