Rainfall totals top 15 inches for parts of Maui - Hawaii News Now - KGMB and KHNL

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Rainfall totals top 15 inches for parts of Maui

Iao Valley (Image: Keith Regan/Facebook) Iao Valley (Image: Keith Regan/Facebook)
(Image: Maui County) (Image: Maui County)
HONOLULU (HawaiiNewsNow) -

This week's storms dumped a foot or more of rain in parts of Maui, while rainfall totals on Oahu and the Big Island topped seven inches.

The National Weather Service said during the three-day period ending at 7 a.m. Thursday, 15.36 inches of rain was recorded at the Puu Kukui rain gauge in the West Maui Mountains.

The Puu Alii gauge on Molokai recorded 11.98 inches, while Hana Airport picked up 10.74.

Other rainfall totals for Maui County include: 

  • 8.27 inches at West Wailuaiki
  • 4.95 inches at Makapulapai
  • 4.92 inches at Haiku
  • 4.21 inches at the Molokai 1 gauge.

The torrential rains caused major flooding on Maui, and prompted the mayor to issue an emergency proclamation to help manage the clean-up.

On Oahu, Hakipuu Mauka in Windward Oahu recorded 9.40 inches over the period, Nuuanu Upper got 8.43 inches, and the Tunnel Rain Gauge from the U.S. Geological Survey recorded 7.81 inches.

The nearby Moanalua Rain Gauge recorded 7.71 inches.

Other totals of note on Oahu include 7.46 inches at Manoa Lyon Arboretum and 5.25 inches at Ahuimanu Loop.

On the Big Island, Glenwood picked up 7.31 inches of rain, while Waiakea Uka recorded 5.56 inches and Piihonua recorded 5.47 inches.

All the totals are preliminary reports of automated rain gauges.

An upper trough combined with deep tropical moisture is responsible for the heavy rains of the past few days.

The threat of heavy rainfall remains through Friday, with a Flash Flood Watch in effect for all islands except Kauai and Niihau until late Friday afternoon.

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