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

Ponza Island Threshold Days by Year (ITM00016280)

9 fixed thresholds counted per year at Ponza Island (ITM00016280): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ponza Island Thresholds

  • Ponza Island: days with 10 mm (0.39 in) or more of precipitation in 19 years, most in 2008 with 26.
  • Ponza Island: days with 25 mm (0.98 in) or more of precipitation in 19 years, most in 2008 with 6.
  • Ponza Island: days with a maximum temperature at or above 30 C (86 F) in 14 years, most in 2000 with 31.
  • Ponza Island: days with 50 mm (1.97 in) or more of precipitation in 10 years, most in 1974 with 2.
  • 9 fixed thresholds have at least one qualifying day at Ponza Island.
14 years with a qualifying day
Days at or above 30 C (86 F) per year at Ponza Island Days per year at Ponza Island with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 31 in 2000. 0102030401967: 31969: 51970: 61974: 151975: 61981: 51983: 202000: 312001: 42004: 22005: 32008: 32014: 52025: 21967197019751983200120052014
Days per year at Ponza Island with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 31 in 2000.
Days at or above 30 C (86 F) per year at Ponza Island
YearDaysDecade average
196734
196954
197069
1974159
197569
1981512.5
19832012.5
2000318.6
200148.6
200428.6
200538.6
200838.6
201455
202522
First to last qualifying date each year at Ponza Island For each year, a bar from the first to the last day at Ponza Island meeting 30 C (86 F). 1967: 23 July 1967 to 26 July 19671969: 28 July 1969 to 13 September 19691970: 23 July 1970 to 8 August 19701974: 16 May 1974 to 21 August 19741975: 2 June 1975 to 11 August 19751981: 2 August 1981 to 11 August 19811983: 10 July 1983 to 10 August 19832000: 8 June 2000 to 15 September 20002001: 1 August 2001 to 10 August 20012004: 7 July 2004 to 20 August 20042005: 28 July 2005 to 30 July 20052008: 12 August 2008 to 15 August 20082014: 9 June 2014 to 12 August 20142025: 12 June 2025 to 15 June 20251967197019751983200120052014JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ponza Island meeting 30 C (86 F).
First to last qualifying date each year at Ponza Island
YearFirst dateLast date
19671967-07-231967-07-26
19691969-07-281969-09-13
19701970-07-231970-08-08
19741974-05-161974-08-21
19751975-06-021975-08-11
19811981-08-021981-08-11
19831983-07-101983-08-10
20002000-06-082000-09-15
20012001-08-012001-08-10
20042004-07-072004-08-20
20052005-07-282005-07-30
20082008-08-122008-08-15
20142014-06-092014-08-12
20252025-06-122025-06-15

Every Fixed Threshold

Fixed thresholds at Ponza Island
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days143120002
35 C (95 F): Days2219832
90 F (32.2 C): Days41420001
20 C (68 F): Tropical nights (min10n/a8
10 mm (0.39 in): Days with 10 mm or more rain1926200818
25 mm (0.98 in): Days with 25 mm or more rain19620086
50 mm (1.97 in): Days with 50 mm or more rain10219742
100 mm (3.94 in): Days with 100 mm or more rain2119741
200 mm (7.87 in): Days with 200 mm or more rain1119741

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1967.

Download the Data

  • Data for Ponza Island 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).