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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.

Rio Hondo Blw Diamond A Dam near Roswell Water Level

Live river level, flow, historical records and forecast for Rio Hondo Blw Diamond A Dam near Roswell in NM, United States, built from official government gauge data.

About Rio Hondo Blw Diamond A Dam near Roswell

Rio Hondo Blw Diamond A Dam - A vital flow in the arid Southwest.

The Rio Hondo below Diamond A Dam near Roswell, New Mexico, is an essential waterway in an area heavily influenced by the dynamics of arid Southwest hydrology. This segment of the river reflects the seasonal patterns influenced by high-country snowmelt in the spring and the unpredictable monsoon storms that often bring summer flash floods. The region experiences long stretches of dry conditions, making water flow in this area a critical factor for both natural ecosystems and local human needs.

The watershed context

The Rio Hondo flows through a watershed of approximately 963 square miles, where it links various smaller tributaries and streams like Eagle Creek and the North Fork of Eagle Creek. Each of these water bodies plays a role in capturing snowmelt runoff, particularly in the spring months. As the snowpack in the higher elevations melts, it feeds into the Rio Hondo, contributing to its flow and allowing it to fulfill important ecological and recreational functions.

During the summer, conditions can shift dramatically due to monsoon storms, which can suddenly increase flow levels and lead to flash flooding. While this phenomenon can pose risks, it can also rejuvenate the river's ecosystem, promoting new growth along its banks. Each of these climatic elements helps shape the character of the Rio Hondo, influencing both the aquatic life that calls it home and the communities that rely on its waters.

Why the data matters here

Monitoring the Rio Hondo at Diamond A Dam is crucial for understanding the health and variability of water flows in this region. With a history spanning over 50 years of record-keeping by the USGS, current readings against historical medians provide valuable insights into long-term trends and potential shifts in hydrological patterns. Today's measurement adds context to seasonal expectations, allowing local residents, farmers, and outdoor enthusiasts to make informed decisions. Comparing current levels to the median for this calendar day reveals important information about river conditions that aids in planning and risk assessment. The USGS remains dedicated to providing this data to ensure the community is informed about its vital water resources.

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