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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.

Little Colorado River at Woodruff Water Level

Live river level, flow, historical records and forecast for Little Colorado River at Woodruff in AZ, United States, built from official government gauge data.

About Little Colorado River at Woodruff

Little Colorado River at Woodruff - A vital artery in Arizona's high desert.

The Little Colorado River at Woodruff flows through a dynamic and challenging landscape. This river is part of the Upper Little Colorado watershed, which encompasses a broad drainage area of about 8,072 square miles. This vast catchment plays an essential role in capturing runoff and managing water resources across the region. As a vital water source in an arid state, the river's flow can fluctuate dramatically, driven by seasonal rainfall and the effects of monsoon storms.

The watershed context

In the context of Arizona’s hydrology, the Upper Little Colorado River exhibits a unique seasonal rhythm. The summer monsoon thunderstorms can spur intense flash floods, while winter storms and melting snow from the higher elevations contribute vital flow to the river system. However, many channels along the river can run dry between these sporadic events, highlighting the variability of water availability in arid locales. This makes the monitoring of conditions at Woodruff particularly important for understanding water resources not just in immediate areas, but also for communities and ecosystems downstream.

Why the data matters here

Today's measurement from the Little Colorado River at Woodruff is a key indicator of current conditions in the watershed. Monitoring agencies like the U.S. Geological Survey (USGS) provide data regarding river levels, which can be crucial for managing resources, preparing for potential floods, or understanding drought conditions. The importance of comparing today's reading against the median for this calendar day over the station's historical record (which spans more than 50 years) cannot be understated; it gives a clearer picture of the river's health and flow dynamics than simply looking at raw elevation numbers alone. This insight aids local cottagers, farmers, and flood-watchers in making informed decisions and adapting to the ever-changing water landscape.

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