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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.

Tonto Creek above Gun Creek, near Roosevelt Water Level

Live river level, flow, historical records and forecast for Tonto Creek above Gun Creek, near Roosevelt in AZ, United States, built from official government gauge data.

About Tonto Creek above Gun Creek, near Roosevelt

Tonto Creek - Seasonal waters shaped by the rhythms of the desert.

Tonto Creek above Gun Creek, near Roosevelt, flows through the heart of Arizona’s arid landscape, deeply influenced by the region's unique hydrology. This river, part of the Tonto watershed, has a significant drainage area of approximately 675 square miles feeding into it. The characteristics of Tonto Creek exemplify the violent fluctuations typical of the Southwest's waterways, subject to both the torrential summer monsoon rains and the seasonal melts from high-country snow in winter.

The watershed context

The Tonto watershed is a dynamic system where water is both a precious resource and a powerful force. During summer, monsoon thunderstorms can lead to dramatic flash floods, reinforcing the creek’s role in the surrounding ecosystem. These sudden, intense storm events can transform the quiet creek into a raging waterway in a matter of hours, showcasing the essential balance of water and life in the arid Southwest. Between these events, Tonto Creek experiences dry stretches, reflecting the seasonal rhythm of precipitation and evaporation that defines the region.

Why the data matters here

Today's reading from Tonto Creek, measured by the U.S. Geological Survey (USGS), provides valuable insight into its current state compared to historical data. Understanding this creek's flow is vital for local farmers, cottagers, and communities that rely on the water for their livelihoods and recreation. The reading is compared against the median for this date across the past 50 years, which offers a more informative picture than just raw elevation. Tracking these figures helps gauge water availability, informs flood risks, and supports sustainable practices in managing this important resource.

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