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Gas Quality / Gas Quality By Date

Date Requested: Oct 18 2025 3:44 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


10/18/2025	1042.871	0.911	1.398	0.602	91.519	5.712	0.364	0.024	0.052	0.009	0.010	0.000
10/17/2025	1044.156	0.905	1.480	0.604	91.149	6.013	0.369	0.022	0.046	0.008	0.009	0.000
10/16/2025	1044.590	0.892	1.520	0.605	91.032	6.095	0.378	0.022	0.045	0.008	0.008	0.000
10/15/2025	1044.626	0.930	1.459	0.605	91.036	6.143	0.358	0.019	0.040	0.007	0.007	0.000
10/14/2025	1042.007	0.877	1.519	0.603	91.358	5.826	0.341	0.020	0.042	0.007	0.008	0.000
10/13/2025	1037.021	0.758	1.640	0.599	91.951	5.268	0.313	0.018	0.038	0.007	0.007	0.000
10/12/2025	1041.269	0.827	1.549	0.602	91.518	5.668	0.358	0.021	0.044	0.007	0.008	0.000
10/11/2025	1040.369	0.827	1.520	0.601	91.703	5.510	0.362	0.021	0.043	0.007	0.008	0.000
10/10/2025	1047.564	0.883	1.664	0.608	90.374	6.560	0.439	0.021	0.043	0.007	0.007	0.000
10/09/2025	1067.545	0.991	2.323	0.629	86.093	9.780	0.690	0.021	0.040	0.004	0.004	0.055
10/08/2025	1074.942	1.041	2.571	0.637	84.461	11.051	0.738	0.020	0.040	0.004	0.004	0.069
10/07/2025	1077.399	1.027	2.616	0.639	84.213	11.131	0.858	0.026	0.052	0.004	0.004	0.070
10/06/2025	1081.324	1.021	2.717	0.643	83.581	11.472	1.002	0.031	0.062	0.003	0.003	0.107
10/05/2025	1080.188	1.037	2.751	0.643	83.370	11.836	0.832	0.020	0.040	0.003	0.003	0.109
10/04/2025	1078.835	1.053	2.825	0.643	83.273	11.829	0.825	0.020	0.037	0.002	0.002	0.135
10/03/2025	1077.898	1.056	2.809	0.642	83.454	11.683	0.818	0.021	0.038	0.002	0.002	0.118
10/02/2025	1077.898	1.056	2.809	0.642	83.454	11.683	0.818	0.021	0.038	0.002	0.002	0.118
10/01/2025	1077.592	1.054	2.807	0.642	83.499	11.648	0.813	0.020	0.038	0.002	0.002	0.116
09/30/2025	1075.627	1.045	2.786	0.640	83.804	11.444	0.762	0.019	0.036	0.002	0.003	0.097
09/29/2025	1084.281	1.033	2.751	0.645	83.042	12.103	0.917	0.026	0.050	0.003	0.004	0.072
09/28/2025	1051.082	0.866	1.887	0.612	89.522	7.123	0.510	0.023	0.048	0.007	0.008	0.006
09/27/2025	1073.381	1.040	2.402	0.635	85.089	10.611	0.725	0.022	0.045	0.004	0.005	0.056
09/26/2025	1069.646	1.092	1.954	0.628	86.524	9.658	0.660	0.025	0.049	0.006	0.007	0.026
09/25/2025	1068.537	1.017	2.119	0.628	86.396	9.685	0.659	0.023	0.045	0.005	0.005	0.045
09/24/2025	1067.538	0.975	2.289	0.629	86.268	9.674	0.682	0.023	0.044	0.005	0.005	0.035
09/23/2025	1066.688	1.108	2.089	0.628	86.500	9.586	0.613	0.023	0.046	0.005	0.006	0.023
09/22/2025	1078.072	1.083	2.593	0.640	84.004	11.405	0.752	0.026	0.056	0.007	0.008	0.067
09/21/2025	1078.806	1.050	2.699	0.641	83.652	11.637	0.778	0.024	0.050	0.004	0.005	0.100
09/20/2025	1084.222	1.063	2.870	0.647	82.589	12.465	0.851	0.023	0.046	0.003	0.003	0.088
09/19/2025	1081.713	1.022	2.779	0.644	83.111	12.101	0.804	0.021	0.040	0.003	0.003	0.116
09/18/2025	1079.051	0.995	2.646	0.640	83.988	11.258	0.886	0.029	0.059	0.007	0.008	0.125
09/17/2025	1079.309	0.991	2.720	0.641	83.660	11.569	0.853	0.023	0.044	0.003	0.004	0.133
09/16/2025	1084.333	0.974	2.710	0.644	83.121	12.060	0.921	0.024	0.046	0.003	0.003	0.138
09/15/2025	1085.047	0.974	2.701	0.644	83.104	12.051	0.960	0.025	0.047	0.003	0.003	0.132
09/14/2025	1082.270	0.964	2.648	0.642	83.522	11.789	0.878	0.022	0.042	0.003	0.003	0.129
09/13/2025	1078.051	0.988	2.729	0.640	83.774	11.456	0.862	0.019	0.034	0.002	0.002	0.135
09/12/2025	1079.200	0.974	2.669	0.640	83.834	11.448	0.886	0.020	0.035	0.002	0.002	0.131
09/11/2025	1079.064	0.958	2.611	0.639	84.013	11.355	0.866	0.022	0.039	0.002	0.002	0.131
09/10/2025	1082.343	0.979	2.668	0.642	83.445	11.795	0.905	0.023	0.043	0.002	0.002	0.137
09/09/2025	1075.916	0.980	2.556	0.637	84.427	11.067	0.785	0.019	0.036	0.002	0.003	0.124
09/08/2025	1071.628	1.018	2.042	0.629	86.144	9.946	0.716	0.021	0.038	0.003	0.003	0.069
09/07/2025	1070.281	1.011	1.988	0.628	86.463	9.783	0.662	0.019	0.035	0.003	0.003	0.033
09/06/2025	1077.484	0.939	2.442	0.636	84.769	10.922	0.812	0.022	0.040	0.002	0.003	0.048
09/05/2025	1074.420	0.918	2.359	0.633	85.331	10.437	0.793	0.023	0.044	0.003	0.003	0.088
09/04/2025	1073.719	0.924	2.291	0.632	85.552	10.320	0.757	0.023	0.043	0.004	0.004	0.082
09/03/2025	1078.102	0.948	2.330	0.635	84.978	10.861	0.798	0.022	0.042	0.003	0.003	0.016
09/02/2025	1081.195	0.961	2.453	0.639	84.243	11.382	0.842	0.023	0.042	0.003	0.003	0.049
09/01/2025	1075.888	1.035	2.087	0.633	85.450	10.557	0.727	0.021	0.041	0.003	0.004	0.076
08/31/2025	1077.807	0.948	2.412	0.636	84.554	11.182	0.735	0.018	0.034	0.002	0.002	0.112
08/30/2025	1076.983	0.956	2.447	0.636	84.565	11.176	0.705	0.018	0.034	0.002	0.002	0.095
08/29/2025	1080.773	0.950	2.458	0.638	84.162	11.507	0.777	0.020	0.037	0.002	0.002	0.085
08/28/2025	1087.962	0.961	2.480	0.643	83.447	12.117	0.909	0.023	0.045	0.003	0.003	0.012
08/27/2025	1083.469	0.956	2.518	0.641	83.890	11.716	0.844	0.022	0.043	0.003	0.003	0.006
08/26/2025	1079.793	0.954	2.510	0.638	84.207	11.440	0.775	0.019	0.036	0.002	0.002	0.054
08/25/2025	1078.883	0.987	2.597	0.639	84.007	11.523	0.759	0.019	0.036	0.002	0.002	0.068
08/24/2025	1077.124	0.992	2.546	0.638	84.338	11.247	0.752	0.019	0.035	0.002	0.002	0.066
08/23/2025	1078.563	1.004	2.641	0.640	83.954	11.484	0.798	0.019	0.035	0.002	0.002	0.061
08/22/2025	1081.637	0.968	2.572	0.640	83.857	11.740	0.778	0.019	0.037	0.002	0.002	0.023
08/21/2025	1084.566	0.955	2.557	0.642	83.633	11.974	0.814	0.021	0.041	0.002	0.003	0.000
08/20/2025	1085.556	0.959	2.551	0.643	83.552	12.023	0.840	0.024	0.046	0.003	0.003	0.000
08/19/2025	1079.422	0.914	2.515	0.638	84.508	11.177	0.812	0.024	0.045	0.003	0.003	0.000
08/18/2025	1052.785	0.711	2.217	0.614	88.800	7.709	0.513	0.015	0.029	0.003	0.003	0.000
08/17/2025	1056.490	0.773	2.164	0.617	88.379	8.051	0.573	0.018	0.035	0.003	0.004	0.000
08/16/2025	1080.594	0.969	2.495	0.639	84.327	11.270	0.866	0.023	0.043	0.003	0.003	0.000
08/15/2025	1067.985	0.939	2.100	0.626	86.825	9.341	0.719	0.023	0.043	0.004	0.004	0.000
08/14/2025	1068.770	0.941	2.165	0.628	86.534	9.598	0.689	0.022	0.042	0.004	0.004	0.000
08/13/2025	1067.664	0.941	2.200	0.627	86.537	9.606	0.654	0.019	0.036	0.003	0.003	0.000
08/12/2025	1079.010	0.947	2.486	0.638	84.573	11.115	0.790	0.030	0.049	0.005	0.005	0.000
08/11/2025	1071.525	0.912	2.200	0.629	86.206	9.891	0.703	0.030	0.048	0.006	0.005	0.000
08/10/2025	1073.635	0.995	2.316	0.633	85.557	10.253	0.788	0.029	0.051	0.005	0.005	0.000
08/09/2025	1046.456	0.990	1.838	0.611	90.127	6.272	0.680	0.028	0.052	0.006	0.007	0.000
08/08/2025	1046.456	0.990	1.838	0.611	90.127	6.272	0.680	0.028	0.052	0.006	0.007	0.000
08/07/2025	1044.337	0.914	1.705	0.607	90.769	5.946	0.580	0.025	0.048	0.006	0.006	0.000
08/06/2025	1027.781	0.577	1.818	0.592	93.103	4.142	0.314	0.014	0.026	0.004	0.004	0.000
08/05/2025	1022.878	0.482	1.865	0.588	93.772	3.589	0.254	0.011	0.021	0.003	0.003	0.000
08/04/2025	1024.741	0.517	1.805	0.589	93.611	3.756	0.271	0.012	0.022	0.003	0.003	0.000
08/03/2025	1030.507	0.688	1.629	0.593	92.926	4.392	0.318	0.014	0.025	0.003	0.003	0.000
08/02/2025	1023.953	0.549	1.855	0.589	93.490	3.823	0.245	0.011	0.020	0.003	0.003	0.000
08/01/2025	1029.194	0.709	1.704	0.594	92.847	4.400	0.299	0.012	0.022	0.003	0.003	0.000
07/31/2025	1033.120	0.830	1.585	0.597	92.375	4.820	0.349	0.013	0.023	0.003	0.002	0.000
07/30/2025	1033.120	0.830	1.585	0.597	92.375	4.820	0.349	0.013	0.023	0.003	0.002	0.000
07/29/2025	1031.666	0.802	1.598	0.596	92.577	4.655	0.330	0.012	0.021	0.003	0.002	0.000
07/28/2025	1029.375	0.699	1.653	0.593	92.961	4.347	0.299	0.012	0.022	0.003	0.003	0.000
07/27/2025	1034.188	0.739	1.889	0.599	91.825	5.081	0.417	0.015	0.028	0.003	0.003	0.000
07/26/2025	1041.177	0.880	1.897	0.606	90.694	5.949	0.518	0.019	0.035	0.003	0.003	0.000
07/25/2025	1040.722	0.760	2.259	0.608	90.269	6.065	0.578	0.021	0.040	0.004	0.004	0.000
07/24/2025	1031.157	0.652	1.906	0.596	92.312	4.742	0.339	0.015	0.028	0.004	0.003	0.000
07/23/2025	1025.507	0.543	1.865	0.590	93.310	3.968	0.270	0.013	0.024	0.003	0.003	0.000
07/22/2025	1029.636	0.609	1.692	0.592	93.056	4.309	0.290	0.013	0.025	0.004	0.004	0.000
07/21/2025	1036.004	0.811	1.512	0.598	92.260	5.004	0.359	0.016	0.030	0.004	0.004	0.000
07/20/2025	1035.993	0.718	1.855	0.600	91.770	5.164	0.430	0.018	0.035	0.005	0.005	0.000
07/19/2025	1038.647	0.673	2.395	0.607	90.495	5.733	0.627	0.022	0.045	0.005	0.005	0.000
07/18/2025	1033.053	0.650	2.163	0.600	91.561	5.143	0.434	0.015	0.029	0.003	0.003	0.000
07/17/2025	1030.784	0.625	2.077	0.597	92.040	4.846	0.368	0.013	0.025	0.003	0.003	0.000