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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

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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.

Marys Creek at Carlin Water Level

Live river level, flow, historical records and forecast for Marys Creek at Carlin in NV, United States, built from official government gauge data.

About Marys Creek at Carlin

Marys Creek - A vital waterway of the Upper Humboldt.

Marys Creek, flowing at Carlin in Nevada, plays an important role in the regional water dynamics of the Upper Humboldt watershed. This creek, alongside its neighboring streams such as Hanks Creek, Maggie Creek, and the Humboldt River, contributes to the intricate hydrology of this arid region, influenced by seasonal mountain snowmelt and occasional summer thunderstorms.

The watershed context

The Upper Humboldt watershed encompasses a drainage area of roughly 45.4 square miles, where Marys Creek meanders through a landscape characterized by fluctuating water levels. These natural variations are driven primarily by snowmelt in the spring, which tends to create peak flows among the perennial rivers in the area. During hotter months, localized thunderstorms may result in sudden, short-term flash floods, affecting channels like Marys Creek that can otherwise be ephemeral.

The geographic context of Marys Creek situates it amid a network of interrelated waterways, with the Humboldt River serving as a nearby peer. Together, these rivers shape the hydrological tapestry of northern Nevada, sustaining local ecosystems and contributing to agricultural practices throughout the watershed.

Why the data matters here

Understanding the water levels and flow conditions at Marys Creek is critical for both ecological health and regional water management. The U.S. Geological Survey (USGS) monitors this station and provides real-time data, which can be pivotal for flood prediction, irrigation planning, and habitat preservation.

Today's reading reflects the current state of the creek compared to the median level for this calendar day across a historical record spanning 37 years. This context is essential; assessing water levels against the median allows for a better understanding of current conditions and potential future trends. Because Marys Creek's hydrology is influenced by both seasonal changes and local weather conditions, this data is invaluable for local stakeholders, including cottagers, farmers, and flood-watchers, ensuring decisions made here are informed and timely.

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