20CR Climate Indices
We are beginning to calculate 20CRV2c versions in addition to 20CRV2. If a version from 20CRV2c is available, it will be noted in the table
Monthly
Climate Index | Annual Average Plot |
---|---|
Southern Annular Mode (SAM) (20CRV2c) | ![]() |
Antarctic Oscillation (AAO) | ![]() |
North Pacific Index (NP) (20CRV2c) | ![]() |
Arctic Oscillation (AO) (also 20CRV2c) | ![]() |
North Atlantic Oscillation (NAO) (also 20CRV2c) | ![]() |
Southern Oscillation (SOI) (also 20CRV2c) | ![]() |
Pacific North American Pattern (PNA) (also 20CRV2c) | ![]() |
Daily
- Arctic Oscillation (AO) (1871-2012)
- Antarctic Oscillation (AAO) (1871-2012)