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Gas Quality / Gas Quality By Date

Date Requested: Oct 18 2025 8:06 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


10/18/2025	1026.885	0.560	1.933	0.592	93.060	4.069	0.291	0.020	0.044	0.008	0.009	0.003	0.003	0.000
10/17/2025	1031.722	0.659	1.743	0.595	92.664	4.538	0.306	0.021	0.046	0.008	0.009	0.003	0.003	0.000
10/16/2025	1033.934	0.698	1.685	0.596	92.431	4.781	0.313	0.022	0.047	0.008	0.009	0.003	0.003	0.000
10/15/2025	1047.855	1.024	1.241	0.606	91.004	6.235	0.387	0.026	0.055	0.010	0.011	0.003	0.003	0.000
10/14/2025	1046.851	0.969	1.291	0.605	91.093	6.182	0.373	0.022	0.046	0.008	0.009	0.003	0.003	0.000
10/13/2025	1045.562	0.923	1.414	0.605	91.121	6.046	0.396	0.024	0.051	0.009	0.009	0.003	0.003	0.000
10/12/2025	1044.556	0.924	1.440	0.604	91.130	6.052	0.366	0.022	0.045	0.008	0.008	0.003	0.003	0.000
10/11/2025	1037.474	0.784	1.662	0.600	91.753	5.432	0.303	0.016	0.034	0.006	0.006	0.002	0.002	0.000
10/10/2025	1029.972	0.602	1.907	0.595	92.543	4.612	0.277	0.015	0.031	0.005	0.005	0.002	0.002	0.000
10/09/2025	1033.263	0.672	1.830	0.597	92.203	4.900	0.323	0.018	0.037	0.006	0.007	0.002	0.002	0.000
10/08/2025	1047.889	1.004	1.257	0.606	90.926	6.356	0.380	0.020	0.040	0.006	0.007	0.002	0.002	0.000
10/07/2025	1049.880	1.047	1.212	0.607	90.753	6.474	0.419	0.024	0.049	0.008	0.009	0.003	0.003	0.000
10/06/2025	1043.322	0.988	1.262	0.603	91.442	5.920	0.338	0.015	0.026	0.004	0.004	0.001	0.001	0.000
10/05/2025	1060.698	1.042	1.955	0.622	87.558	8.797	0.543	0.017	0.031	0.003	0.003	0.001	0.001	0.051
10/04/2025	1047.235	0.992	1.486	0.607	90.499	6.546	0.403	0.018	0.036	0.005	0.006	0.002	0.002	0.006
10/03/2025	1042.432	0.967	1.397	0.603	91.368	5.836	0.359	0.019	0.037	0.006	0.007	0.002	0.002	0.000
10/02/2025	1048.746	0.971	1.258	0.606	90.864	6.467	0.369	0.019	0.036	0.006	0.006	0.002	0.002	0.000
10/01/2025	1050.604	1.050	1.094	0.606	90.779	6.659	0.361	0.016	0.028	0.004	0.005	0.002	0.002	0.000
09/30/2025	1052.349	1.119	1.251	0.610	90.156	6.960	0.429	0.022	0.043	0.007	0.008	0.002	0.002	0.000
09/29/2025	1059.599	1.239	1.122	0.615	89.311	7.754	0.477	0.025	0.049	0.008	0.009	0.003	0.003	0.000
09/28/2025	1051.565	1.032	1.358	0.610	90.148	7.000	0.392	0.019	0.036	0.006	0.007	0.002	0.002	0.000
09/27/2025	1047.115	0.803	1.558	0.605	90.781	6.417	0.365	0.019	0.038	0.007	0.007	0.003	0.003	0.000
09/26/2025	1046.141	0.842	1.541	0.605	90.886	6.269	0.376	0.021	0.042	0.008	0.008	0.003	0.003	0.000
09/25/2025	1047.595	0.978	1.395	0.607	90.835	6.248	0.437	0.026	0.053	0.010	0.011	0.004	0.004	0.000
09/24/2025	1058.454	1.221	1.163	0.615	89.509	7.478	0.499	0.031	0.065	0.012	0.013	0.005	0.005	0.000
09/23/2025	1050.645	1.029	1.425	0.610	90.231	6.781	0.430	0.026	0.052	0.009	0.010	0.003	0.003	0.000
09/22/2025	1053.527	1.069	1.348	0.611	89.985	7.033	0.452	0.028	0.057	0.010	0.011	0.004	0.004	0.000
09/21/2025	1056.616	1.166	1.294	0.614	89.527	7.401	0.497	0.029	0.058	0.010	0.010	0.003	0.003	0.000
09/20/2025	1051.810	1.085	1.426	0.611	89.960	6.976	0.454	0.025	0.050	0.008	0.009	0.003	0.003	0.000
09/19/2025	1048.113	1.033	1.458	0.608	90.483	6.476	0.450	0.025	0.050	0.008	0.009	0.003	0.003	0.000
09/18/2025	1055.998	1.254	1.199	0.614	89.593	7.365	0.483	0.026	0.054	0.009	0.010	0.003	0.003	0.000
09/17/2025	1064.685	1.427	1.026	0.621	88.518	8.394	0.523	0.028	0.057	0.009	0.011	0.004	0.004	0.000
09/16/2025	1064.723	1.359	1.113	0.621	88.764	7.923	0.661	0.041	0.089	0.016	0.019	0.007	0.007	0.000
09/15/2025	1066.030	1.254	1.249	0.621	88.952	7.427	0.822	0.065	0.150	0.028	0.032	0.010	0.010	0.000
09/14/2025	1059.013	1.161	1.330	0.616	89.643	6.918	0.714	0.052	0.118	0.022	0.025	0.008	0.008	0.000
09/13/2025	1051.153	0.998	1.559	0.611	90.419	6.159	0.644	0.048	0.110	0.021	0.024	0.009	0.009	0.000
09/12/2025	1062.421	1.189	1.357	0.619	89.250	7.141	0.783	0.061	0.141	0.027	0.031	0.010	0.010	0.000
09/11/2025	1052.680	1.024	1.553	0.612	90.166	6.400	0.632	0.050	0.113	0.021	0.024	0.008	0.008	0.000
09/10/2025	1048.840	0.891	1.637	0.608	90.589	6.156	0.549	0.040	0.090	0.017	0.019	0.006	0.006	0.000
09/09/2025	1045.260	0.855	1.624	0.605	90.997	5.879	0.529	0.029	0.059	0.010	0.011	0.004	0.004	0.000
09/08/2025	1047.061	0.876	1.523	0.606	90.890	6.103	0.508	0.026	0.053	0.008	0.008	0.003	0.003	0.000
09/07/2025	1048.859	0.964	1.438	0.608	90.577	6.462	0.474	0.024	0.046	0.006	0.006	0.002	0.002	0.000
09/06/2025	1050.465	0.956	1.399	0.608	90.358	6.814	0.414	0.017	0.032	0.004	0.004	0.001	0.001	0.000
09/05/2025	1053.659	1.041	1.329	0.611	89.933	7.200	0.438	0.018	0.032	0.004	0.004	0.001	0.001	0.000
09/04/2025	1053.898	1.050	1.284	0.611	89.979	7.199	0.427	0.018	0.033	0.004	0.004	0.001	0.001	0.000
09/03/2025	1052.030	1.006	1.438	0.610	89.973	7.089	0.434	0.018	0.033	0.004	0.004	0.001	0.001	0.000
09/02/2025	1041.014	0.808	1.869	0.605	90.852	6.000	0.406	0.018	0.035	0.005	0.005	0.001	0.001	0.000
09/01/2025	1035.440	0.745	1.978	0.601	91.395	5.472	0.356	0.015	0.029	0.004	0.004	0.001	0.001	0.000
08/31/2025	1041.135	0.865	1.624	0.603	91.207	5.881	0.371	0.015	0.028	0.004	0.003	0.001	0.001	0.000
08/30/2025	1044.492	0.909	1.520	0.605	90.961	6.157	0.386	0.018	0.033	0.005	0.005	0.002	0.002	0.000
08/29/2025	1040.156	0.806	1.528	0.600	91.631	5.663	0.331	0.012	0.022	0.003	0.003	0.001	0.001	0.000
08/28/2025	1051.713	1.051	1.245	0.609	90.327	6.898	0.431	0.015	0.026	0.003	0.003	0.001	0.001	0.000
08/27/2025	1070.562	1.433	0.850	0.623	88.105	8.954	0.589	0.021	0.037	0.004	0.004	0.001	0.001	0.000
08/26/2025	1069.415	1.363	0.865	0.621	88.436	8.642	0.611	0.024	0.044	0.006	0.006	0.002	0.002	0.000
08/25/2025	1050.990	0.979	1.263	0.607	90.629	6.602	0.455	0.020	0.037	0.005	0.006	0.002	0.002	0.000
08/24/2025	1059.262	1.120	1.188	0.614	89.613	7.402	0.557	0.030	0.062	0.010	0.011	0.004	0.004	0.000
08/23/2025	1046.970	0.920	1.388	0.605	90.906	6.334	0.392	0.017	0.030	0.004	0.004	0.002	0.002	0.000
08/22/2025	1040.396	0.700	1.577	0.599	91.747	5.597	0.330	0.014	0.025	0.003	0.003	0.001	0.001	0.000
08/21/2025	1031.359	0.584	1.761	0.594	92.685	4.660	0.272	0.011	0.020	0.003	0.003	0.001	0.001	0.000
08/20/2025	1034.072	0.662	1.590	0.595	92.544	4.898	0.269	0.011	0.019	0.003	0.003	0.001	0.001	0.000
08/19/2025	1056.018	1.175	1.077	0.612	89.883	7.387	0.421	0.017	0.030	0.004	0.004	0.001	0.001	0.000
08/18/2025	1049.762	0.987	1.338	0.607	90.616	6.535	0.435	0.023	0.046	0.007	0.008	0.002	0.002	0.000
08/17/2025	1051.182	1.038	1.297	0.609	90.271	6.947	0.399	0.015	0.025	0.003	0.003	0.001	0.001	0.000
08/16/2025	1052.314	1.109	1.290	0.611	89.993	7.156	0.399	0.016	0.028	0.004	0.004	0.001	0.001	0.000
08/15/2025	1037.568	0.751	1.651	0.599	91.863	5.334	0.341	0.016	0.030	0.005	0.005	0.002	0.002	0.000
08/14/2025	1069.068	0.949	2.099	0.627	86.595	9.613	0.677	0.021	0.039	0.003	0.003	0.000	0.000	0.000
08/13/2025	1088.292	0.981	2.627	0.646	83.055	12.338	0.918	0.027	0.049	0.002	0.003	0.000	0.000	0.000
08/12/2025	1087.938	0.981	2.636	0.645	83.023	12.407	0.886	0.022	0.041	0.002	0.002	0.000	0.000	0.000
08/11/2025	1086.282	1.003	2.709	0.645	83.029	12.297	0.895	0.022	0.041	0.002	0.002	0.000	0.000	0.000
08/10/2025	1088.843	1.013	2.776	0.648	82.548	12.668	0.926	0.023	0.042	0.002	0.002	0.000	0.000	0.000
08/09/2025	1085.807	0.988	2.661	0.644	83.209	12.202	0.875	0.022	0.039	0.002	0.002	0.000	0.000	0.000
08/08/2025	1090.343	1.017	2.598	0.647	82.769	12.615	0.928	0.024	0.045	0.002	0.003	0.000	0.000	0.000
08/07/2025	1087.175	1.004	2.606	0.645	83.080	12.409	0.838	0.021	0.038	0.002	0.002	0.000	0.000	0.000
08/06/2025	1085.623	1.002	2.661	0.645	83.154	12.288	0.832	0.020	0.038	0.002	0.002	0.000	0.000	0.000
08/05/2025	1087.592	0.991	2.600	0.645	83.144	12.331	0.841	0.032	0.050	0.005	0.005	0.001	0.001	0.000
08/04/2025	1091.511	1.015	2.691	0.649	82.441	12.832	0.934	0.028	0.051	0.004	0.004	0.000	0.000	0.000
08/03/2025	1090.511	1.007	2.662	0.648	82.628	12.703	0.918	0.026	0.049	0.003	0.003	0.000	0.000	0.000
08/02/2025	1090.740	1.019	2.718	0.649	82.463	12.785	0.928	0.028	0.051	0.004	0.004	0.000	0.000	0.000
08/01/2025	1092.019	1.009	2.681	0.649	82.489	12.736	0.986	0.033	0.057	0.004	0.004	0.001	0.001	0.000
07/31/2025	1091.446	1.003	2.683	0.648	82.538	12.716	0.969	0.030	0.053	0.004	0.004	0.000	0.000	0.000
07/30/2025	1094.733	1.018	2.719	0.651	82.078	13.048	1.037	0.030	0.061	0.004	0.005	0.000	0.000	0.000
07/29/2025	1094.726	1.009	2.680	0.651	82.217	12.939	1.048	0.032	0.065	0.005	0.005	0.000	0.000	0.000
07/28/2025	1096.275	1.022	2.761	0.653	81.763	13.306	1.061	0.028	0.053	0.003	0.003	0.000	0.000	0.000
07/27/2025	1093.667	1.005	2.672	0.650	82.270	12.978	0.990	0.027	0.051	0.003	0.003	0.000	0.000	0.003
07/26/2025	1092.515	1.014	2.699	0.649	82.422	12.686	1.075	0.030	0.057	0.003	0.003	0.000	0.000	0.011
07/25/2025	1089.869	1.011	2.755	0.648	82.598	12.440	1.075	0.029	0.055	0.003	0.003	0.000	0.000	0.030
07/24/2025	1090.271	1.016	2.760	0.649	82.409	12.695	0.991	0.027	0.053	0.003	0.003	0.000	0.000	0.042
07/23/2025	1090.906	1.006	2.715	0.648	82.420	12.698	1.005	0.028	0.053	0.003	0.003	0.000	0.000	0.069
07/22/2025	1087.961	1.015	2.689	0.646	82.755	12.464	0.927	0.026	0.050	0.003	0.003	0.000	0.000	0.068
07/21/2025	1088.575	0.990	2.574	0.645	83.026	12.313	0.951	0.026	0.049	0.002	0.002	0.000	0.000	0.066
07/20/2025	1087.369	0.985	2.565	0.644	83.111	12.345	0.864	0.022	0.041	0.002	0.002	0.000	0.000	0.063
07/19/2025	1087.979	0.992	2.549	0.645	83.003	12.461	0.850	0.022	0.040	0.002	0.002	0.000	0.000	0.079
07/18/2025	1086.559	0.992	2.651	0.645	82.950	12.322	0.901	0.024	0.044	0.002	0.002	0.000	0.000	0.112
07/17/2025	1088.554	0.985	2.626	0.646	82.818	12.499	0.906	0.025	0.045	0.002	0.002	0.000	0.000	0.091