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Even the normally wet windward slopes of the Big Island were especially dry last month, with most sites posting totals at less than 20% of average.
The most significant rain event for last month was Aug. 21, as the remnant moisture from what was Tropical Cyclone Fernanda moved across windward slopes of the Big Island and Maui. Automated rain gauges on the eastern side of the Big Island recorded 2 to 4 inches of rain.
Much of Thailand is experiencing below-average rainfall due to the El Nino phenomenon, which is only likely to intensify in November and could even linger until early 2024, according to the Thai Meteorological Department (TMD).
A 90 per cent likelihood of an El Nino weather pattern developing during the June-September monsoon season raises the possibility of less than normal rain