Individual analysis by river basin
Updated on July 30, 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 100 and 120 mm being considered normal (reference quantiles 42.5% and 57.5%). On July 30, 2025, 56 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 -2.1, classifies the basin as very dry condition. In the coming weeks, climate behavior indicates a decrease in rainfall volumes, the sub-seasonal forecast model suggests behavior close to normality.
Climatology
100 mm - 120 mm
Observed 30 days
56 mm
Anomaly index
-2.1
Basin classification
very dry condition
Forecast
behavior close to normality