Recent Hydrologic Conditions -- Hawaii
Latest update September 7, 2009
Data collected after September 30, 2008 are provisional and have not been reviewed or edited. They may be subject to significant change.
Poamoho Rain Gage No. 2, Oahu
Poamoho rain gage no. 2 is about 1 mile west of the crest of
the Koolau Range above Wahiawa at an altitude of
1,960 ft (gage
photo). The rain gage has been operated since 1967. The average
yearly rainfall at the gage since 1967 is about
188 inches. Rainfall for August 2009 (9.0 inches)
can be compared with island-wide
rainfall data recorded by the National Weather
Service. This
station is operated by the Honolulu
field office in cooperation with the State of Hawaii Commission on Water Resource Management 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.
