01-21-2024, 02:20 AM
(01-21-2024, 01:36 AM)terracore Wrote: I've spoken to a number of old timers and universally they have described the "Hilo side" as being much wetter 30 years ago. I don't know if this is some Mandela Effect or if it was actually wetter or perceived wetter. I lived in SE Alaska for 15 years and although where I lived got less rain than here, it FELT like it was more. Maybe we got 1 inch of rain in a week but it was a drizzle that never ended. People would take off work early if the sun came out. Here we can get an inch of rain by 7am and it's sunny the rest of the day. We got a lot of cruise ship tourists and inevitably they would ask, "Does it always rain like this?" No! Sometimes it snows.Yes, it's a matter of record. Not only total yearly rainfall, the number of consistently wet periods as you're referring to here also has decreased, in my opinion, over the past 30 years.
Figure 6: Observed changes (compared to the 1951–1980 average; horizontal black line) in annual precipitation for 5 long-term reporting stations in Hawai‘i from 1950 to 2020: Līhu‘e, Kaua‘i (red line); Honolulu, O‘ahu (blue line); Ho‘olehua, Molokai‘i (orange line); Kahului, Maui (yellow line); and Hilo, Island of Hawai‘i (green line). Annual precipitation varies greatly from year to year; however, overall amounts have decreased since 1950 at all 5 stations. Hilo has seen the greatest decrease of 14 inches across the period of record. Sources: CISESS and NOAA NCEI. Data: GHCN-Daily.
https://statesummaries.ncics.org/chapter/hi/