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Gas Quality / Gas Quality By Date

Date Requested: May 19 2026 11:29 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


05/19/2026	1028.922	0.445	2.060	0.593	92.945	4.005	0.447	0.025	0.050	0.008	0.009	0.003	0.003
05/18/2026	1027.437	0.463	2.027	0.592	93.132	3.879	0.401	0.024	0.048	0.008	0.010	0.004	0.004
05/17/2026	1033.939	0.592	1.841	0.596	92.553	4.420	0.464	0.031	0.064	0.011	0.013	0.005	0.005
05/16/2026	1031.421	0.488	2.020	0.595	92.694	4.180	0.506	0.030	0.058	0.008	0.009	0.003	0.003
05/15/2026	1043.904	0.601	1.895	0.603	91.580	4.895	0.848	0.053	0.098	0.011	0.012	0.004	0.004
05/14/2026	1034.262	0.525	1.976	0.597	92.383	4.467	0.530	0.032	0.061	0.009	0.010	0.004	0.004
05/13/2026	1033.609	0.582	1.994	0.598	92.279	4.519	0.503	0.032	0.062	0.010	0.011	0.004	0.004
05/12/2026	1034.582	0.603	1.752	0.596	92.556	4.540	0.453	0.026	0.048	0.007	0.008	0.003	0.003
05/11/2026	1033.832	0.575	1.922	0.597	92.355	4.581	0.462	0.027	0.052	0.008	0.009	0.004	0.004
05/10/2026	1034.579	0.565	1.907	0.597	92.308	4.655	0.465	0.026	0.049	0.008	0.009	0.004	0.004
05/09/2026	1032.865	0.534	1.983	0.596	92.404	4.542	0.434	0.025	0.050	0.008	0.010	0.005	0.005
05/08/2026	1027.121	0.454	2.163	0.593	92.842	4.062	0.392	0.023	0.043	0.007	0.008	0.003	0.003
05/07/2026	1026.561	0.442	2.198	0.593	92.907	3.952	0.395	0.026	0.052	0.009	0.010	0.004	0.004
05/06/2026	1069.704	1.291	0.738	0.619	89.498	7.413	0.777	0.065	0.144	0.027	0.030	0.009	0.009
05/05/2026	1065.546	1.172	0.666	0.613	90.466	6.661	0.744	0.066	0.148	0.028	0.031	0.009	0.009
05/04/2026	1063.278	1.132	0.717	0.612	90.731	6.374	0.764	0.065	0.144	0.026	0.030	0.008	0.008
05/03/2026	1069.141	1.266	0.563	0.616	90.072	7.036	0.757	0.068	0.156	0.029	0.034	0.010	0.010
05/02/2026	1057.142	1.030	0.972	0.609	90.917	6.230	0.621	0.052	0.116	0.021	0.025	0.008	0.008
05/01/2026	1049.026	0.877	1.365	0.606	91.217	5.817	0.556	0.038	0.083	0.015	0.018	0.007	0.007
04/30/2026	1050.003	0.905	1.346	0.606	91.064	5.966	0.550	0.038	0.083	0.015	0.019	0.007	0.007
04/29/2026	1047.337	0.857	1.440	0.605	91.237	5.799	0.513	0.035	0.077	0.014	0.017	0.006	0.006
04/28/2026	1049.249	0.918	1.331	0.606	91.124	5.933	0.539	0.036	0.078	0.014	0.017	0.006	0.006
04/27/2026	1043.032	0.781	1.515	0.602	91.750	5.320	0.487	0.034	0.073	0.014	0.016	0.005	0.005
04/26/2026	1047.544	0.951	1.344	0.606	91.237	5.777	0.532	0.037	0.081	0.015	0.017	0.005	0.005
04/25/2026	1042.135	0.857	1.497	0.602	91.676	5.365	0.474	0.031	0.066	0.012	0.013	0.004	0.004
04/24/2026	1043.499	0.884	1.465	0.603	91.531	5.498	0.489	0.032	0.067	0.012	0.013	0.004	0.004
04/23/2026	1040.600	0.825	1.557	0.601	91.805	5.221	0.463	0.030	0.063	0.012	0.014	0.005	0.005
04/22/2026	1036.222	0.729	1.685	0.598	92.199	4.874	0.403	0.026	0.055	0.010	0.011	0.004	0.004
04/21/2026	1034.818	0.703	1.751	0.598	92.265	4.774	0.403	0.025	0.052	0.009	0.010	0.003	0.003
04/20/2026	1036.177	0.695	1.789	0.599	92.051	4.922	0.439	0.026	0.054	0.009	0.009	0.003	0.003
04/19/2026	1041.836	0.781	1.558	0.601	91.729	5.344	0.457	0.031	0.066	0.012	0.013	0.004	0.004
04/18/2026	1029.762	0.567	2.021	0.595	92.581	4.354	0.374	0.024	0.049	0.010	0.010	0.004	0.004
04/17/2026	1017.012	0.343	2.301	0.586	93.878	3.182	0.240	0.013	0.025	0.005	0.006	0.003	0.003
04/16/2026	1024.914	0.530	2.021	0.591	93.189	3.883	0.292	0.018	0.040	0.008	0.010	0.005	0.005
04/15/2026	1035.184	0.712	1.660	0.597	92.389	4.766	0.367	0.024	0.050	0.010	0.012	0.005	0.005
04/14/2026	1032.645	0.679	1.693	0.595	92.729	4.439	0.347	0.024	0.052	0.010	0.013	0.007	0.007
04/13/2026	1030.200	0.651	1.740	0.594	92.960	4.220	0.320	0.022	0.050	0.010	0.013	0.007	0.007
04/12/2026	1031.634	0.610	1.803	0.595	92.676	4.505	0.313	0.019	0.041	0.008	0.011	0.006	0.006
04/11/2026	1033.326	0.648	1.780	0.596	92.494	4.619	0.353	0.023	0.050	0.010	0.012	0.006	0.006
04/10/2026	1036.803	0.761	1.594	0.598	92.213	4.960	0.369	0.023	0.049	0.010	0.011	0.005	0.005
04/09/2026	1026.033	0.517	1.917	0.591	93.278	3.936	0.276	0.016	0.034	0.007	0.009	0.005	0.005
04/08/2026	1023.664	0.443	2.103	0.590	93.290	3.824	0.275	0.015	0.030	0.006	0.007	0.003	0.003
04/07/2026	1018.438	0.293	2.358	0.587	93.698	3.344	0.248	0.013	0.026	0.005	0.007	0.004	0.004
04/06/2026	1019.727	0.294	2.343	0.588	93.595	3.440	0.264	0.013	0.027	0.005	0.007	0.006	0.006
04/05/2026	1021.291	0.297	2.379	0.589	93.377	3.584	0.276	0.016	0.034	0.008	0.011	0.009	0.009
04/04/2026	1026.156	0.502	1.957	0.591	93.248	3.903	0.307	0.019	0.039	0.008	0.009	0.004	0.004
04/03/2026	1008.249	0.160	2.532	0.580	94.764	2.356	0.156	0.008	0.015	0.003	0.003	0.001	0.001
04/02/2026	1022.066	0.519	1.968	0.589	93.604	3.605	0.239	0.015	0.031	0.006	0.007	0.003	0.003
04/01/2026	1024.936	0.502	1.962	0.590	93.375	3.799	0.281	0.017	0.037	0.008	0.009	0.005	0.005
03/31/2026	1019.789	0.341	2.259	0.588	93.669	3.415	0.247	0.015	0.029	0.006	0.008	0.006	0.006
03/30/2026	1017.947	0.302	2.356	0.587	93.768	3.257	0.247	0.017	0.030	0.007	0.008	0.005	0.005
03/29/2026	1018.093	0.349	2.219	0.586	93.883	3.274	0.224	0.012	0.023	0.005	0.006	0.002	0.002
03/28/2026	1020.270	0.384	2.105	0.587	93.747	3.511	0.210	0.011	0.019	0.004	0.004	0.002	0.002
03/27/2026	1022.128	0.404	2.113	0.589	93.541	3.618	0.262	0.014	0.028	0.006	0.007	0.003	0.003
03/26/2026	1017.760	0.351	2.227	0.586	93.910	3.233	0.227	0.012	0.024	0.005	0.005	0.003	0.003
03/25/2026	1013.798	0.246	2.350	0.583	94.306	2.874	0.186	0.009	0.018	0.003	0.004	0.002	0.002
03/24/2026	1019.680	0.370	2.252	0.588	93.590	3.459	0.282	0.013	0.024	0.004	0.004	0.001	0.001
03/23/2026	1018.866	0.358	2.265	0.587	93.691	3.363	0.275	0.013	0.024	0.004	0.004	0.001	0.001
03/22/2026	1015.482	0.311	2.335	0.585	94.033	3.064	0.205	0.011	0.022	0.004	0.005	0.004	0.004
03/21/2026	1017.518	0.354	2.209	0.586	93.997	3.165	0.212	0.012	0.026	0.005	0.007	0.006	0.006
03/20/2026	1023.472	0.461	2.028	0.590	93.471	3.693	0.275	0.016	0.033	0.006	0.008	0.005	0.005
03/19/2026	1022.165	0.426	2.112	0.589	93.505	3.629	0.261	0.015	0.030	0.006	0.007	0.004	0.004
03/18/2026	1037.023	0.664	1.870	0.600	91.705	5.307	0.378	0.019	0.037	0.006	0.007	0.003	0.003
03/17/2026	1057.781	0.928	1.921	0.618	88.556	7.879	0.615	0.028	0.053	0.007	0.008	0.003	0.003
03/16/2026	1029.039	0.547	1.829	0.592	93.105	4.095	0.335	0.021	0.042	0.008	0.009	0.004	0.004
03/15/2026	1024.040	0.428	2.013	0.589	93.521	3.686	0.276	0.016	0.035	0.007	0.008	0.005	0.005
03/14/2026	1025.645	0.458	1.983	0.590	93.309	3.887	0.294	0.016	0.033	0.006	0.007	0.004	0.004
03/13/2026	1022.378	0.456	1.998	0.588	93.664	3.554	0.262	0.016	0.031	0.006	0.007	0.003	0.003
03/12/2026	1030.429	0.605	1.630	0.592	93.272	4.052	0.348	0.022	0.045	0.009	0.010	0.004	0.004
03/11/2026	1034.966	0.732	1.388	0.594	92.984	4.430	0.365	0.024	0.049	0.009	0.011	0.004	0.004
03/10/2026	1023.888	0.494	1.848	0.588	93.731	3.590	0.274	0.016	0.032	0.006	0.006	0.002	0.002
03/09/2026	1028.210	0.595	1.702	0.591	93.328	3.995	0.306	0.018	0.036	0.007	0.007	0.003	0.003
03/08/2026	1030.302	0.605	1.619	0.592	93.284	4.073	0.333	0.021	0.042	0.008	0.009	0.004	0.004
03/07/2026	1032.206	0.641	1.633	0.594	92.960	4.312	0.363	0.023	0.046	0.008	0.009	0.003	0.003
03/06/2026	1031.410	0.616	1.720	0.594	92.895	4.334	0.348	0.021	0.042	0.008	0.009	0.004	0.004
03/05/2026	1035.207	0.649	1.619	0.596	92.582	4.687	0.377	0.022	0.043	0.007	0.008	0.003	0.003
03/04/2026	1035.237	0.681	1.457	0.595	92.763	4.721	0.317	0.017	0.031	0.005	0.005	0.002	0.002
03/03/2026	1034.580	0.592	1.714	0.595	92.557	4.673	0.389	0.021	0.039	0.006	0.006	0.002	0.002
03/02/2026	1041.245	0.704	1.392	0.598	92.215	5.190	0.421	0.022	0.039	0.006	0.006	0.002	0.002
03/01/2026	1042.930	0.720	1.331	0.599	92.166	5.253	0.428	0.027	0.049	0.009	0.009	0.004	0.004
02/28/2026	1040.850	0.713	1.453	0.599	92.152	5.165	0.423	0.025	0.046	0.008	0.008	0.004	0.004
02/27/2026	1031.645	0.538	1.791	0.593	92.836	4.419	0.346	0.019	0.035	0.006	0.006	0.003	0.003
02/26/2026	1029.343	0.529	1.820	0.592	93.052	4.219	0.315	0.017	0.031	0.005	0.006	0.003	0.003
02/25/2026	1029.047	0.511	1.858	0.592	93.034	4.222	0.311	0.017	0.030	0.005	0.005	0.003	0.003
02/24/2026	1045.951	0.713	1.841	0.606	90.533	6.404	0.445	0.018	0.033	0.004	0.005	0.002	0.002
02/23/2026	1033.406	0.615	1.860	0.597	92.290	4.793	0.372	0.019	0.034	0.005	0.006	0.003	0.003
02/22/2026	1028.974	0.530	1.977	0.594	92.736	4.366	0.327	0.017	0.032	0.005	0.005	0.002	0.002
02/21/2026	1044.836	0.723	1.862	0.606	90.581	6.342	0.432	0.018	0.031	0.004	0.004	0.002	0.002
02/20/2026	1049.615	0.816	1.490	0.606	90.653	6.516	0.453	0.021	0.036	0.005	0.005	0.002	0.002
02/19/2026	1031.336	0.530	1.804	0.593	92.828	4.453	0.318	0.018	0.033	0.006	0.006	0.002	0.002
02/18/2026	1033.778	0.583	1.762	0.595	92.519	4.717	0.348	0.019	0.034	0.006	0.006	0.003	0.003
02/17/2026	1032.776	0.581	1.845	0.595	92.473	4.672	0.361	0.019	0.034	0.005	0.005	0.002	0.002
02/16/2026	1035.364	0.630	1.696	0.596	92.389	4.837	0.374	0.020	0.036	0.006	0.006	0.002	0.002
02/15/2026	1028.649	0.472	1.964	0.592	92.934	4.247	0.321	0.017	0.030	0.005	0.005	0.003	0.003