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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.

Big Chino Wash at Paulden Water Level

Live river level, flow, historical records and forecast for Big Chino Wash at Paulden in AZ, United States, built from official government gauge data.

About Big Chino Wash at Paulden

Big Chino Wash - A dynamic stream shaped by the elements.

Big Chino Wash, nestled in Arizona's Upper Verde watershed, showcases the powerful interplay of seasonal rainfall and arid climate. This river, measured at Paulden, serves as an essential conduit for the runoff generated by summer monsoon thunderstorms and winter storms. Its character is dictated by the ebb and flow of water, often running dry between storm events, a typical scene for many desert waterways. The hydrology here reminds us of nature's unpredictable rhythm, where periods of calm can give way to sudden, dramatic floods.

The watershed context

The Upper Verde watershed is home to several tributaries and peers, including Beaver Creek near Lake Montezuma and Granite Creek in Prescott, which collaboratively contribute to the region's water dynamics. Many of these channels, like Big Chino Wash, are influenced heavily by brief, intense rain events typical of the summer months. In contrast, winter storms coupled with melting snow in the high country nurture the larger rivers that underlie this unique ecosystem.

The dry spells between these seasonal storms can significantly shape the landscape, altering sediment deposits and affecting wildlife habitats. This rhythm is crucial for local ecology, as the setting allows plant and animal life to adapt to variable water availability throughout the year.

Why the data matters here

Today's reading from the Big Chino Wash is valuable, especially when compared against the historical median for this calendar day; it provides a more comprehensive understanding of water flow variability in this dynamic environment. The heroic number tells us where current conditions stand relative to the average situation across the nine years of record-keeping managed by the U.S. Geological Survey (USGS). This comparison is pivotal for applications like flood forecasting, water resource management, and agricultural planning in a region where rapid changes in river conditions can profoundly impact daily life.

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