WHAT'S HAPPENING NOW
+88.8 ft above typical
Finding the top signal on the water…
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.
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Live river level, flow, historical records and forecast for Manoa-Palolo Drainage Canal at Moiliili, Oahu in HI, United States, built from official government gauge data.
Manoa-Palolo Drainage Canal - A vital conduit on Oahu.
The Manoa-Palolo Drainage Canal at Moiliili is an important waterway on Oahu, capturing the rapid rainfall runoff in the region. As a drainage canal, it plays a crucial role in managing the often intense rainfall experienced on the island. Unlike many regions where snowmelt dictates flow patterns, Oahu’s hydrology is characterized by flash floods driven by heavy rainfall events.
The Manoa-Palolo Drainage Canal is part of Oahu's watershed, which encompasses an area of approximately 10.2 square miles upstream of the monitoring station. This catchment experiences significant shifts in water levels during periods of rain, responding rapidly to the island's tropical climate. Neighboring water bodies, such as Heeia Stream and Kalihi Stream, share this dynamic environment, highlighting the interconnected nature of Oahu’s water systems. Flash floods can occur in a matter of minutes, making monitoring data crucial for local residents and emergency management.
Today's reading from the Manoa-Palolo Drainage Canal is significant when compared to the historical median for this date. The U.S. Geological Survey (USGS) provides valuable insights into the water levels in this area, where understanding real-time conditions helps to inform local stakeholders, including residents and public safety officials. Utilizing this measurement alongside historical data allows for better preparation and response to potential flooding events. Monitoring the canal ensures that the community remains aware of changing conditions and can act accordingly.
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.