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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.

Fraser River at Mission Water Level

Live river level, flow, historical records and forecast for Fraser River at Mission in Canada, BC, Canada, built from official government gauge data.

About Fraser River at Mission

Fraser River - A vital waterway of the Lower Fraser - Coast.

The Fraser River at Mission flows through the heart of British Columbia, embodying the dynamic nature of the region's mountain hydrology. This section of the river serves as a crucial point for monitoring and understanding the water conditions that impact both ecosystems and communities alike.

The watershed context

Draining an extensive area of approximately 228,000 square kilometres, the Fraser River carries water from a diverse network of tributaries and streams, connecting various ecosystems along its route. The river is flanked by significant neighbouring water bodies, including the Alouette River, Chilliwack River, and Cedar Creek, which also contribute to the Lower Fraser - Coast watershed. This expansive watershed experiences a freshet driven by snowpack, typically peaking between May and July, a testament to the mountain origins of this powerful waterway.

Why the data matters here

For local communities, the data from the Fraser River at Mission is invaluable. The monitoring station provides insights into river flow and levels, helping to inform activities such as agriculture, fishing, and recreational pursuits. By comparing today’s reading against the median for this date, authorities and residents can gauge current conditions accurately.

Today’s water level reading can be assessed in context with the historical record spanning over 49 years from the Water Survey of Canada. Understanding the day-to-day variations against historical norms aids in mitigating risks and making informed decisions that respect both human and ecological needs.

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