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 2025. Between February 24 to March 25, 2026, bBelow-average rainfall resulted in a precipitation deficit along the main course of the Amazon River in Brazilian and Peruvian territories, as well as in the watersheds of the Abacaxis, Aripuanã, Branco, Coari, Içá, Japurá, Javari, Ji-Paraná, Juruá, and Jutaí rivers, Madeira, the left-bank basins of the Amazon River in the northeast of the state of Amazonas and in the northeast and northwest of the state of Pará, Napo, Negro, Purus, Tefé, Teles Pires, Xingu, and the main course of the Solimões River; above-normal rainfall recorded in the Mamoré River basin; near-normal rainfall recorded in the basins of the Beni, Curuá Una, Guaporé, Iririr, Juruena, Marañon, Tapajós, and Ucayali rivers. The multimodel indicates, for the period from March 4, 2026, to March 10, 2026, a forecast of above- normal rainfall over the main course of the Amazon River in Peruvian territory, the basins of the Beni, Branco, Coari, Curuá Una, Içá, Japurá, Javari, Juruá, Jutaí, Madeira, the left-bank basins of the Amazon River in the northeast of the state of Amazonas and the northwest of the state of Pará, Napo, Negro, Purus, Tefé, Ucayali, and the main course of the Solimões River; forecast of rainfall below climatological norms over the basins of the Abacaxis, Teles Pires, and Xingu rivers.