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Built 2026-10-18 (18 October 2026)

Woleai Atoll Threshold Days by Year

9 fixed thresholds counted per year at Woleai Atoll (FMC00914911): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Woleai Atoll Thresholds

  • Woleai Atoll: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1999 with 137.
  • Woleai Atoll: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 2021 with 57.
  • Woleai Atoll: days with 50 mm (1.97 in) or more of precipitation in 28 years, most in 2021 with 25.
  • Woleai Atoll: days with a maximum temperature at or above 30 C (86 F) in 17 years, most in 1998 with 320.
  • 9 fixed thresholds have at least one qualifying day at Woleai Atoll.
17 years with a qualifying day
Days at or above 30 C (86 F) per year at Woleai Atoll Days per year at Woleai Atoll with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 320 in 1998. 01002003004001971: 3151987: 2871988: 3061989: 3081990: 2671991: 2701992: 3181993: 2891994: 3121995: 2911996: 3011997: 3171998: 3201999: 2962000: 2722001: 3102002: 307197119881990199219941996199820002002
Days per year at Woleai Atoll with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 320 in 1998.
Days at or above 30 C (86 F) per year at Woleai Atoll
YearDaysDecade average
1971315315
1987287300.3
1988306300.3
1989308300.3
1990267298.1
1991270298.1
1992318298.1
1993289298.1
1994312298.1
1995291298.1
1996301298.1
1997317298.1
1998320298.1
1999296298.1
2000272296.3
2001310296.3
2002307296.3
First to last qualifying date each year at Woleai Atoll For each year, a bar from the first to the last day at Woleai Atoll meeting 30 C (86 F). 1971: 1 January 1971 to 31 December 19711987: 1 January 1987 to 31 December 19871988: 1 January 1988 to 29 December 19881989: 1 January 1989 to 31 December 19891990: 1 January 1990 to 31 December 19901991: 1 January 1991 to 31 December 19911992: 1 January 1992 to 31 December 19921993: 1 January 1993 to 31 December 19931994: 1 January 1994 to 31 December 19941995: 3 January 1995 to 31 December 19951996: 1 January 1996 to 31 December 19961997: 1 January 1997 to 31 December 19971998: 1 January 1998 to 31 December 19981999: 1 January 1999 to 28 December 19992000: 1 January 2000 to 31 December 20002001: 1 January 2001 to 31 December 20012002: 1 January 2002 to 31 December 2002197119891992199519982001JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Woleai Atoll meeting 30 C (86 F).
First to last qualifying date each year at Woleai Atoll
YearFirst dateLast date
19711971-01-011971-12-31
19871987-01-011987-12-31
19881988-01-011988-12-29
19891989-01-011989-12-31
19901990-01-011990-12-31
19911991-01-011991-12-31
19921992-01-011992-12-31
19931993-01-011993-12-31
19941994-01-011994-12-31
19951995-01-031995-12-31
19961996-01-011996-12-31
19971997-01-011997-12-31
19981998-01-011998-12-31
19991999-01-011999-12-28
20002000-01-012000-12-31
20012001-01-012001-12-31
20022002-01-012002-12-31

Every Fixed Threshold

Fixed thresholds at Woleai Atoll
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days173201998307
90 F (32.2 C): Days171462002146
20 C (68 F): Tropical nights (min173661996364
25 C (77 F): Days with min171991991145
10 mm (0.39 in): Days with 10 mm or more rain30137199969
25 mm (0.98 in): Days with 25 mm or more rain3057202134
50 mm (1.97 in): Days with 50 mm or more rain2825202113
100 mm (3.94 in): Days with 100 mm or more rain17420021
200 mm (7.87 in): Days with 200 mm or more rain1120021

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1971.

Download the Data

  • Data for Woleai Atoll 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-16).