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Due to popular demand, I've put up AO, NAO, and PNA text files. They are found on the page with the graphs, but can also be downloaded directly using the link below. I've also put a link to the archive folder, which will populate each day.

Text file format is:

yyyy,mm,dd,ens_mean,ens1,ens2,ens3,ens4,ens5,ens6,ens7,ens8

Ens 1-4 are the current ensemble runs (solid line in graphs).

Ens 5-8 are the prior day's ensemble runs (dashed lines in graphs).

AO:https://www.kylemacritchie.com/meteorology/ao_numbers.txt

NAO:https://www.kylemacritchie.com/meteorology/nao_numbers.txt

PNA:https://www.kylemacritchie.com/meteorology/pna_numbers.txt

The archive folder is here and is updated at the SAME TIME as the above text files, meaning it is current through "today". This way you don't need to check two different places.

Archives: https://www.kylemacritchie.com/meteorology/televalidation_text