Individual analysis by river basin
Updated on December 3, 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 206 and 235 mm being considered normal (reference quantiles 42.5% and 57.5%). On December 3, 2025, 191 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 -0.9, classifies the basin as tendency to dry contition. In the coming weeks, climate behavior indicates a increase in rainfall volumes, the sub-seasonal forecast model suggests behavior close to normality.
Climatology
206 mm - 235 mm
Observed 30 days
191 mm
Anomaly index
-0.9
Basin classification
tendency to dry contition
Forecast
behavior close to normality