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Gas Quality / Gas Quality By Date

Date Requested: Dec 11 2025 12:01 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


12/11/2025	1049.012	0.573	0.446	0.591	93.247	5.612	0.113	0.005	0.003	0.001	0.000	0.000	0.000
12/10/2025	1049.816	0.586	0.442	0.591	93.123	5.726	0.114	0.005	0.003	0.001	0.000	0.000	0.000
12/09/2025	1050.835	0.571	0.427	0.592	93.064	5.810	0.119	0.005	0.004	0.001	0.000	0.000	0.000
12/08/2025	1050.376	0.571	0.449	0.592	93.077	5.771	0.124	0.005	0.004	0.001	0.000	0.000	0.000
12/07/2025	1051.001	0.570	0.464	0.592	93.015	5.777	0.155	0.009	0.008	0.001	0.001	0.000	0.000
12/06/2025	1050.862	0.570	0.452	0.592	93.075	5.717	0.165	0.009	0.009	0.002	0.001	0.000	0.000
12/05/2025	1048.854	0.568	0.453	0.591	93.287	5.547	0.134	0.006	0.004	0.001	0.000	0.000	0.000
12/04/2025	1048.893	0.555	0.457	0.591	93.327	5.495	0.150	0.007	0.006	0.001	0.001	0.000	0.000
12/03/2025	1049.194	0.563	0.448	0.591	93.280	5.556	0.140	0.007	0.006	0.001	0.001	0.000	0.000
12/02/2025	1048.689	0.555	0.444	0.590	93.339	5.536	0.117	0.005	0.003	0.001	0.000	0.000	0.000
12/01/2025	1048.286	0.541	0.433	0.590	93.446	5.458	0.114	0.005	0.003	0.001	0.000	0.000	0.000
11/30/2025	1047.965	0.536	0.446	0.590	93.468	5.430	0.112	0.005	0.003	0.001	0.000	0.000	0.000
11/29/2025	1047.784	0.545	0.447	0.590	93.464	5.426	0.108	0.005	0.004	0.001	0.000	0.000	0.000
11/28/2025	1047.916	0.536	0.422	0.589	93.524	5.402	0.106	0.005	0.004	0.001	0.000	0.000	0.000
11/27/2025	1047.957	0.544	0.424	0.589	93.495	5.421	0.107	0.005	0.003	0.001	0.000	0.000	0.000
11/26/2025	1047.421	0.540	0.428	0.589	93.567	5.348	0.108	0.005	0.003	0.001	0.000	0.000	0.000
11/25/2025	1047.688	0.542	0.421	0.589	93.573	5.324	0.124	0.007	0.006	0.001	0.001	0.000	0.000
11/24/2025	1048.787	0.554	0.408	0.590	93.484	5.374	0.153	0.011	0.011	0.002	0.002	0.000	0.000
11/23/2025	1048.925	0.551	0.404	0.590	93.502	5.349	0.163	0.013	0.013	0.002	0.002	0.000	0.000
11/22/2025	1048.870	0.543	0.415	0.590	93.517	5.316	0.177	0.013	0.013	0.002	0.002	0.000	0.000
11/21/2025	1048.609	0.540	0.418	0.590	93.492	5.381	0.154	0.007	0.006	0.001	0.000	0.000	0.000
11/20/2025	1048.719	0.546	0.432	0.590	93.447	5.396	0.158	0.009	0.008	0.002	0.001	0.000	0.000
11/19/2025	1052.589	0.562	0.460	0.593	93.095	5.511	0.300	0.029	0.031	0.006	0.004	0.001	0.001
11/18/2025	1045.546	0.552	0.469	0.589	93.709	5.131	0.127	0.006	0.004	0.001	0.000	0.000	0.000
11/17/2025	1046.750	0.548	0.464	0.589	93.595	5.239	0.144	0.006	0.004	0.001	0.000	0.000	0.000
11/16/2025	1047.500	0.559	0.451	0.590	93.493	5.347	0.139	0.006	0.004	0.001	0.000	0.000	0.000
11/15/2025	1047.760	0.531	0.429	0.589	93.567	5.332	0.131	0.005	0.004	0.001	0.000	0.000	0.000
11/14/2025	1047.009	0.520	0.440	0.589	93.666	5.233	0.131	0.006	0.004	0.001	0.000	0.000	0.000
11/13/2025	1047.121	0.528	0.442	0.589	93.623	5.270	0.127	0.005	0.004	0.001	0.000	0.000	0.000
11/12/2025	1046.068	0.726	0.425	0.591	93.346	5.362	0.129	0.005	0.005	0.001	0.001	0.000	0.000
11/11/2025	1046.769	0.614	0.416	0.590	93.534	5.296	0.127	0.006	0.005	0.001	0.001	0.000	0.000
11/10/2025	1047.099	0.518	0.402	0.588	93.734	5.219	0.117	0.005	0.004	0.001	0.000	0.000	0.000
11/09/2025	1046.126	0.561	0.392	0.588	93.783	5.138	0.116	0.005	0.004	0.001	0.000	0.000	0.000
11/08/2025	1043.513	0.664	0.394	0.588	93.884	4.926	0.121	0.005	0.005	0.001	0.000	0.000	0.000
11/07/2025	1043.048	0.666	0.398	0.588	93.938	4.862	0.125	0.005	0.005	0.001	0.001	0.000	0.000
11/06/2025	1044.765	0.678	0.401	0.589	93.878	4.750	0.240	0.018	0.026	0.003	0.003	0.001	0.001
11/05/2025	1045.080	0.626	0.385	0.589	93.932	4.812	0.205	0.015	0.018	0.003	0.002	0.000	0.000
11/04/2025	1060.259	0.864	1.392	0.613	89.285	7.980	0.446	0.012	0.019	0.001	0.001	0.000	0.000
11/03/2025	1063.727	0.973	1.684	0.620	87.985	8.801	0.517	0.013	0.024	0.001	0.001	0.000	0.000
11/02/2025	1071.199	0.991	2.000	0.628	86.409	9.878	0.672	0.017	0.030	0.002	0.002	0.000	0.000
11/01/2025	1068.706	0.859	1.851	0.623	87.352	9.250	0.637	0.018	0.029	0.002	0.002	0.000	0.000
10/31/2025	1067.691	0.807	1.696	0.620	87.922	8.927	0.603	0.017	0.026	0.001	0.001	0.000	0.000
10/30/2025	1069.365	0.793	1.692	0.621	87.803	9.017	0.640	0.020	0.032	0.002	0.002	0.000	0.000
10/29/2025	1054.507	0.644	0.925	0.601	91.476	6.625	0.303	0.011	0.014	0.001	0.001	0.000	0.000
10/28/2025	1047.616	0.532	0.398	0.589	93.726	5.150	0.169	0.011	0.011	0.002	0.001	0.000	0.000
10/27/2025	1042.028	0.527	0.389	0.585	94.383	4.593	0.100	0.005	0.003	0.001	0.000	0.000	0.000
10/26/2025	1044.157	0.542	0.440	0.587	93.979	4.903	0.125	0.005	0.004	0.001	0.000	0.000	0.000
10/25/2025	1051.334	0.620	0.906	0.598	91.932	6.261	0.260	0.008	0.010	0.001	0.001	0.000	0.000
10/24/2025	1050.449	0.625	0.828	0.597	92.206	6.072	0.247	0.008	0.011	0.001	0.001	0.000	0.000
10/23/2025	1052.097	0.605	0.775	0.597	92.203	6.121	0.267	0.011	0.015	0.002	0.002	0.000	0.000
10/22/2025	1053.759	0.629	0.980	0.600	91.475	6.595	0.291	0.011	0.015	0.002	0.002	0.000	0.000
10/21/2025	1051.230	0.647	1.047	0.600	91.543	6.497	0.245	0.008	0.010	0.001	0.001	0.000	0.000
10/20/2025	1054.573	0.711	1.217	0.605	90.617	7.139	0.293	0.009	0.012	0.001	0.001	0.000	0.000
10/19/2025	1059.390	0.752	1.386	0.610	89.716	7.646	0.447	0.020	0.027	0.003	0.003	0.000	0.000
10/18/2025	1057.649	0.749	1.321	0.608	89.997	7.513	0.390	0.011	0.017	0.001	0.001	0.000	0.000
10/17/2025	1045.815	0.610	0.629	0.591	93.263	5.276	0.202	0.009	0.010	0.001	0.001	0.000	0.000
10/16/2025	1040.369	0.574	0.393	0.585	94.515	4.378	0.125	0.007	0.006	0.001	0.001	0.000	0.000
10/15/2025	1038.206	0.574	0.447	0.584	94.653	4.204	0.111	0.005	0.004	0.001	0.000	0.000	0.000
10/14/2025	1051.821	0.737	1.227	0.604	90.948	6.724	0.331	0.011	0.018	0.002	0.002	0.000	0.000
10/13/2025	1053.427	0.745	1.231	0.605	90.743	6.883	0.364	0.012	0.018	0.001	0.001	0.000	0.000
10/12/2025	1069.943	0.623	0.973	0.611	89.539	8.397	0.440	0.012	0.013	0.001	0.001	0.000	0.000
10/11/2025	1054.862	0.737	1.191	0.605	90.676	6.991	0.373	0.012	0.018	0.001	0.001	0.000	0.000
10/10/2025	1037.225	0.579	0.398	0.583	94.875	4.033	0.104	0.005	0.004	0.001	0.001	0.000	0.000
10/09/2025	1036.627	0.584	0.407	0.583	94.933	3.950	0.115	0.006	0.004	0.001	0.000	0.000	0.000
10/08/2025	1034.932	0.582	0.407	0.582	95.150	3.744	0.107	0.005	0.004	0.001	0.000	0.000	0.000
10/07/2025	1032.877	0.562	0.461	0.581	95.319	3.557	0.091	0.005	0.004	0.001	0.000	0.000	0.000
10/06/2025	1039.063	0.563	0.445	0.584	94.552	4.337	0.094	0.005	0.004	0.001	0.000	0.000	0.000
10/05/2025	1040.252	0.559	0.441	0.585	94.431	4.449	0.110	0.005	0.004	0.001	0.000	0.000	0.000
10/04/2025	1041.138	0.544	0.442	0.585	94.338	4.567	0.100	0.005	0.004	0.001	0.000	0.000	0.000
10/03/2025	1040.113	0.550	0.468	0.585	94.409	4.450	0.112	0.005	0.004	0.001	0.000	0.000	0.000
10/02/2025	1046.924	0.614	0.729	0.593	92.941	5.427	0.266	0.010	0.011	0.001	0.001	0.000	0.000
10/01/2025	1048.857	0.625	0.693	0.594	92.802	5.546	0.307	0.013	0.013	0.001	0.001	0.000	0.000
09/30/2025	1054.414	0.712	0.993	0.602	91.263	6.616	0.382	0.014	0.017	0.001	0.001	0.000	0.000
09/29/2025	1050.333	0.659	0.899	0.598	92.060	6.039	0.316	0.011	0.014	0.001	0.001	0.000	0.000
09/28/2025	1050.901	0.683	0.882	0.598	91.896	6.261	0.255	0.009	0.011	0.001	0.001	0.000	0.000
09/27/2025	1051.790	0.659	0.850	0.598	91.911	6.302	0.256	0.008	0.011	0.001	0.001	0.000	0.000
09/26/2025	1042.263	0.554	0.387	0.586	94.293	4.657	0.100	0.004	0.003	0.001	0.000	0.000	0.000
09/25/2025	1041.793	0.550	0.410	0.585	94.307	4.626	0.099	0.004	0.003	0.001	0.000	0.000	0.000
09/24/2025	1041.714	0.550	0.411	0.585	94.313	4.622	0.097	0.004	0.003	0.001	0.000	0.000	0.000
09/23/2025	1041.115	0.547	0.414	0.585	94.387	4.552	0.093	0.004	0.003	0.001	0.000	0.000	0.000
09/22/2025	1046.938	0.465	0.368	0.587	93.960	5.074	0.125	0.005	0.003	0.001	0.000	0.000	0.000
09/21/2025	1041.756	0.503	0.382	0.584	94.486	4.525	0.096	0.004	0.003	0.001	0.000	0.000	0.000
09/20/2025	1041.776	0.493	0.375	0.584	94.522	4.505	0.096	0.005	0.003	0.001	0.000	0.000	0.000
09/19/2025	1043.169	0.491	0.376	0.585	94.351	4.670	0.103	0.005	0.003	0.001	0.000	0.000	0.000
09/18/2025	1043.237	0.503	0.395	0.585	94.275	4.710	0.108	0.005	0.003	0.001	0.000	0.000	0.000
09/17/2025	1045.824	0.538	0.570	0.590	93.508	5.208	0.163	0.006	0.006	0.001	0.000	0.000	0.000
09/16/2025	1046.359	0.535	0.556	0.590	93.477	5.258	0.162	0.006	0.005	0.001	0.000	0.000	0.000
09/15/2025	1050.005	0.585	0.775	0.595	92.450	5.947	0.226	0.007	0.008	0.001	0.001	0.000	0.000
09/14/2025	1046.095	0.516	0.371	0.587	93.927	5.071	0.105	0.005	0.004	0.001	0.000	0.000	0.000
09/13/2025	1045.885	0.514	0.391	0.587	93.920	5.055	0.109	0.006	0.004	0.001	0.000	0.000	0.000
09/12/2025	1045.989	0.510	0.370	0.587	93.951	5.057	0.102	0.005	0.003	0.001	0.000	0.000	0.000
09/11/2025	1044.258	0.501	0.399	0.586	94.130	4.860	0.102	0.005	0.003	0.001	0.000	0.000	0.000
09/10/2025	1051.945	0.636	0.904	0.599	91.830	6.340	0.270	0.008	0.010	0.001	0.001	0.000	0.000
09/09/2025	1067.244	0.800	1.793	0.620	87.720	9.087	0.557	0.015	0.024	0.002	0.002	0.000	0.000