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Gas Quality / Gas Quality By Date

Date Requested: Oct 22 2025 6:28 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


10/22/2025	1032.892	0.676	1.813	0.597	92.338	4.754	0.327	0.022	0.047	0.008	0.009	0.004	0.002
10/21/2025	1032.892	0.676	1.813	0.597	92.338	4.754	0.327	0.022	0.047	0.008	0.009	0.004	0.002
10/20/2025	1033.598	0.674	1.805	0.597	92.325	4.738	0.351	0.024	0.054	0.010	0.011	0.005	0.002
10/19/2025	1040.520	0.788	1.608	0.601	91.740	5.326	0.402	0.030	0.068	0.013	0.015	0.007	0.003
10/18/2025	1032.670	0.620	1.848	0.596	92.498	4.567	0.349	0.026	0.058	0.011	0.012	0.006	0.003
10/17/2025	1036.290	0.748	1.685	0.599	92.126	4.951	0.372	0.027	0.059	0.011	0.012	0.005	0.003
10/16/2025	1036.290	0.748	1.685	0.599	92.126	4.951	0.372	0.027	0.059	0.011	0.012	0.005	0.003
10/15/2025	1038.379	0.790	1.598	0.600	91.966	5.154	0.373	0.027	0.060	0.011	0.012	0.006	0.003
10/14/2025	1035.145	0.712	1.702	0.598	92.248	4.904	0.330	0.024	0.052	0.010	0.011	0.005	0.002
10/13/2025	1030.167	0.620	1.813	0.594	92.715	4.511	0.270	0.017	0.034	0.007	0.007	0.003	0.002
10/12/2025	1030.167	0.620	1.813	0.594	92.715	4.511	0.270	0.017	0.034	0.007	0.007	0.003	0.002
10/11/2025	1038.514	0.775	1.654	0.600	91.765	5.361	0.353	0.022	0.046	0.008	0.009	0.004	0.002
10/10/2025	1039.376	0.825	1.630	0.601	91.561	5.563	0.335	0.020	0.043	0.008	0.008	0.004	0.002
10/09/2025	1045.973	0.991	1.403	0.606	90.905	6.236	0.368	0.023	0.048	0.009	0.010	0.004	0.002
10/08/2025	1038.272	0.798	1.615	0.600	91.772	5.419	0.317	0.019	0.040	0.007	0.008	0.003	0.002
10/07/2025	1035.536	0.711	1.719	0.598	92.120	5.029	0.336	0.020	0.043	0.007	0.008	0.004	0.002
10/06/2025	1015.464	0.256	2.423	0.585	93.948	3.117	0.206	0.012	0.024	0.005	0.005	0.003	0.002
10/05/2025	1011.255	0.161	2.557	0.583	94.421	2.611	0.190	0.014	0.028	0.006	0.007	0.003	0.002
10/04/2025	1011.441	0.218	2.464	0.583	94.446	2.642	0.177	0.012	0.025	0.005	0.006	0.003	0.002
10/03/2025	1010.938	0.220	2.568	0.583	94.269	2.705	0.189	0.012	0.022	0.005	0.005	0.003	0.002
10/02/2025	1023.551	0.500	2.093	0.591	93.161	3.925	0.268	0.014	0.025	0.005	0.005	0.002	0.002
10/01/2025	1042.092	0.971	1.375	0.603	91.453	5.765	0.368	0.018	0.035	0.006	0.006	0.003	0.001
09/30/2025	1047.134	0.978	1.314	0.605	90.950	6.310	0.369	0.020	0.039	0.007	0.008	0.003	0.001
09/29/2025	1048.349	0.977	1.176	0.605	91.018	6.431	0.350	0.014	0.024	0.003	0.003	0.001	0.001
09/28/2025	1051.472	1.089	1.215	0.609	90.389	6.822	0.408	0.020	0.039	0.007	0.007	0.003	0.001
09/27/2025	1059.013	1.247	1.131	0.615	89.363	7.676	0.483	0.025	0.051	0.008	0.009	0.004	0.002
09/26/2025	1020.736	0.369	2.301	0.589	93.340	3.685	0.249	0.014	0.026	0.005	0.005	0.003	0.002
09/25/2025	1019.516	0.336	2.350	0.588	93.408	3.633	0.229	0.011	0.022	0.004	0.004	0.002	0.001
09/24/2025	1026.214	0.474	2.176	0.593	92.746	4.238	0.299	0.016	0.032	0.006	0.006	0.003	0.002
09/23/2025	1018.806	0.364	2.266	0.588	93.694	3.369	0.244	0.015	0.029	0.006	0.006	0.003	0.002
09/22/2025	1017.226	0.288	2.273	0.585	94.068	3.065	0.241	0.016	0.031	0.006	0.006	0.004	0.002
09/21/2025	1021.872	0.383	2.274	0.590	93.279	3.716	0.279	0.017	0.033	0.006	0.007	0.004	0.002
09/20/2025	1042.956	0.847	1.626	0.604	91.116	5.932	0.390	0.022	0.045	0.008	0.008	0.004	0.002
09/19/2025	1056.434	1.141	1.362	0.614	89.456	7.410	0.525	0.028	0.054	0.008	0.009	0.004	0.002
09/18/2025	1031.669	0.668	1.973	0.598	92.103	4.853	0.330	0.018	0.037	0.006	0.007	0.003	0.002
09/17/2025	1038.808	0.842	1.708	0.602	91.456	5.526	0.386	0.021	0.041	0.007	0.007	0.003	0.002
09/16/2025	1061.545	1.415	1.030	0.619	88.907	8.031	0.518	0.026	0.052	0.008	0.008	0.003	0.001
09/15/2025	1065.988	1.485	0.966	0.622	88.321	8.612	0.518	0.025	0.052	0.008	0.009	0.004	0.002
09/14/2025	1062.816	1.346	1.113	0.619	88.933	7.837	0.621	0.035	0.075	0.013	0.015	0.007	0.003
09/13/2025	1023.395	0.384	2.294	0.591	93.154	3.744	0.323	0.022	0.049	0.010	0.011	0.005	0.003
09/12/2025	1028.678	0.541	2.083	0.595	92.743	4.105	0.390	0.029	0.067	0.013	0.015	0.007	0.004
09/11/2025	1028.390	0.429	2.389	0.596	92.669	3.825	0.463	0.046	0.094	0.022	0.025	0.018	0.014
09/10/2025	1021.529	0.355	2.312	0.590	93.416	3.519	0.292	0.023	0.050	0.010	0.011	0.006	0.004
09/09/2025	1049.618	0.939	1.625	0.610	90.490	6.166	0.576	0.045	0.103	0.019	0.022	0.010	0.004
09/08/2025	1048.184	0.847	1.672	0.608	90.640	6.154	0.526	0.036	0.080	0.015	0.017	0.008	0.004
09/07/2025	1045.594	0.864	1.589	0.605	90.971	5.962	0.510	0.027	0.054	0.008	0.009	0.004	0.002
09/06/2025	1056.873	1.056	1.340	0.613	89.848	6.985	0.621	0.037	0.078	0.012	0.013	0.006	0.003
09/05/2025	1042.071	0.794	1.756	0.604	91.073	5.893	0.395	0.021	0.041	0.007	0.008	0.006	0.004
09/04/2025	1060.753	1.212	1.153	0.616	89.080	8.001	0.490	0.019	0.035	0.004	0.004	0.001	0.000
09/03/2025	1055.464	1.116	1.261	0.612	89.690	7.441	0.426	0.019	0.036	0.005	0.005	0.002	0.001
09/02/2025	1052.032	1.014	1.356	0.609	90.143	6.997	0.428	0.018	0.034	0.004	0.004	0.001	0.001
09/01/2025	1052.140	1.039	1.572	0.612	89.659	7.170	0.484	0.021	0.041	0.005	0.005	0.002	0.001
08/31/2025	1026.843	0.432	2.104	0.592	93.016	4.046	0.317	0.020	0.037	0.007	0.007	0.004	0.002
08/30/2025	1032.739	0.554	2.135	0.598	92.119	4.637	0.418	0.032	0.059	0.012	0.013	0.008	0.004
08/29/2025	1037.584	0.713	1.705	0.599	91.854	5.307	0.362	0.016	0.029	0.004	0.004	0.002	0.002
08/28/2025	1038.456	0.737	1.673	0.600	91.758	5.403	0.369	0.016	0.029	0.004	0.004	0.002	0.002
08/27/2025	1036.670	0.731	1.614	0.598	92.034	5.271	0.310	0.012	0.021	0.003	0.003	0.001	0.000
08/26/2025	1049.080	0.736	2.455	0.615	89.942	5.715	0.730	0.082	0.156	0.040	0.048	0.040	0.032
08/25/2025	1054.039	0.745	2.706	0.621	89.140	5.984	0.890	0.107	0.203	0.052	0.061	0.050	0.038
08/24/2025	1031.555	0.305	2.497	0.597	92.820	3.641	0.394	0.041	0.082	0.026	0.035	0.051	0.070
08/23/2025	1027.090	0.163	3.133	0.599	92.761	2.889	0.549	0.083	0.163	0.047	0.057	0.051	0.057
08/22/2025	1033.668	0.353	2.738	0.602	92.066	3.894	0.532	0.069	0.137	0.040	0.050	0.047	0.046
08/21/2025	1029.507	0.501	1.909	0.593	92.784	4.493	0.271	0.011	0.021	0.003	0.003	0.001	0.001
08/20/2025	1029.979	0.520	2.022	0.595	92.598	4.446	0.319	0.023	0.042	0.009	0.010	0.006	0.003
08/19/2025	1030.427	0.587	1.735	0.593	92.827	4.567	0.249	0.010	0.018	0.003	0.002	0.001	0.000
08/18/2025	1029.415	0.576	1.872	0.594	92.674	4.589	0.254	0.010	0.019	0.003	0.003	0.001	0.000
08/17/2025	1043.589	0.839	1.477	0.603	91.420	5.764	0.409	0.024	0.048	0.007	0.008	0.003	0.001
08/16/2025	1038.718	0.757	1.632	0.600	91.696	5.542	0.331	0.013	0.023	0.003	0.003	0.001	0.000
08/15/2025	1055.191	1.173	1.229	0.613	89.626	7.501	0.420	0.016	0.028	0.003	0.003	0.001	0.000
08/14/2025	1033.718	0.648	1.814	0.597	92.212	4.942	0.325	0.015	0.029	0.005	0.005	0.002	0.001
08/13/2025	1027.133	0.513	1.984	0.592	92.857	4.361	0.247	0.010	0.019	0.003	0.003	0.001	0.001
08/12/2025	1030.395	0.568	1.905	0.594	92.593	4.570	0.304	0.015	0.031	0.005	0.005	0.002	0.001
08/11/2025	1039.958	0.759	1.623	0.601	91.658	5.511	0.377	0.018	0.037	0.006	0.006	0.002	0.001
08/10/2025	1042.213	0.790	1.516	0.601	91.491	5.783	0.367	0.016	0.029	0.004	0.004	0.001	0.000
08/09/2025	1040.974	0.871	1.489	0.602	91.543	5.671	0.362	0.017	0.032	0.005	0.005	0.002	0.001
08/08/2025	1035.159	0.810	1.629	0.598	92.128	5.018	0.341	0.018	0.038	0.007	0.007	0.003	0.002
08/07/2025	1035.269	0.817	1.582	0.598	92.096	5.164	0.295	0.013	0.024	0.004	0.004	0.001	0.001
08/06/2025	1053.114	1.170	1.015	0.609	90.417	6.931	0.404	0.018	0.033	0.005	0.005	0.002	0.001
08/05/2025	1061.070	1.346	0.733	0.614	89.667	7.743	0.446	0.019	0.034	0.005	0.004	0.002	0.001
08/04/2025	1061.182	1.336	0.741	0.614	89.694	7.703	0.449	0.021	0.039	0.006	0.006	0.003	0.001
08/03/2025	1061.751	1.347	0.711	0.614	89.678	7.731	0.450	0.022	0.041	0.007	0.007	0.003	0.001
08/02/2025	1026.470	0.499	1.891	0.591	93.257	4.034	0.261	0.014	0.028	0.005	0.005	0.003	0.002
08/01/2025	1027.653	0.518	1.856	0.591	93.185	4.098	0.276	0.015	0.031	0.006	0.006	0.003	0.003
07/31/2025	1033.716	0.680	1.641	0.595	92.635	4.635	0.323	0.018	0.035	0.007	0.007	0.005	0.009
07/30/2025	1050.741	1.091	0.894	0.605	91.184	6.369	0.396	0.018	0.034	0.005	0.005	0.002	0.001
07/29/2025	1050.375	1.167	0.763	0.605	91.266	6.409	0.350	0.015	0.024	0.003	0.003	0.001	0.000
07/28/2025	1038.451	0.865	1.370	0.599	92.066	5.338	0.322	0.012	0.021	0.003	0.002	0.000	0.000
07/27/2025	1044.923	0.993	1.303	0.604	91.104	6.218	0.340	0.013	0.022	0.003	0.002	0.000	0.000
07/26/2025	1042.610	0.912	1.422	0.603	91.325	5.955	0.342	0.013	0.024	0.003	0.003	0.001	0.000
07/25/2025	1027.630	0.522	1.959	0.592	92.862	4.350	0.260	0.012	0.024	0.004	0.004	0.001	0.001
07/24/2025	1035.219	0.715	1.616	0.597	92.240	5.087	0.305	0.011	0.019	0.003	0.002	0.001	0.000
07/23/2025	1033.678	0.661	1.711	0.596	92.335	4.969	0.282	0.012	0.022	0.003	0.003	0.001	0.000
07/22/2025	1034.547	0.663	1.731	0.597	92.185	5.089	0.288	0.013	0.023	0.003	0.003	0.001	0.000
07/21/2025	1040.757	0.810	1.519	0.601	91.580	5.712	0.329	0.015	0.026	0.004	0.003	0.001	0.000