Upper Wahiawa 874.3 Weather Records (USC00518838)

Record envelope, standing records and threshold days for Upper Wahiawa 874.3 (USC00518838), Hawaii, United States, with 45 years of record.

Key Facts for Upper Wahiawa 874.3

Upper Wahiawa 874.3 (USC00518838) is a weather station in Hawaii, United States at 21.50 latitude and -158.01 longitude, 307 m (1,006 ft) above sea level.
The station reports from 1971 to 2015, 45 years of record.
1,464 records set at Upper Wahiawa 874.3 still stand.
Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
Upper Wahiawa 874.3 set a daily record precipitation of 19.8 mm (0.8 in) on 18 October 2014.

About the Station

Location: Hawaii, United States, 21.50 latitude, -158.01 longitude.
Elevation: 307 m (1,006 ft).
Period of record: 1971 to 2015, 45 years.
Eligible elements: prcp, 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 Upper Wahiawa 874.3. 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 Upper Wahiawa 874.3, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	28.9 C (84.0 F)	5.6 C (42.1 F)	n/a	n/a
Feb	30.0 C (86.0 F)	8.3 C (46.9 F)	n/a	n/a
Mar	30.0 C (86.0 F)	11.7 C (53.1 F)	n/a	n/a
Apr	30.0 C (86.0 F)	11.1 C (52.0 F)	n/a	n/a
May	33.3 C (91.9 F)	13.3 C (55.9 F)	n/a	n/a
Jun	31.1 C (88.0 F)	15.6 C (60.1 F)	n/a	n/a
Jul	32.2 C (90.0 F)	15.6 C (60.1 F)	n/a	n/a
Aug	32.8 C (91.0 F)	16.7 C (62.1 F)	n/a	n/a
Sep	32.2 C (90.0 F)	15.6 C (60.1 F)	n/a	n/a
Oct	32.2 C (90.0 F)	15.0 C (59.0 F)	n/a	n/a
Nov	30.6 C (87.1 F)	10.6 C (51.1 F)	n/a	n/a
Dec	30.6 C (87.1 F)	11.1 C (52.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Upper Wahiawa 874.3 still stand. 1998 holds the most, with 158.

Standing records at Upper Wahiawa 874.3 by the year they were set
Year set	Standing records
1972	2
1997	74
1998	158
1999	144
2000	137
2001	112
2002	121
2003	143
2004	105
2005	119
2006	102
2007	76
2008	34
2009	43
2010	51
2011	13
2012	18
2013	9
2014	3

Wettest Day of Each Month

Dec: 227.3 mm (8.9 in)

The wettest day on record for each calendar month at Upper Wahiawa 874.3. The most was 227.3 mm (8.9 in) on 8 December 2003.

Record daily precipitation for each month at Upper Wahiawa 874.3
Month	Record daily precipitation (mm)	Date
Jan	160.0 mm (6.3 in)	13 January 2011
Feb	138.2 mm (5.4 in)	28 February 2004
Mar	156.2 mm (6.1 in)	21 March 1991
Apr	106.9 mm (4.2 in)	15 April 1972
May	111.8 mm (4.4 in)	6 May 2002
Jun	76.5 mm (3.0 in)	5 June 2003
Jul	76.2 mm (3.0 in)	20 July 1994
Aug	102.6 mm (4.0 in)	19 August 1993
Sep	89.4 mm (3.5 in)	2 September 1972
Oct	216.7 mm (8.5 in)	17 October 1991
Nov	160.0 mm (6.3 in)	13 November 1996
Dec	227.3 mm (8.9 in)	8 December 2003

Period of Record Coverage

1972 to 2014

19 years of record at Upper Wahiawa 874.3, 1972 to 2014. 9 years have data for under 90 percent of days and are left out of rankings: 1972, 1997, 2008, 2009, 2010, 2011, 2012, 2013 and others.

Days with data per year at Upper Wahiawa 874.3
Year	Days with data	Share of year	Complete
1972	1	0%	No
1997	144	39%	No
1998	350	96%	Yes
1999	365	100%	Yes
2000	366	100%	Yes
2001	350	96%	Yes
2002	357	98%	Yes
2003	353	97%	Yes
2004	346	95%	Yes
2005	362	99%	Yes
2006	337	92%	Yes
2007	334	92%	Yes
2008	298	81%	No
2009	255	70%	No
2010	233	64%	No
2011	113	31%	No
2012	83	23%	No
2013	46	13%	No
2014	11	3%	No

Latest Records

Latest records at Upper Wahiawa 874.3
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 October 2014	Upper Wahiawa 874.3, US	daily rain	19.8 mm (0.8 in)	8.4 mm (0.33 in)	39 years	19 of 100 (Routine)
9 August 2014	Upper Wahiawa 874.3, US	daily rain	58.2 mm (2.3 in)	47.3 mm (1.9 in)	28 years	52 of 100 (Notable)
26 May 2014	Upper Wahiawa 874.3, US	daily rain	47.5 mm (1.9 in)	6.6 mm (0.26 in)	40 years	22 of 100 (Routine)
25 May 2014	Upper Wahiawa 874.3, US	daily rain	24.9 mm (1.0 in)	17.3 mm (0.7 in)	7 years	20 of 100 (Routine)
26 April 2014	Upper Wahiawa 874.3, US	daily rain	26.4 mm (1.0 in)	13.7 mm (0.5 in)	36 years	27 of 100 (Routine)
25 April 2014	Upper Wahiawa 874.3, US	daily rain	12.7 mm (0.5 in)	1.8 mm (0.07 in)	36 years	16 of 100 (Routine)
28 March 2014	Upper Wahiawa 874.3, US	daily rain	33.3 mm (1.3 in)	1.8 mm (0.07 in)	39 years	16 of 100 (Routine)
26 March 2014	Upper Wahiawa 874.3, US	daily rain	36.8 mm (1.4 in)	9.4 mm (0.37 in)	37 years	20 of 100 (Routine)
4 March 2012	Upper Wahiawa 874.3, US	daily rain	68.6 mm (2.7 in)	7.6 mm (0.30 in)	16 years	12 of 100 (Routine)
18 January 2012	Upper Wahiawa 874.3, US	daily rain	32.0 mm (1.3 in)	11.2 mm (0.4 in)	21 years	16 of 100 (Routine)
3 November 2011	Upper Wahiawa 874.3, US	daily rain	63.5 mm (2.5 in)	45.5 mm (1.8 in)	14 years	34 of 100 (Routine)
1 November 2011	Upper Wahiawa 874.3, US	daily rain	78.7 mm (3.1 in)	20.8 mm (0.8 in)	4 years	17 of 100 (Routine)
29 June 2011	Upper Wahiawa 874.3, US	daily rain	40.6 mm (1.6 in)	12.4 mm (0.5 in)	13 years	22 of 100 (Routine)
4 May 2011	Upper Wahiawa 874.3, US	daily rain	53.3 mm (2.1 in)	35.5 mm (1.4 in)	6 years	41 of 100 (Notable)
7 April 2011	Upper Wahiawa 874.3, US	daily rain	61.0 mm (2.4 in)	7.2 mm (0.28 in)	0 years	10 of 100 (Routine)
13 January 2011	Upper Wahiawa 874.3, US	monthly rain	160.0 mm (6.3 in)	30.2 mm (1.2 in)	13 years	35 of 100 (Notable)
10 December 2010	Upper Wahiawa 874.3, US	daily rain	63.5 mm (2.5 in)	45.2 mm (1.8 in)	12 years	31 of 100 (Routine)
3 December 2010	Upper Wahiawa 874.3, US	daily rain	19.8 mm (0.8 in)	1.0 mm (0.04 in)	12 years	7 of 100 (Routine)
20 May 2010	Upper Wahiawa 874.3, US	daily rain	14.2 mm (0.6 in)	4.0 mm (0.16 in)	36 years	18 of 100 (Routine)
3 May 2010	Upper Wahiawa 874.3, US	daily rain	22.1 mm (0.9 in)	6.6 mm (0.26 in)	36 years	20 of 100 (Routine)

Extremes by Year

1971 to 2015

Yearly extremes at Upper Wahiawa 874.3: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	33.3 C (91.9 F)	2003	30.6 C (87.1 F)	19
Coldest night (TNn)	5.6 C (42.1 F)	2014	11.7 C (53.1 F)	19
Wettest day (Rx1day)	227.3 mm (8.9 in)	2003	100.6 mm (4.0 in)	40
Wettest five days (Rx5day)	417.1 mm (16.4 in)	1975	167.1 mm (6.6 in)	40
Longest dry spell (CDD)	19 days	1992	12 days	40

Hottest day (TXx)

The hottest day of the year at Upper Wahiawa 874.3, 1971 to 2015. The record is 33.3 C (91.9 F) in 2003, marked on the chart; the median year is 30.6 C (87.1 F).

Hottest day (TXx) at Upper Wahiawa 874.3 by year
Year	Hottest day (TXx)
1971	n/a
1972	22.8 C (73.0 F)
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	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	31.1 C (88.0 F)
1998	32.2 C (90.0 F)
1999	30.6 C (87.1 F)
2000	30.6 C (87.1 F)
2001	31.1 C (88.0 F)
2002	32.2 C (90.0 F)
2003	33.3 C (91.9 F)
2004	32.2 C (90.0 F)
2005	31.7 C (89.1 F)
2006	32.8 C (91.0 F)
2007	30.6 C (87.1 F)
2008	30.6 C (87.1 F)
2009	30.6 C (87.1 F)
2010	30.0 C (86.0 F)
2011	31.7 C (89.1 F)
2012	28.9 C (84.0 F)
2013	30.0 C (86.0 F)
2014	26.1 C (79.0 F)
2015	n/a

Coldest night (TNn)

The coldest night of the year at Upper Wahiawa 874.3, 1971 to 2015. The record is 5.6 C (42.1 F) in 2014, marked on the chart; the median year is 11.7 C (53.1 F).

Coldest night (TNn) at Upper Wahiawa 874.3 by year
Year	Coldest night (TNn)
1971	n/a
1972	10.6 C (51.1 F)
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	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	12.8 C (55.0 F)
1998	8.3 C (46.9 F)
1999	12.2 C (54.0 F)
2000	11.1 C (52.0 F)
2001	12.8 C (55.0 F)
2002	11.7 C (53.1 F)
2003	10.0 C (50.0 F)
2004	12.8 C (55.0 F)
2005	10.6 C (51.1 F)
2006	12.8 C (55.0 F)
2007	11.1 C (52.0 F)
2008	11.7 C (53.1 F)
2009	11.7 C (53.1 F)
2010	11.1 C (52.0 F)
2011	12.2 C (54.0 F)
2012	12.8 C (55.0 F)
2013	11.1 C (52.0 F)
2014	5.6 C (42.1 F)
2015	n/a

Wettest day (Rx1day)

The wettest day of the year at Upper Wahiawa 874.3, 1971 to 2015. The record is 227.3 mm (8.9 in) in 2003, marked on the chart; the median year is 100.6 mm (4.0 in).

Wettest day (Rx1day) at Upper Wahiawa 874.3 by year
Year	Wettest day (Rx1day)
1971	83.8 mm (3.3 in)
1972	127.3 mm (5.0 in)
1973	78.2 mm (3.1 in)
1974	98.6 mm (3.9 in)
1975	154.9 mm (6.1 in)
1976	107.2 mm (4.2 in)
1977	53.8 mm (2.1 in)
1983	16.3 mm (0.6 in)
1984	81.3 mm (3.2 in)
1985	216.4 mm (8.5 in)
1986	60.5 mm (2.4 in)
1987	97.8 mm (3.9 in)
1988	98.0 mm (3.9 in)
1989	121.9 mm (4.8 in)
1990	154.9 mm (6.1 in)
1991	216.7 mm (8.5 in)
1992	103.1 mm (4.1 in)
1993	102.6 mm (4.0 in)
1994	123.4 mm (4.9 in)
1995	49.8 mm (2.0 in)
1996	160.0 mm (6.3 in)
1997	129.8 mm (5.1 in)
1998	58.4 mm (2.3 in)
1999	148.6 mm (5.9 in)
2000	66.5 mm (2.6 in)
2001	121.9 mm (4.8 in)
2002	111.8 mm (4.4 in)
2003	227.3 mm (8.9 in)
2004	138.2 mm (5.4 in)
2005	145.3 mm (5.7 in)
2006	81.3 mm (3.2 in)
2007	158.8 mm (6.3 in)
2008	75.2 mm (3.0 in)
2009	39.4 mm (1.6 in)
2010	63.5 mm (2.5 in)
2011	160.0 mm (6.3 in)
2012	68.6 mm (2.7 in)
2013	22.9 mm (0.9 in)
2014	62.5 mm (2.5 in)
2015	40.4 mm (1.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Upper Wahiawa 874.3, 1971 to 2015. The record is 417.1 mm (16.4 in) in 1975, marked on the chart; the median year is 167.1 mm (6.6 in).

Wettest five days (Rx5day) at Upper Wahiawa 874.3 by year
Year	Wettest five days (Rx5day)
1971	171.2 mm (6.7 in)
1972	211.3 mm (8.3 in)
1973	93.5 mm (3.7 in)
1974	157.7 mm (6.2 in)
1975	417.1 mm (16.4 in)
1976	275.1 mm (10.8 in)
1977	116.6 mm (4.6 in)
1983	43.3 mm (1.7 in)
1984	171.5 mm (6.8 in)
1985	227.5 mm (9.0 in)
1986	146.3 mm (5.8 in)
1987	201.3 mm (7.9 in)
1988	185.6 mm (7.3 in)
1989	275.9 mm (10.9 in)
1990	201.1 mm (7.9 in)
1991	310.7 mm (12.2 in)
1992	141.2 mm (5.6 in)
1993	126.2 mm (5.0 in)
1994	231.8 mm (9.1 in)
1995	68.9 mm (2.7 in)
1996	384.5 mm (15.1 in)
1997	153.9 mm (6.1 in)
1998	133.9 mm (5.3 in)
1999	194.9 mm (7.7 in)
2000	105.9 mm (4.2 in)
2001	149.8 mm (5.9 in)
2002	227.5 mm (9.0 in)
2003	294.3 mm (11.6 in)
2004	230.7 mm (9.1 in)
2005	229.1 mm (9.0 in)
2006	162.9 mm (6.4 in)
2007	264.7 mm (10.4 in)
2008	181.7 mm (7.2 in)
2009	112.9 mm (4.4 in)
2010	146.8 mm (5.8 in)
2011	12.2 mm (0.5 in)
2012	30.3 mm (1.2 in)
2013	0.8 mm (0.03 in)
2014	128.0 mm (5.0 in)
2015	73.1 mm (2.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Upper Wahiawa 874.3, 1971 to 2015. The record is 19 days in 1992, marked on the chart; the median year is 12 days.

Longest dry spell (CDD) at Upper Wahiawa 874.3 by year
Year	Longest dry spell (CDD)
1971	9 days
1972	13 days
1973	17 days
1974	12 days
1975	14 days
1976	9 days
1977	14 days
1983	11 days
1984	13 days
1985	14 days
1986	15 days
1987	9 days
1988	9 days
1989	16 days
1990	11 days
1991	14 days
1992	19 days
1993	13 days
1994	10 days
1995	11 days
1996	18 days
1997	12 days
1998	11 days
1999	11 days
2000	17 days
2001	11 days
2002	10 days
2003	17 days
2004	10 days
2005	19 days
2006	12 days
2007	11 days
2008	16 days
2009	8 days
2010	7 days
2011	12 days
2012	6 days
2013	5 days
2014	13 days
2015	11 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 Upper Wahiawa 874.3 standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Upper Wahiawa 874.3 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).