Pacific Region - El Niño average seasonal rainfall compared to long term seasonal average for 1979-2003, actual and relative (Sep-Oct-Nov | Dec-Jan-Feb)
The maps opposite show rainfall patterns for Sep-Oct-Nov (southern hemisphere spring) and for Dec-Jan-Feb (southern hemisphere winter) generated from a merged analysis of precipitation from 1979 to 2003.
The top row shows the average daily rainfall that prevails for the given period and ENSO conditions. Darker colors indicate more rain.
The bottom row shows how the values in the map above compare to the overall average for that season. Blue colors designate areas which receive more than average rain during the above mentioned ENSO conditions (see title). Brown colors designate areas which receive less rain.