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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.

Preston Big Sprg near Preston Water Level

Live river level, flow, historical records and forecast for Preston Big Sprg near Preston in NV, United States, built from official government gauge data.

About Preston Big Sprg near Preston

Preston Big Spring - a vital water source in the arid Great Basin.

Nestled within Nevada's White watershed, Preston Big Spring stands as an important river, reflecting the unique hydrology of the region. Here, the interplay of mountain snowmelt during spring and local thunderstorms in summer can dramatically affect water levels. It is a reminder of the delicate balance within the arid landscapes of the Great Basin.

## The watershed context Preston Big Spring plays a key role in the White watershed, contributing to the limited water resources available in this semi-arid environment. Influences from the surrounding mountains can drive spring flows, while the summer months often bring sudden rainfall events that may lead to flash floods in the area. The hydrology here is shaped by these seasonal patterns, making water management especially critical as conditions shift throughout the year.

Nearby, Hot Creek near Sunnyside provides a comparison point within the same watershed, sharing similarities in seasonal fluctuations and the challenges posed by the arid climate. Such connections highlight the interdependence of water bodies in maintaining ecosystem health and water availability.

## Why the data matters here The importance of up-to-date measurement from the Preston Big Spring gauge cannot be overstated. Today's reading, collected by the U.S. Geological Survey, provides essential insights for local stakeholders who depend on this water source for various purposes, from agriculture to domestic use. Monitoring current water levels against the median for this calendar day across 44 years of historical records allows us to better understand trends and anomalies in the landscape. This data serves as a crucial tool for assessing water availability and forecasting potential issues related to flooding or drought. Keeping track of these numbers helps safeguard both the environment and the communities relying on this precious resource.

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