Individual analysis by river basin
Updated on January 7, 2026
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 207 and 235 mm being considered normal (reference quantiles 42.5% and 57.5%). On January 7, 2026, 186 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 very dry contition. 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
207 mm - 235 mm
Observed 30 days
186 mm
Anomaly index
-0.9
Basin classification
tendency to very dry contition
Forecast
dry behavior or a tending to be dry