---
cited_by: []
definition: The timeseries is calculated from the HadISST and the NCEP OI Datasets. It is the standardized Nina 12 minus the Nina 4 with a 5 month running mean applied which is then standardized using the 1950-1979 period.
href: https://data.globalchange.gov/gcmd_keyword/58d71334-7fb5-4e05-85fd-9d2485854abe.yaml
identifier: 58d71334-7fb5-4e05-85fd-9d2485854abe
label: TRANS-NINO INDEX
parent_identifier: b83895e9-bac8-49fe-bcf5-8fe4d8fcaa16
uri: /gcmd_keyword/58d71334-7fb5-4e05-85fd-9d2485854abe