Current conditions
Maps of observed precipitation conditions, individual graphics by basin are produced from MERGE/GPM data generated by INPE/CPTEC, considering the period from de 2000 a 2024. Between May 6 to June 4, 2025, Below-average rainfall in the monitored area resulted in a precipitation deficit over the main course of the Amazon River in Brazilian and Peruvian territories, the hydrographic basins of the Abacaxis, Aripuanã, Beni, Coari, Curuá Una, Guaporé, Içá, Iriri, Japurá, Javari, Ji-Paraná, Juruá, Juruena, Jutaí, Madeira, Mamoré, basins on the left bank of the Amazon River in the northeast of the state of Amazonas and northeast and northwest of the state of Pará, Negro, Purus, Tapajós, Tefé, Teles Pires, Xingu, and the main course of the Solimões River. Rainfall within normal ranges characterized the basins of the Branco, Marañon, Napo, and Ucayali rivers. The multimodel indicates that rainfall below climatological norms will prevail in the coming weeks along the main course of the Amazon River in Brazilian territory, the Branco River basin, the left bank basins of the Amazon River in northeastern Amazonas State and northeastern and northwestern Pará State, Teles Pires, and Xingu. Above-average rainfall is forecast for the main course of the Amazon River in Peruvian territory, the Coari, Içá, Japurá, Javari, Jutaí, Napo, Negro, and Tefé river basins, and the main course of the Solimões River.