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Gas Quality / Gas Quality By Date

Date Requested: May 21 2026 5:44 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


05/21/2026	1019.873	0.470	1.546	0.582	95.013	2.629	0.278	0.016	0.032	0.005	0.005	0.000
05/20/2026	1024.814	0.458	1.928	0.589	93.667	3.474	0.388	0.021	0.043	0.007	0.007	0.000
05/19/2026	1029.775	0.487	2.083	0.595	92.713	4.161	0.444	0.027	0.056	0.009	0.010	0.000
05/18/2026	1031.535	0.514	2.130	0.597	92.397	4.340	0.489	0.032	0.065	0.010	0.012	0.000
05/17/2026	1038.375	0.659	1.862	0.600	91.852	4.951	0.528	0.035	0.072	0.012	0.013	0.005
05/16/2026	1038.066	0.644	1.898	0.600	91.866	4.910	0.535	0.036	0.074	0.012	0.014	0.000
05/15/2026	1047.520	0.629	1.930	0.607	91.072	5.249	0.921	0.057	0.107	0.012	0.012	0.000
05/14/2026	1036.657	0.539	2.039	0.599	91.947	4.782	0.566	0.034	0.065	0.009	0.010	0.000
05/13/2026	1035.576	0.590	2.112	0.600	91.821	4.788	0.548	0.035	0.072	0.012	0.013	0.000
05/12/2026	1033.042	0.552	1.883	0.596	92.572	4.443	0.452	0.026	0.049	0.008	0.008	0.000
05/11/2026	1035.511	0.582	1.841	0.597	92.319	4.670	0.489	0.027	0.050	0.007	0.008	0.000
05/10/2026	1039.073	0.648	1.916	0.601	91.653	5.109	0.547	0.032	0.064	0.010	0.011	0.000
05/09/2026	1036.228	0.570	1.972	0.599	91.995	4.857	0.492	0.028	0.057	0.009	0.010	0.000
05/08/2026	1032.009	0.527	2.082	0.597	92.336	4.484	0.461	0.027	0.054	0.009	0.009	0.002
05/07/2026	1039.011	0.621	1.967	0.601	91.746	4.896	0.603	0.042	0.085	0.014	0.015	0.000
05/06/2026	1051.126	0.743	1.736	0.609	90.741	5.746	0.814	0.058	0.115	0.017	0.017	0.000
05/05/2026	1046.685	0.675	1.818	0.606	91.193	5.360	0.749	0.053	0.106	0.016	0.017	0.000
05/04/2026	1046.937	0.675	1.835	0.606	91.105	5.427	0.767	0.052	0.100	0.014	0.015	0.000
05/03/2026	1047.440	0.712	1.760	0.606	91.092	5.509	0.743	0.049	0.096	0.014	0.014	0.000
05/02/2026	1046.520	0.760	1.814	0.607	90.870	5.725	0.663	0.043	0.085	0.014	0.015	0.000
05/01/2026	1038.966	0.626	2.307	0.605	91.095	5.156	0.606	0.045	0.092	0.020	0.023	0.000
04/30/2026	1045.001	0.719	2.166	0.609	90.404	5.832	0.699	0.046	0.088	0.015	0.016	0.000
04/29/2026	1046.273	0.805	1.713	0.606	90.943	5.793	0.587	0.038	0.080	0.014	0.015	0.000
04/28/2026	1047.376	0.792	1.834	0.608	90.717	5.809	0.660	0.041	0.086	0.014	0.016	0.000
04/27/2026	1038.607	0.580	3.555	0.617	89.334	5.162	0.875	0.105	0.207	0.052	0.060	0.000
04/26/2026	1043.665	0.726	1.893	0.605	90.903	5.678	0.581	0.037	0.079	0.013	0.014	0.064
04/25/2026	1046.051	0.913	1.477	0.605	91.150	5.806	0.512	0.033	0.073	0.013	0.014	0.000
04/24/2026	1047.806	0.966	1.339	0.606	91.126	5.909	0.514	0.034	0.074	0.013	0.014	0.000
04/23/2026	1061.190	1.266	0.891	0.614	89.899	7.167	0.594	0.041	0.093	0.017	0.019	0.000
04/22/2026	1050.333	0.972	1.354	0.608	90.838	6.120	0.553	0.037	0.082	0.015	0.017	0.000
04/21/2026	1052.889	1.082	1.155	0.609	90.675	6.408	0.517	0.037	0.082	0.015	0.017	0.000
04/20/2026	1048.974	0.999	1.314	0.607	90.912	6.149	0.490	0.032	0.069	0.012	0.014	0.000
04/19/2026	1054.531	1.092	1.133	0.610	90.505	6.564	0.547	0.037	0.082	0.014	0.016	0.000
04/18/2026	1047.847	0.934	1.468	0.607	91.009	5.853	0.563	0.040	0.088	0.016	0.017	0.000
04/17/2026	1032.490	0.569	2.159	0.598	91.987	4.754	0.415	0.027	0.054	0.010	0.011	0.000
04/16/2026	1048.422	0.987	1.338	0.607	91.020	6.003	0.493	0.035	0.078	0.015	0.017	0.000
04/15/2026	1061.440	1.270	0.866	0.614	89.938	7.148	0.580	0.043	0.098	0.019	0.021	0.000
04/14/2026	1049.597	0.983	1.291	0.607	90.986	6.094	0.481	0.036	0.081	0.015	0.018	0.000
04/13/2026	1052.215	1.045	1.143	0.608	90.877	6.260	0.510	0.036	0.081	0.015	0.018	0.000
04/12/2026	1051.609	1.057	1.145	0.608	90.873	6.287	0.484	0.034	0.075	0.014	0.016	0.000
04/11/2026	1048.831	0.997	1.228	0.606	91.070	6.144	0.433	0.028	0.062	0.012	0.013	0.000
04/10/2026	1050.636	1.047	1.219	0.608	90.829	6.281	0.477	0.032	0.072	0.014	0.016	0.000
04/09/2026	1044.909	0.952	1.267	0.603	91.591	5.637	0.425	0.028	0.062	0.012	0.014	0.000
04/08/2026	1035.632	0.735	1.606	0.597	92.334	4.898	0.336	0.021	0.043	0.008	0.009	0.000
04/07/2026	1047.461	1.020	1.213	0.605	91.228	5.982	0.428	0.029	0.063	0.012	0.014	0.000
04/06/2026	1047.534	0.975	1.254	0.605	91.254	5.933	0.450	0.031	0.068	0.012	0.014	0.000
04/05/2026	1047.472	0.972	1.262	0.605	91.253	5.927	0.452	0.031	0.068	0.012	0.014	0.000
04/04/2026	1049.455	1.016	1.153	0.606	91.184	6.025	0.483	0.033	0.070	0.013	0.014	0.000
04/03/2026	1043.240	0.947	1.221	0.601	91.896	5.392	0.420	0.028	0.059	0.011	0.013	0.002
04/02/2026	1043.215	0.956	1.216	0.601	91.832	5.459	0.414	0.027	0.052	0.010	0.011	0.014
04/01/2026	1038.591	0.772	1.532	0.599	92.121	5.068	0.408	0.028	0.044	0.009	0.009	0.000
03/31/2026	1038.558	0.762	1.568	0.599	92.082	5.067	0.417	0.030	0.046	0.009	0.009	0.000
03/30/2026	1036.713	0.682	1.690	0.598	92.247	4.851	0.417	0.034	0.049	0.010	0.010	0.000
03/29/2026	1021.816	0.361	2.377	0.591	93.178	3.699	0.292	0.024	0.040	0.010	0.010	0.000
03/28/2026	1031.346	0.628	1.697	0.594	92.906	4.353	0.333	0.019	0.039	0.008	0.009	0.000
03/27/2026	1039.422	0.821	1.255	0.597	92.484	4.979	0.373	0.021	0.042	0.008	0.009	0.000
03/26/2026	1037.023	0.774	1.356	0.596	92.643	4.787	0.357	0.020	0.040	0.008	0.008	0.000
03/25/2026	1032.975	0.690	1.600	0.595	92.791	4.492	0.340	0.021	0.042	0.008	0.009	0.000
03/24/2026	1028.718	0.599	1.729	0.592	93.210	4.078	0.303	0.019	0.038	0.008	0.008	0.000
03/23/2026	1039.521	0.839	1.228	0.597	92.510	4.964	0.363	0.021	0.045	0.009	0.010	0.000
03/22/2026	1035.236	0.708	1.554	0.596	92.604	4.679	0.359	0.022	0.046	0.009	0.010	0.000
03/21/2026	1031.709	0.605	1.781	0.594	92.724	4.467	0.341	0.020	0.040	0.007	0.008	0.000
03/20/2026	1031.139	0.587	1.786	0.594	92.810	4.410	0.328	0.019	0.038	0.007	0.008	0.000
03/19/2026	1030.432	0.592	1.868	0.594	92.720	4.393	0.343	0.020	0.040	0.008	0.008	0.000
03/18/2026	1028.154	0.545	1.904	0.593	92.995	4.173	0.308	0.018	0.036	0.007	0.008	0.000
03/17/2026	1028.463	0.553	1.798	0.592	93.186	4.074	0.310	0.018	0.038	0.007	0.008	0.000
03/16/2026	1042.629	0.870	1.111	0.599	92.414	5.057	0.432	0.027	0.057	0.011	0.012	0.000
03/15/2026	1040.399	0.817	1.327	0.599	92.311	5.014	0.416	0.026	0.056	0.010	0.012	0.000
03/14/2026	1031.243	0.578	1.799	0.594	92.815	4.379	0.343	0.020	0.042	0.008	0.008	0.000
03/13/2026	1032.108	0.586	1.782	0.594	92.716	4.484	0.352	0.019	0.038	0.007	0.008	0.000
03/12/2026	1024.843	0.491	1.946	0.590	93.440	3.750	0.298	0.018	0.037	0.007	0.008	0.000
03/11/2026	1034.872	0.705	1.466	0.595	92.912	4.430	0.380	0.024	0.052	0.010	0.011	0.000
03/10/2026	1038.782	0.811	1.203	0.596	92.764	4.728	0.388	0.025	0.053	0.010	0.011	0.000
03/09/2026	1030.614	0.639	1.587	0.592	93.208	4.168	0.317	0.019	0.040	0.007	0.008	0.000
03/08/2026	1035.887	0.749	1.433	0.596	92.700	4.661	0.363	0.022	0.046	0.009	0.009	0.000
03/07/2026	1037.130	0.748	1.363	0.596	92.761	4.632	0.391	0.025	0.053	0.009	0.010	0.000
03/06/2026	1032.125	0.618	1.725	0.594	92.809	4.393	0.362	0.022	0.046	0.008	0.009	0.000
03/05/2026	1036.279	0.675	1.644	0.597	92.371	4.812	0.401	0.024	0.048	0.008	0.009	0.000
03/04/2026	1040.343	0.763	1.391	0.598	92.206	5.158	0.390	0.023	0.046	0.008	0.009	0.000
03/03/2026	1044.359	0.853	1.084	0.599	92.124	5.491	0.374	0.020	0.037	0.006	0.006	0.000
03/02/2026	1040.585	0.684	1.623	0.600	91.884	5.252	0.466	0.025	0.046	0.007	0.006	0.000
03/01/2026	1051.643	0.874	0.931	0.603	91.626	6.006	0.467	0.027	0.048	0.008	0.008	0.000
02/28/2026	1041.448	0.717	1.418	0.599	92.125	5.235	0.414	0.024	0.044	0.007	0.007	0.000
02/27/2026	1045.174	0.776	1.426	0.602	91.576	5.647	0.470	0.027	0.052	0.009	0.009	0.000
02/26/2026	1038.440	0.661	1.680	0.599	92.044	5.090	0.441	0.023	0.042	0.006	0.006	0.000
02/25/2026	1038.239	0.702	1.594	0.598	92.134	5.086	0.405	0.021	0.038	0.006	0.006	0.000
02/24/2026	1038.818	0.688	1.664	0.599	91.944	5.204	0.420	0.022	0.040	0.006	0.006	0.000
02/23/2026	1037.253	0.671	1.685	0.598	92.097	5.076	0.398	0.020	0.036	0.005	0.005	0.000
02/22/2026	1042.803	0.784	1.638	0.603	91.313	5.714	0.467	0.024	0.042	0.006	0.006	0.000
02/21/2026	1040.410	0.749	1.699	0.601	91.539	5.487	0.442	0.023	0.042	0.006	0.006	0.000
02/20/2026	1036.808	0.672	1.817	0.599	91.919	5.064	0.441	0.024	0.043	0.007	0.007	0.000
02/19/2026	1039.984	0.730	1.582	0.600	91.920	5.243	0.437	0.025	0.044	0.007	0.007	0.000
02/18/2026	1044.687	0.786	1.261	0.600	91.835	5.659	0.384	0.021	0.038	0.006	0.006	0.000
02/17/2026	1039.099	0.696	1.568	0.598	92.098	5.151	0.405	0.022	0.040	0.006	0.006	0.000