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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.

Cayoosh Creek near Lillooet Water Level

Live river level, flow, historical records and forecast for Cayoosh Creek near Lillooet in Canada, BC, Canada, built from official government gauge data.

About Cayoosh Creek near Lillooet

Cayoosh Creek - A vital connector in the Lower Fraser watershed.

Cayoosh Creek, located near Lillooet, British Columbia, is a river that plays an important role in the hydrology of the Lower Fraser - Bridge watershed. With a substantial drainage area of approximately 887 square kilometres, Cayoosh Creek channels snowmelt and precipitation runoff, particularly during the freshet season that typically peaks from May to July.

The watershed context

This region experiences mountain hydrology, characterized by its responsiveness to snowpack accumulation and melting. Cayoosh Creek joins other significant waterways, such as the Bridge River and Seton River, contributing to the dynamic water systems of the area. As glacial and snowmelt sources feed rivers through the warmer months, the flow of Cayoosh Creek remains noteworthy. Its seasonal variations are reflective of the broader patterns seen throughout British Columbia, where winter snowpack and subsequent runoff significantly shape stream conditions.

Why the data matters here

Maintaining a clear understanding of water levels in Cayoosh Creek is essential for managing resources and ensuring ecological balance. As recorded by the Water Survey of Canada, the data here provides insights into historical trends, comparisons, and flow levels relevant to both the local flora and fauna and to human activities in the region.

Today's water level reading can be contextualized against the historical records. By comparing it to the median for the calendar day over the past 49 years, stakeholders can gain valuable insights into the creek's health and behavior, making informed decisions about usage and conservation. This data represents a crucial aspect of living in harmony with and understanding the hydrological intricacies of the Cayoosh Creek.

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