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North Pacific (NP) Index

NP Index is the area-weighted sea level pressure over the region 30N-65N, 160E-140W.

Time Interval: Monthly
Time Coverage: 1899 to Feb 2021
Update Status: Periodically updated

Get Data:

NP: Standard PSL Format (What is standard format?)
NP: Original

Source:
Data is from NCAR/CGD at https://climatedataguide.ucar.edu/climate-data/north-pacific-np-index-trenberth-and-hurrell-monthly-and-winter.
References:

  1. Trenberth and Hurrell (1994), Climate Dynamics 9:303-319
[ SOI | NAO | Rec NAO | AO | AO 20thCR | PDO | NP | TPI | Iceland P | Azores P | Gilbralter P | Nagasaki P | Madras P ]
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