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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.

Unalakleet R AB Chiroskey R near Unalakleet AK Water Level

Live river level, flow, historical records and forecast for Unalakleet R AB Chiroskey R near Unalakleet AK in AK, United States, built from official government gauge data.

About Unalakleet R AB Chiroskey R near Unalakleet AK

Unalakleet River - A key tributary in Alaska's Subarctic landscape.

The Unalakleet River above Chiroskey River near Unalakleet connects a unique hydrological system characteristic of Alaska's subarctic environment. This river, part of the Unalakleet watershed, serves as a vital waterway influenced by seasonal cycles of snowmelt and glacial runoff, which dictate its flow patterns throughout the year.

The watershed context

The Unalakleet River is classified as a river and spans a drainage area of roughly 1,050 square miles, draining the land above the measurement station. This area is known for its diverse hydrology, where spring breakup and snowmelt trigger significant flooding events, often compounded by ice jams. As winter concludes, melting snow infiltrates the river system, contributing to the annual flood peaks. This region experiences deep winter flows under ice, which naturally decline as summer approaches. By mid-to-late summer, glacier-fed rivers often see their flow peak, influenced by snowpack melting in surrounding areas.

As the summer season progresses, water levels will show a natural decrease due to evaporation and reduced inflow. During this time, monitoring the river's flow becomes essential for understanding its seasonal patterns and impacts on the surrounding environment.

Why the data matters here

Data from the Unalakleet River at the Chiroskey River measuring station, operated by the U.S. Geological Survey (USGS), provides crucial insights into water conditions. This station not only measures elevation but also monitors discharge, allowing for a comprehensive understanding of the river's health and capacity over time.

Today's reading, compared against the median for this calendar day across a historical record spanning 29 years, offers valuable context. Tracking these fluctuations—rather than just raw elevation—lends a clearer picture of water conditions and helps anticipate the natural rhythms of this unique subarctic river ecosystem. Understanding these metrics enables local communities, including anglers and farmers, to make informed decisions based on seasonal water availability and flood potential.

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