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

Mona Island 2 Threshold Days by Year (RQC00666258)

9 fixed thresholds counted per year at Mona Island 2 (RQC00666258): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mona Island 2 Thresholds

  • Mona Island 2: days with 10 mm (0.39 in) or more of precipitation in 16 years, most in 1984 with 36.
  • Mona Island 2: days with 25 mm (0.98 in) or more of precipitation in 16 years, most in 2001 with 13.
  • Mona Island 2: days with 50 mm (1.97 in) or more of precipitation in 15 years, most in 2008 with 6.
  • Mona Island 2: days with a maximum temperature at or above 30 C (86 F) in 11 years, most in 2003 with 337.
  • 9 fixed thresholds have at least one qualifying day at Mona Island 2.
11 years with a qualifying day
Days at or above 30 C (86 F) per year at Mona Island 2 Days per year at Mona Island 2 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 337 in 2003. 01002003004001984: 2451986: 2581991: 2651993: 2611997: 2811999: 3212000: 3052001: 3292003: 3372006: 3222008: 264198419911997200020032008
Days per year at Mona Island 2 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 337 in 2003.
Days at or above 30 C (86 F) per year at Mona Island 2
YearDaysDecade average
1984245251.5
1986258251.5
1991265282
1993261282
1997281282
1999321282
2000305311.4
2001329311.4
2003337311.4
2006322311.4
2008264311.4
First to last qualifying date each year at Mona Island 2 For each year, a bar from the first to the last day at Mona Island 2 meeting 30 C (86 F). 1984: 8 January 1984 to 6 December 19841986: 4 January 1986 to 31 December 19861991: 2 January 1991 to 8 December 19911993: 15 January 1993 to 22 December 19931997: 4 January 1997 to 31 December 19971999: 1 January 1999 to 30 November 19992000: 8 January 2000 to 31 December 20002001: 4 January 2001 to 31 December 20012003: 1 January 2003 to 31 December 20032006: 1 January 2006 to 30 December 20062008: 10 January 2008 to 23 December 2008198419911997200020032008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mona Island 2 meeting 30 C (86 F).
First to last qualifying date each year at Mona Island 2
YearFirst dateLast date
19841984-01-081984-12-06
19861986-01-041986-12-31
19911991-01-021991-12-08
19931993-01-151993-12-22
19971997-01-041997-12-31
19991999-01-011999-11-30
20002000-01-082000-12-31
20012001-01-042001-12-31
20032003-01-012003-12-31
20062006-01-012006-12-30
20082008-01-102008-12-23

Every Fixed Threshold

Fixed thresholds at Mona Island 2
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days113372003264
35 C (95 F): Days713519993
90 F (32.2 C): Days112612001142
20 C (68 F): Tropical nights (min113482003219
25 C (77 F): Days with min113620032
10 mm (0.39 in): Days with 10 mm or more rain1636198428
25 mm (0.98 in): Days with 25 mm or more rain1613200112
50 mm (1.97 in): Days with 50 mm or more rain15620086
100 mm (3.94 in): Days with 100 mm or more rain5220031

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1984.

Download the Data

  • Data for Mona Island 2 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).