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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.

Casias Creek near Costilla Water Level

Live river level, flow, historical records and forecast for Casias Creek near Costilla in NM, United States, built from official government gauge data.

About Casias Creek near Costilla

Casias Creek - a vital waterway in the Upper Rio Grande watershed.

Casias Creek flows near Costilla in New Mexico, nestled within the expansive Upper Rio Grande watershed. This river plays a crucial role in capturing and channeling water within its catchment, draining approximately 18.7 square miles. The creek interacts with a network of other local water sources like Alamitos Creek and Costilla Creek, which contribute to the hydrology of this arid region.

The watershed context

The Upper Rio Grande watershed is defined by a unique hydrological rhythm influenced by the state’s arid climate. High-country snowmelt in the spring helps elevate water levels in major rivers, including those in this watershed, providing essential moisture during warmer months. As the summer progresses, the region experiences a series of monsoon storms from July to September, which can lead to sporadic and intense flash flooding. This dynamic makes the river system reliant on both seasonal meltwater and storm events to sustain its flow.

Why the data matters here

The USGS operates the monitoring station at Casias Creek, providing valuable insights into the creek's flow and gauge readings. Today's reading offers a vital statistic: it measures the creek's current flow against the median for this calendar day over a historical record spanning 50 years. This comparison helps illustrate the creek's performance against its seasonal norms, providing a better context than merely assessing elevation alone. Understanding these conditions is crucial for stakeholders like anglers, farmers, and anyone affected by the region's water availability, especially in a landscape that often fluctuates between dry spells and sudden floods.

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