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Gas Quality / Gas Quality By Date

Date Requested: Dec 11 2025 12:00 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


12/11/2025	1061.120	0.890	2.148	0.622	87.606	8.682	0.594	0.022	0.043	0.005	0.005	0.002	0.002	0.000
12/10/2025	1062.358	0.918	2.115	0.623	87.416	8.907	0.573	0.021	0.039	0.004	0.004	0.001	0.001	0.000
12/09/2025	1059.344	0.899	1.927	0.618	88.253	8.330	0.514	0.021	0.041	0.005	0.006	0.002	0.002	0.000
12/08/2025	1064.844	0.951	2.092	0.624	87.075	9.234	0.577	0.020	0.039	0.004	0.005	0.001	0.001	0.000
12/07/2025	1062.743	0.921	2.126	0.623	87.319	9.005	0.558	0.020	0.038	0.004	0.005	0.002	0.002	0.000
12/06/2025	1065.938	0.914	2.272	0.626	86.518	9.643	0.576	0.017	0.031	0.003	0.003	0.001	0.001	0.023
12/05/2025	1061.656	0.901	2.260	0.623	87.167	9.058	0.555	0.017	0.033	0.003	0.003	0.001	0.001	0.000
12/04/2025	1060.905	0.879	2.251	0.622	87.317	8.953	0.544	0.017	0.032	0.003	0.003	0.001	0.001	0.000
12/03/2025	1057.243	0.885	2.115	0.619	88.099	8.296	0.542	0.018	0.033	0.003	0.004	0.001	0.001	0.003
12/02/2025	1068.789	0.971	2.369	0.630	85.906	9.983	0.681	0.020	0.038	0.003	0.003	0.001	0.001	0.025
12/01/2025	1081.295	1.030	2.642	0.642	83.622	11.697	0.867	0.024	0.044	0.002	0.002	0.000	0.000	0.068
11/30/2025	1084.745	1.038	2.658	0.644	83.161	12.080	0.912	0.026	0.047	0.002	0.002	0.000	0.000	0.073
11/29/2025	1078.008	1.040	2.644	0.640	83.872	11.622	0.716	0.018	0.034	0.002	0.002	0.000	0.000	0.050
11/28/2025	1079.253	1.037	2.666	0.641	83.692	11.722	0.758	0.019	0.037	0.002	0.002	0.000	0.000	0.065
11/27/2025	1080.925	1.048	2.704	0.643	83.437	11.906	0.791	0.021	0.040	0.003	0.003	0.000	0.000	0.048
11/26/2025	1084.430	1.058	2.680	0.645	83.088	12.205	0.837	0.026	0.050	0.003	0.003	0.000	0.000	0.049
11/25/2025	1084.844	1.058	2.684	0.645	83.039	12.222	0.865	0.025	0.049	0.003	0.003	0.000	0.000	0.053
11/24/2025	1085.145	1.054	2.665	0.645	83.073	12.165	0.899	0.026	0.050	0.003	0.003	0.000	0.000	0.064
11/23/2025	1080.179	1.031	2.607	0.641	83.800	11.649	0.782	0.023	0.046	0.003	0.003	0.000	0.000	0.054
11/22/2025	1080.189	1.010	2.610	0.641	83.795	11.647	0.784	0.023	0.046	0.003	0.003	0.000	0.000	0.079
11/21/2025	1085.860	1.056	2.655	0.645	82.947	12.337	0.861	0.025	0.048	0.003	0.003	0.000	0.000	0.066
11/20/2025	1084.532	1.069	2.729	0.646	82.867	12.344	0.835	0.024	0.047	0.003	0.003	0.000	0.000	0.079
11/19/2025	1084.815	1.066	2.719	0.646	82.885	12.312	0.849	0.026	0.052	0.003	0.004	0.000	0.000	0.083
11/18/2025	1084.352	1.054	2.727	0.645	83.061	12.262	0.817	0.024	0.048	0.003	0.003	0.000	0.000	0.001
11/17/2025	1083.340	1.066	2.827	0.646	82.834	12.322	0.824	0.024	0.046	0.002	0.003	0.000	0.000	0.052
11/16/2025	1088.044	1.106	2.910	0.650	82.053	12.908	0.910	0.024	0.047	0.002	0.003	0.000	0.000	0.038
11/15/2025	1084.353	1.094	2.898	0.648	82.571	12.495	0.853	0.024	0.045	0.002	0.002	0.000	0.000	0.015
11/14/2025	1083.223	1.077	2.871	0.646	82.690	12.435	0.808	0.022	0.041	0.002	0.002	0.000	0.000	0.051
11/13/2025	1083.630	1.038	2.729	0.645	83.182	12.136	0.831	0.024	0.046	0.003	0.003	0.000	0.000	0.007
11/12/2025	1083.635	1.033	2.669	0.644	83.364	12.008	0.852	0.024	0.045	0.002	0.002	0.000	0.000	0.001
11/11/2025	1080.354	1.030	2.687	0.642	83.631	11.776	0.785	0.022	0.041	0.002	0.002	0.000	0.000	0.025
11/10/2025	1083.640	1.046	2.728	0.645	83.117	12.179	0.837	0.022	0.041	0.002	0.002	0.000	0.000	0.027
11/09/2025	1086.942	1.044	2.750	0.647	82.691	12.556	0.866	0.023	0.044	0.002	0.002	0.000	0.000	0.020
11/08/2025	1093.147	1.035	2.721	0.650	82.172	12.989	0.988	0.031	0.055	0.003	0.003	0.000	0.000	0.002
11/07/2025	1091.724	1.052	2.809	0.651	82.057	13.047	0.956	0.026	0.048	0.002	0.003	0.000	0.000	0.000
11/06/2025	1088.902	1.048	2.762	0.648	82.487	12.715	0.917	0.023	0.043	0.002	0.002	0.000	0.000	0.000
11/05/2025	1089.129	1.051	2.780	0.649	82.453	12.680	0.966	0.024	0.042	0.002	0.002	0.000	0.000	0.000
11/04/2025	1089.530	1.042	2.744	0.649	82.547	12.598	0.994	0.026	0.046	0.002	0.002	0.000	0.000	0.000
11/03/2025	1090.972	1.043	2.734	0.649	82.428	12.678	1.038	0.027	0.047	0.002	0.002	0.000	0.000	0.000
11/02/2025	1091.832	1.051	2.784	0.651	82.238	12.757	1.085	0.029	0.051	0.002	0.002	0.000	0.000	0.000
11/01/2025	1091.087	1.053	2.765	0.650	82.367	12.670	1.048	0.031	0.060	0.003	0.003	0.000	0.000	0.000
10/31/2025	1085.486	1.057	2.825	0.647	82.767	12.350	0.935	0.022	0.039	0.002	0.002	0.000	0.000	0.000
10/30/2025	1084.593	1.033	2.731	0.645	83.093	12.204	0.876	0.021	0.037	0.002	0.002	0.000	0.000	0.000
10/29/2025	1083.004	1.018	2.691	0.643	83.490	11.810	0.921	0.024	0.042	0.002	0.002	0.000	0.000	0.000
10/28/2025	1083.332	1.009	2.659	0.643	83.601	11.682	0.972	0.026	0.045	0.002	0.002	0.000	0.000	0.001
10/27/2025	1085.016	1.030	2.740	0.645	83.200	11.934	1.012	0.028	0.050	0.002	0.002	0.000	0.000	0.000
10/26/2025	1081.402	1.013	2.704	0.642	83.652	11.671	0.890	0.024	0.043	0.002	0.002	0.000	0.000	0.000
10/25/2025	1077.749	1.002	2.695	0.640	84.033	11.431	0.780	0.019	0.034	0.002	0.002	0.000	0.000	0.001
10/24/2025	1080.278	1.036	2.708	0.642	83.630	11.754	0.815	0.019	0.034	0.002	0.002	0.000	0.000	0.000
10/23/2025	1077.032	1.029	2.719	0.640	84.054	11.320	0.821	0.019	0.035	0.002	0.002	0.000	0.000	0.000
10/22/2025	1078.914	1.045	2.745	0.642	83.690	11.659	0.806	0.018	0.033	0.002	0.002	0.000	0.000	0.000
10/21/2025	1082.391	1.062	2.792	0.645	83.127	12.119	0.843	0.019	0.034	0.002	0.002	0.000	0.000	0.000
10/20/2025	1082.620	1.074	2.849	0.646	82.927	12.262	0.833	0.019	0.033	0.002	0.002	0.000	0.000	0.000
10/19/2025	1086.863	1.084	2.912	0.649	82.285	12.757	0.896	0.021	0.039	0.002	0.002	0.000	0.000	0.001
10/18/2025	1074.025	0.962	2.673	0.637	84.681	10.853	0.755	0.022	0.044	0.004	0.004	0.001	0.001	0.000
10/17/2025	1063.428	0.910	2.443	0.627	86.581	9.364	0.605	0.023	0.050	0.006	0.007	0.001	0.001	0.010
10/16/2025	1063.419	0.970	2.594	0.629	85.945	9.856	0.547	0.017	0.034	0.004	0.004	0.001	0.001	0.028
10/15/2025	1082.250	1.127	3.045	0.648	82.243	12.666	0.775	0.024	0.041	0.003	0.003	0.000	0.000	0.072
10/14/2025	1081.081	1.108	2.987	0.647	82.634	12.247	0.872	0.021	0.041	0.002	0.003	0.000	0.000	0.085
10/13/2025	1081.844	1.097	3.008	0.647	82.430	12.400	0.863	0.023	0.045	0.003	0.003	0.000	0.000	0.128
10/12/2025	1084.255	1.118	3.054	0.650	81.956	12.790	0.870	0.023	0.047	0.003	0.003	0.000	0.000	0.136
10/11/2025	1085.403	1.139	3.019	0.650	81.934	12.943	0.832	0.022	0.044	0.002	0.003	0.000	0.000	0.062
10/10/2025	1083.060	1.103	2.973	0.648	82.514	12.504	0.813	0.023	0.048	0.003	0.003	0.000	0.000	0.015
10/09/2025	1091.217	1.053	2.779	0.650	81.947	13.112	0.925	0.025	0.046	0.003	0.003	0.000	0.000	0.108
10/08/2025	1096.142	1.034	2.771	0.653	81.399	13.664	0.953	0.025	0.044	0.003	0.003	0.000	0.000	0.105
10/07/2025	1089.723	1.113	2.983	0.652	81.612	13.099	0.997	0.026	0.052	0.003	0.003	0.000	0.000	0.111
10/06/2025	1089.975	1.116	2.937	0.652	81.619	13.192	0.944	0.024	0.049	0.003	0.004	0.000	0.000	0.112
10/05/2025	1090.632	1.115	2.973	0.653	81.452	13.275	0.978	0.025	0.048	0.003	0.003	0.000	0.000	0.128
10/04/2025	1087.226	1.097	2.984	0.650	81.756	13.092	0.864	0.021	0.042	0.003	0.003	0.000	0.000	0.138
10/03/2025	1085.174	1.091	3.009	0.649	81.937	12.942	0.823	0.019	0.039	0.002	0.003	0.000	0.000	0.135
10/02/2025	1087.053	1.096	3.044	0.651	81.680	13.086	0.895	0.021	0.040	0.002	0.003	0.000	0.000	0.133
10/01/2025	1083.617	1.067	2.911	0.647	82.448	12.409	0.912	0.023	0.046	0.002	0.003	0.000	0.000	0.178
09/30/2025	1085.548	1.077	2.926	0.648	82.283	12.519	0.967	0.026	0.053	0.003	0.003	0.000	0.000	0.142
09/29/2025	1081.772	1.038	2.806	0.644	83.098	11.892	0.935	0.026	0.052	0.003	0.003	0.000	0.000	0.148
09/28/2025	1081.105	1.060	2.954	0.646	82.496	12.347	0.852	0.018	0.036	0.002	0.002	0.000	0.000	0.233
09/27/2025	1077.379	1.071	2.891	0.643	83.171	11.840	0.801	0.019	0.035	0.002	0.002	0.000	0.000	0.168
09/26/2025	1081.819	1.079	2.935	0.646	82.623	12.355	0.825	0.021	0.042	0.002	0.003	0.000	0.000	0.115
09/25/2025	1085.611	1.071	2.879	0.648	82.382	12.606	0.880	0.024	0.050	0.003	0.003	0.000	0.000	0.101
09/24/2025	1084.371	1.076	2.836	0.647	82.600	12.429	0.875	0.023	0.046	0.003	0.003	0.000	0.000	0.109
09/23/2025	1079.425	1.069	2.718	0.642	83.468	11.783	0.798	0.020	0.041	0.003	0.003	0.000	0.000	0.096
09/22/2025	1079.305	1.060	2.649	0.641	83.602	11.770	0.750	0.020	0.040	0.002	0.003	0.000	0.000	0.103
09/21/2025	1084.363	1.059	2.644	0.644	83.074	12.193	0.861	0.022	0.042	0.002	0.003	0.000	0.000	0.101
09/20/2025	1084.625	1.033	2.666	0.644	82.935	12.352	0.807	0.021	0.043	0.003	0.003	0.000	0.000	0.138
09/19/2025	1080.916	1.038	2.774	0.643	83.241	11.965	0.821	0.021	0.041	0.002	0.003	0.000	0.000	0.094
09/18/2025	1079.784	1.063	2.848	0.644	83.078	12.085	0.762	0.020	0.039	0.002	0.002	0.000	0.000	0.100
09/17/2025	1079.529	1.063	2.874	0.644	83.048	12.078	0.764	0.020	0.041	0.002	0.003	0.000	0.000	0.107
09/16/2025	1084.295	1.079	2.903	0.647	82.427	12.545	0.859	0.023	0.047	0.003	0.003	0.000	0.000	0.112
09/15/2025	1081.498	1.045	2.858	0.645	82.790	12.279	0.799	0.020	0.039	0.002	0.003	0.000	0.000	0.165
09/14/2025	1082.551	1.020	2.836	0.645	82.722	12.288	0.861	0.020	0.036	0.002	0.002	0.000	0.000	0.213
09/13/2025	1084.458	1.030	2.894	0.647	82.409	12.420	0.944	0.024	0.046	0.003	0.003	0.000	0.000	0.226
09/12/2025	1081.875	1.016	2.809	0.644	82.909	12.082	0.889	0.022	0.043	0.002	0.003	0.000	0.000	0.225
09/11/2025	1082.266	0.992	2.747	0.643	83.106	12.005	0.886	0.022	0.042	0.002	0.002	0.000	0.000	0.195
09/10/2025	1082.457	0.975	2.687	0.642	83.275	11.912	0.891	0.022	0.042	0.002	0.003	0.000	0.000	0.191
09/09/2025	1076.143	0.978	2.754	0.639	83.794	11.420	0.801	0.017	0.032	0.002	0.002	0.000	0.000	0.201