The building maintenance scheduled for Friday February 27th at 5:00pm MST has been postponed. It is rescheduled for March 6rd.

20CR Climate Indices


Climate IndexAnnual Average Plot
Antarctic Oscillation (AAO)
North Pacific Index (NP)
Arctic Oscillation (AO)
North Atlantic Oscillation (NAO)
Southern Oscillation (SOI)


Tools to Plot/Use 20CR Climate Indices

  1. Climate Index Plotting Page
  2. GCOS Mapping Page