Catalog http://tds.aviso.altimetry.fr/thredds/catalog/el-nino-southern-oscillation/catalog.html

Dataset	Size	Last Modified
`el-nino-southern-oscillation`		`--`
`ENSO_Sst_nino34_Stdz_F52d_Monthly.nc`	`60.96 Kbytes`	`2024-04-25T04:34:36Z`
`ENSO_Sst_nino34_Stdz_F52d_Monthly.asc`	`713.0 Kbytes`	`2024-04-25T04:34:36Z`
`ENSO_Msla_nino34_Stdz_F52d_Monthly.nc`	`19.8 Kbytes`	`2024-04-25T04:42:33Z`
`ENSO_Msla_nino34_Stdz_F52d_Monthly.asc`	`78.34 Kbytes`	`2024-04-25T04:42:33Z`