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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.

Colorado Rvr above Ocean to Ocean Bridge near Yuma Water Level

Live river level, flow, historical records and forecast for Colorado Rvr above Ocean to Ocean Bridge near Yuma in AZ, United States, built from official government gauge data.

About Colorado Rvr above Ocean to Ocean Bridge near Yuma

Colorado River above Ocean to Ocean Bridge near Yuma - a vital lifeline in the desert landscape.

The Colorado River above the Ocean to Ocean Bridge near Yuma is a crucial watercourse in the arid surroundings of Arizona. Characteristically, this section of the river serves not only as a resource for local communities but also as a key player in the region's complex hydrology. The river connects various diversions and canals that support agricultural needs, making it essential for both everyday life and ecological balance in the area.

The watershed context

This reach of the Colorado River operates within the Lower Colorado watershed, renowned for its diverse system of canals and agricultural practices. Among its neighbors are channels like the All-American Canal and inflows from the City of Yuma's sewage treatment plant. These connections illustrate the interdependent nature of water management in the region, especially in a landscape where traditional water sources can often run dry between events.

Arizona experiences a distinct seasonal rhythm characterized by summer monsoon thunderstorms that can lead to abrupt flash floods. In contrast, winter storms and snowmelt further inland contribute to flows in the larger river systems. This dichotomy poses both opportunities and challenges for those reliant on consistent water supplies.

Why the data matters here

Today's reading of the Colorado River above the Ocean to Ocean Bridge is significant as it offers insights into current conditions compared to the historical data tracked over more than three years by the U.S. Geological Survey (USGS). Understanding the river's elevation relative to the median for this calendar day aids in assessing its performance and reliability as a water source. By using median values, stakeholders can effectively monitor how the river adjusts to both seasonal variations and event-driven changes, providing a clearer picture of its ongoing management and vitality in this dry region.

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