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Gas Quality / Gas Quality By Date

Date Requested: Jan 23 2026 6:01 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


01/23/2026	1027.219	0.411	2.120	0.592	92.964	4.172	0.274	0.012	0.022	0.004	0.004	0.008	0.008	0.000
01/22/2026	1027.219	0.411	2.120	0.592	92.964	4.172	0.274	0.012	0.022	0.004	0.004	0.008	0.008	0.000
01/21/2026	1027.835	0.427	2.070	0.592	92.982	4.170	0.289	0.013	0.024	0.004	0.004	0.008	0.008	0.000
01/20/2026	1027.418	0.437	2.034	0.592	93.058	4.159	0.257	0.011	0.020	0.003	0.003	0.009	0.009	0.000
01/19/2026	1025.092	0.373	2.188	0.591	93.156	3.965	0.262	0.011	0.021	0.003	0.003	0.009	0.009	0.000
01/18/2026	1020.268	0.322	2.251	0.588	93.692	3.476	0.208	0.009	0.017	0.002	0.003	0.009	0.009	0.000
01/17/2026	1037.756	0.640	1.807	0.599	91.856	5.299	0.327	0.014	0.026	0.004	0.004	0.009	0.009	0.003
01/16/2026	1027.286	0.462	1.986	0.592	93.129	4.113	0.254	0.011	0.020	0.003	0.003	0.009	0.009	0.000
01/15/2026	1034.240	0.572	1.740	0.595	92.597	4.736	0.290	0.014	0.025	0.004	0.004	0.009	0.009	0.000
01/14/2026	1052.890	0.697	1.950	0.611	89.639	7.133	0.484	0.022	0.043	0.006	0.007	0.009	0.009	0.000
01/13/2026	1041.194	0.657	1.701	0.601	91.665	5.547	0.352	0.017	0.032	0.005	0.005	0.009	0.009	0.000
01/12/2026	1039.688	0.651	1.559	0.598	92.183	5.200	0.331	0.016	0.031	0.005	0.005	0.009	0.009	0.000
01/11/2026	1047.063	0.733	1.587	0.604	91.058	6.134	0.404	0.019	0.036	0.006	0.006	0.009	0.009	0.000
01/10/2026	1041.995	0.683	1.532	0.600	91.905	5.442	0.360	0.017	0.033	0.005	0.005	0.009	0.009	0.000
01/09/2026	1037.907	0.636	1.639	0.597	92.269	5.034	0.335	0.017	0.034	0.006	0.006	0.009	0.009	0.006
01/08/2026	1036.367	0.582	1.812	0.597	92.194	4.998	0.338	0.016	0.031	0.005	0.005	0.009	0.009	0.000
01/07/2026	1044.056	0.688	1.721	0.603	91.242	5.863	0.399	0.019	0.037	0.006	0.006	0.009	0.009	0.000
01/06/2026	1033.669	0.570	1.987	0.597	92.137	4.914	0.323	0.014	0.027	0.004	0.004	0.009	0.009	0.000
01/05/2026	1036.220	0.652	1.741	0.598	92.201	5.008	0.324	0.015	0.029	0.005	0.005	0.009	0.009	0.000
01/04/2026	1027.988	0.495	2.178	0.595	92.567	4.408	0.290	0.013	0.024	0.004	0.003	0.009	0.009	0.000
01/03/2026	1038.230	0.613	1.910	0.600	91.684	5.349	0.369	0.017	0.031	0.005	0.005	0.009	0.009	0.000
01/02/2026	1036.081	0.585	1.911	0.598	92.011	5.063	0.353	0.017	0.032	0.005	0.005	0.009	0.009	0.000
01/01/2026	1032.279	0.499	2.040	0.596	92.356	4.717	0.319	0.015	0.028	0.004	0.004	0.009	0.009	0.000
12/31/2025	1028.053	0.434	2.152	0.593	92.753	4.310	0.287	0.013	0.025	0.004	0.004	0.009	0.009	0.000
12/30/2025	1031.203	0.473	2.117	0.596	92.381	4.638	0.324	0.015	0.027	0.004	0.004	0.009	0.009	0.000
12/29/2025	1037.913	0.635	1.877	0.600	91.761	5.273	0.374	0.018	0.033	0.005	0.005	0.009	0.009	0.000
12/28/2025	1040.967	0.672	1.850	0.602	91.385	5.604	0.405	0.019	0.036	0.005	0.005	0.009	0.009	0.000
12/27/2025	1042.396	0.725	1.752	0.603	91.319	5.700	0.411	0.020	0.040	0.006	0.007	0.009	0.009	0.000
12/26/2025	1041.719	0.697	1.797	0.603	91.359	5.656	0.403	0.020	0.038	0.006	0.006	0.009	0.009	0.000
12/25/2025	1041.320	0.711	1.747	0.602	91.472	5.598	0.385	0.019	0.037	0.006	0.006	0.009	0.009	0.000
12/24/2025	1037.792	0.618	1.960	0.600	91.620	5.353	0.368	0.018	0.035	0.005	0.005	0.009	0.009	0.000
12/23/2025	1036.958	0.619	1.827	0.599	92.036	5.077	0.352	0.019	0.038	0.006	0.007	0.009	0.009	0.000
12/22/2025	1035.340	0.587	2.025	0.599	91.852	5.092	0.366	0.017	0.033	0.005	0.005	0.009	0.009	0.000
12/21/2025	1031.240	0.515	2.185	0.597	92.125	4.773	0.334	0.015	0.027	0.004	0.004	0.009	0.009	0.000
12/20/2025	1034.608	0.573	1.960	0.598	92.101	4.949	0.346	0.016	0.029	0.004	0.004	0.009	0.009	0.000
12/19/2025	1046.349	0.777	1.734	0.606	90.752	6.204	0.443	0.021	0.038	0.006	0.006	0.009	0.009	0.000
12/18/2025	1047.563	0.750	1.852	0.608	90.451	6.355	0.491	0.024	0.045	0.006	0.007	0.009	0.009	0.000
12/17/2025	1033.645	0.533	2.221	0.599	91.749	5.048	0.369	0.018	0.034	0.005	0.005	0.009	0.009	0.000
12/16/2025	1038.284	0.610	1.979	0.601	91.548	5.397	0.384	0.018	0.035	0.005	0.005	0.009	0.009	0.000
12/15/2025	1039.740	0.668	1.819	0.601	91.595	5.460	0.373	0.019	0.037	0.006	0.006	0.009	0.009	0.000
12/14/2025	1034.984	0.583	1.994	0.598	91.966	5.025	0.354	0.017	0.032	0.005	0.005	0.009	0.009	0.000
12/13/2025	1031.346	0.536	2.117	0.597	92.269	4.650	0.345	0.018	0.036	0.005	0.005	0.009	0.009	0.000
12/12/2025	1031.220	0.544	2.150	0.597	92.197	4.674	0.354	0.018	0.035	0.005	0.005	0.009	0.009	0.000
12/11/2025	1034.653	0.601	2.037	0.599	91.922	4.964	0.384	0.020	0.040	0.006	0.007	0.008	0.008	0.000
12/10/2025	1028.342	0.484	2.219	0.595	92.551	4.304	0.361	0.018	0.034	0.005	0.005	0.009	0.009	0.000
12/09/2025	1029.316	0.491	2.160	0.595	92.555	4.350	0.363	0.018	0.036	0.005	0.005	0.009	0.009	0.000
12/08/2025	1025.174	0.442	2.239	0.593	92.916	4.054	0.273	0.015	0.031	0.005	0.006	0.009	0.009	0.000
12/07/2025	1026.057	0.437	2.204	0.593	92.908	4.090	0.286	0.015	0.031	0.005	0.005	0.009	0.009	0.000
12/06/2025	1024.619	0.458	2.245	0.593	92.925	4.034	0.268	0.014	0.028	0.004	0.005	0.009	0.009	0.000
12/05/2025	1031.647	0.589	2.016	0.597	92.304	4.690	0.326	0.016	0.031	0.005	0.005	0.009	0.009	0.000
12/04/2025	1020.390	0.363	2.363	0.590	93.394	3.561	0.251	0.013	0.027	0.005	0.005	0.008	0.008	0.000
12/03/2025	1015.419	0.285	2.472	0.586	93.910	3.066	0.206	0.011	0.024	0.004	0.005	0.008	0.008	0.000
12/02/2025	1013.941	0.333	2.481	0.586	93.957	2.982	0.190	0.010	0.021	0.003	0.004	0.009	0.009	0.000
12/01/2025	1016.391	0.378	2.395	0.588	93.777	3.165	0.221	0.012	0.025	0.004	0.004	0.009	0.009	0.000
11/30/2025	1014.180	0.328	2.496	0.586	93.913	3.003	0.201	0.011	0.022	0.003	0.004	0.009	0.009	0.000
11/29/2025	1027.677	0.502	2.240	0.595	92.474	4.399	0.308	0.015	0.029	0.004	0.004	0.009	0.009	0.005
11/28/2025	1074.105	0.989	2.543	0.636	84.895	10.729	0.699	0.020	0.037	0.002	0.003	0.010	0.010	0.064
11/27/2025	1029.657	0.566	2.132	0.596	92.326	4.587	0.315	0.015	0.029	0.004	0.004	0.009	0.009	0.003
11/26/2025	1031.636	0.598	2.004	0.597	92.356	4.619	0.335	0.019	0.038	0.006	0.007	0.009	0.009	0.000
11/25/2025	1035.726	0.631	1.973	0.600	91.902	5.000	0.389	0.023	0.047	0.008	0.008	0.009	0.009	0.000
11/24/2025	1031.775	0.568	2.046	0.597	92.307	4.655	0.335	0.018	0.039	0.006	0.007	0.009	0.009	0.000
11/23/2025	1026.483	0.436	2.235	0.593	92.803	4.151	0.296	0.016	0.033	0.005	0.006	0.009	0.009	0.000
11/22/2025	1028.008	0.496	2.140	0.594	92.668	4.339	0.281	0.015	0.031	0.005	0.005	0.009	0.009	0.000
11/21/2025	1029.610	0.540	2.082	0.595	92.499	4.518	0.286	0.015	0.032	0.005	0.005	0.009	0.009	0.000
11/20/2025	1028.122	0.523	2.174	0.595	92.505	4.445	0.276	0.015	0.032	0.005	0.005	0.009	0.009	0.000
11/19/2025	1044.107	0.819	1.693	0.605	91.071	5.890	0.415	0.025	0.053	0.008	0.008	0.009	0.009	0.000
11/18/2025	1046.014	0.716	2.237	0.610	89.729	6.792	0.429	0.018	0.038	0.005	0.005	0.009	0.009	0.012
11/17/2025	1086.208	1.078	2.855	0.648	82.516	12.523	0.843	0.024	0.047	0.003	0.003	0.010	0.010	0.088
11/16/2025	1064.388	0.975	2.083	0.624	87.286	8.927	0.600	0.024	0.050	0.006	0.006	0.009	0.009	0.025
11/15/2025	1018.591	0.331	2.415	0.588	93.570	3.390	0.222	0.014	0.030	0.005	0.005	0.009	0.009	0.000
11/14/2025	1021.699	0.383	2.220	0.589	93.504	3.593	0.224	0.015	0.032	0.006	0.006	0.009	0.009	0.000
11/13/2025	1020.760	0.357	2.363	0.590	93.402	3.538	0.254	0.017	0.037	0.007	0.008	0.008	0.008	0.000
11/12/2025	1023.417	0.422	2.201	0.591	93.336	3.665	0.280	0.019	0.042	0.007	0.008	0.009	0.009	0.000
11/11/2025	1023.449	0.406	2.166	0.590	93.434	3.633	0.269	0.019	0.041	0.007	0.007	0.009	0.009	0.000
11/10/2025	1030.092	0.532	1.984	0.594	92.766	4.296	0.319	0.021	0.047	0.008	0.008	0.009	0.009	0.000
11/09/2025	1043.423	0.790	1.537	0.602	91.623	5.512	0.405	0.029	0.064	0.011	0.012	0.009	0.009	0.000
11/08/2025	1041.855	0.777	1.559	0.601	91.667	5.554	0.351	0.020	0.041	0.007	0.007	0.009	0.009	0.000
11/07/2025	1046.396	0.901	1.386	0.604	91.351	5.793	0.446	0.027	0.059	0.009	0.010	0.009	0.009	0.000
11/06/2025	1061.290	0.913	2.108	0.622	87.821	8.440	0.617	0.024	0.047	0.006	0.006	0.009	0.009	0.000
11/05/2025	1040.995	0.868	1.551	0.602	91.602	5.513	0.372	0.020	0.041	0.007	0.008	0.008	0.008	0.000
11/04/2025	1069.774	0.919	2.356	0.630	86.221	9.685	0.721	0.023	0.045	0.004	0.005	0.009	0.009	0.000
11/03/2025	1037.321	0.698	1.755	0.599	92.014	5.067	0.361	0.022	0.048	0.008	0.009	0.008	0.008	0.000
11/02/2025	1038.482	0.731	1.718	0.600	91.873	5.211	0.361	0.022	0.049	0.008	0.009	0.008	0.008	0.000
11/01/2025	1037.289	0.712	1.717	0.599	92.027	5.122	0.327	0.020	0.043	0.007	0.008	0.009	0.009	0.000
10/31/2025	1040.141	0.817	1.600	0.601	91.684	5.472	0.337	0.019	0.039	0.006	0.007	0.009	0.009	0.000
10/30/2025	1043.880	0.856	1.497	0.603	91.435	5.708	0.399	0.024	0.048	0.008	0.008	0.009	0.009	0.000
10/29/2025	1046.030	0.926	1.453	0.605	91.096	6.018	0.403	0.023	0.047	0.007	0.008	0.009	0.009	0.000
10/28/2025	1051.311	1.064	1.290	0.609	90.579	6.477	0.462	0.028	0.060	0.010	0.012	0.009	0.009	0.000
10/27/2025	1045.546	0.853	1.610	0.605	91.073	5.885	0.444	0.029	0.065	0.011	0.013	0.009	0.009	0.000
10/26/2025	1029.043	0.500	1.840	0.592	93.297	3.954	0.306	0.020	0.047	0.008	0.010	0.008	0.008	0.000
10/25/2025	1027.421	0.500	2.007	0.592	93.054	4.075	0.280	0.016	0.036	0.006	0.007	0.008	0.008	0.000
10/24/2025	1026.682	0.477	2.012	0.592	93.176	3.983	0.271	0.016	0.035	0.006	0.007	0.008	0.008	0.000
10/23/2025	1044.947	0.665	2.326	0.610	89.838	6.617	0.470	0.018	0.036	0.005	0.005	0.009	0.009	0.000
10/22/2025	1033.990	0.674	1.772	0.597	92.431	4.698	0.322	0.021	0.046	0.008	0.009	0.009	0.009	0.000