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Gas Quality / Gas Quality By Date

Date Requested: Jul 31 2026 3:07 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


07/31/2026	1042.938	0.575	0.396	0.586	94.183	4.691	0.145	0.006	0.004	0.001	0.000	0.000	0.000
07/30/2026	1041.552	0.586	0.438	0.586	94.246	4.570	0.149	0.006	0.004	0.001	0.000	0.000	0.000
07/29/2026	1041.649	0.585	0.462	0.586	94.182	4.610	0.150	0.006	0.004	0.001	0.000	0.000	0.000
07/28/2026	1040.869	0.583	0.450	0.586	94.274	4.571	0.113	0.005	0.003	0.001	0.000	0.000	0.000
07/27/2026	1041.643	0.588	0.428	0.586	94.215	4.644	0.116	0.005	0.003	0.001	0.000	0.000	0.000
07/26/2026	1042.870	0.594	0.434	0.587	94.027	4.819	0.116	0.005	0.003	0.001	0.000	0.000	0.000
07/25/2026	1042.960	0.601	0.422	0.587	94.030	4.818	0.119	0.005	0.003	0.001	0.000	0.000	0.000
07/24/2026	1040.981	0.585	0.422	0.586	94.331	4.530	0.122	0.005	0.004	0.001	0.000	0.000	0.000
07/23/2026	1040.654	0.581	0.433	0.585	94.347	4.518	0.112	0.005	0.003	0.001	0.000	0.000	0.000
07/22/2026	1040.725	0.559	0.435	0.585	94.388	4.494	0.115	0.005	0.004	0.001	0.000	0.000	0.000
07/21/2026	1039.928	0.580	0.446	0.585	94.424	4.421	0.117	0.006	0.005	0.001	0.001	0.000	0.000
07/20/2026	1040.549	0.600	0.428	0.586	94.325	4.526	0.110	0.005	0.003	0.001	0.000	0.000	0.000
07/19/2026	1042.053	0.617	0.430	0.587	94.088	4.745	0.112	0.005	0.003	0.001	0.000	0.000	0.000
07/18/2026	1045.386	0.622	0.429	0.589	93.641	5.188	0.111	0.005	0.003	0.001	0.000	0.000	0.000
07/17/2026	1043.852	0.643	0.428	0.588	93.792	5.018	0.109	0.005	0.003	0.001	0.000	0.000	0.000
07/16/2026	1045.312	0.640	0.435	0.589	93.600	5.201	0.115	0.005	0.003	0.001	0.000	0.000	0.000
07/15/2026	1045.519	0.649	0.411	0.589	93.609	5.208	0.114	0.005	0.003	0.001	0.000	0.000	0.000
07/14/2026	1045.991	0.645	0.422	0.590	93.529	5.279	0.116	0.005	0.003	0.001	0.000	0.000	0.000
07/13/2026	1045.956	0.628	0.419	0.589	93.578	5.253	0.113	0.005	0.003	0.001	0.000	0.000	0.000
07/12/2026	1047.622	0.586	0.417	0.590	93.466	5.409	0.114	0.005	0.003	0.001	0.000	0.000	0.000
07/11/2026	1047.825	0.550	0.426	0.589	93.555	5.307	0.145	0.009	0.007	0.001	0.001	0.000	0.000
07/10/2026	1046.254	0.572	0.445	0.589	93.707	5.075	0.176	0.011	0.010	0.002	0.001	0.000	0.000
07/09/2026	1045.127	0.603	0.439	0.589	93.802	4.952	0.178	0.012	0.011	0.002	0.001	0.000	0.000
07/08/2026	1049.491	0.626	0.461	0.592	93.251	5.361	0.249	0.021	0.022	0.004	0.003	0.001	0.001
07/07/2026	1055.907	0.617	0.470	0.596	92.752	5.603	0.436	0.046	0.052	0.010	0.007	0.002	0.002
07/06/2026	1048.122	0.592	0.453	0.591	93.370	5.407	0.162	0.008	0.007	0.001	0.001	0.000	0.000
07/05/2026	1048.953	0.609	0.447	0.591	93.224	5.550	0.155	0.008	0.006	0.001	0.001	0.000	0.000
07/04/2026	1049.387	0.612	0.445	0.592	93.157	5.622	0.149	0.007	0.005	0.001	0.001	0.000	0.000
07/03/2026	1050.331	0.616	0.441	0.592	93.019	5.773	0.139	0.006	0.004	0.001	0.000	0.000	0.000
07/02/2026	1051.239	0.616	0.438	0.593	92.901	5.899	0.135	0.006	0.004	0.001	0.000	0.000	0.000
07/01/2026	1051.182	0.618	0.441	0.593	92.891	5.907	0.132	0.006	0.004	0.001	0.000	0.000	0.000
06/30/2026	1050.776	0.620	0.445	0.593	92.927	5.868	0.130	0.005	0.004	0.001	0.000	0.000	0.000
06/29/2026	1050.264	0.623	0.451	0.592	92.970	5.818	0.128	0.005	0.003	0.001	0.000	0.000	0.000
06/28/2026	1049.441	0.627	0.459	0.592	93.047	5.733	0.125	0.005	0.003	0.001	0.000	0.000	0.000
06/27/2026	1048.764	0.628	0.471	0.592	93.104	5.663	0.124	0.005	0.003	0.001	0.000	0.000	0.000
06/26/2026	1048.166	0.626	0.469	0.591	93.189	5.585	0.121	0.005	0.003	0.001	0.000	0.000	0.000
06/25/2026	1047.938	0.624	0.467	0.591	93.224	5.555	0.120	0.005	0.003	0.001	0.000	0.000	0.000
06/24/2026	1047.924	0.625	0.476	0.591	93.212	5.554	0.124	0.006	0.004	0.001	0.000	0.000	0.000
06/23/2026	1048.403	0.620	0.489	0.592	93.180	5.536	0.154	0.009	0.008	0.002	0.001	0.000	0.000
06/22/2026	1047.828	0.619	0.477	0.591	93.258	5.494	0.137	0.007	0.006	0.001	0.000	0.000	0.000
06/21/2026	1047.460	0.622	0.469	0.591	93.287	5.495	0.118	0.005	0.003	0.001	0.000	0.000	0.000
06/20/2026	1047.294	0.613	0.470	0.591	93.333	5.452	0.123	0.005	0.003	0.001	0.000	0.000	0.000
06/19/2026	1046.610	0.599	0.468	0.590	93.466	5.326	0.130	0.006	0.004	0.001	0.000	0.000	0.000
06/18/2026	1046.843	0.607	0.461	0.590	93.460	5.314	0.144	0.008	0.006	0.001	0.001	0.000	0.000
06/17/2026	1047.633	0.613	0.464	0.591	93.317	5.461	0.132	0.006	0.005	0.001	0.000	0.000	0.000
06/16/2026	1048.943	0.637	0.549	0.593	92.916	5.730	0.155	0.006	0.005	0.001	0.000	0.000	0.000
06/15/2026	1049.148	0.639	0.556	0.593	92.871	5.762	0.157	0.007	0.006	0.001	0.000	0.000	0.000
06/14/2026	1047.305	0.621	0.464	0.591	93.317	5.473	0.116	0.005	0.003	0.001	0.000	0.000	0.000
06/13/2026	1047.319	0.621	0.465	0.591	93.313	5.476	0.116	0.005	0.003	0.001	0.000	0.000	0.000
06/12/2026	1047.215	0.621	0.466	0.591	93.323	5.466	0.115	0.005	0.003	0.001	0.000	0.000	0.000
06/11/2026	1047.114	0.621	0.462	0.591	93.345	5.450	0.113	0.005	0.003	0.001	0.000	0.000	0.000
06/10/2026	1046.881	0.622	0.461	0.590	93.372	5.426	0.111	0.005	0.003	0.001	0.000	0.000	0.000
06/09/2026	1046.934	0.651	0.438	0.591	93.351	5.440	0.111	0.005	0.003	0.001	0.000	0.000	0.000
06/08/2026	1048.978	0.643	0.427	0.592	93.138	5.665	0.118	0.005	0.003	0.001	0.000	0.000	0.000
06/07/2026	1048.039	0.635	0.418	0.591	93.295	5.530	0.114	0.005	0.003	0.001	0.000	0.000	0.000
06/06/2026	1049.171	0.633	0.413	0.592	93.164	5.666	0.116	0.004	0.003	0.001	0.000	0.000	0.000
06/05/2026	1050.869	0.622	0.427	0.593	92.939	5.885	0.118	0.005	0.003	0.001	0.000	0.000	0.000
06/04/2026	1050.532	0.625	0.420	0.592	92.991	5.838	0.116	0.005	0.003	0.001	0.000	0.000	0.000
06/03/2026	1050.352	0.606	0.405	0.592	93.100	5.758	0.122	0.005	0.003	0.001	0.000	0.000	0.000
06/02/2026	1049.992	0.612	0.432	0.592	93.075	5.744	0.127	0.005	0.003	0.001	0.000	0.000	0.000
06/01/2026	1049.367	0.614	0.415	0.591	93.182	5.663	0.119	0.004	0.003	0.001	0.000	0.000	0.000
05/31/2026	1049.338	0.612	0.401	0.591	93.218	5.645	0.117	0.004	0.003	0.001	0.000	0.000	0.000
05/30/2026	1049.367	0.613	0.402	0.591	93.211	5.651	0.116	0.004	0.003	0.001	0.000	0.000	0.000
05/29/2026	1049.191	0.620	0.405	0.591	93.212	5.640	0.117	0.004	0.003	0.001	0.000	0.000	0.000
05/28/2026	1048.189	0.622	0.412	0.591	93.313	5.534	0.112	0.004	0.002	0.000	0.000	0.000	0.000
05/27/2026	1048.658	0.628	0.420	0.591	93.221	5.610	0.113	0.004	0.003	0.001	0.000	0.000	0.000
05/26/2026	1047.589	0.621	0.438	0.591	93.334	5.491	0.109	0.004	0.003	0.001	0.000	0.000	0.000
05/25/2026	1048.298	0.600	0.426	0.591	93.329	5.517	0.120	0.005	0.003	0.001	0.000	0.000	0.000
05/24/2026	1050.293	0.589	0.399	0.591	93.176	5.691	0.137	0.005	0.003	0.001	0.000	0.000	0.000
05/23/2026	1048.370	0.592	0.401	0.590	93.405	5.467	0.126	0.005	0.003	0.001	0.000	0.000	0.000
05/22/2026	1045.132	0.582	0.424	0.588	93.774	5.107	0.106	0.005	0.003	0.001	0.000	0.000	0.000
05/21/2026	1047.706	0.577	0.411	0.590	93.495	5.387	0.121	0.005	0.003	0.001	0.000	0.000	0.000
05/20/2026	1048.886	0.563	0.393	0.590	93.415	5.503	0.117	0.005	0.003	0.001	0.000	0.000	0.000
05/19/2026	1047.880	0.552	0.384	0.589	93.582	5.362	0.110	0.005	0.003	0.001	0.000	0.000	0.000
05/18/2026	1049.348	0.579	0.390	0.591	93.327	5.576	0.118	0.005	0.004	0.001	0.000	0.000	0.000
05/17/2026	1050.778	0.577	0.385	0.591	93.160	5.745	0.124	0.005	0.003	0.001	0.000	0.000	0.000
05/16/2026	1050.089	0.592	0.388	0.591	93.281	5.539	0.184	0.008	0.006	0.001	0.000	0.000	0.000
05/15/2026	1051.072	0.593	0.387	0.592	93.161	5.648	0.196	0.008	0.006	0.001	0.000	0.000	0.000
05/14/2026	1050.863	0.577	0.383	0.591	93.244	5.577	0.201	0.009	0.007	0.001	0.001	0.000	0.000
05/13/2026	1050.630	0.582	0.374	0.591	93.291	5.537	0.196	0.010	0.008	0.002	0.001	0.000	0.000
05/12/2026	1048.911	0.598	0.382	0.590	93.363	5.527	0.121	0.005	0.004	0.001	0.000	0.000	0.000
05/11/2026	1049.669	0.605	0.378	0.591	93.241	5.654	0.113	0.005	0.003	0.001	0.000	0.000	0.000
05/10/2026	1048.249	0.581	0.389	0.590	93.454	5.458	0.109	0.005	0.003	0.001	0.000	0.000	0.000
05/09/2026	1049.316	0.555	0.367	0.590	93.428	5.532	0.111	0.004	0.003	0.001	0.000	0.000	0.000
05/08/2026	1047.885	0.570	0.378	0.589	93.548	5.392	0.105	0.004	0.003	0.001	0.000	0.000	0.000
05/07/2026	1046.251	0.614	0.404	0.589	93.593	5.283	0.099	0.004	0.003	0.001	0.000	0.000	0.000
05/06/2026	1046.804	0.639	0.402	0.590	93.476	5.370	0.105	0.005	0.003	0.001	0.000	0.000	0.000
05/05/2026	1044.444	0.635	0.406	0.588	93.793	5.041	0.117	0.005	0.003	0.001	0.000	0.000	0.000
05/04/2026	1044.201	0.617	0.413	0.588	93.862	4.973	0.126	0.005	0.003	0.001	0.000	0.000	0.000
05/03/2026	1045.422	0.608	0.407	0.589	93.788	5.018	0.165	0.007	0.005	0.001	0.001	0.000	0.000
05/02/2026	1052.111	0.685	0.841	0.599	91.833	6.370	0.244	0.009	0.013	0.002	0.002	0.000	0.000
05/01/2026	1059.754	0.848	1.738	0.616	88.677	8.205	0.469	0.018	0.033	0.004	0.005	0.001	0.001
04/30/2026	1055.977	0.832	1.383	0.609	89.996	7.296	0.430	0.018	0.033	0.005	0.005	0.001	0.001
04/29/2026	1055.886	0.751	1.123	0.605	90.651	7.094	0.344	0.012	0.019	0.002	0.002	0.000	0.000