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 January 6 to February 4, 2026, below-average rainfall caused precipitation deficits along the main course of the Amazon River in Brazilian territory, the watersheds of the Abacaxis, Aripuanã, Coari, Curuá Una, Guaporé, Iriri, Juruena, Jutaí, Mamoré, the left bank basins of the Amazon River in the northeast and northwest of the state of Pará, Tapajós, Teles Pires, Xingu, and the main course of the Solimões River; rainfall above climatological norms was recorded on the main course of the Amazon River in Peruvian territory and in the basins of the Içá, Marañon, Napo, Negro, and Ucayali rivers; rainfall close to normal recorded over the Beni, Branco, Japurá, Javari, Ji-Paraná, Juruá, and Madeira river basins, basins on the left bank of the Amazon River in the northeast of the state of Amazonas, Purus, and Tefé. The multimodel indicates below-normal rainfall for the coming weeks in the northeast and south of the monitored region, along the main course of the Amazon River in Brazilian territory, the Aripuanã, Beni, Curuá Una, Guaporé, Iriri, Ji-Paraná, Juruena, Mamoré, basins on the left bank of the Amazon River in the northeast and northwest of the state of Pará, and Xingu; rainfall above climatology is forecast for the Coari River basin.