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

Moaula 18 Weather Records (USC00516407)

Record envelope, standing records and threshold days for Moaula 18 (USC00516407), Hawaii, United States, with 35 years of record.

Key Facts for Moaula 18

  • Moaula 18 (USC00516407) is a weather station in Hawaii, United States at 19.18 latitude and -155.50 longitude, 183 m (600 ft) above sea level.
  • The station reports from 1949 to 1983, 35 years of record.
  • 0 records set at Moaula 18 still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: Hawaii, United States, 19.18 latitude, -155.50 longitude.
  • Elevation: 183 m (600 ft).
  • Period of record: 1949 to 1983, 35 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Moaula 18, with 2026 drawn through them The band shows the record high and record low for each calendar day at Moaula 18. 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 Moaula 18. 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 Moaula 18, 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 Moaula 18 by the year they were set 0 records at Moaula 18 still stand. 00000000000
0 records at Moaula 18 still stand.
Standing records at Moaula 18 by the year they were set
Year setStanding records

Wettest Day of Each Month

Apr: 45.7 mm (1.8 in)
Record daily precipitation for each month at Moaula 18 The wettest day on record for each calendar month at Moaula 18. The most was 45.7 mm (1.8 in) on 30 April 1983. 0204060 Jan: 2.5 mm (0.10 in), 27 January 1978 Jan Feb: 7.6 mm (0.30 in), 5 February 1982 Feb Mar: 1.3 mm (0.05 in), 5 March 1982 Mar Apr: 45.7 mm (1.8 in), 30 April 1983 Apr May: 0.0 mm (0.00 in), 1 May 1953 May Jun: 8.9 mm (0.35 in), 4 June 1982 Jun Jul: 27.9 mm (1.1 in), 2 July 1982 Jul Aug: 27.9 mm (1.1 in), 6 August 1982 Aug Sep: 0.0 mm (0.00 in), 1 September 1977 Sep Oct: 11.4 mm (0.4 in), 1 October 1982 Oct Nov: 0.0 mm (0.00 in), 20 November 1976 Nov Dec: 0.0 mm (0.00 in), 1 December 1975 Dec
The wettest day on record for each calendar month at Moaula 18. The most was 45.7 mm (1.8 in) on 30 April 1983.
Record daily precipitation for each month at Moaula 18
MonthRecord daily precipitation (mm)Date
Jan2.5 mm (0.10 in)27 January 1978
Feb7.6 mm (0.30 in)5 February 1982
Mar1.3 mm (0.05 in)5 March 1982
Apr45.7 mm (1.8 in)30 April 1983
May0.0 mm (0.00 in)1 May 1953
Jun8.9 mm (0.35 in)4 June 1982
Jul27.9 mm (1.1 in)2 July 1982
Aug27.9 mm (1.1 in)6 August 1982
Sep0.0 mm (0.00 in)1 September 1977
Oct11.4 mm (0.4 in)1 October 1982
Nov0.0 mm (0.00 in)20 November 1976
Dec0.0 mm (0.00 in)1 December 1975

Latest Records

0

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

Extremes by Year

1949 to 1983
Yearly extremes at Moaula 18: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)45.7 mm (1.8 in)19830.0 mm (0.00 in)18
Wettest five days (Rx5day)22.9 mm (0.9 in)19820.0 mm (0.00 in)16
Longest dry spell (CDD)59 days197931 days17

Wettest day (Rx1day)

Wettest day (Rx1day) at Moaula 18 by year The wettest day of the year at Moaula 18, 1949 to 1983. The record is 45.7 mm (1.8 in) in 1983, marked on the chart; the median year is 0.0 mm (0.00 in). 02040601950196019701980Record: 45.7 mm (1.8 in) in 1983
The wettest day of the year at Moaula 18, 1949 to 1983. The record is 45.7 mm (1.8 in) in 1983, marked on the chart; the median year is 0.0 mm (0.00 in).
Wettest day (Rx1day) at Moaula 18 by year
YearWettest day (Rx1day)
1949n/a
1950n/a
1951n/a
19530.0 mm (0.00 in)
19560.0 mm (0.00 in)
19570.0 mm (0.00 in)
1958n/a
1959n/a
19600.0 mm (0.00 in)
1961n/a
19626.4 mm (0.25 in)
1963n/a
19640.0 mm (0.00 in)
1965n/a
19660.0 mm (0.00 in)
1967n/a
1968n/a
1969n/a
1970n/a
1971n/a
1972n/a
19730.0 mm (0.00 in)
19740.0 mm (0.00 in)
19750.0 mm (0.00 in)
19760.0 mm (0.00 in)
19770.8 mm (0.03 in)
19782.5 mm (0.10 in)
19792.5 mm (0.10 in)
19800.0 mm (0.00 in)
198115.2 mm (0.6 in)
198227.9 mm (1.1 in)
198345.7 mm (1.8 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Moaula 18 by year The wettest five days of the year at Moaula 18, 1949 to 1983. The record is 22.9 mm (0.9 in) in 1982, marked on the chart; the median year is 0.0 mm (0.00 in). 01020301950196019701980Record: 22.9 mm (0.9 in) in 1982
The wettest five days of the year at Moaula 18, 1949 to 1983. The record is 22.9 mm (0.9 in) in 1982, marked on the chart; the median year is 0.0 mm (0.00 in).
Wettest five days (Rx5day) at Moaula 18 by year
YearWettest five days (Rx5day)
1949n/a
1950n/a
1951n/a
19530.0 mm (0.00 in)
19560.0 mm (0.00 in)
19570.0 mm (0.00 in)
1958n/a
1959n/a
19600.0 mm (0.00 in)
1961n/a
1962n/a
1963n/a
19640.0 mm (0.00 in)
1965n/a
19660.0 mm (0.00 in)
1967n/a
1968n/a
1969n/a
1970n/a
1971n/a
1972n/a
19730.0 mm (0.00 in)
1974n/a
19750.0 mm (0.00 in)
19760.0 mm (0.00 in)
19770.8 mm (0.03 in)
19782.5 mm (0.10 in)
19792.5 mm (0.10 in)
19800.0 mm (0.00 in)
198115.2 mm (0.6 in)
198222.9 mm (0.9 in)
19830.0 mm (0.00 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Moaula 18 by year The longest dry spell of the year at Moaula 18, 1949 to 1983. The record is 59 days in 1979, marked on the chart; the median year is 31 days. 02040601950196019701980Record: 59 days in 1979
The longest dry spell of the year at Moaula 18, 1949 to 1983. The record is 59 days in 1979, marked on the chart; the median year is 31 days.
Longest dry spell (CDD) at Moaula 18 by year
YearLongest dry spell (CDD)
1949n/a
1950n/a
1951n/a
195331 days
195630 days
195731 days
1958n/a
1959n/a
196031 days
1961n/a
1962n/a
1963n/a
196414 days
1965n/a
196630 days
1967n/a
1968n/a
1969n/a
1970n/a
1971n/a
1972n/a
197328 days
19743 days
197531 days
197621 days
197748 days
197843 days
197959 days
198028 days
198156 days
198259 days
198359 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 Moaula 18 standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Moaula 18 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 . Last revised (2025-12-31).