Date Requested: Feb 06 2026 11:59 PM

SWGS Daily Average Gas Quality Info By Segment

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

Segment: WEST AREA

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Gas Day BTU CHDP Wobbe Index CO2 N2 Gravity Methane Ethane Propane Ibutane Nbutane Ipentane Npentane C6+
02/05/2026 1,040.9832 11.1560 1,325.2919 0.4212 3.6188 0.6170 89.0559 5.5823 0.9158 0.0826 0.1886 0.0381 0.0437 0.0531
02/04/2026 1,038.9490 13.3295 1,323.3174 0.4021 3.7154 0.6164 89.1739 5.3733 0.9218 0.0834 0.1896 0.0385 0.0442 0.0577
02/03/2026 1,042.0608 17.6776 1,323.8091 0.4381 3.7779 0.6196 88.7082 5.6468 0.9712 0.0908 0.2072 0.0432 0.0498 0.0666
02/02/2026 1,043.5764 16.1651 1,325.4548 0.4546 3.6867 0.6199 88.6934 5.7168 0.9911 0.0916 0.2102 0.0431 0.0497 0.0628
02/01/2026 1,045.8314 18.7513 1,327.2759 0.4616 3.6315 0.6209 88.6434 5.7414 1.0273 0.0982 0.2269 0.0473 0.0546 0.0679
01/31/2026 1,045.3889 2.5341 1,334.3457 0.4698 2.9841 0.6138 89.4958 5.9570 0.7696 0.0666 0.1498 0.0298 0.0344 0.0432
01/30/2026 1,045.0442 -9.0347 1,335.2681 0.5477 2.7731 0.6126 89.5775 6.1808 0.6659 0.0533 0.1178 0.0227 0.0262 0.0350
01/29/2026 1,047.8489 22.7836 1,327.0514 0.4390 3.7894 0.6235 88.2989 5.8068 1.1142 0.1089 0.2516 0.0530 0.0614 0.0769
01/28/2026 1,048.8742 22.3620 1,328.0470 0.4491 3.7394 0.6238 88.2492 5.8997 1.1134 0.1084 0.2512 0.0529 0.0612 0.0757
01/27/2026 1,043.9698 9.3522 1,328.1104 0.4363 3.5032 0.6179 88.8742 5.8785 0.9048 0.0827 0.1886 0.0382 0.0438 0.0496
01/26/2026 1,044.3651 7.1245 1,330.4765 0.3563 3.4387 0.6162 89.0744 5.8724 0.8759 0.0790 0.1801 0.0361 0.0415 0.0457
01/25/2026 1,044.4660 7.0472 1,329.7024 0.4200 3.4143 0.6170 88.9931 5.8976 0.8870 0.0803 0.1833 0.0368 0.0423 0.0453
01/24/2026 1,045.8376 7.2937 1,331.5357 0.3843 3.3786 0.6169 89.0089 5.9338 0.8990 0.0817 0.1872 0.0377 0.0433 0.0455
01/23/2026 1,046.5992 8.1197 1,331.7001 0.4331 3.3287 0.6177 88.9471 5.9761 0.9107 0.0833 0.1912 0.0386 0.0444 0.0467
01/22/2026 1,047.3417 8.6063 1,331.9648 0.4754 3.2789 0.6183 88.8932 6.0212 0.9207 0.0844 0.1941 0.0393 0.0452 0.0476
01/21/2026 1,046.7254 9.0629 1,331.3351 0.4454 3.3480 0.6181 88.8987 5.9668 0.9267 0.0850 0.1955 0.0397 0.0457 0.0483
01/20/2026 1,047.7860 10.6300 1,331.9122 0.4565 3.3346 0.6189 88.8351 5.9900 0.9532 0.0879 0.2027 0.0414 0.0478 0.0510
01/19/2026 1,048.6677 11.9564 1,332.1844 0.4653 3.3420 0.6197 88.7677 5.9852 0.9882 0.0923 0.2127 0.0434 0.0501 0.0531
01/18/2026 1,047.9625 11.4059 1,331.5633 0.4751 3.3455 0.6194 88.7980 5.9628 0.9730 0.0911 0.2101 0.0429 0.0493 0.0521
01/17/2026 1,047.0896 9.5511 1,331.6040 0.4739 3.2997 0.6183 88.9188 5.9555 0.9310 0.0865 0.1987 0.0404 0.0465 0.0491
01/16/2026 1,045.8707 6.8083 1,331.6626 0.4765 3.2291 0.6168 89.0857 5.9557 0.8670 0.0794 0.1822 0.0370 0.0426 0.0449
01/15/2026 1,042.1166 -2.0244 1,331.0601 0.4878 3.0757 0.6130 89.4904 5.9621 0.6983 0.0598 0.1350 0.0266 0.0305 0.0337
01/14/2026 1,043.6528 -0.2604 1,331.4250 0.5050 3.0952 0.6144 89.3214 6.0103 0.7578 0.0653 0.1474 0.0289 0.0331 0.0355
01/13/2026 1,048.2948 8.2107 1,332.4708 0.5285 3.2029 0.6189 88.8318 6.0923 0.9355 0.0846 0.1940 0.0390 0.0447 0.0469
01/12/2026 1,050.9943 8.0941 1,334.7411 0.5377 3.1280 0.6200 88.6936 6.2540 0.9602 0.0882 0.2039 0.0412 0.0474 0.0459
01/11/2026 1,044.1460 -14.6172 1,333.9920 0.5603 2.8160 0.6127 89.4668 6.2881 0.6289 0.0521 0.1167 0.0226 0.0256 0.0229
01/10/2026 1,035.7455 -50.3863 1,331.1042 0.5635 2.6414 0.6055 90.2249 6.1857 0.3203 0.0174 0.0331 0.0046 0.0048 0.0044
01/09/2026 1,040.7207 -16.9683 1,333.2848 0.5416 2.7340 0.6093 89.8890 6.1537 0.4975 0.0396 0.0880 0.0172 0.0198 0.0196
01/08/2026 1,039.3416 -14.8578 1,332.9939 0.5306 2.7073 0.6079 90.0338 6.1427 0.4284 0.0328 0.0725 0.0141 0.0163 0.0215
01/07/2026 1,033.9482 -21.6071 1,331.1358 0.4908 2.6596 0.6033 90.5262 6.0264 0.2385 0.0120 0.0225 0.0031 0.0032 0.0178
01/06/2026 1,037.6226 -25.7370 1,332.1498 0.5427 2.6767 0.6067 90.1640 6.1254 0.3674 0.0254 0.0550 0.0108 0.0129 0.0196
01/05/2026 1,048.7245 3.1599 1,334.6213 0.5289 3.0373 0.6175 89.0108 6.1680 0.8799 0.0784 0.1810 0.0360 0.0411 0.0388
01/04/2026 1,044.8393 -5.2645 1,334.5149 0.5155 2.8722 0.6130 89.5463 6.0650 0.7181 0.0603 0.1368 0.0265 0.0302 0.0291
01/03/2026 1,043.0996 -12.1853 1,334.8039 0.5478 2.7118 0.6107 89.8331 6.0606 0.6214 0.0492 0.1096 0.0207 0.0233 0.0226
01/02/2026 1,040.6868 -20.2904 1,334.8165 0.5267 2.6232 0.6079 90.1797 5.9757 0.5190 0.0391 0.0861 0.0159 0.0179 0.0168
01/01/2026 1,043.4450 -14.3657 1,336.1499 0.5525 2.6065 0.6099 89.9698 6.0617 0.5941 0.0471 0.1052 0.0199 0.0225 0.0207
12/31/2025 1,037.7991 -31.3462 1,334.2867 0.5002 2.5661 0.6050 90.5086 5.8924 0.4123 0.0281 0.0597 0.0105 0.0116 0.0105
12/30/2025 1,034.2774 -47.5026 1,332.9748 0.4680 2.5531 0.6021 90.8412 5.7609 0.3093 0.0175 0.0346 0.0052 0.0055 0.0048
12/29/2025 1,033.0423 -55.0899 1,332.3862 0.4708 2.5379 0.6011 90.9566 5.7121 0.2697 0.0142 0.0272 0.0041 0.0042 0.0033
12/28/2025 1,032.5954 -56.6893 1,332.1822 0.4696 2.5351 0.6008 91.0059 5.6821 0.2571 0.0134 0.0256 0.0040 0.0042 0.0030
12/27/2025 1,033.6640 -53.1922 1,332.6859 0.4713 2.5423 0.6016 90.8931 5.7466 0.2894 0.0154 0.0297 0.0042 0.0043 0.0036
12/26/2025 1,033.1347 -53.3263 1,332.6210 0.4404 2.5688 0.6010 90.9406 5.7305 0.2671 0.0140 0.0269 0.0039 0.0040 0.0037
12/25/2025 1,038.5141 -43.8220 1,332.6173 0.7477 2.3694 0.6073 90.2125 6.1573 0.4359 0.0215 0.0400 0.0050 0.0050 0.0057
12/24/2025 1,038.8643 -42.4745 1,332.3880 0.7836 2.3518 0.6079 90.1505 6.1793 0.4542 0.0224 0.0416 0.0053 0.0054 0.0059
12/23/2025 1,038.7542 -41.7521 1,332.2380 0.7817 2.3620 0.6080 90.1515 6.1668 0.4557 0.0227 0.0424 0.0055 0.0056 0.0062
12/22/2025 1,038.6413 -42.8428 1,332.2389 0.7874 2.3478 0.6078 90.1721 6.1636 0.4507 0.0219 0.0406 0.0050 0.0051 0.0059
12/21/2025 1,038.6750 -45.0217 1,332.2559 0.7884 2.3465 0.6078 90.1669 6.1676 0.4531 0.0220 0.0405 0.0049 0.0050 0.0053
12/20/2025 1,038.0297 -45.2237 1,332.1266 0.7792 2.3394 0.6072 90.2532 6.1307 0.4230 0.0209 0.0387 0.0049 0.0049 0.0052
12/19/2025 1,040.3082 -43.6014 1,335.2757 0.6782 2.3368 0.6070 90.2327 6.2296 0.4386 0.0235 0.0442 0.0053 0.0054 0.0057
12/18/2025 1,036.3751 -44.7993 1,334.8358 0.5154 2.4260 0.6028 90.8310 5.7841 0.3669 0.0203 0.0389 0.0055 0.0058 0.0060
12/17/2025 1,038.0967 -28.8135 1,333.0854 0.4753 2.7236 0.6064 90.3423 5.8229 0.4681 0.0362 0.0799 0.0151 0.0171 0.0194
12/16/2025 1,048.8242 12.9741 1,331.7138 0.4844 3.3619 0.6203 88.7138 5.9653 1.0079 0.0947 0.2202 0.0452 0.0519 0.0548
12/15/2025 1,047.8204 5.7450 1,334.2753 0.4574 3.1299 0.6167 89.1069 6.0485 0.8704 0.0799 0.1842 0.0372 0.0427 0.0430
12/14/2025 1,049.3575 8.6395 1,334.6068 0.4701 3.1592 0.6182 88.9567 6.0623 0.9289 0.0869 0.2007 0.0409 0.0470 0.0473
12/13/2025 1,050.3034 11.4912 1,334.2122 0.4759 3.2320 0.6197 88.7978 6.0484 0.9873 0.0938 0.2172 0.0446 0.0512 0.0518
12/12/2025 1,050.2023 10.9814 1,334.4156 0.4803 3.2026 0.6194 88.8430 6.0441 0.9786 0.0924 0.2140 0.0439 0.0503 0.0510
12/11/2025 1,049.0579 11.4406 1,332.9809 0.4769 3.2744 0.6194 88.8408 5.9731 0.9824 0.0923 0.2140 0.0439 0.0503 0.0520
12/10/2025 1,054.7307 12.9890 1,337.3837 0.5251 3.1049 0.6220 88.5570 6.2578 1.0618 0.1003 0.2357 0.0483 0.0554 0.0537
12/09/2025 1,047.9360 5.5034 1,334.5146 0.4801 3.0804 0.6166 89.1419 6.0438 0.8733 0.0783 0.1812 0.0364 0.0417 0.0428
12/08/2025 1,049.9096 10.0383 1,334.5050 0.4806 3.1794 0.6190 88.8959 6.0359 0.9667 0.0900 0.2100 0.0429 0.0492 0.0493
12/07/2025 1,049.3250 9.6111 1,334.3063 0.4732 3.1785 0.6185 88.9550 6.0102 0.9506 0.0883 0.2054 0.0419 0.0481 0.0489
12/06/2025 1,049.5907 5.2188 1,336.4152 0.4725 3.0104 0.6168 89.1373 6.1052 0.8844 0.0805 0.1870 0.0377 0.0432 0.0418
12/05/2025 1,050.0364 4.6498 1,337.1685 0.4804 2.9556 0.6166 89.1693 6.1314 0.8778 0.0798 0.1849 0.0373 0.0426 0.0410
12/04/2025 1,049.9836 5.6545 1,336.9882 0.4856 2.9606 0.6168 89.1775 6.0990 0.8861 0.0808 0.1868 0.0378 0.0432 0.0427
12/03/2025 1,049.3926 5.5612 1,336.5691 0.4776 2.9793 0.6164 89.2197 6.0545 0.8793 0.0804 0.1857 0.0376 0.0431 0.0428
12/02/2025 1,050.2244 1.8546 1,338.7633 0.4944 2.8062 0.6154 89.3465 6.1597 0.8363 0.0747 0.1716 0.0343 0.0391 0.0373
12/01/2025 1,049.8287 0.1084 1,339.0543 0.5003 2.7525 0.6147 89.4404 6.1562 0.8111 0.0715 0.1635 0.0324 0.0369 0.0352
11/30/2025 1,047.4259 3.2703 1,335.4451 0.4679 2.9927 0.6152 89.3568 5.9839 0.8364 0.0753 0.1729 0.0348 0.0397 0.0396
11/29/2025 1,046.9718 -5.4498 1,338.0436 0.5039 2.6922 0.6122 89.7175 6.0803 0.7233 0.0609 0.1369 0.0263 0.0298 0.0289
11/28/2025 1,046.6537 1.1136 1,336.0353 0.4537 2.9248 0.6137 89.5302 5.9729 0.7830 0.0697 0.1602 0.0321 0.0366 0.0368
11/27/2025 1,045.7585 -2.6169 1,336.4688 0.4487 2.8507 0.6123 89.6862 5.9875 0.7268 0.0633 0.1440 0.0284 0.0323 0.0322
11/26/2025 1,044.6542 -7.6182 1,336.8315 0.4481 2.7660 0.6106 89.8594 6.0060 0.6621 0.0555 0.1247 0.0240 0.0272 0.0269
11/25/2025 1,043.4413 -12.1794 1,336.5592 0.4512 2.7247 0.6095 89.9738 6.0112 0.6145 0.0493 0.1093 0.0204 0.0230 0.0226
11/24/2025 1,044.4148 -12.8663 1,337.7632 0.4650 2.6492 0.6095 89.9778 6.0754 0.6121 0.0486 0.1077 0.0199 0.0225 0.0219
11/23/2025 1,044.0343 -19.1238 1,338.4135 0.4920 2.5343 0.6085 90.0844 6.1444 0.5642 0.0413 0.0894 0.0155 0.0174 0.0170
11/22/2025 1,044.2007 -20.6288 1,338.6450 0.5077 2.4991 0.6085 90.0843 6.1749 0.5616 0.0402 0.0856 0.0144 0.0161 0.0161
11/21/2025 1,041.9189 -20.6743 1,337.0214 0.4480 2.6154 0.6073 90.2121 6.0250 0.5314 0.0388 0.0828 0.0143 0.0159 0.0164
11/20/2025 1,045.5307 -24.5820 1,340.6257 0.5334 2.3570 0.6082 90.1341 6.2674 0.5486 0.0381 0.0805 0.0131 0.0145 0.0134
11/19/2025 1,046.3646 -22.5025 1,341.5893 0.5238 2.3303 0.6083 90.1453 6.2728 0.5576 0.0401 0.0856 0.0142 0.0157 0.0147
11/18/2025 1,047.2008 -23.8390 1,342.8139 0.5332 2.2528 0.6082 90.1805 6.3109 0.5573 0.0395 0.0838 0.0134 0.0147 0.0139
11/17/2025 1,045.4238 -23.4587 1,341.0217 0.5192 2.3393 0.6077 90.2328 6.1943 0.5526 0.0386 0.0813 0.0130 0.0144 0.0144
11/16/2025 1,041.9702 -16.1049 1,337.5293 0.4137 2.6266 0.6069 90.2689 5.9960 0.5225 0.0384 0.0828 0.0146 0.0165 0.0199
11/15/2025 1,042.7660 -16.3057 1,338.2999 0.4268 2.5802 0.6071 90.2510 6.0398 0.5283 0.0390 0.0839 0.0147 0.0166 0.0198
11/14/2025 1,045.8836 -18.3383 1,341.3436 0.4903 2.3782 0.6080 90.1838 6.2244 0.5480 0.0403 0.0864 0.0145 0.0162 0.0179
11/13/2025 1,043.3324 -18.4134 1,339.5191 0.4486 2.4714 0.6067 90.3254 6.0884 0.5043 0.0370 0.0788 0.0132 0.0147 0.0182
11/12/2025 1,045.4013 -20.3653 1,341.7425 0.5002 2.3055 0.6070 90.3381 6.1761 0.5110 0.0394 0.0846 0.0136 0.0149 0.0164
11/11/2025 1,046.3796 -22.2271 1,343.3599 0.5265 2.1763 0.6067 90.3994 6.2584 0.4770 0.0380 0.0818 0.0131 0.0143 0.0153
11/10/2025 1,048.8414 -23.5408 1,346.2444 0.5799 1.9709 0.6070 90.4146 6.4091 0.4649 0.0377 0.0813 0.0129 0.0143 0.0144
11/09/2025 1,052.1144 -27.5469 1,348.2066 0.7038 1.7760 0.6090 90.2236 6.5953 0.5369 0.0416 0.0857 0.0124 0.0132 0.0116
11/08/2025 1,049.3349 -23.5629 1,347.4617 0.5687 1.9088 0.6064 90.5141 6.3921 0.4522 0.0388 0.0841 0.0128 0.0140 0.0144