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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.

Rio Limon above Lago Dos Bocas Water Level

Live river level, flow, historical records and forecast for Rio Limon above Lago Dos Bocas in PR, United States, built from official government gauge data.

About Rio Limon above Lago Dos Bocas

Rio Limon - A vital river with rapid response to rainfall.

The Rio Limon above Lago Dos Bocas flows gracefully through the lush landscape of Puerto Rico, nestled in the Cibuco-Guajataca watershed. With a drainage area of approximately 31.5 square miles above the station, it plays an essential role in managing the region’s water flow, especially during intense rainfall events characteristic of the tropical climate.

The watershed context

This river is part of a network that includes several notable peers, such as the Canal de Aguadilla and Lago Guerrero, each contributing to the overall hydrology of the area. The steep, short basins surrounding the Rio Limon enable the river to respond rapidly to rainfall, a common feature in tropical island hydrology. Flash floods can occur swiftly as the weather changes, reinforcing the importance of real-time monitoring and data collection for those living near or depending on its resources.

Why the data matters here

Monitoring stations like the one for the Rio Limon, operated by the U.S. Geological Survey (USGS), not only provide valuable river levels but also measure discharge, which is crucial for flood forecasting and ecological management. Today's reading, when compared to the median for this date across 27 years of collected data, offers insights into the current state of the river. This context is vital, as it allows stakeholders to assess whether the river's flow levels are typical for this time of year or if unusual conditions are developing. Understanding these variations against historical data empowers cottagers, farmers, and local communities to make informed decisions about water use and safety in times of heightened risk.

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