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 April 22 to May 21, 2025, rainfall below climatology in the monitored area was characterized by a precipitation deficit on the main course of the Amazon River in Brazilian and Peruvian territory, the hydrographic basins of the Abacaxis, Aripuanã, Branco, Coari, Curuá Una, Içá, Iriri, Japurá, Javari, Ji-Paraná, Juruá, Jutaí, Madeira, basins on the left bank of the Amazon River in the northeast of the state of Amazonas and the northeast and northwest of the state of Pará, Negro, Purus, Tefé, Xingu and the main course of the Solimões River, rainfall above climatology characterized the basins of the Guaporé, Mamoré, Marañon and Teles Pires rivers. Rainfall behavior close to climatology over the Beni, Juruena, Napo, Tapajós and Ucayali river basins. The multimodel forecast indicates a predominance of rainfall over the main course of the Amazon River in Brazilian territory and the basins of the Abacaxis, Aripuanã, Curuá Una, Gauporé, Iriri, Ji-Paraná, Juruena, Madeira rivers, basins on the left bank of the Amazon River in the northeast of the state of Amazonas and the northeast and northwest of the states of Pará, Tapajós, Teles Pires and Xingu, rainfall above the climatological forecast for the basins of the Içá, Japurá, Napo, Negro rivers and the main course of the Solimões River.