Precipitation climatology from Xie-Arkin
This page presents a monthly mean climatology of precipitation estimates from Xie-Arkin averaged over 1979-98. It is based on rain gauges over land and satellite-based estimates over ocean. Substantial differences in magnitude from GPCP estimates can be found over Indonesia and a few other regions. The patterns however are very similar.
| Mean precipitation | Standard deviation of 20 monthly means | Mean plus one standard deviation | Mean minus one standard deviation |
| January | January | January | January |
| February | February | February | February |
| March | March | March | March |
| April | April | April | April |
| May | May | May | May |
| June | June | June | June |
| July | July | July | July |
| August | August | August | August |
| September | September | September | September |
| October | October | October | October |
| November | November | November | November |
| December | December | December | December |
