Date Requested: May 26 2021 4:51 PM

SWGS Daily Average Gas Quality Info By Segment

TSP Name: Southwest Gas Storage Company (TSP: 021215678)

Segment: WEST AREA

Gas Day	BTU	CHDP	Wobbe Index	CO2	N2	Gravity	Methane	Ethane	Propane	Ibutane	Nbutane	Ipentane	Npentane	C6+
05/25/2021	983.7664	-38.8494	1,285.3182	0.0566	4.6780	0.5858	93.4958	1.3694	0.3085	0.0216	0.0475	0.0065	0.0076	0.0085
05/24/2021	980.3192	-35.7632	1,286.1466	0.0229	4.4797	0.5810	94.2934	0.9796	0.1597	0.0110	0.0269	0.0066	0.0091	0.0111
05/23/2021	979.7282	-52.8972	1,286.0369	0.0222	4.4600	0.5804	94.3562	0.9601	0.1534	0.0100	0.0234	0.0047	0.0058	0.0042
05/22/2021	979.5686	-50.7172	1,285.8364	0.0214	4.4700	0.5804	94.3570	0.9518	0.1504	0.0100	0.0239	0.0047	0.0059	0.0048
05/21/2021	981.3948	-45.4827	1,288.8842	0.0408	4.2756	0.5798	94.5309	0.9551	0.1456	0.0104	0.0244	0.0048	0.0060	0.0065
05/20/2021	981.7718	-30.4795	1,287.8269	0.0431	4.3809	0.5812	94.3020	1.0441	0.1610	0.0115	0.0281	0.0069	0.0094	0.0129
05/19/2021	979.4470	-41.1529	1,286.0375	0.0288	4.4353	0.5800	94.4425	0.9083	0.1254	0.0115	0.0271	0.0061	0.0075	0.0076
05/18/2021	982.7950	-35.4841	1,288.6897	0.0369	4.3691	0.5816	94.2554	1.0756	0.1771	0.0170	0.0398	0.0083	0.0102	0.0105
05/17/2021	988.5332	-18.8638	1,293.1519	0.0576	4.2520	0.5844	93.9275	1.3936	0.2363	0.0240	0.0549	0.0137	0.0176	0.0228
05/16/2021	987.2209	-39.7788	1,293.0446	0.0595	4.1926	0.5829	94.0174	1.4667	0.1897	0.0153	0.0344	0.0075	0.0090	0.0081
05/15/2021	987.0037	-29.3579	1,293.2187	0.0379	4.1991	0.5825	94.1229	1.3585	0.1989	0.0154	0.0351	0.0080	0.0108	0.0133
05/14/2021	986.1992	-23.7981	1,292.3099	0.0214	4.2599	0.5824	94.1468	1.2835	0.2001	0.0153	0.0354	0.0087	0.0124	0.0164
05/13/2021	986.0052	-22.7689	1,291.8250	0.0213	4.2912	0.5826	94.1096	1.2847	0.2023	0.0156	0.0363	0.0091	0.0129	0.0170
05/12/2021	985.9868	-21.8561	1,291.6838	0.0213	4.3023	0.5827	94.0941	1.2857	0.2036	0.0158	0.0369	0.0093	0.0133	0.0178
05/11/2021	986.3268	-22.8553	1,292.1483	0.0214	4.2800	0.5827	94.1079	1.2889	0.2061	0.0162	0.0388	0.0098	0.0139	0.0169
05/10/2021	987.0491	-27.4834	1,293.2849	0.0190	4.2236	0.5825	94.1929	1.2307	0.2212	0.0207	0.0526	0.0109	0.0139	0.0145
05/09/2021	985.9704	-42.3589	1,293.0714	0.0243	4.1794	0.5814	94.3052	1.2050	0.2159	0.0155	0.0343	0.0060	0.0073	0.0071
05/08/2021	983.9261	-41.4488	1,292.1147	0.0254	4.1548	0.5799	94.5696	1.0114	0.1792	0.0121	0.0278	0.0053	0.0067	0.0077
05/07/2021	984.9245	-35.2132	1,295.1233	0.0057	3.9806	0.5784	94.9683	0.7820	0.1670	0.0171	0.0456	0.0104	0.0132	0.0102
05/06/2021	980.8351	-49.3655	1,290.9871	0.0175	4.1043	0.5772	95.0162	0.7036	0.1062	0.0100	0.0248	0.0053	0.0065	0.0056
05/05/2021	976.7766	-55.3546	1,282.1594	0.0563	4.5866	0.5804	94.3149	0.8919	0.1048	0.0091	0.0220	0.0045	0.0055	0.0045
05/04/2021	997.0393	-31.5857	1,292.9051	0.0625	4.6955	0.5946	92.5604	1.7957	0.5480	0.0629	0.1642	0.0342	0.0430	0.0337
05/03/2021	975.4904	-61.5476	1,284.2029	0.0004	4.4308	0.5770	94.9021	0.5687	0.0673	0.0060	0.0145	0.0032	0.0040	0.0030
05/02/2021	976.3694	-60.8152	1,285.6979	0.0001	4.3498	0.5767	94.9771	0.5751	0.0669	0.0060	0.0146	0.0032	0.0040	0.0031
05/01/2021	976.8939	-62.6626	1,286.7678	0.0001	4.2862	0.5764	95.0503	0.5693	0.0646	0.0057	0.0139	0.0031	0.0038	0.0029
04/30/2021	977.4462	-59.2052	1,286.8397	0.0017	4.3057	0.5770	94.9673	0.6068	0.0793	0.0075	0.0188	0.0041	0.0051	0.0039
04/29/2021	979.8826	-60.6563	1,287.2462	0.0774	4.2813	0.5795	94.5699	0.9142	0.1150	0.0091	0.0211	0.0040	0.0048	0.0032
04/28/2021	985.1485	-58.3453	1,290.8409	0.1763	4.0966	0.5825	94.1192	1.4194	0.1428	0.0101	0.0228	0.0041	0.0049	0.0037
04/27/2021	986.5748	-56.9587	1,292.4496	0.1795	4.0279	0.5827	94.1317	1.4359	0.1706	0.0123	0.0278	0.0049	0.0058	0.0037
04/26/2021	991.2255	-49.1890	1,295.7812	0.2006	3.9507	0.5852	93.7294	1.8329	0.2235	0.0144	0.0316	0.0054	0.0063	0.0051
04/25/2021	994.6341	-31.9725	1,297.8657	0.2112	3.9301	0.5873	93.5355	1.8874	0.3193	0.0240	0.0578	0.0104	0.0127	0.0116
04/24/2021	991.1538	-34.5418	1,295.6510	0.1763	3.9938	0.5852	93.8435	1.6029	0.2848	0.0219	0.0494	0.0081	0.0092	0.0101
04/23/2021	1,024.5764	8.3384	1,315.6060	0.3703	3.6939	0.6065	90.8368	4.0128	0.7364	0.0665	0.1601	0.0317	0.0389	0.0527
04/22/2021	1,027.5517	11.4652	1,317.1745	0.3849	3.6894	0.6086	90.5156	4.2639	0.7777	0.0699	0.1682	0.0334	0.0409	0.0560
04/21/2021	994.0834	-10.6059	1,295.5418	0.1281	4.2236	0.5888	93.3369	1.7767	0.3527	0.0339	0.0824	0.0169	0.0208	0.0279
04/20/2021	979.9637	-23.6920	1,283.0592	0.0051	4.7517	0.5834	94.0325	0.8218	0.2390	0.0277	0.0698	0.0148	0.0187	0.0190
04/19/2021	1,003.5784	-16.3696	1,303.3533	0.2083	3.9190	0.5929	92.7567	2.4799	0.4311	0.0387	0.0933	0.0186	0.0229	0.0314
04/18/2021	1,018.7200	5.9450	1,311.5573	0.3343	3.8005	0.6033	91.2433	3.6638	0.6515	0.0582	0.1400	0.0276	0.0338	0.0470
04/17/2021	1,018.4282	3.9119	1,311.2304	0.3341	3.8143	0.6033	91.2316	3.6655	0.6525	0.0583	0.1397	0.0274	0.0334	0.0434
04/16/2021	1,018.6186	3.7141	1,311.4941	0.3350	3.7998	0.6032	91.2397	3.6692	0.6538	0.0584	0.1402	0.0275	0.0335	0.0430
04/15/2021	1,018.7390	3.9421	1,311.6669	0.3355	3.7903	0.6032	91.2478	3.6693	0.6539	0.0583	0.1405	0.0275	0.0337	0.0434
04/14/2021	1,015.5868	2.2066	1,309.6570	0.3165	3.8309	0.6013	91.5149	3.4455	0.6094	0.0542	0.1305	0.0256	0.0313	0.0413
04/13/2021	1,007.1449	-6.5794	1,304.2285	0.2650	3.9443	0.5963	92.1804	2.9047	0.4881	0.0427	0.1016	0.0195	0.0236	0.0302
04/12/2021	1,006.0885	-8.0202	1,303.9372	0.2567	3.9280	0.5953	92.3180	2.8316	0.4608	0.0398	0.0956	0.0184	0.0226	0.0287
04/11/2021	1,001.1530	-15.4425	1,300.8130	0.2208	3.9958	0.5923	92.7311	2.4929	0.3876	0.0333	0.0800	0.0154	0.0190	0.0241
04/10/2021	980.6470	-45.8589	1,287.2035	0.1004	4.2892	0.5804	94.4345	0.9987	0.1271	0.0101	0.0240	0.0044	0.0054	0.0062
04/09/2021	980.5069	-51.1639	1,287.1627	0.1001	4.2860	0.5803	94.4493	0.9920	0.1252	0.0099	0.0233	0.0042	0.0052	0.0047
04/08/2021	980.6981	-48.8555	1,287.2664	0.1021	4.2840	0.5804	94.4325	1.0044	0.1280	0.0101	0.0239	0.0044	0.0054	0.0053
04/07/2021	981.1060	-56.3711	1,288.0243	0.1039	4.2379	0.5802	94.4732	1.0100	0.1284	0.0100	0.0237	0.0043	0.0052	0.0036
04/06/2021	981.8927	-60.3842	1,288.0068	0.1160	4.2613	0.5812	94.3333	1.0751	0.1597	0.0124	0.0290	0.0048	0.0056	0.0028
04/05/2021	995.7521	-36.5781	1,297.5119	0.1869	4.0486	0.5889	93.2304	2.0741	0.3237	0.0272	0.0658	0.0122	0.0150	0.0161
04/04/2021	1,038.3284	13.7940	1,324.4873	0.4357	3.5298	0.6146	89.5472	5.2139	0.8645	0.0770	0.1893	0.0371	0.0462	0.0592
04/03/2021	1,037.1854	10.3227	1,324.0375	0.4225	3.5312	0.6137	89.5878	5.2647	0.8181	0.0719	0.1753	0.0340	0.0419	0.0526
04/02/2021	1,033.4735	3.8929	1,321.9619	0.3793	3.5888	0.6112	89.7754	5.2282	0.7139	0.0611	0.1481	0.0283	0.0346	0.0424
04/01/2021	1,034.1533	2.2329	1,322.5528	0.3571	3.6069	0.6114	89.6024	5.4679	0.6731	0.0568	0.1375	0.0261	0.0320	0.0400
03/31/2021	1,032.3555	0.1231	1,321.1091	0.3281	3.6851	0.6106	89.6271	5.4592	0.6286	0.0529	0.1277	0.0242	0.0297	0.0374
03/30/2021	1,029.8273	-5.8298	1,319.6774	0.2930	3.7339	0.6090	89.7767	5.3876	0.5686	0.0475	0.1150	0.0215	0.0264	0.0297
03/29/2021	1,029.6436	-6.1991	1,319.4961	0.2927	3.7409	0.6089	89.7785	5.3829	0.5667	0.0472	0.1142	0.0215	0.0262	0.0292
03/28/2021	1,029.4674	-5.3629	1,319.2061	0.2918	3.7583	0.6090	89.7659	5.3792	0.5659	0.0472	0.1140	0.0213	0.0261	0.0303
03/27/2021	1,025.6265	-9.4795	1,316.7174	0.2626	3.8217	0.6067	90.0693	5.1200	0.5125	0.0426	0.1027	0.0191	0.0234	0.0263
03/26/2021	1,014.9405	-16.1598	1,309.5057	0.1848	4.0158	0.6007	90.9374	4.3154	0.3852	0.0319	0.0769	0.0144	0.0175	0.0207
03/25/2021	1,011.2759	-17.3563	1,307.2747	0.1822	4.0235	0.5984	91.3663	3.9075	0.3671	0.0304	0.0728	0.0136	0.0164	0.0202
03/24/2021	1,008.5585	-25.0240	1,305.2959	0.1444	4.1124	0.5970	91.4887	3.8062	0.3179	0.0264	0.0636	0.0118	0.0143	0.0144
03/23/2021	1,008.6656	-24.4355	1,305.4156	0.1447	4.1070	0.5970	91.4900	3.8085	0.3185	0.0265	0.0638	0.0119	0.0144	0.0147
03/22/2021	1,008.9847	-25.1938	1,305.9086	0.1453	4.0801	0.5970	91.5086	3.8158	0.3191	0.0265	0.0641	0.0119	0.0145	0.0141
03/21/2021	1,008.9786	-23.8577	1,305.8602	0.1453	4.0840	0.5970	91.5047	3.8149	0.3190	0.0265	0.0640	0.0119	0.0145	0.0152
03/20/2021	1,008.8458	-23.5215	1,305.6807	0.1449	4.0931	0.5970	91.5012	3.8106	0.3182	0.0265	0.0638	0.0119	0.0145	0.0154
03/19/2021	1,008.5863	-23.9653	1,305.3354	0.1442	4.1107	0.5970	91.4926	3.8038	0.3175	0.0264	0.0636	0.0118	0.0143	0.0151
03/18/2021	1,008.1846	-25.1527	1,304.9912	0.1418	4.1233	0.5969	91.5143	3.7753	0.3154	0.0264	0.0633	0.0118	0.0142	0.0144
03/17/2021	1,000.3205	-30.8290	1,299.2395	0.0950	4.2835	0.5928	92.1792	3.0664	0.2635	0.0229	0.0551	0.0104	0.0127	0.0114
03/16/2021	986.8267	-41.2005	1,289.9260	0.0439	4.4622	0.5853	93.4562	1.7919	0.1728	0.0149	0.0353	0.0070	0.0084	0.0074
03/15/2021	978.7710	-48.9456	1,284.1040	0.0260	4.5694	0.5810	94.2182	0.9935	0.1395	0.0110	0.0257	0.0052	0.0062	0.0053
03/14/2021	976.7725	-55.8508	1,282.1743	0.0201	4.6394	0.5804	94.2902	0.8784	0.1309	0.0085	0.0196	0.0041	0.0051	0.0036
03/13/2021	976.5899	-58.1189	1,282.0083	0.0195	4.6451	0.5803	94.2980	0.8676	0.1299	0.0084	0.0192	0.0040	0.0050	0.0032
03/12/2021	976.0364	-60.6362	1,282.3467	0.0102	4.6019	0.5793	94.4716	0.7672	0.1091	0.0085	0.0197	0.0040	0.0047	0.0032
03/11/2021	978.8809	-51.6565	1,284.1870	0.0140	4.5855	0.5810	94.2465	0.9285	0.1566	0.0143	0.0339	0.0069	0.0081	0.0057
03/10/2021	978.1374	-54.0590	1,284.6470	0.0134	4.5096	0.5798	94.4235	0.8984	0.1071	0.0100	0.0228	0.0049	0.0058	0.0045
03/09/2021	1,003.6575	-32.4452	1,302.1656	0.1345	4.1349	0.5940	92.0252	3.3065	0.2854	0.0233	0.0547	0.0105	0.0124	0.0125
03/08/2021	1,028.5286	-19.6865	1,319.4971	0.2157	3.8033	0.6076	89.6120	5.7897	0.4181	0.0331	0.0796	0.0142	0.0170	0.0173
03/07/2021	1,023.6365	-22.5321	1,314.9630	0.1438	4.0551	0.6060	89.7517	5.5347	0.3633	0.0308	0.0750	0.0137	0.0167	0.0153
03/06/2021	1,010.7647	-27.7575	1,305.5406	0.0835	4.2982	0.5994	90.8681	4.3367	0.2867	0.0255	0.0627	0.0116	0.0142	0.0128
03/05/2021	989.0624	-40.7591	1,291.2386	0.0368	4.4764	0.5867	93.1227	2.1394	0.1565	0.0137	0.0331	0.0063	0.0075	0.0077
03/04/2021	974.5190	-55.4392	1,280.7136	0.0002	4.6777	0.5790	94.4500	0.7790	0.0640	0.0057	0.0134	0.0028	0.0033	0.0040
03/03/2021	974.2287	-55.2022	1,280.1696	0.0002	4.7090	0.5792	94.4153	0.7825	0.0640	0.0057	0.0133	0.0028	0.0033	0.0040
03/02/2021	974.0727	-55.4289	1,279.8288	0.0003	4.7298	0.5793	94.3892	0.7866	0.0642	0.0057	0.0136	0.0029	0.0035	0.0040
03/01/2021	973.9728	-63.3285	1,279.7649	0.0001	4.7304	0.5792	94.3922	0.7861	0.0636	0.0056	0.0133	0.0027	0.0032	0.0028
02/28/2021	976.2471	-66.5619	1,282.4946	0.0060	4.6067	0.5794	94.3965	0.8760	0.0828	0.0070	0.0162	0.0031	0.0035	0.0023
02/27/2021	1,015.9587	-13.1153	1,295.0233	0.0807	5.5066	0.6156	88.7442	4.3417	0.8645	0.0960	0.2352	0.0421	0.0530	0.0359
02/26/2021	1,036.2888	16.9164	1,298.9729	0.1314	6.1711	0.6364	85.4971	6.1461	1.3378	0.1496	0.3654	0.0648	0.0818	0.0548
02/25/2021	1,034.9823	15.9348	1,295.6034	0.1506	6.3806	0.6382	85.1746	6.1976	1.3767	0.1515	0.3687	0.0648	0.0828	0.0522
02/24/2021	1,023.6999	-33.7652	1,312.3485	0.0709	4.4068	0.6086	89.0648	5.9684	0.3367	0.0312	0.0770	0.0143	0.0176	0.0124

Gas Day - Gas Day

BTU - BTU

CHDP - Cricondentherm Hydrocarbon Dew Point

Wobbe Index - Wobbe Index

CO2 - CO2

N2 - N2

Gravity - Gravity

Methane - Methane

Ethane - Ethane

Propane - Propane

Ibutane - Ibutane

Nbutane - Nbutane

Ipentane - Ipentane

Npentane - Npentane

C6+ - C6+