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 November 25 to December 24, 2025, below-average rainfall caused precipitation deficits in the main course of the Amazon River in Brazilian and Peruvian territories, the Branco, Içá, Iriri, Japurá, Javari, Juruá, Juruena, and Marañon river basins, the left bank basins of the Amazon River in northeastern Pará State, and the Napo, Negro, Teles Pires, Ucayali, and Xingu; excessive precipitation was recorded in the Abacaxis, Ji-Paraná, Mamoré, basins on the left bank of the Amazon River in northeastern Amazonas State, and Tefé; near-normal rainfall over the Aripuanã, Beni, Coari, Curuá Una, Guaporé, Jutaí, Madeira river basins, basins on the left bank of the Amazon River in the northwest of the state of Pará, Purus, Tapajós and the main course of the Solimões River. The multimodel indicates that for the coming weeks, rainfall is expected to be above normal in the southwest of the monitored region, in the Beni, Mamoré, and Ucayali river basins; rainfall is expected to be below normal in the Içá, Ji-Paraná, Juruena, Teles Pires, and Xingu river basins.