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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.

New River near Rock Springs, AZ. Water Level

Live river level, flow, historical records and forecast for New River near Rock Springs, AZ. in AZ, United States, built from official government gauge data.

About New River near Rock Springs, AZ.

New River - A vital flow in the arid Southwest.

The New River near Rock Springs, Arizona, meanders through the arid landscape of the Agua Fria watershed, a crucial source of water in this semi-desert region. Characterized by a history of rapid and volatile changes, the river responds dramatically to the seasonal patterns of the region's hydrology, especially the monsoonal thunderstorms of summer and the winter storms that bring snowmelt from the higher elevations.

The watershed context

Draining roughly 68 square miles, the New River feeds into the Agua Fria River, which is known for its occasional dry stretches between significant rain events. Its peers – including the Agua Fria River near Mayer and Cave Creek below Cottonwood Creek – share similar challenges and characteristics, making this stretch of the New River an integral part of the regional hydrological network. As storms pass through the region, the risk of flash flooding rises sharply, necessitating vigilance among those living and recreating near its banks.

Why the data matters here

Monitoring the New River is essential, particularly in understanding the shifts in flow and the timing of seasonal events. The USGS operates the gauge at this location, providing invaluable data to track changes in water levels. The data, when compared against historical medians for this date, offers insights into current conditions. Today's reading serves as a barometer for gauging river health and responsiveness to climatic events. Comparing today's reading to the median for this calendar day, based on more than 50 years of record at this station, allows users to assess how current conditions stack up against historical patterns and to prepare for potential variations in flow due to ongoing weather phenomena.

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