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When counting also the Köppen sub-categories – notably including the very rare cold-summer mediterranean climate – the island of Hawaiʻi hosts 10 (out of 14 in total) climate zones. [1] The islands receive most rainfall from the trade winds on their north and east flanks (the windward side) as a result of orographic precipitation .
Over the contiguous United States, total annual precipitation increased at an average rate of 6.1 percent per century since 1900, with the greatest increases within the East North Central climate region (11.6 percent per century) and the South (11.1 percent). Hawaii was the only region to show a decrease (−9.25 percent). [89]
The list of snowiest places in the United States by state shows average annual snowfall totals for the period from mid-1985 to mid-2015. Only places in the official climate database of the National Weather Service, a service of NOAA, are included in this list.
In a matter of hours, the storm unleashed rainfall equal to seven times that of the entire month of April in Lihue, Hawaii, and five to 10 times the April historical average on the island of Kauai.
Contiguous U.S. tropical cyclone rainfall maximum per state as of 2023. Tropical cyclones move into the contiguous United States from the Atlantic Ocean, the Gulf of Mexico, and the eastern Pacific Ocean. The highest rainfall totals in the country have been measured across the Gulf Coast and lower portions of the Eastern Seaboard.
A potent storm with heavy rainfall will take aim at the drought-stricken island chain of Hawaii late in the week, but this much-needed rain could trigger flash flooding and mudslides as well. As ...
According to Climate Central, a nonprofit organization that reports on the impacts of climate change, winters from 1970 to 2024 have warmed by 4 °F on average, with shorter and less extensive ...
In the late winter and spring during El Niño events, drier than average conditions can be expected in Hawaii. [9] On Guam during El Niño years, dry season precipitation averages below normal. However, the threat of a tropical cyclone is over triple what is normal during El Niño years, so extreme shorter duration rainfall events are possible ...