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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.

Yuma Main Canal Blw Colorado R. Siphon at Yuma Water Level

Live river level, flow, historical records and forecast for Yuma Main Canal Blw Colorado R. Siphon at Yuma in AZ, United States, built from official government gauge data.

About Yuma Main Canal Blw Colorado R. Siphon at Yuma

Yuma Main Canal - a vital irrigation artery in the desert.

The Yuma Main Canal, located below the Colorado River Siphon in Yuma, Arizona, serves as a key conduit in the arid landscapes of the Yuma Desert. This river segment plays an essential role in providing irrigation for agriculture in a region known for its semi-arid climate. Given the landscape’s challenging hydrology, the canal takes on a critical function in transporting water where it is most needed.

The watershed context

Flowing from the Colorado River, the Yuma Main Canal is surrounded by an intricate network of irrigation channels, including peers like the Gila Gravity Canal and the McAs Diversion of B Canal. This complex system of canals supports the local agriculture, vital for the economy and sustenance of the region. The Yuma Desert itself can experience dramatic shifts in water availability; summer monsoon thunderstorms can lead to sudden, intense flash floods, while winter storms and snowmelt from higher elevations can boost river flows. These seasonal variations underscore the importance of reliable irrigation supplied through the canal.

Why the data matters here

Monitoring the flow of the Yuma Main Canal is crucial, particularly in managing agricultural water use during the summer months when demands peak. The real-time data from the USGS measures discharge, enabling farmers and water managers to make informed decisions about irrigation schedules and resource allocation. Today's reading, compared against the median for this calendar day across the station's historical record of over 50 years, provides a clearer context for current conditions than raw elevation figures alone. This benchmarking highlights changes in flow that are a direct reflection of the watershed's response to climatic events.

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