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Nibi Metrics

Real-time water levels, forecasts, and alerts for lakes and rivers across Canada and the US. Built on official government data.

Nibi Metrics turns raw gauge readings from official hydrometric networks into something a person standing on a dock can actually use: is the water high or low for today, which way is it moving, and how unusual is this? This page explains where every number on the platform comes from and what we do to it along the way.

Water Stories

The flood of record that was overtaken

For five years, spring 2019 was the mark every Lake Muskoka decision answered to. In April 2026 the lake went two centimeters higher - and the official books have not caught up yet.

Why the Assiniboine floods every spring

Inside the freshet cycle that puts Manitoba shorelines at risk each year - and why 2026 broke the script.

How snowpack becomes summer water

The science of snow water equivalent and why it drives the season ahead.

Reading a staff gauge like a hydrologist

What the numbers on the measuring stick actually tell you.

Flash Flood Alley: how Texas rivers rise in hours

Why Central and South Texas rivers go from gravel beds to fifty-year records in an afternoon - including July 2026 on the Nueces.

What a "100-year flood" actually means

One percent, every year, forever - unwrapping hydrology's most misunderstood phrase, and how it differs from our own percentiles.

Canal de Patillas at Intake 113 Salinas Water Level

Live river level, flow, historical records and forecast for Canal de Patillas at Intake 113 Salinas in PR, United States, built from official government gauge data.

About Canal de Patillas at Intake 113 Salinas

Canal de Patillas - A vital channel for Southern Puerto Rico's hydrology.

The Canal de Patillas at Intake 113 Salinas plays a critical role in the network of waterways that define Southern Puerto Rico. This river channel, managed by the U.S. Geological Survey, captures the dynamic nature of the region's hydrology, which is heavily influenced by tropical rainfall. In this part of Puerto Rico, the landscape is shaped by frequent rainfall-driven events, especially during hurricane season, resulting in quick and significant fluctuations in water levels.

The watershed context

Draining directly into the Canal de Patillas, various nearby waterways, such as the Aes Intake Canal and several branches of the Canal de Juana Diaz, contribute to a fluid system that is both responsive and vulnerable to the climatic powers that affect the region. Given the tropical island environment, the area experiences rapid creek and canal responses to intense storm events. The interconnected nature of these water bodies means that a rise in one can contribute to swift changes in another, making this river channel an essential focus for flood monitoring and water management strategies.

Why the data matters here

The data collected at this station, including discharge measurements, is essential for understanding the health of the Canal de Patillas and the surrounding watershed. Today’s reading provides insight into local water conditions, particularly how they are shifting in relation to the historical median for this date. Over the last 19 years, this information has been invaluable for local water resource management, environmental monitoring, and community awareness around flooding risks. Comparing today’s reading against median levels allows for a better assessment of current conditions, helping ensure the safety and well-being of both residents and the ecosystem.

How this page is built

Readings come from official government gauges and are rolled into daily records: the daily mean, high and low for every day on record. Each calendar day gets its own baseline from the full history, so the level you see is compared against what this specific date usually looks like rather than an annual average.

How Nibi Metrics works · Water stories