Individual analysis by river basin
Updated on November 12, 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 145 and 171 mm being considered normal (reference quantiles 42.5% and 57.5%). On November 12, 2025, 125 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 -1.1, classifies the basin as dry condition. In the coming weeks, climate behavior indicates a increase in rainfall volumes, the sub-seasonal forecast model suggests dry behavior or a tending to be dry.
Climatology
145 mm - 171 mm
Observed 30 days
125 mm
Anomaly index
-1.1
Basin classification
dry condition
Forecast
dry behavior or a tending to be dry