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Gas Quality / Gas Quality By Date

Date Requested: Feb 03 2026 4:36 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


02/03/2026	1099.845	2.070	0.430	0.647	84.003	12.658	0.734	0.034	0.060	0.005	0.004	0.000	0.000
02/02/2026	1107.676	2.122	0.467	0.653	83.247	12.945	1.040	0.055	0.103	0.009	0.009	0.002	0.002
02/01/2026	1103.489	2.107	0.483	0.651	83.889	12.211	1.121	0.058	0.107	0.009	0.009	0.003	0.003
01/31/2026	1100.361	2.114	0.521	0.649	84.471	11.319	1.364	0.068	0.121	0.009	0.009	0.002	0.002
01/30/2026	1107.893	2.118	0.518	0.654	83.356	12.557	1.253	0.062	0.113	0.009	0.009	0.002	0.002
01/29/2026	1114.058	2.119	0.522	0.658	82.729	13.038	1.352	0.073	0.140	0.011	0.011	0.003	0.003
01/28/2026	1116.126	2.197	0.558	0.661	82.519	12.861	1.569	0.089	0.173	0.013	0.013	0.003	0.003
01/27/2026	1105.983	2.159	0.525	0.654	83.467	12.431	1.213	0.063	0.118	0.010	0.009	0.002	0.002
01/26/2026	1100.536	2.109	0.517	0.649	84.127	11.978	1.099	0.054	0.099	0.008	0.007	0.002	0.002
01/25/2026	1103.454	2.097	0.492	0.651	83.769	12.455	1.005	0.055	0.105	0.009	0.009	0.002	0.002
01/24/2026	1100.674	2.096	0.475	0.649	84.095	12.216	0.944	0.052	0.099	0.009	0.009	0.002	0.002
01/23/2026	1101.907	2.105	0.519	0.650	84.045	11.990	1.152	0.059	0.108	0.009	0.009	0.002	0.002
01/22/2026	1103.856	2.122	0.504	0.651	83.635	12.524	1.050	0.053	0.096	0.007	0.007	0.002	0.002
01/21/2026	1102.995	2.069	0.495	0.650	83.767	12.548	0.979	0.046	0.082	0.006	0.005	0.001	0.001
01/20/2026	1103.529	2.123	0.501	0.651	83.605	12.620	0.995	0.049	0.089	0.007	0.007	0.001	0.001
01/19/2026	1104.018	2.149	0.498	0.652	83.460	12.761	0.984	0.047	0.084	0.007	0.006	0.001	0.001
01/18/2026	1104.561	2.215	0.493	0.653	83.022	13.323	0.835	0.039	0.066	0.004	0.004	0.000	0.000
01/17/2026	1101.150	2.166	0.496	0.650	83.542	12.864	0.835	0.035	0.057	0.003	0.002	0.000	0.000
01/16/2026	1094.878	2.024	0.501	0.644	84.491	12.203	0.717	0.025	0.037	0.001	0.001	0.000	0.000
01/15/2026	1104.237	2.192	0.491	0.653	83.005	13.460	0.761	0.033	0.054	0.003	0.002	0.000	0.000
01/14/2026	1102.447	2.144	0.481	0.651	83.569	12.812	0.859	0.043	0.076	0.006	0.006	0.002	0.002
01/13/2026	1103.179	2.148	0.516	0.651	83.363	12.986	0.862	0.040	0.070	0.005	0.005	0.001	0.001
01/12/2026	1102.350	2.110	0.481	0.650	83.545	12.974	0.770	0.038	0.068	0.006	0.006	0.002	0.002
01/11/2026	1105.631	2.159	0.503	0.653	83.115	13.182	0.908	0.043	0.076	0.006	0.006	0.001	0.001
01/10/2026	1105.528	2.165	0.517	0.653	82.974	13.387	0.842	0.038	0.066	0.004	0.004	0.001	0.001
01/09/2026	1105.155	2.176	0.509	0.653	82.934	13.476	0.810	0.035	0.056	0.002	0.002	0.000	0.000
01/08/2026	1103.850	2.178	0.473	0.652	83.153	13.331	0.765	0.035	0.059	0.003	0.003	0.000	0.000
01/07/2026	1099.217	2.168	0.480	0.649	84.035	12.220	0.960	0.045	0.078	0.006	0.006	0.001	0.001
01/06/2026	1103.788	2.217	0.475	0.652	83.486	12.611	1.044	0.054	0.097	0.008	0.007	0.001	0.001
01/05/2026	1107.120	2.222	0.475	0.655	82.949	13.219	0.979	0.051	0.091	0.007	0.006	0.001	0.001
01/04/2026	1107.845	2.205	0.489	0.655	82.683	13.624	0.881	0.041	0.069	0.004	0.003	0.000	0.000
01/03/2026	1105.850	2.165	0.503	0.653	83.252	12.872	1.055	0.051	0.089	0.006	0.005	0.001	0.001
01/02/2026	1097.292	2.095	0.501	0.647	84.563	11.607	1.076	0.052	0.091	0.006	0.006	0.001	0.001
01/01/2026	1094.341	2.066	0.509	0.644	85.144	10.922	1.183	0.057	0.101	0.008	0.007	0.002	0.002
12/31/2025	1100.260	2.100	0.484	0.648	84.030	12.313	0.932	0.045	0.080	0.006	0.006	0.001	0.001
12/30/2025	1100.478	2.107	0.498	0.649	84.153	11.987	1.097	0.053	0.092	0.006	0.006	0.001	0.001
12/29/2025	1097.051	2.067	0.500	0.646	84.498	11.846	0.951	0.045	0.078	0.006	0.006	0.001	0.001
12/28/2025	1094.764	1.998	0.466	0.643	85.108	11.289	0.981	0.049	0.089	0.009	0.009	0.001	0.001
12/27/2025	1095.927	2.118	0.480	0.646	84.833	11.265	1.123	0.057	0.102	0.009	0.009	0.002	0.002
12/26/2025	1092.280	2.060	0.464	0.643	85.312	11.004	1.002	0.050	0.089	0.008	0.008	0.001	0.001
12/25/2025	1097.407	2.068	0.496	0.646	84.470	11.848	0.990	0.044	0.074	0.005	0.004	0.000	0.000
12/24/2025	1103.405	2.095	0.479	0.650	83.602	12.774	0.923	0.043	0.074	0.005	0.004	0.000	0.000
12/23/2025	1104.174	2.049	0.494	0.650	83.529	12.907	0.906	0.040	0.068	0.004	0.003	0.000	0.000
12/22/2025	1094.067	2.000	0.485	0.643	85.255	11.013	1.089	0.052	0.090	0.007	0.007	0.001	0.001
12/21/2025	1099.881	2.108	0.472	0.648	84.034	12.349	0.914	0.041	0.069	0.006	0.005	0.001	0.001
12/20/2025	1094.897	2.117	0.497	0.645	84.813	11.356	1.064	0.050	0.088	0.007	0.006	0.001	0.001
12/19/2025	1092.360	1.924	0.506	0.641	85.803	10.336	1.253	0.059	0.103	0.007	0.006	0.001	0.001
12/18/2025	1096.019	2.032	0.490	0.645	84.707	11.685	0.968	0.042	0.069	0.004	0.003	0.000	0.000
12/17/2025	1096.733	2.003	0.474	0.645	84.651	11.852	0.903	0.040	0.066	0.005	0.004	0.000	0.000
12/16/2025	1093.478	2.061	0.482	0.643	84.829	11.693	0.833	0.036	0.058	0.004	0.004	0.000	0.000
12/15/2025	1093.583	2.061	0.492	0.644	85.333	10.700	1.244	0.057	0.096	0.007	0.007	0.001	0.001
12/14/2025	1096.193	2.114	0.465	0.646	85.058	10.895	1.246	0.067	0.123	0.013	0.012	0.003	0.003
12/13/2025	1095.429	2.008	0.484	0.644	84.995	11.336	1.021	0.049	0.088	0.007	0.007	0.002	0.002
12/12/2025	1092.344	1.977	0.469	0.641	85.073	11.655	0.737	0.030	0.049	0.003	0.003	0.001	0.001
12/11/2025	1094.752	1.977	0.458	0.643	84.687	12.170	0.614	0.030	0.053	0.005	0.004	0.001	0.001
12/10/2025	1035.527	1.018	0.526	0.590	94.476	3.329	0.516	0.036	0.066	0.010	0.010	0.006	0.006
12/09/2025	1049.113	0.923	1.690	0.610	90.413	6.106	0.731	0.040	0.076	0.009	0.009	0.002	0.002
12/08/2025	1024.016	0.445	2.277	0.592	92.913	3.949	0.346	0.020	0.035	0.006	0.006	0.002	0.002
12/07/2025	1006.225	0.184	2.540	0.579	94.947	2.150	0.143	0.010	0.016	0.003	0.003	0.001	0.001
12/06/2025	1006.648	0.190	2.640	0.581	94.656	2.329	0.147	0.010	0.018	0.004	0.004	0.001	0.001
12/05/2025	1006.165	0.189	2.726	0.582	94.592	2.253	0.192	0.013	0.023	0.005	0.005	0.002	0.002
12/04/2025	1008.279	0.217	2.595	0.582	94.541	2.420	0.182	0.012	0.021	0.004	0.004	0.002	0.002
12/03/2025	1015.481	0.317	2.416	0.586	93.896	3.050	0.262	0.016	0.029	0.005	0.006	0.002	0.002
12/02/2025	1028.628	0.519	2.147	0.595	92.566	4.259	0.417	0.024	0.044	0.008	0.008	0.004	0.004
12/01/2025	1020.472	0.353	2.235	0.588	93.558	3.524	0.289	0.012	0.021	0.003	0.003	0.001	0.001
11/30/2025	1018.476	0.288	2.390	0.587	93.682	3.281	0.289	0.019	0.034	0.006	0.007	0.002	0.002
11/29/2025	1025.077	0.370	2.473	0.594	92.547	4.161	0.361	0.024	0.043	0.008	0.008	0.002	0.002
11/28/2025	1013.509	0.181	2.560	0.584	94.119	2.839	0.236	0.017	0.031	0.006	0.007	0.002	0.002
11/27/2025	1016.042	0.292	2.434	0.586	93.911	2.996	0.287	0.022	0.040	0.007	0.008	0.002	0.002
11/26/2025	1095.667	2.029	0.493	0.645	85.284	10.712	1.241	0.072	0.140	0.013	0.013	0.001	0.001
11/25/2025	1100.395	2.046	0.520	0.648	84.953	10.726	1.417	0.092	0.199	0.021	0.022	0.002	0.002
11/24/2025	1094.174	2.051	0.521	0.644	85.344	10.596	1.268	0.068	0.127	0.011	0.011	0.001	0.001
11/23/2025	1090.157	2.047	0.524	0.642	85.361	10.967	0.986	0.042	0.067	0.003	0.002	0.000	0.000
11/22/2025	1095.424	2.163	0.506	0.647	84.988	10.839	1.269	0.072	0.138	0.012	0.011	0.001	0.001
11/21/2025	1092.946	2.073	0.523	0.644	85.275	10.761	1.192	0.059	0.103	0.007	0.006	0.000	0.000
11/20/2025	1094.653	2.009	0.495	0.644	85.469	10.551	1.222	0.073	0.148	0.015	0.015	0.001	0.001
11/19/2025	1057.528	1.238	1.369	0.617	89.435	7.002	0.802	0.046	0.086	0.009	0.009	0.001	0.001
11/18/2025	1018.389	0.300	2.355	0.587	93.736	3.259	0.281	0.018	0.033	0.006	0.007	0.002	0.002
11/17/2025	1029.625	0.449	2.125	0.594	92.609	4.339	0.393	0.024	0.042	0.008	0.008	0.002	0.002
11/16/2025	1022.757	0.356	2.257	0.590	93.284	3.729	0.305	0.019	0.033	0.006	0.006	0.002	0.002
11/15/2025	1009.390	0.137	2.314	0.578	95.107	2.299	0.123	0.006	0.010	0.002	0.002	0.000	0.000
11/14/2025	1008.860	0.124	2.344	0.578	95.140	2.253	0.118	0.006	0.011	0.002	0.002	0.000	0.000
11/13/2025	1051.536	1.102	1.597	0.613	89.995	6.333	0.835	0.045	0.079	0.006	0.006	0.001	0.001
11/12/2025	1100.594	2.117	0.526	0.649	84.645	10.932	1.536	0.081	0.145	0.009	0.008	0.001	0.001
11/11/2025	1106.635	2.048	0.412	0.651	84.564	11.050	1.577	0.106	0.197	0.020	0.019	0.003	0.003
11/10/2025	1096.615	2.010	0.470	0.645	85.238	10.865	1.149	0.074	0.150	0.018	0.019	0.003	0.003
11/09/2025	1095.231	2.072	0.489	0.645	84.590	11.872	0.876	0.036	0.059	0.003	0.003	0.000	0.000
11/08/2025	1094.897	2.095	0.481	0.645	84.685	11.680	0.954	0.038	0.060	0.003	0.003	0.000	0.000
11/07/2025	1096.224	2.169	0.571	0.648	84.532	11.289	1.307	0.050	0.077	0.003	0.003	0.000	0.000
11/06/2025	1102.066	2.243	0.557	0.653	83.875	11.690	1.458	0.065	0.103	0.005	0.004	0.000	0.000
11/05/2025	1101.093	2.108	0.524	0.650	83.821	12.412	1.032	0.039	0.060	0.002	0.002	0.000	0.000
11/04/2025	1108.081	2.249	0.555	0.657	83.127	12.408	1.467	0.070	0.114	0.006	0.004	0.000	0.000
11/03/2025	1096.748	2.176	0.568	0.648	84.504	11.277	1.328	0.055	0.085	0.004	0.003	0.000	0.000
11/02/2025	1100.903	2.134	0.540	0.650	83.927	12.106	1.165	0.048	0.074	0.003	0.002	0.000	0.000