Individual analysis by river basin
Updated on October 22, 2025
Accumulated precipitation vs climatology
30 days
Comparison between climatological quantiles and observed accumulation.
Anomaly and trend
14 to 28 days
Anomaly, forecast and observed indicators.
Basin highlights
The climatology of the period under analysis indicates rainfall with records varying between 81 and 102 mm being considered normal (reference quantiles 42.5% and 57.5%). On October 22, 2025, 172 mm of average accumulated precipitation was observed over the basin in 30 days, the calculation of the average of the categorized anomaly index in the basin area the value of 2.4, classifies the basin as ver rainy. In the coming weeks, climate behavior indicates a increase in rainfall volumes, the sub-seasonal forecast model suggests very rainy behavior or a tending to be very rainy.
Climatology
81 mm - 102 mm
Observed 30 days
172 mm
Anomaly index
2.4
Basin classification
ver rainy
Forecast
very rainy behavior or a tending to be very rainy