Kauai--Average rainfall. During July-September 2004, rainfall was about 93 percent of average. As of September, rainfall near the summit of Mt. Waialeale on Kauai was below average 7 of the last 12 months. During October 2003 - September 2004, rainfall was about 103 percent of average.

Oahu--Average rainfall. As of September 2004, rainfall at Poamoho, near the crest of the Koolau Range on Oahu, was above average 8 of the last 12 months and during July-September 2004, rainfall was 97 percent of average. During October 2003 - September 2004, rainfall was about 103 percent of average.

Link to Drought Monitor from NOAA, USDA, and the National Drought Mitigation Center which includes data from Hawaii.

STREAMFLOW

Kauai--Above normal streamflow for September. September 2004 flow in the North Fork Wailua River was 187 percent of the median for September (1912-2004). Streamflow over the past 3 months (July-September 2004) was 122 percent of the median for those months and over the past year (October 2003 - September 2004) was 143 percent of the yearly median.

Oahu--

Honolulu--Normal streamflow for June. 

June 2003 flow in Kalihi Stream was 126 percent of the median for June (1914-2004). Streamflow over the past 3 months (Apr-June 2004) was 262 percent of the median for those months and over the past year (Jul 2003 - Jun 2004) was 156 percent of the yearly median. The past 12-month average flow was the highest since 1983. Last updated July

Windward--Normal streamflow for September. 

September 2004 flow in Kahana Stream was 97 percent of the median for September (1958-2004). Streamflow over the past 3 months (July-September 2004) was 135 percent of the median for those months and over the past year (October 2003 - September 2004) was 210 percent of the yearly median.

Molokai--Normal streamflow for September. September 2004 streamflow in Halawa Stream was 87 percent of the median for September (1917-2004). Streamflow over the past 3 months (July-September 2004) was 65 percent of the median for those months and over the preceding year (October 2003 - September 2004) was 151 percent of the yearly median.

Maui--Well below normal streamflow for September. September 2004 flow in Honopou Stream was 27 percent of the median for September (1912-2004). This was the lowest average September flow since 1984. Streamflow over the past 3 months (July-September 2004) was 31 percent of the median for those months and over the past year (October 2003 - September 2004) was 129 percent of the yearly median.

Hawaii--Well below normal streamflow for September. September 2004 flow in Honolii Stream was 11 percent of the median for September (1967-2004). This was the lowest average September flow ever recorded and the fourth lowest monthly average for any month ever recorded. Streamflow over the past 3 months (July-September 2004) was 26 percent of the median for those months and over the past year (October 2003 - September 2004) was 89 percent of the median for the year. The previous three months had the lowest average July-September flow ever recorded.

GROUND-WATER LEVELS

Kauai--Decreasing water levels through July. Water levels in the Lihue Basin (at the Northwest Kilohana monitor well) were decreased from June into July . Water levels had been declining since 1996 but have been relatively steady during 2004. Near Hanapepe, water levels increased from April into June but decreased in July. Last updated September

Oahu--Increasing water levels in Pearl Harbor area. Near Pearl Harbor (at the Aiea US Navy well), water levels increased into September from record lows in January. Water levels are at the highest level since 1998. Increasing salinity in the aquifer was apparent at the Halekauwila Street monitor well in downtown Honolulu.

Maui--Decreasing water levels in June and July. Water levels in the Iao area (at Waiehu test hole B) have decreased since May 2004. Near Kahana, recent water levels decreased but are still at record high conditions in May and June. Last updated July

Hawaii--Water levels in the Kiholo area fluctuate about 0.5 ft during the course of a year, with no apparent long-term trend. Last updated September