Individual analysis by river basin

Branco River Basin

Updated on August 5, 2026

Accumulated precipitation vs climatology

30 days
chart

Comparison between climatological quantiles and observed accumulation.

Anomaly and trend

14 to 28 days
chart

Anomaly, forecast and observed indicators.

Basin highlights

The climatology of the period under analysis indicates rainfall with records varying between 225 and 257 mm being considered normal (reference quantiles 42.5% and 57.5%). On August 5, 2026, 58 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 -3.0, classifies the basin as extremely dry. In the coming weeks, climate behavior indicates a decrease in rainfall volumes, the sub-seasonal forecast model suggests extremely dry behavior or a tending to be extremely dry.

Climatology

225 mm - 257 mm

Observed 30 days

58 mm

Anomaly index

-3.0

Basin classification

extremely dry

Forecast

extremely dry behavior or a tending to be extremely dry