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Gas Quality By Date / Gas Quality By ID

Date Requested: May 17 2026 4:39 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 by ID information for the current Gas Day is updated for all location ID's after 11:00 a.m.

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


05/17/2026	989.398	0.025	3.700	0.579	94.595	1.673	0.006	0.000	0.000
05/16/2026	989.665	0.024	3.766	0.579	94.407	1.798	0.005	0.000	0.000
05/15/2026	989.947	0.024	3.777	0.580	94.345	1.849	0.004	0.000	0.000
05/14/2026	989.531	0.023	3.804	0.580	94.337	1.832	0.003	0.000	0.000
05/13/2026	991.700	0.026	3.800	0.581	94.059	2.111	0.004	0.000	0.000
05/12/2026	993.218	0.027	3.800	0.582	93.860	2.309	0.004	0.000	0.000
05/11/2026	996.001	0.023	3.772	0.583	93.571	2.628	0.005	0.000	0.000
05/10/2026	994.055	0.023	3.769	0.582	93.832	2.372	0.005	0.000	0.000
05/09/2026	987.803	0.019	3.793	0.578	94.600	1.585	0.004	0.000	0.000
05/08/2026	985.892	0.018	3.823	0.577	94.779	1.377	0.003	0.000	0.000
05/07/2026	981.101	0.020	3.850	0.575	95.335	0.792	0.002	0.000	0.000
05/06/2026	980.219	0.019	3.840	0.574	95.478	0.661	0.003	0.000	0.000
05/05/2026	980.192	0.019	3.853	0.574	95.450	0.676	0.002	0.000	0.000
05/04/2026	980.947	0.021	3.801	0.574	95.470	0.704	0.004	0.000	0.000
05/03/2026	982.566	0.022	3.759	0.575	95.355	0.858	0.006	0.000	0.000
05/02/2026	982.989	0.023	3.803	0.576	95.196	0.974	0.004	0.000	0.000
05/01/2026	982.945	0.022	3.849	0.576	95.095	1.032	0.003	0.000	0.000
04/30/2026	983.867	0.021	3.831	0.576	95.019	1.126	0.003	0.000	0.000
04/29/2026	982.414	0.020	3.834	0.575	95.202	0.941	0.003	0.000	0.000
04/28/2026	982.171	0.021	3.814	0.575	95.279	0.882	0.004	0.000	0.000
04/27/2026	981.181	0.020	3.826	0.575	95.381	0.769	0.003	0.000	0.000
04/26/2026	980.945	0.022	3.818	0.574	95.426	0.730	0.003	0.000	0.000
04/25/2026	981.967	0.028	3.746	0.574	95.450	0.771	0.006	0.000	0.000
04/24/2026	985.042	0.035	3.506	0.574	95.601	0.843	0.015	0.000	0.000
04/23/2026	990.561	0.043	3.146	0.574	95.716	1.063	0.031	0.000	0.001
04/22/2026	993.599	0.048	2.974	0.574	95.716	1.221	0.039	0.000	0.001
04/21/2026	993.375	0.046	3.020	0.574	95.641	1.253	0.038	0.000	0.001
04/20/2026	991.911	0.041	3.183	0.575	95.461	1.283	0.032	0.000	0.001
04/19/2026	988.802	0.031	3.464	0.576	95.222	1.262	0.020	0.000	0.000
04/18/2026	987.183	0.024	3.678	0.577	94.945	1.342	0.012	0.000	0.000
04/17/2026	988.307	0.025	3.602	0.577	94.973	1.385	0.015	0.000	0.000
04/16/2026	991.518	0.033	3.242	0.575	95.390	1.308	0.028	0.000	0.001
04/15/2026	992.575	0.036	3.047	0.574	95.702	1.181	0.033	0.000	0.001
04/14/2026	992.911	0.035	2.978	0.573	95.822	1.129	0.034	0.000	0.001
04/13/2026	992.432	0.032	3.005	0.573	95.827	1.103	0.032	0.000	0.001
04/12/2026	991.101	0.027	3.080	0.573	95.833	1.031	0.028	0.000	0.001
04/11/2026	989.606	0.023	3.169	0.573	95.826	0.956	0.024	0.000	0.001
04/10/2026	988.466	0.021	3.238	0.573	95.816	0.903	0.021	0.000	0.001
04/09/2026	986.597	0.018	3.355	0.573	95.789	0.819	0.018	0.000	0.000
04/08/2026	984.065	0.016	3.516	0.573	95.747	0.708	0.013	0.000	0.000
04/07/2026	980.116	0.012	3.762	0.573	95.691	0.529	0.006	0.000	0.000
04/06/2026	980.621	0.013	3.742	0.573	95.670	0.568	0.006	0.000	0.000
04/05/2026	981.969	0.015	3.680	0.573	95.635	0.661	0.008	0.000	0.000
04/04/2026	981.278	0.015	3.732	0.574	95.603	0.643	0.007	0.000	0.000
04/03/2026	983.942	0.016	3.566	0.573	95.643	0.763	0.011	0.000	0.000
04/02/2026	981.262	0.014	3.761	0.574	95.540	0.680	0.005	0.000	0.000
04/01/2026	982.314	0.014	3.683	0.574	95.585	0.710	0.007	0.000	0.000
03/31/2026	985.678	0.019	3.441	0.573	95.705	0.819	0.015	0.000	0.000
03/30/2026	990.896	0.025	3.096	0.573	95.829	1.023	0.026	0.000	0.001
03/29/2026	990.690	0.024	3.121	0.573	95.798	1.030	0.026	0.000	0.001
03/28/2026	986.804	0.019	3.425	0.574	95.599	0.939	0.017	0.000	0.001
03/27/2026	985.223	0.019	3.503	0.574	95.622	0.841	0.015	0.000	0.001
03/26/2026	989.051	0.026	3.190	0.573	95.844	0.913	0.025	0.000	0.001
03/25/2026	988.837	0.026	3.201	0.573	95.847	0.899	0.025	0.000	0.001
03/24/2026	990.132	0.028	3.128	0.573	95.845	0.970	0.027	0.000	0.002
03/23/2026	992.234	0.031	3.002	0.573	95.863	1.070	0.031	0.000	0.002
03/22/2026	991.951	0.031	3.022	0.573	95.853	1.062	0.030	0.000	0.002
03/21/2026	990.982	0.030	3.104	0.573	95.788	1.049	0.028	0.000	0.001
03/20/2026	990.215	0.028	3.131	0.573	95.828	0.985	0.027	0.000	0.001
03/19/2026	988.644	0.025	3.212	0.573	95.848	0.889	0.024	0.000	0.001
03/18/2026	986.632	0.022	3.338	0.573	95.818	0.800	0.020	0.000	0.001
03/17/2026	987.699	0.025	3.317	0.573	95.726	0.911	0.021	0.000	0.001
03/16/2026	983.844	0.020	3.579	0.574	95.620	0.768	0.013	0.000	0.000
03/15/2026	985.022	0.024	3.441	0.573	95.781	0.738	0.016	0.000	0.000
03/14/2026	990.180	0.036	3.086	0.573	95.919	0.932	0.027	0.000	0.001
03/13/2026	988.949	0.042	3.157	0.573	95.896	0.880	0.024	0.000	0.000
03/12/2026	982.256	0.070	3.565	0.573	95.744	0.609	0.013	0.000	0.000
03/11/2026	979.037	0.080	3.748	0.573	95.709	0.455	0.008	0.000	0.000
03/10/2026	982.241	0.026	3.590	0.573	95.790	0.581	0.013	0.000	0.000
03/09/2026	985.271	0.025	3.405	0.573	95.832	0.719	0.019	0.000	0.000
03/08/2026	983.129	0.022	3.547	0.573	95.783	0.632	0.015	0.000	0.000
03/07/2026	983.781	0.023	3.519	0.573	95.763	0.677	0.017	0.000	0.000
03/06/2026	981.188	0.021	3.693	0.573	95.698	0.576	0.012	0.000	0.000
03/05/2026	978.271	0.016	3.886	0.573	95.635	0.456	0.007	0.000	0.000
03/04/2026	976.348	0.016	4.011	0.573	95.590	0.380	0.003	0.000	0.000
03/03/2026	976.117	0.018	4.017	0.573	95.601	0.361	0.003	0.000	0.000
03/02/2026	976.556	0.021	3.993	0.573	95.597	0.385	0.005	0.000	0.000
03/01/2026	978.520	0.032	3.857	0.573	95.638	0.462	0.012	0.000	0.000
02/28/2026	982.348	0.039	3.638	0.574	95.644	0.656	0.023	0.000	0.001
02/27/2026	988.647	0.052	3.289	0.574	95.627	0.987	0.043	0.001	0.002
02/26/2026	988.329	0.060	3.321	0.574	95.578	0.993	0.045	0.001	0.002
02/25/2026	985.607	0.067	3.471	0.574	95.560	0.862	0.038	0.001	0.002
02/24/2026	993.743	0.053	3.074	0.575	95.485	1.319	0.065	0.001	0.003
02/23/2026	999.863	0.045	2.818	0.576	95.330	1.709	0.091	0.002	0.004
02/22/2026	1001.671	0.049	2.839	0.578	95.063	1.931	0.112	0.003	0.005
02/21/2026	1002.811	0.051	2.910	0.579	94.766	2.131	0.133	0.003	0.006
02/20/2026	1003.715	0.051	2.979	0.580	94.510	2.299	0.151	0.004	0.007
02/19/2026	1012.833	0.056	2.726	0.584	93.964	3.029	0.210	0.005	0.010
02/18/2026	1015.662	0.056	2.720	0.585	93.643	3.326	0.238	0.006	0.011
02/17/2026	1016.346	0.056	2.726	0.586	93.549	3.405	0.246	0.006	0.012
02/16/2026	1016.278	0.055	2.756	0.586	93.495	3.426	0.250	0.006	0.012
02/15/2026	1015.609	0.054	2.811	0.586	93.458	3.406	0.252	0.006	0.012
02/14/2026	1014.126	0.053	2.870	0.586	93.509	3.304	0.246	0.006	0.012
02/13/2026	1016.980	0.055	2.790	0.587	93.341	3.530	0.264	0.007	0.013