Individual analysis by river basin

Ucayali River Basin

Updated on February 25, 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 183 and 204 mm being considered normal (reference quantiles 42.5% and 57.5%). On February 25, 2026, 227 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 0.7, classifies the basin as tendency to rainy condition. In the coming weeks, climate behavior indicates a increase in rainfall volumes, the sub-seasonal forecast model suggests behavior close to normality or a tending to be rainy.

Climatology

183 mm - 204 mm

Observed 30 days

227 mm

Anomaly index

0.7

Basin classification

tendency to rainy condition

Forecast

behavior close to normality or a tending to be rainy