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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.

Tanana R at Nenana AK Water Level

Live river level, flow, historical records and forecast for Tanana R at Nenana AK in AK, United States, built from official government gauge data.

About Tanana R at Nenana AK

Tanana River - A vital artery through Alaska.

The Tanana River at Nenana is a significant waterway that plays a crucial role in the hydrology of Alaska. With its expansive drainage area of approximately 25,560 square miles, this river showcases the characteristics typical of subarctic systems. As it flows, it connects with other important water bodies in the region, such as the Tanana River at Fairbanks, further emphasizing its network within the landscape.

The watershed context

The Tanana Flats-Tanana River watershed is marked by a strong seasonal rhythm influenced by subarctic hydrology. Spring breakup and snowmelt dominate the annual cycle, leading to potential flooding events, often exacerbated by ice jams. As winter sets in, low flows under ice are commonplace, while glacier-fed rivers typically reach their peak flow in mid-to-late summer. This dynamic environment requires attentiveness from local communities and stakeholders who rely on the river's health for various activities including fishing and transportation.

Why the data matters here

Understanding current water levels, as measured by the U.S. Geological Survey (USGS), is essential for managing the resources along the Tanana River. Today's reading provides insights into the river's flow dynamics, particularly when compared to the historical median for this date, which helps gauge the ongoing conditions against historical data over the past 50 years. Such comparisons illuminate trends and emerging patterns that may affect flood risks, water supply, and ecological health in the region. Tracking these levels is vital for ensuring safety and sustainability as seasonal changes unfold.

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