Kaumalapau Harbor 658 Weather Records (USC00513461)

Record envelope, standing records and threshold days for Kaumalapau Harbor 658 (USC00513461), Hawaii, United States, with 50 years of record.

Key Facts for Kaumalapau Harbor 658

Kaumalapau Harbor 658 (USC00513461) is a weather station in Hawaii, United States at 20.79 latitude and -156.99 longitude, 12 m (38 ft) above sea level.
The station reports from 1963 to 2012, 50 years of record.
204 records set at Kaumalapau Harbor 658 still stand.
Records are tracked for snow, snwd: an element needs 30 years of data to be eligible.

About the Station

Location: Hawaii, United States, 20.79 latitude, -156.99 longitude.
Elevation: 12 m (38 ft).
Period of record: 1963 to 2012, 50 years.
Eligible elements: snow, snwd.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Kaumalapau Harbor 658. 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 Kaumalapau Harbor 658, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	25.6 C (78.1 F)	11.1 C (52.0 F)	n/a	n/a
Feb	32.2 C (90.0 F)	19.4 C (66.9 F)	n/a	n/a
Mar	n/a	n/a	n/a	n/a
Apr	n/a	n/a	n/a	n/a
May	n/a	n/a	n/a	n/a
Jun	n/a	n/a	n/a	n/a
Jul	n/a	n/a	n/a	n/a
Aug	n/a	n/a	n/a	n/a
Sep	n/a	n/a	n/a	n/a
Oct	n/a	n/a	n/a	n/a
Nov	n/a	n/a	n/a	n/a
Dec	n/a	n/a	n/a	n/a

Which Years Hold Standing Records

204 standing records

204 records at Kaumalapau Harbor 658 still stand. 1975 holds the most, with 124.

Wettest Day of Each Month

Dec: 185.9 mm (7.3 in)

The wettest day on record for each calendar month at Kaumalapau Harbor 658. The most was 185.9 mm (7.3 in) on 31 December 1987.

Record daily precipitation for each month at Kaumalapau Harbor 658
Month	Record daily precipitation (mm)	Date
Jan	172.7 mm (6.8 in)	1 January 2004
Feb	129.0 mm (5.1 in)	28 February 1989
Mar	60.5 mm (2.4 in)	7 March 1967
Apr	61.0 mm (2.4 in)	4 April 1977
May	37.8 mm (1.5 in)	24 May 1978
Jun	28.4 mm (1.1 in)	25 June 1985
Jul	35.1 mm (1.4 in)	24 July 1964
Aug	43.4 mm (1.7 in)	10 August 1965
Sep	37.8 mm (1.5 in)	28 September 1966
Oct	123.4 mm (4.9 in)	31 October 1989
Nov	107.4 mm (4.2 in)	30 November 1988
Dec	185.9 mm (7.3 in)	31 December 1987

Period of Record Coverage

1975 to 1977

2 years of record at Kaumalapau Harbor 658, 1975 to 1977. 2 years have data for under 90 percent of days and are left out of rankings: 1975, 1977.

Latest Records

No records were set at this station in the latest data.

Extremes by Year

1963 to 2012

Yearly extremes at Kaumalapau Harbor 658: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	32.2 C (90.0 F)	1977	28.9 C (84.0 F)	2
Coldest night (TNn)	11.1 C (52.0 F)	1975	15.3 C (59.5 F)	2
Wettest day (Rx1day)	185.9 mm (7.3 in)	1987	31.5 mm (1.2 in)	49
Wettest five days (Rx5day)	152.1 mm (6.0 in)	1982	29.2 mm (1.1 in)	43
Longest dry spell (CDD)	125 days	1972	33 days	48

Hottest day (TXx)

The hottest day of the year at Kaumalapau Harbor 658, 1963 to 2012. The record is 32.2 C (90.0 F) in 1977, marked on the chart; the median year is 28.9 C (84.0 F).

Hottest day (TXx) at Kaumalapau Harbor 658 by year
Year	Hottest day (TXx)
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	n/a
1973	n/a
1974	n/a
1975	25.6 C (78.1 F)
1976	n/a
1977	32.2 C (90.0 F)
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	n/a
1984	n/a
1985	n/a
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1990	n/a
1991	n/a
1992	n/a
1993	n/a
1994	n/a
1995	n/a
1996	n/a
1997	n/a
1998	n/a
1999	n/a
2000	n/a
2001	n/a
2002	n/a
2003	n/a
2004	n/a
2005	n/a
2006	n/a
2007	n/a
2008	n/a
2009	n/a
2010	n/a
2011	n/a
2012	n/a

Coldest night (TNn)

The coldest night of the year at Kaumalapau Harbor 658, 1963 to 2012. The record is 11.1 C (52.0 F) in 1975, marked on the chart; the median year is 15.3 C (59.5 F).

Coldest night (TNn) at Kaumalapau Harbor 658 by year
Year	Coldest night (TNn)
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	n/a
1973	n/a
1974	n/a
1975	11.1 C (52.0 F)
1976	n/a
1977	19.4 C (66.9 F)
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	n/a
1984	n/a
1985	n/a
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1990	n/a
1991	n/a
1992	n/a
1993	n/a
1994	n/a
1995	n/a
1996	n/a
1997	n/a
1998	n/a
1999	n/a
2000	n/a
2001	n/a
2002	n/a
2003	n/a
2004	n/a
2005	n/a
2006	n/a
2007	n/a
2008	n/a
2009	n/a
2010	n/a
2011	n/a
2012	n/a

Wettest day (Rx1day)

The wettest day of the year at Kaumalapau Harbor 658, 1963 to 2012. The record is 185.9 mm (7.3 in) in 1987, marked on the chart; the median year is 31.5 mm (1.2 in).

Wettest day (Rx1day) at Kaumalapau Harbor 658 by year
Year	Wettest day (Rx1day)
1963	31.5 mm (1.2 in)
1964	35.1 mm (1.4 in)
1965	53.8 mm (2.1 in)
1966	53.6 mm (2.1 in)
1967	60.5 mm (2.4 in)
1968	63.5 mm (2.5 in)
1969	40.4 mm (1.6 in)
1970	37.6 mm (1.5 in)
1971	96.0 mm (3.8 in)
1972	47.2 mm (1.9 in)
1973	103.1 mm (4.1 in)
1974	24.9 mm (1.0 in)
1975	134.6 mm (5.3 in)
1976	18.3 mm (0.7 in)
1977	61.0 mm (2.4 in)
1978	37.8 mm (1.5 in)
1979	41.4 mm (1.6 in)
1980	31.5 mm (1.2 in)
1981	7.4 mm (0.29 in)
1982	94.2 mm (3.7 in)
1983	78.7 mm (3.1 in)
1984	27.4 mm (1.1 in)
1985	77.5 mm (3.1 in)
1986	28.7 mm (1.1 in)
1987	185.9 mm (7.3 in)
1988	157.7 mm (6.2 in)
1989	129.0 mm (5.1 in)
1990	96.5 mm (3.8 in)
1991	0.0 mm (0.00 in)
1992	8.6 mm (0.34 in)
1993	3.8 mm (0.15 in)
1994	16.5 mm (0.6 in)
1995	7.9 mm (0.31 in)
1996	0.0 mm (0.00 in)
1997	n/a
1998	0.0 mm (0.00 in)
1999	0.0 mm (0.00 in)
2000	0.0 mm (0.00 in)
2001	0.0 mm (0.00 in)
2002	0.0 mm (0.00 in)
2003	0.0 mm (0.00 in)
2004	172.7 mm (6.8 in)
2005	146.6 mm (5.8 in)
2006	0.0 mm (0.00 in)
2007	0.0 mm (0.00 in)
2008	3.6 mm (0.14 in)
2009	0.0 mm (0.00 in)
2010	0.0 mm (0.00 in)
2011	20.3 mm (0.8 in)
2012	0.0 mm (0.00 in)

Wettest five days (Rx5day)

The wettest five days of the year at Kaumalapau Harbor 658, 1963 to 2012. The record is 152.1 mm (6.0 in) in 1982, marked on the chart; the median year is 29.2 mm (1.1 in).

Wettest five days (Rx5day) at Kaumalapau Harbor 658 by year
Year	Wettest five days (Rx5day)
1963	73.9 mm (2.9 in)
1964	35.1 mm (1.4 in)
1965	74.6 mm (2.9 in)
1966	59.0 mm (2.3 in)
1967	66.1 mm (2.6 in)
1968	63.5 mm (2.5 in)
1969	85.1 mm (3.4 in)
1970	39.1 mm (1.5 in)
1971	96.0 mm (3.8 in)
1972	82.3 mm (3.2 in)
1973	114.0 mm (4.5 in)
1974	29.2 mm (1.1 in)
1975	139.9 mm (5.5 in)
1976	12.4 mm (0.5 in)
1977	66.8 mm (2.6 in)
1978	79.5 mm (3.1 in)
1979	19.3 mm (0.8 in)
1980	31.5 mm (1.2 in)
1981	3.8 mm (0.15 in)
1982	152.1 mm (6.0 in)
1983	79.2 mm (3.1 in)
1984	28.7 mm (1.1 in)
1985	84.9 mm (3.3 in)
1986	31.5 mm (1.2 in)
1987	38.4 mm (1.5 in)
1988	n/a
1989	1.0 mm (0.04 in)
1990	26.7 mm (1.1 in)
1991	n/a
1992	0.0 mm (0.00 in)
1993	3.8 mm (0.15 in)
1994	16.5 mm (0.6 in)
1995	n/a
1996	n/a
1997	n/a
1998	0.0 mm (0.00 in)
1999	0.0 mm (0.00 in)
2000	0.0 mm (0.00 in)
2001	0.0 mm (0.00 in)
2002	0.0 mm (0.00 in)
2003	n/a
2004	n/a
2005	146.6 mm (5.8 in)
2006	0.0 mm (0.00 in)
2007	0.0 mm (0.00 in)
2008	3.6 mm (0.14 in)
2009	0.0 mm (0.00 in)
2010	0.0 mm (0.00 in)
2011	0.0 mm (0.00 in)
2012	0.0 mm (0.00 in)

Longest dry spell (CDD)

The longest dry spell of the year at Kaumalapau Harbor 658, 1963 to 2012. The record is 125 days in 1972, marked on the chart; the median year is 33 days.

Longest dry spell (CDD) at Kaumalapau Harbor 658 by year
Year	Longest dry spell (CDD)
1963	32 days
1964	60 days
1965	46 days
1966	45 days
1967	23 days
1968	24 days
1969	79 days
1970	65 days
1971	50 days
1972	125 days
1973	74 days
1974	33 days
1975	52 days
1976	66 days
1977	80 days
1978	49 days
1979	73 days
1980	75 days
1981	11 days
1982	33 days
1983	43 days
1984	52 days
1985	65 days
1986	37 days
1987	34 days
1988	n/a
1989	30 days
1990	31 days
1991	4 days
1992	31 days
1993	37 days
1994	106 days
1995	4 days
1996	3 days
1997	n/a
1998	28 days
1999	92 days
2000	31 days
2001	19 days
2002	5 days
2003	4 days
2004	1 day
2005	30 days
2006	6 days
2007	21 days
2008	33 days
2009	21 days
2010	24 days
2011	27 days
2012	7 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 Kaumalapau Harbor 658 standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Kaumalapau Harbor 658 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.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).