Record envelope, standing records and threshold days for Kahuna Falls 138.2 (USC00512595), Hawaii, United States, with 33 years of record.
Key Facts for Kahuna Falls 138.2
Kahuna Falls 138.2 (USC00512595) is a weather station in Hawaii, United States at 19.86 latitude and -155.16 longitude, 421 m (1,380 ft) above sea level.
The station reports from 1993 to 2025, 33 years of record.
0 records set at Kahuna Falls 138.2 still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Kahuna Falls 138.2 set a daily record precipitation of 35.6 mm (1.4 in) on 18 May 2025.
About the Station
Location: Hawaii, United States, 19.86 latitude, -155.16 longitude.
Elevation: 421 m (1,380 ft).
Period of record: 1993 to 2025, 33 years.
Eligible elements: prcp.
Daily Record Envelope and 2026
0 days at or beyond a record
Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Kahuna Falls 138.2. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Kahuna Falls 138.2, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
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Feb
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Mar
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Apr
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May
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Jun
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Jul
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Aug
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Sep
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Oct
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Nov
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Dec
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Which Years Hold Standing Records
0 standing records
0 records at Kahuna Falls 138.2 still stand.
Standing records at Kahuna Falls 138.2 by the year they were set
Year set
Standing records
Wettest Day of Each Month
Aug: 495.3 mm (19.5 in)
The wettest day on record for each calendar month at Kahuna Falls 138.2. The most was 495.3 mm (19.5 in) on 23 August 2018.
Record daily precipitation for each month at Kahuna Falls 138.2
Yearly extremes at Kahuna Falls 138.2: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Wettest day (Rx1day)
495.3 mm (19.5 in)
2018
235.2 mm (9.3 in)
33
Wettest five days (Rx5day)
1,475.5 mm (58.1 in)
2018
429.3 mm (16.9 in)
33
Longest dry spell (CDD)
18 days
2005
10 days
33
Wettest day (Rx1day)
The wettest day of the year at Kahuna Falls 138.2, 1993 to 2025. The record is 495.3 mm (19.5 in) in 2018, marked on the chart; the median year is 235.2 mm (9.3 in).
Wettest day (Rx1day) at Kahuna Falls 138.2 by year
Year
Wettest day (Rx1day)
1993
229.6 mm (9.0 in)
1994
235.2 mm (9.3 in)
1995
231.1 mm (9.1 in)
1996
357.4 mm (14.1 in)
1997
244.9 mm (9.6 in)
1998
147.1 mm (5.8 in)
1999
159.8 mm (6.3 in)
2000
419.6 mm (16.5 in)
2001
237.7 mm (9.4 in)
2002
325.6 mm (12.8 in)
2003
145.3 mm (5.7 in)
2004
281.9 mm (11.1 in)
2005
215.9 mm (8.5 in)
2006
266.7 mm (10.5 in)
2007
223.0 mm (8.8 in)
2008
392.9 mm (15.5 in)
2009
419.1 mm (16.5 in)
2010
171.5 mm (6.8 in)
2011
208.3 mm (8.2 in)
2012
110.5 mm (4.4 in)
2013
360.7 mm (14.2 in)
2014
247.7 mm (9.8 in)
2015
295.1 mm (11.6 in)
2016
196.9 mm (7.8 in)
2017
241.3 mm (9.5 in)
2018
495.3 mm (19.5 in)
2019
109.2 mm (4.3 in)
2020
142.2 mm (5.6 in)
2021
355.6 mm (14.0 in)
2022
203.2 mm (8.0 in)
2023
203.2 mm (8.0 in)
2024
482.6 mm (19.0 in)
2025
40.6 mm (1.6 in)
Wettest five days (Rx5day)
The wettest five days of the year at Kahuna Falls 138.2, 1993 to 2025. The record is 1,475.5 mm (58.1 in) in 2018, marked on the chart; the median year is 429.3 mm (16.9 in).
Wettest five days (Rx5day) at Kahuna Falls 138.2 by year
Year
Wettest five days (Rx5day)
1993
419.0 mm (16.5 in)
1994
559.6 mm (22.0 in)
1995
380.3 mm (15.0 in)
1996
478.3 mm (18.8 in)
1997
414.6 mm (16.3 in)
1998
370.6 mm (14.6 in)
1999
415.4 mm (16.4 in)
2000
539.4 mm (21.2 in)
2001
370.9 mm (14.6 in)
2002
561.9 mm (22.1 in)
2003
255.3 mm (10.1 in)
2004
571.5 mm (22.5 in)
2005
316.0 mm (12.4 in)
2006
598.4 mm (23.6 in)
2007
405.9 mm (16.0 in)
2008
1,105.9 mm (43.5 in)
2009
778.8 mm (30.7 in)
2010
249.8 mm (9.8 in)
2011
429.3 mm (16.9 in)
2012
232.4 mm (9.1 in)
2013
666.7 mm (26.2 in)
2014
585.5 mm (23.1 in)
2015
521.6 mm (20.5 in)
2016
407.6 mm (16.0 in)
2017
614.7 mm (24.2 in)
2018
1,475.5 mm (58.1 in)
2019
389.4 mm (15.3 in)
2020
382.7 mm (15.1 in)
2021
519.4 mm (20.4 in)
2022
437.4 mm (17.2 in)
2023
411.5 mm (16.2 in)
2024
652.3 mm (25.7 in)
2025
78.4 mm (3.1 in)
Longest dry spell (CDD)
The longest dry spell of the year at Kahuna Falls 138.2, 1993 to 2025. The record is 18 days in 2005, marked on the chart; the median year is 10 days.
Longest dry spell (CDD) at Kahuna Falls 138.2 by year
Year
Longest dry spell (CDD)
1993
6 days
1994
6 days
1995
13 days
1996
10 days
1997
11 days
1998
8 days
1999
13 days
2000
10 days
2001
11 days
2002
9 days
2003
14 days
2004
12 days
2005
18 days
2006
4 days
2007
14 days
2008
9 days
2009
6 days
2010
7 days
2011
5 days
2012
10 days
2013
5 days
2014
14 days
2015
9 days
2016
4 days
2017
9 days
2018
10 days
2019
11 days
2020
5 days
2021
10 days
2022
15 days
2023
14 days
2024
5 days
2025
9 days
Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.
Download the Data
Data for Kahuna Falls 138.2 standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Kahuna Falls 138.2 threshold days by year: CSV or JSON. Field meanings are on the data page.
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-13 (13 October 2026). Records are computed by this site and are not official.