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Gas Quality / Gas Quality By Date

Date Requested: Apr 04 2026 12:20 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


04/04/2026	1038.199	0.816	1.436	0.598	92.256	5.019	0.379	0.025	0.043	0.008	0.009	0.004	0.004
04/03/2026	1038.199	0.816	1.436	0.598	92.256	5.019	0.379	0.025	0.043	0.008	0.009	0.004	0.004
04/02/2026	1033.831	0.682	1.686	0.596	92.526	4.654	0.362	0.026	0.040	0.008	0.008	0.004	0.004
04/01/2026	1038.504	0.755	1.565	0.599	92.125	5.028	0.420	0.032	0.047	0.009	0.009	0.005	0.005
03/31/2026	1039.350	0.735	1.591	0.599	92.048	5.066	0.441	0.037	0.052	0.010	0.010	0.005	0.005
03/30/2026	1022.543	0.378	2.289	0.590	93.244	3.701	0.295	0.024	0.039	0.009	0.009	0.005	0.005
03/29/2026	1026.334	0.512	1.920	0.591	93.249	3.952	0.294	0.018	0.033	0.007	0.008	0.004	0.004
03/28/2026	1029.170	0.560	1.774	0.592	93.089	4.216	0.295	0.016	0.031	0.006	0.006	0.003	0.003
03/27/2026	1033.516	0.674	1.543	0.594	92.856	4.520	0.330	0.019	0.036	0.007	0.008	0.003	0.003
03/26/2026	1025.508	0.535	1.881	0.590	93.394	3.828	0.285	0.019	0.036	0.007	0.008	0.004	0.004
03/25/2026	1026.264	0.521	1.859	0.591	93.356	3.915	0.278	0.017	0.033	0.006	0.007	0.004	0.004
03/24/2026	1033.294	0.688	1.529	0.594	92.891	4.485	0.327	0.019	0.037	0.007	0.008	0.004	0.004
03/23/2026	1037.322	0.757	1.415	0.597	92.565	4.797	0.364	0.023	0.048	0.010	0.011	0.005	0.005
03/22/2026	1031.441	0.595	1.787	0.594	92.769	4.426	0.340	0.021	0.039	0.007	0.008	0.004	0.004
03/21/2026	1031.007	0.578	1.782	0.594	92.856	4.377	0.327	0.020	0.037	0.007	0.008	0.004	0.004
03/20/2026	1031.486	0.602	1.806	0.595	92.719	4.434	0.352	0.021	0.040	0.008	0.008	0.004	0.004
03/19/2026	1027.492	0.533	1.942	0.592	93.016	4.128	0.306	0.018	0.035	0.007	0.008	0.004	0.004
03/18/2026	1025.165	0.472	1.962	0.590	93.383	3.827	0.282	0.017	0.033	0.007	0.007	0.004	0.004
03/17/2026	1034.999	0.679	1.468	0.594	92.905	4.491	0.361	0.023	0.045	0.008	0.010	0.005	0.005
03/16/2026	1038.887	0.784	1.362	0.598	92.502	4.822	0.413	0.027	0.055	0.011	0.012	0.006	0.006
03/15/2026	1035.849	0.686	1.557	0.596	92.588	4.697	0.372	0.024	0.047	0.009	0.010	0.005	0.005
03/14/2026	1031.814	0.562	1.810	0.594	92.751	4.442	0.355	0.020	0.038	0.007	0.008	0.004	0.004
03/13/2026	1028.121	0.543	1.849	0.592	93.149	4.056	0.323	0.020	0.038	0.008	0.008	0.003	0.003
03/12/2026	1034.105	0.671	1.503	0.594	92.997	4.344	0.379	0.025	0.050	0.010	0.011	0.005	0.005
03/11/2026	1039.809	0.824	1.209	0.597	92.625	4.824	0.404	0.027	0.056	0.010	0.012	0.005	0.005
03/10/2026	1032.372	0.661	1.472	0.593	93.213	4.243	0.328	0.021	0.041	0.008	0.008	0.003	0.003
03/09/2026	1033.523	0.706	1.505	0.594	92.907	4.452	0.341	0.022	0.043	0.008	0.009	0.003	0.003
03/08/2026	1036.123	0.745	1.393	0.595	92.803	4.581	0.378	0.025	0.049	0.009	0.010	0.004	0.004
03/07/2026	1023.512	0.739	1.836	0.592	93.316	3.714	0.315	0.020	0.039	0.007	0.007	0.003	0.003
03/06/2026	1030.898	0.691	1.726	0.595	92.782	4.358	0.356	0.022	0.043	0.007	0.008	0.004	0.004
03/05/2026	1040.420	0.743	1.407	0.598	92.198	5.169	0.395	0.023	0.044	0.007	0.008	0.003	0.003
03/04/2026	1043.925	0.821	1.152	0.599	92.117	5.450	0.384	0.022	0.038	0.006	0.006	0.003	0.003
03/03/2026	1041.727	0.724	1.496	0.600	91.912	5.332	0.449	0.025	0.044	0.006	0.006	0.003	0.003
03/02/2026	1044.801	0.750	1.300	0.600	91.914	5.497	0.452	0.026	0.043	0.007	0.006	0.003	0.003
03/01/2026	1049.105	0.811	1.078	0.601	91.772	5.778	0.458	0.028	0.050	0.009	0.009	0.004	0.004
02/28/2026	1041.244	0.694	1.544	0.599	91.948	5.276	0.444	0.026	0.046	0.007	0.008	0.004	0.004
02/27/2026	1030.509	0.505	1.911	0.593	92.798	4.358	0.353	0.020	0.035	0.006	0.006	0.004	0.004
02/26/2026	1034.781	0.606	1.717	0.596	92.473	4.759	0.372	0.020	0.035	0.006	0.006	0.003	0.003
02/25/2026	1038.665	0.682	1.616	0.598	92.067	5.156	0.402	0.022	0.037	0.006	0.006	0.003	0.003
02/24/2026	1035.190	0.615	1.779	0.597	92.272	4.871	0.389	0.021	0.036	0.005	0.006	0.003	0.003
02/23/2026	1040.780	0.725	1.645	0.601	91.660	5.452	0.438	0.023	0.039	0.006	0.006	0.003	0.003
02/22/2026	1040.300	0.749	1.690	0.601	91.565	5.480	0.436	0.023	0.040	0.006	0.006	0.003	0.003
02/21/2026	1036.094	0.642	1.837	0.598	92.008	5.011	0.421	0.023	0.040	0.006	0.006	0.003	0.003
02/20/2026	1034.323	0.613	1.804	0.597	92.348	4.765	0.389	0.023	0.038	0.007	0.007	0.003	0.003
02/19/2026	1043.805	0.762	1.306	0.600	91.914	5.552	0.390	0.022	0.038	0.006	0.006	0.002	0.002
02/18/2026	1038.876	0.684	1.541	0.598	92.206	5.094	0.395	0.023	0.038	0.006	0.006	0.003	0.003
02/17/2026	1037.486	0.675	1.823	0.600	91.846	5.107	0.454	0.027	0.045	0.008	0.008	0.004	0.004
02/16/2026	1042.099	0.756	1.697	0.603	91.404	5.542	0.500	0.028	0.048	0.008	0.008	0.004	0.004
02/15/2026	1042.062	0.722	1.688	0.602	91.494	5.502	0.501	0.027	0.046	0.007	0.007	0.003	0.003
02/14/2026	1040.326	0.705	1.648	0.600	91.766	5.356	0.448	0.023	0.039	0.006	0.005	0.003	0.003
02/13/2026	1045.550	0.778	1.512	0.603	91.313	5.797	0.513	0.026	0.043	0.006	0.006	0.003	0.003
02/12/2026	1053.045	0.869	1.374	0.608	90.633	6.356	0.659	0.033	0.055	0.007	0.007	0.003	0.003
02/11/2026	1057.088	0.966	1.328	0.612	90.005	6.925	0.664	0.034	0.056	0.007	0.007	0.004	0.004
02/10/2026	1053.574	0.884	1.362	0.608	90.543	6.467	0.631	0.034	0.059	0.007	0.007	0.003	0.003
02/09/2026	1051.128	0.887	1.366	0.607	90.699	6.427	0.532	0.027	0.046	0.006	0.006	0.003	0.003
02/08/2026	1057.718	0.995	1.259	0.612	89.906	7.165	0.578	0.028	0.047	0.007	0.007	0.004	0.004
02/07/2026	1040.855	0.729	1.624	0.601	91.624	5.570	0.382	0.019	0.032	0.005	0.006	0.004	0.004
02/06/2026	1048.991	0.812	1.546	0.606	90.648	6.454	0.461	0.022	0.037	0.006	0.006	0.004	0.004
02/05/2026	1051.546	0.836	1.503	0.608	90.389	6.704	0.486	0.023	0.038	0.006	0.006	0.004	0.004
02/04/2026	1055.801	0.915	1.458	0.611	89.854	7.118	0.564	0.027	0.043	0.007	0.006	0.004	0.004
02/03/2026	1058.703	0.940	1.430	0.613	89.573	7.316	0.640	0.033	0.048	0.007	0.006	0.004	0.004
02/02/2026	1057.968	0.905	1.435	0.612	89.707	7.248	0.606	0.031	0.046	0.007	0.007	0.004	0.004
02/01/2026	1058.177	0.824	1.610	0.613	89.694	6.980	0.755	0.045	0.062	0.010	0.009	0.006	0.006
01/31/2026	1054.475	0.701	1.752	0.610	90.090	6.646	0.650	0.048	0.071	0.014	0.013	0.007	0.007
01/30/2026	1044.039	0.594	1.843	0.603	91.221	5.732	0.497	0.033	0.051	0.010	0.009	0.005	0.005
01/29/2026	1025.048	0.361	2.250	0.591	92.986	4.052	0.283	0.018	0.028	0.006	0.006	0.005	0.005
01/28/2026	1025.063	0.366	2.056	0.589	93.382	3.880	0.253	0.016	0.025	0.005	0.006	0.006	0.006
01/27/2026	1025.540	0.408	2.085	0.591	93.151	4.031	0.268	0.013	0.024	0.005	0.005	0.005	0.005
01/26/2026	1036.699	0.590	1.911	0.599	91.820	5.233	0.374	0.018	0.033	0.005	0.006	0.005	0.005
01/25/2026	1031.728	0.550	2.005	0.596	92.255	4.811	0.319	0.015	0.027	0.004	0.005	0.004	0.004
01/24/2026	1030.347	0.494	1.950	0.594	92.637	4.582	0.287	0.013	0.022	0.004	0.004	0.003	0.003
01/23/2026	1039.186	0.680	1.480	0.597	92.203	5.253	0.326	0.015	0.027	0.004	0.005	0.003	0.003
01/22/2026	1039.266	0.659	1.677	0.599	91.878	5.319	0.401	0.019	0.032	0.005	0.005	0.003	0.003
01/21/2026	1037.956	0.639	1.759	0.599	91.861	5.304	0.375	0.018	0.029	0.005	0.005	0.003	0.003
01/20/2026	1039.917	0.738	1.426	0.598	92.059	5.410	0.321	0.014	0.022	0.003	0.003	0.002	0.002
01/19/2026	1035.135	0.593	1.907	0.598	92.006	5.048	0.379	0.019	0.032	0.005	0.005	0.002	0.002
01/18/2026	1028.080	0.510	1.992	0.593	92.791	4.366	0.293	0.014	0.023	0.004	0.004	0.002	0.002
01/17/2026	1032.568	0.610	1.722	0.594	92.619	4.696	0.302	0.015	0.024	0.004	0.004	0.002	0.002
01/16/2026	1038.310	0.717	1.467	0.597	92.246	5.194	0.321	0.016	0.026	0.004	0.004	0.002	0.002
01/15/2026	1037.687	0.695	1.484	0.597	92.349	5.090	0.323	0.016	0.029	0.005	0.005	0.002	0.002
01/14/2026	1032.292	0.584	1.716	0.594	92.720	4.643	0.284	0.015	0.025	0.005	0.005	0.002	0.002
01/13/2026	1032.683	0.607	1.692	0.594	92.698	4.646	0.297	0.016	0.028	0.005	0.005	0.002	0.002
01/12/2026	1035.683	0.619	1.628	0.596	92.471	4.886	0.330	0.018	0.031	0.005	0.006	0.003	0.003
01/11/2026	1039.344	0.687	1.535	0.598	92.100	5.241	0.367	0.019	0.033	0.006	0.006	0.003	0.003
01/10/2026	1040.050	0.711	1.452	0.598	92.125	5.292	0.355	0.018	0.032	0.005	0.005	0.002	0.002
01/09/2026	1039.523	0.691	1.586	0.599	91.989	5.264	0.394	0.021	0.037	0.006	0.006	0.003	0.003
01/08/2026	1039.579	0.704	1.587	0.599	91.931	5.328	0.376	0.020	0.036	0.006	0.006	0.003	0.003
01/07/2026	1038.383	0.680	1.597	0.598	92.113	5.164	0.372	0.020	0.035	0.006	0.006	0.003	0.003
01/06/2026	1039.952	0.725	1.563	0.599	91.912	5.327	0.396	0.021	0.038	0.006	0.007	0.003	0.003
01/05/2026	1037.185	0.705	1.814	0.600	91.705	5.318	0.390	0.019	0.032	0.005	0.005	0.002	0.002
01/04/2026	1036.272	0.695	1.836	0.599	91.785	5.240	0.375	0.019	0.033	0.005	0.006	0.002	0.002
01/03/2026	1046.065	0.799	1.686	0.606	90.726	6.251	0.459	0.023	0.039	0.006	0.006	0.003	0.003
01/02/2026	1046.553	0.809	1.661	0.606	90.709	6.269	0.472	0.024	0.041	0.006	0.006	0.002	0.002
01/01/2026	1049.524	0.829	1.687	0.608	90.314	6.535	0.541	0.027	0.048	0.007	0.007	0.003	0.003