Recent Hydrologic Conditions -- Hawaii
Latest update November 1, 2009
Data collected after January 24, 2009 are provisional and have not been reviewed or edited. They may be subject to significant change.
Mt. Waialeale Rain Gage, Kauai
The rain gage near the summit of Mt. Waialeale is at an altitude
of 5,150 ft (gage
photo).
The gage has been in operation since 1910 but monthly
totals are available only for 1950-54 and 1968
to the present. The data prior
to 1993 are from unpublished monthly records. The
average yearly rainfall at the gage during those
years is about 392 inches and for the entire available
period (1912-present) is about 426 inches. Rainfall
for October 2009 (20.9 inches) can be compared
with island-wide
rainfall data recorded by the National Weather
Service. This
station is operated by Dale Nishimoto of the Honolulu
field office in cooperation with the National Weather Service and is equipped with a satellite transmitter
delivering rainfall
updates every hour (Go
to real-time website for this gage.). |
 |
Historical rainfall record
Recent rainfall record
compared with historical data
The monthly maximum and minimum data show how
recent conditions compare to the range of monthly
rainfall amounts measured in the historical record.
The entire period of record is used to estimate
the maximum, minimum, and mean monthly rainfall.
