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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Ailinglapalap Threshold Days by Year (RMC00913915)

9 fixed thresholds counted per year at Ailinglapalap (RMC00913915): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ailinglapalap Thresholds

  • Ailinglapalap: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 2022 with 130.
  • Ailinglapalap: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 2020 with 55.
  • Ailinglapalap: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1997 with 23.
  • Ailinglapalap: days with 100 mm (3.94 in) or more of precipitation in 14 years, most in 1997 with 4.
  • 9 fixed thresholds have at least one qualifying day at Ailinglapalap.
12 years with a qualifying day
Days at or above 30 C (86 F) per year at Ailinglapalap Days per year at Ailinglapalap with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 298 in 2017. 01002003002014: 2612015: 2432016: 2652017: 2982018: 2852019: 2442020: 2292021: 2472022: 2042023: 2142024: 1722025: 243201420162018202020222024
Days per year at Ailinglapalap with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 298 in 2017.
Days at or above 30 C (86 F) per year at Ailinglapalap
YearDaysDecade average
2014261266
2015243266
2016265266
2017298266
2018285266
2019244266
2020229218.2
2021247218.2
2022204218.2
2023214218.2
2024172218.2
2025243218.2
First to last qualifying date each year at Ailinglapalap For each year, a bar from the first to the last day at Ailinglapalap meeting 30 C (86 F). 2014: 1 January 2014 to 31 December 20142015: 1 January 2015 to 31 December 20152016: 4 January 2016 to 31 December 20162017: 1 January 2017 to 31 December 20172018: 1 January 2018 to 28 December 20182019: 1 January 2019 to 28 December 20192020: 2 January 2020 to 31 December 20202021: 1 January 2021 to 31 December 20212022: 1 January 2022 to 30 December 20222023: 1 January 2023 to 31 December 20232024: 1 January 2024 to 30 December 20242025: 1 January 2025 to 31 December 2025201420162018202020222024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ailinglapalap meeting 30 C (86 F).
First to last qualifying date each year at Ailinglapalap
YearFirst dateLast date
20142014-01-012014-12-31
20152015-01-012015-12-31
20162016-01-042016-12-31
20172017-01-012017-12-31
20182018-01-012018-12-28
20192019-01-012019-12-28
20202020-01-022020-12-31
20212021-01-012021-12-31
20222022-01-012022-12-30
20232023-01-012023-12-31
20242024-01-012024-12-30
20252025-01-012025-12-31

Every Fixed Threshold

Fixed thresholds at Ailinglapalap
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days122982017243
35 C (95 F): Days1120141
90 F (32.2 C): Days127520181
20 C (68 F): Tropical nights (min123662020365
25 C (77 F): Days with min123002025300
10 mm (0.39 in): Days with 10 mm or more rain23130202285
25 mm (0.98 in): Days with 25 mm or more rain2355202034
50 mm (1.97 in): Days with 50 mm or more rain232319979
100 mm (3.94 in): Days with 100 mm or more rain14419971

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2014.

Download the Data

  • Data for Ailinglapalap 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

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