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Gas Quality / Gas Quality By Date

Date Requested: Apr 14 2026 11:46 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


04/14/2026	1026.814	0.438	2.286	0.594	92.641	4.128	0.422	0.023	0.048	0.006	0.006	0.001	0.001
04/13/2026	1025.143	0.432	2.246	0.592	92.838	4.085	0.336	0.017	0.035	0.005	0.005	0.001	0.001
04/12/2026	1004.971	0.075	2.561	0.577	95.235	1.999	0.117	0.004	0.007	0.001	0.000	0.000	0.000
04/11/2026	1004.115	0.068	2.675	0.578	95.088	2.047	0.110	0.003	0.007	0.001	0.000	0.000	0.000
04/10/2026	1002.165	0.046	2.555	0.575	95.639	1.666	0.085	0.002	0.005	0.001	0.000	0.000	0.000
04/09/2026	1002.024	0.044	2.329	0.572	96.151	1.424	0.044	0.002	0.005	0.001	0.000	0.000	0.000
04/08/2026	1003.762	0.069	2.638	0.577	95.220	1.953	0.107	0.004	0.007	0.001	0.000	0.000	0.000
04/07/2026	1030.468	0.546	1.896	0.594	92.624	4.581	0.311	0.012	0.023	0.003	0.003	0.001	0.001
04/06/2026	1031.961	0.542	1.937	0.595	92.356	4.794	0.331	0.012	0.022	0.003	0.002	0.001	0.001
04/05/2026	1035.516	0.601	1.878	0.598	91.973	5.110	0.385	0.015	0.029	0.004	0.003	0.001	0.001
04/04/2026	1029.762	0.480	1.971	0.593	92.718	4.446	0.344	0.012	0.022	0.003	0.002	0.001	0.001
04/03/2026	1028.005	0.468	2.076	0.593	92.721	4.367	0.326	0.013	0.023	0.003	0.003	0.001	0.001
04/02/2026	1037.208	0.635	1.805	0.599	91.853	5.254	0.401	0.015	0.028	0.003	0.003	0.001	0.001
04/01/2026	1011.730	0.199	2.435	0.582	94.455	2.699	0.186	0.007	0.014	0.002	0.001	0.000	0.000
03/31/2026	1007.234	0.130	2.507	0.579	94.972	2.229	0.148	0.004	0.008	0.001	0.000	0.000	0.000
03/30/2026	1003.099	0.093	2.624	0.577	95.253	1.936	0.082	0.003	0.007	0.001	0.000	0.000	0.000
03/29/2026	1006.269	0.121	2.615	0.579	94.834	2.306	0.105	0.005	0.010	0.002	0.001	0.001	0.001
03/28/2026	1009.803	0.140	2.409	0.580	94.840	2.452	0.143	0.004	0.009	0.001	0.000	0.000	0.000
03/27/2026	1010.263	0.149	2.535	0.581	94.481	2.659	0.162	0.004	0.009	0.001	0.000	0.000	0.000
03/26/2026	1009.612	0.154	2.518	0.581	94.593	2.566	0.148	0.006	0.011	0.002	0.001	0.000	0.000
03/25/2026	1014.065	0.223	2.325	0.583	94.329	2.934	0.164	0.007	0.013	0.002	0.002	0.000	0.000
03/24/2026	1013.915	0.219	2.401	0.583	94.209	2.951	0.195	0.007	0.013	0.002	0.001	0.000	0.000
03/23/2026	1007.934	0.112	2.520	0.579	94.888	2.326	0.138	0.004	0.009	0.001	0.000	0.000	0.000
03/22/2026	1007.050	0.097	2.520	0.578	95.023	2.220	0.127	0.004	0.008	0.001	0.000	0.000	0.000
03/21/2026	1016.898	0.291	2.370	0.586	93.776	3.295	0.241	0.009	0.015	0.002	0.001	0.000	0.000
03/20/2026	1016.710	0.278	2.380	0.586	93.907	3.079	0.314	0.014	0.023	0.002	0.002	0.000	0.000
03/19/2026	1019.221	0.350	2.295	0.588	93.552	3.505	0.262	0.011	0.020	0.002	0.002	0.001	0.001
03/18/2026	1006.077	0.160	2.476	0.578	95.079	2.170	0.101	0.004	0.008	0.001	0.001	0.000	0.000
03/17/2026	1026.463	0.475	2.024	0.592	92.998	4.161	0.300	0.012	0.022	0.003	0.003	0.001	0.001
03/16/2026	1024.228	0.411	1.934	0.588	93.577	3.794	0.252	0.009	0.018	0.002	0.002	0.001	0.001
03/15/2026	1026.732	0.426	1.917	0.590	93.293	4.048	0.276	0.011	0.021	0.003	0.003	0.001	0.001
03/14/2026	1022.604	0.382	2.003	0.587	93.713	3.607	0.258	0.011	0.021	0.002	0.002	0.000	0.000
03/13/2026	1019.583	0.324	2.186	0.587	93.847	3.325	0.271	0.012	0.025	0.003	0.003	0.001	0.001
03/12/2026	1019.117	0.302	2.181	0.586	93.939	3.292	0.246	0.010	0.023	0.003	0.003	0.001	0.001
03/11/2026	1022.188	0.337	2.214	0.589	93.387	3.756	0.273	0.009	0.018	0.002	0.002	0.001	0.001
03/10/2026	1009.510	0.143	2.546	0.581	94.554	2.602	0.135	0.005	0.011	0.002	0.001	0.000	0.000
03/09/2026	1009.638	0.111	2.481	0.580	94.743	2.524	0.127	0.004	0.008	0.001	0.000	0.000	0.000
03/08/2026	1008.817	0.125	2.542	0.580	94.738	2.397	0.177	0.006	0.012	0.001	0.001	0.000	0.000
03/07/2026	1007.777	0.115	2.570	0.580	94.840	2.272	0.182	0.007	0.013	0.002	0.001	0.000	0.000
03/06/2026	1009.062	0.156	2.505	0.581	94.739	2.386	0.190	0.007	0.014	0.002	0.001	0.000	0.000
03/05/2026	1012.174	0.181	2.419	0.582	94.506	2.651	0.217	0.008	0.015	0.001	0.001	0.000	0.000
03/04/2026	1019.175	0.316	2.194	0.586	93.882	3.302	0.266	0.012	0.022	0.003	0.002	0.001	0.001
03/03/2026	1009.687	0.184	2.426	0.581	94.729	2.493	0.147	0.006	0.012	0.001	0.001	0.000	0.000
03/02/2026	1012.676	0.223	2.393	0.583	94.369	2.807	0.184	0.007	0.014	0.002	0.001	0.000	0.000
03/01/2026	1037.453	0.603	1.746	0.598	92.151	4.955	0.472	0.022	0.040	0.004	0.004	0.001	0.001
02/28/2026	1034.978	0.546	1.904	0.597	92.247	4.756	0.469	0.023	0.044	0.005	0.005	0.001	0.001
02/27/2026	1039.627	0.617	1.777	0.600	91.819	5.189	0.519	0.024	0.044	0.004	0.004	0.001	0.001
02/26/2026	1033.616	0.575	1.758	0.595	92.570	4.650	0.391	0.017	0.030	0.003	0.003	0.001	0.001
02/25/2026	1035.352	0.591	1.701	0.596	92.458	4.789	0.403	0.018	0.032	0.003	0.003	0.001	0.001
02/24/2026	1033.133	0.571	1.744	0.594	92.691	4.534	0.402	0.018	0.032	0.003	0.003	0.001	0.001
02/23/2026	1033.396	0.586	1.669	0.594	92.748	4.579	0.366	0.016	0.028	0.003	0.003	0.001	0.001
02/22/2026	1034.873	0.608	1.738	0.596	92.412	4.767	0.415	0.019	0.034	0.003	0.003	0.001	0.001
02/21/2026	1039.699	0.675	1.783	0.601	91.595	5.396	0.487	0.020	0.035	0.003	0.003	0.001	0.001
02/20/2026	1043.311	0.751	1.702	0.603	91.202	5.747	0.521	0.024	0.042	0.005	0.005	0.001	0.001
02/19/2026	1043.116	0.763	1.722	0.604	91.181	5.719	0.532	0.025	0.045	0.005	0.005	0.001	0.001
02/18/2026	1039.230	0.692	1.794	0.601	91.627	5.321	0.488	0.023	0.042	0.005	0.005	0.001	0.001
02/17/2026	1033.507	0.641	1.913	0.598	92.176	4.742	0.453	0.023	0.041	0.005	0.005	0.001	0.001
02/16/2026	1032.396	0.625	1.887	0.596	92.372	4.626	0.423	0.021	0.036	0.005	0.004	0.001	0.001
02/15/2026	1034.809	0.638	1.817	0.597	92.216	4.819	0.436	0.022	0.040	0.005	0.005	0.001	0.001
02/14/2026	1035.998	0.672	1.787	0.598	92.050	4.982	0.437	0.021	0.038	0.005	0.005	0.001	0.001
02/13/2026	1041.659	0.784	1.655	0.602	91.438	5.540	0.505	0.024	0.042	0.005	0.004	0.001	0.001
02/12/2026	1036.038	0.649	1.771	0.598	92.138	4.926	0.447	0.021	0.037	0.004	0.004	0.001	0.001
02/11/2026	1038.815	0.661	1.675	0.599	91.992	5.136	0.467	0.021	0.038	0.004	0.004	0.001	0.001
02/10/2026	1055.493	0.914	1.349	0.610	90.322	6.589	0.719	0.034	0.058	0.007	0.006	0.001	0.001
02/09/2026	1066.279	1.065	1.210	0.618	89.226	7.364	0.995	0.047	0.078	0.007	0.006	0.001	0.001
02/08/2026	1065.616	1.101	1.105	0.617	89.205	7.695	0.781	0.036	0.062	0.006	0.005	0.001	0.001
02/07/2026	1054.853	0.955	1.388	0.611	90.120	6.800	0.636	0.031	0.057	0.006	0.005	0.001	0.001
02/06/2026	1068.402	1.212	1.009	0.619	88.718	8.238	0.728	0.030	0.050	0.006	0.005	0.001	0.001
02/05/2026	1069.844	1.158	1.190	0.621	88.242	8.591	0.718	0.031	0.053	0.007	0.007	0.002	0.002
02/04/2026	1059.445	0.998	1.343	0.614	89.428	7.571	0.583	0.024	0.040	0.005	0.004	0.001	0.001
02/03/2026	1063.300	1.053	1.172	0.615	89.204	7.903	0.593	0.024	0.040	0.005	0.004	0.002	0.002
02/02/2026	1065.818	1.067	1.009	0.615	89.229	8.021	0.598	0.024	0.039	0.005	0.004	0.002	0.002
02/01/2026	1076.396	1.212	0.991	0.624	87.882	8.957	0.842	0.040	0.059	0.008	0.006	0.002	0.002
01/31/2026	1075.207	1.138	1.076	0.623	87.987	8.857	0.832	0.038	0.056	0.007	0.005	0.002	0.002
01/30/2026	1080.634	1.139	1.199	0.628	87.348	9.047	1.123	0.051	0.074	0.008	0.006	0.002	0.002
01/29/2026	1071.969	0.876	0.747	0.614	89.811	7.625	0.805	0.047	0.068	0.009	0.007	0.002	0.002
01/28/2026	1058.171	0.686	1.192	0.606	90.716	6.721	0.594	0.032	0.043	0.007	0.006	0.002	0.002
01/27/2026	1040.430	0.534	1.701	0.598	91.901	5.419	0.398	0.015	0.026	0.003	0.002	0.001	0.001
01/26/2026	1013.221	0.172	2.421	0.583	94.304	2.939	0.145	0.005	0.011	0.001	0.001	0.000	0.000
01/25/2026	1009.339	0.166	2.529	0.581	94.585	2.550	0.144	0.007	0.014	0.002	0.002	0.001	0.001
01/24/2026	1067.062	1.074	1.061	0.617	88.956	8.205	0.630	0.023	0.041	0.004	0.004	0.001	0.001
01/23/2026	1059.873	1.038	1.248	0.614	89.429	7.682	0.536	0.020	0.036	0.004	0.004	0.001	0.001
01/22/2026	1057.570	0.969	1.444	0.613	89.424	7.554	0.555	0.018	0.030	0.003	0.002	0.000	0.000
01/21/2026	1037.103	0.599	1.776	0.598	91.952	5.269	0.368	0.012	0.020	0.002	0.001	0.000	0.000
01/20/2026	1035.034	0.583	1.907	0.598	91.963	5.133	0.378	0.013	0.020	0.002	0.001	0.000	0.000
01/19/2026	1043.097	0.727	1.689	0.603	91.245	5.780	0.506	0.018	0.029	0.002	0.002	0.000	0.000
01/18/2026	1036.462	0.611	1.752	0.597	92.084	5.137	0.374	0.014	0.024	0.002	0.001	0.000	0.000
01/17/2026	1035.381	0.584	1.860	0.597	92.068	5.046	0.397	0.015	0.026	0.003	0.002	0.000	0.000
01/16/2026	1035.001	0.594	1.895	0.598	91.985	5.106	0.379	0.014	0.024	0.002	0.001	0.000	0.000
01/15/2026	1026.562	0.467	2.030	0.592	92.957	4.222	0.293	0.010	0.018	0.002	0.001	0.000	0.000
01/14/2026	1027.991	0.515	2.012	0.593	92.724	4.407	0.305	0.012	0.020	0.002	0.002	0.000	0.000
01/13/2026	1026.466	0.478	2.038	0.592	92.931	4.225	0.294	0.011	0.018	0.002	0.001	0.000	0.000
01/12/2026	1027.674	0.477	2.011	0.592	92.865	4.296	0.316	0.012	0.020	0.002	0.001	0.000	0.000
01/11/2026	1024.946	0.449	2.056	0.591	93.111	4.097	0.256	0.010	0.017	0.002	0.001	0.000	0.000