#hawaii mesonet

Hawaiʻi inundated in March by 2 trillion gallons of water, triggering historic flooding

Hawaiʻi Mesonet and Hawaiʻi Climate Data Portal data show the accumulated rainfall throughout 14 days in March during back-to-back kona lows reached as high as 3,000% of normal historical levels for this time of year, culminating in a destructive “rain bomb” over Oʻahu.

2025 was Hawai‘i’s second driest, warmest year on record, new report confirms

Published by the University of Hawai‘i Sea Grant College Program, this first-of-its-kind report uses plain language, along with easy-to-interpret maps and figures, to summarize statewide rainfall, temperature, and drought conditions over the past year.

University of Hawai‘i scientists create maps to better predict wildfire risk

Unlike the current Red Flag Warning system, which relies on weather from a limited number of stations, these maps provide a daily, high-resolution look at the most current fire ignition risks statewide.