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Data as of 2025-12-31
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Built 2026-10-15 (15 October 2026)

Keonelele Pens 551 Weather Records (USC00514394)

Record envelope, standing records and threshold days for Keonelele Pens 551 (USC00514394), Hawaii, United States, with 34 years of record.

Key Facts for Keonelele Pens 551

  • Keonelele Pens 551 (USC00514394) is a weather station in Hawaii, United States at 21.19 latitude and -157.20 longitude, 171 m (560 ft) above sea level.
  • The station reports from 1964 to 1997, 34 years of record.
  • 0 records set at Keonelele Pens 551 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, 21.19 latitude, -157.20 longitude.
  • Elevation: 171 m (560 ft).
  • Period of record: 1964 to 1997, 34 years.
  • Eligible elements: snow, snwd.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Keonelele Pens 551, with 2026 drawn through them The band shows the record high and record low for each calendar day at Keonelele Pens 551. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 000111 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Keonelele Pens 551. 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 Keonelele Pens 551, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jann/an/an/an/a
Febn/an/an/an/a
Marn/an/an/an/a
Aprn/an/an/an/a
Mayn/an/an/an/a
Junn/an/an/an/a
Juln/an/an/an/a
Augn/an/an/an/a
Sepn/an/an/an/a
Octn/an/an/an/a
Novn/an/an/an/a
Decn/an/an/an/a

Which Years Hold Standing Records

0 standing records
Standing records at Keonelele Pens 551 by the year they were set 0 records at Keonelele Pens 551 still stand. 00000000000
0 records at Keonelele Pens 551 still stand.
Standing records at Keonelele Pens 551 by the year they were set
Year setStanding records

Wettest Day of Each Month

Dec: 222.3 mm (8.8 in)
Record daily precipitation for each month at Keonelele Pens 551 The wettest day on record for each calendar month at Keonelele Pens 551. The most was 222.3 mm (8.8 in) on 31 December 1987. 0100200300 Jan: 114.8 mm (4.5 in), 6 January 1969 Jan Feb: 158.8 mm (6.3 in), 1 February 1971 Feb Mar: 87.6 mm (3.4 in), 18 March 1968 Mar Apr: 68.6 mm (2.7 in), 30 April 1989 Apr May: 190.5 mm (7.5 in), 31 May 1990 May Jun: 39.4 mm (1.6 in), 1 June 1987 Jun Jul: 48.3 mm (1.9 in), 4 July 1982 Jul Aug: 38.1 mm (1.5 in), 16 August 1965 Aug Sep: 55.9 mm (2.2 in), 22 September 1969 Sep Oct: 177.8 mm (7.0 in), 31 October 1986 Oct Nov: 158.8 mm (6.3 in), 2 November 1982 Nov Dec: 222.3 mm (8.8 in), 31 December 1987 Dec
The wettest day on record for each calendar month at Keonelele Pens 551. The most was 222.3 mm (8.8 in) on 31 December 1987.
Record daily precipitation for each month at Keonelele Pens 551
MonthRecord daily precipitation (mm)Date
Jan114.8 mm (4.5 in)6 January 1969
Feb158.8 mm (6.3 in)1 February 1971
Mar87.6 mm (3.4 in)18 March 1968
Apr68.6 mm (2.7 in)30 April 1989
May190.5 mm (7.5 in)31 May 1990
Jun39.4 mm (1.6 in)1 June 1987
Jul48.3 mm (1.9 in)4 July 1982
Aug38.1 mm (1.5 in)16 August 1965
Sep55.9 mm (2.2 in)22 September 1969
Oct177.8 mm (7.0 in)31 October 1986
Nov158.8 mm (6.3 in)2 November 1982
Dec222.3 mm (8.8 in)31 December 1987

Latest Records

0

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

Extremes by Year

1964 to 1997
Yearly extremes at Keonelele Pens 551: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)222.3 mm (8.8 in)198778.7 mm (3.1 in)30
Wettest five days (Rx5day)198.2 mm (7.8 in)198753.3 mm (2.1 in)29
Longest dry spell (CDD)273 days197068 days30

Wettest day (Rx1day)

Wettest day (Rx1day) at Keonelele Pens 551 by year The wettest day of the year at Keonelele Pens 551, 1964 to 1997. The record is 222.3 mm (8.8 in) in 1987, marked on the chart; the median year is 78.7 mm (3.1 in). 0100200300197019801990Record: 222.3 mm (8.8 in) in 1987
The wettest day of the year at Keonelele Pens 551, 1964 to 1997. The record is 222.3 mm (8.8 in) in 1987, marked on the chart; the median year is 78.7 mm (3.1 in).
Wettest day (Rx1day) at Keonelele Pens 551 by year
YearWettest day (Rx1day)
196450.8 mm (2.0 in)
196559.9 mm (2.4 in)
196664.8 mm (2.6 in)
196780.0 mm (3.1 in)
1968127.0 mm (5.0 in)
1969114.8 mm (4.5 in)
197078.7 mm (3.1 in)
1971158.8 mm (6.3 in)
197278.5 mm (3.1 in)
19730.0 mm (0.00 in)
197490.2 mm (3.6 in)
197592.7 mm (3.6 in)
197678.7 mm (3.1 in)
197724.9 mm (1.0 in)
197878.7 mm (3.1 in)
197935.1 mm (1.4 in)
19800.0 mm (0.00 in)
19810.0 mm (0.00 in)
1982158.8 mm (6.3 in)
198344.5 mm (1.8 in)
198468.6 mm (2.7 in)
1985101.6 mm (4.0 in)
1986177.8 mm (7.0 in)
1987222.3 mm (8.8 in)
1988111.8 mm (4.4 in)
1989152.4 mm (6.0 in)
1990190.5 mm (7.5 in)
1991n/a
1992n/a
1993n/a
19940.0 mm (0.00 in)
19950.0 mm (0.00 in)
19960.0 mm (0.00 in)
1997n/a

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Keonelele Pens 551 by year The wettest five days of the year at Keonelele Pens 551, 1964 to 1997. The record is 198.2 mm (7.8 in) in 1987, marked on the chart; the median year is 53.3 mm (2.1 in). 050100150200197019801990Record: 198.2 mm (7.8 in) in 1987
The wettest five days of the year at Keonelele Pens 551, 1964 to 1997. The record is 198.2 mm (7.8 in) in 1987, marked on the chart; the median year is 53.3 mm (2.1 in).
Wettest five days (Rx5day) at Keonelele Pens 551 by year
YearWettest five days (Rx5day)
196476.2 mm (3.0 in)
196597.7 mm (3.8 in)
196664.8 mm (2.6 in)
196790.2 mm (3.6 in)
1968182.9 mm (7.2 in)
1969114.8 mm (4.5 in)
1970100.3 mm (3.9 in)
1971158.8 mm (6.3 in)
197278.5 mm (3.1 in)
19730.0 mm (0.00 in)
197490.2 mm (3.6 in)
197592.7 mm (3.6 in)
1976114.3 mm (4.5 in)
197737.9 mm (1.5 in)
197878.7 mm (3.1 in)
197935.1 mm (1.4 in)
19800.0 mm (0.00 in)
19810.0 mm (0.00 in)
198215.2 mm (0.6 in)
198312.7 mm (0.5 in)
198453.3 mm (2.1 in)
19850.0 mm (0.00 in)
19867.6 mm (0.30 in)
1987198.2 mm (7.8 in)
19887.6 mm (0.30 in)
19896.6 mm (0.26 in)
199015.2 mm (0.6 in)
1991n/a
1992n/a
1993n/a
19940.0 mm (0.00 in)
19950.0 mm (0.00 in)
1996n/a
1997n/a

Longest dry spell (CDD)

Longest dry spell (CDD) at Keonelele Pens 551 by year The longest dry spell of the year at Keonelele Pens 551, 1964 to 1997. The record is 273 days in 1970, marked on the chart; the median year is 68 days. 0100200300197019801990Record: 273 days in 1970
The longest dry spell of the year at Keonelele Pens 551, 1964 to 1997. The record is 273 days in 1970, marked on the chart; the median year is 68 days.
Longest dry spell (CDD) at Keonelele Pens 551 by year
YearLongest dry spell (CDD)
196443 days
196544 days
196662 days
196726 days
196850 days
196977 days
1970273 days
1971254 days
197286 days
197351 days
197473 days
1975108 days
1976113 days
1977117 days
1978153 days
197962 days
198091 days
198188 days
198291 days
198373 days
1984239 days
198531 days
198631 days
198760 days
198861 days
198931 days
199031 days
1991n/a
1992n/a
1993n/a
199492 days
199561 days
19964 days
1997n/a

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 Keonelele Pens 551 standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Keonelele Pens 551 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

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