Individual analysis by river basin

Coari River Basin

Updated on April 2, 2025

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 282 and 307 mm being considered normal (reference quantiles 42.5% and 57.5%). On April 2, 2025, 215 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 -2.2, classifies the basin as very 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

282 mm - 307 mm

Observed 30 days

215 mm

Anomaly index

-2.2

Basin classification

very dry condition

Forecast

dry behavior or a tending to be dry