Kodama reported that while some parts of the islands received much needed rainfall during August, areas hardest hit by drought, including central Maui and west Molokaʻi, did not have enough rain to improve conditions. 10-11, but only caused an increase in trade winds and no significant spike in rainfall. A weak tropical disturbance passed to the south of the state Aug. 22-25, Peak 24-hour rainfall totals were in the range of 1-2 inches over the windward side of the Kohala Mountains on the Big Island, portions of windward and west Kauaʻi and along the windward slopes of Oʻahu, Molokaʻi and Maui.Īugust also is normally the peak month for tropical cyclone activity in the central North Pacific basin, but there were no tropical cyclones the entire month. The windward slopes of the Koʻolau Range on Oʻahu, from Kāneʻohe to Kahuku, seeing the most significant rainfall during the break.ĭuring the third break, from Aug. 15-17 was caused by another weak low-level trough. Parts of Maui and Oʻahu saw brief but heavy afternoon showers, with some spots on Oʻahu seeing some minor flooding but no significant damage. That allowed land and sea breezes to dominate conditions. 3-5, which saw a weak low pressure trough pass westward just north of the state. There were three breaks in the trades, all of which produced short periods of heavy rainfall for some parts of the state. Trade winds were present throughout the main Hawaiian Islands during most of August, but were weaker and less consistent than in June and July, Kodama’s report said. The Mount Waiʻaleʻale gauge saw the highest year-to-date total of 194.58 inches, or 74% of average.įor a map of year-to-date rainfall totals on the island, click here. “Many of these totals were 40%-70% of average.” “Despite the boost in rainfall for many locations, rainfall totals for 2022 through the end of August remained below average at most of the gauges on Kauaʻi,” Kodama’s report said. (National Weather Service map)īut while several sites on Kauaʻi had higher than average rainfall, the Anahola rain gauge in northeast Kauaʻi posted its lowest August total since 2012. Map of rainfall totals from around Kauaʻi during August.
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