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Built 2026-10-19 (19 October 2026)

Hierro/Aeropuerto Threshold Days by Year (SPE00120431)

8 fixed thresholds counted per year at Hierro/Aeropuerto (SPE00120431): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hierro/Aeropuerto Thresholds

  • Hierro/Aeropuerto: nights with a minimum temperature at or above 20 C (68 F) in 53 years, most in 2023 with 208.
  • Hierro/Aeropuerto: days with 10 mm (0.39 in) or more of precipitation in 50 years, most in 1987 with 8.
  • Hierro/Aeropuerto: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 1983 with 11.
  • Hierro/Aeropuerto: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 2010 with 6.
  • 8 fixed thresholds have at least one qualifying day at Hierro/Aeropuerto.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Hierro/Aeropuerto Days per year at Hierro/Aeropuerto with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 11 in 1983. 0510151974: 31976: 61978: 21982: 21983: 111985: 31986: 11987: 81989: 21990: 31991: 21995: 21997: 12001: 52002: 22003: 42004: 62005: 22006: 42007: 32010: 12012: 22013: 12014: 52015: 22017: 22020: 52021: 22022: 32023: 72024: 12025: 62026: 3197419831989199720042010201520222026
Days per year at Hierro/Aeropuerto with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 11 in 1983.
Days at or above 30 C (86 F) per year at Hierro/Aeropuerto
YearDaysDecade average
197433.7
197663.7
197823.7
198224.5
1983114.5
198534.5
198614.5
198784.5
198924.5
199032
199122
199522
199712
200153.7
200223.7
200343.7
200463.7
200523.7
200643.7
200733.7
201012.2
201222.2
201312.2
201452.2
201522.2
201722.2
202053.9
202123.9
202233.9
202373.9
202413.9
202563.9
202633.9
First to last qualifying date each year at Hierro/Aeropuerto For each year, a bar from the first to the last day at Hierro/Aeropuerto meeting 30 C (86 F). 1974: 10 September 1974 to 5 October 19741976: 8 August 1976 to 1 September 19761978: 15 October 1978 to 16 October 19781982: 26 July 1982 to 27 July 19821983: 15 June 1983 to 13 October 19831985: 22 September 1985 to 30 September 19851986: 6 September 1986 to 6 September 19861987: 19 August 1987 to 16 September 19871989: 11 March 1989 to 8 October 19891990: 6 August 1990 to 28 September 19901991: 2 September 1991 to 4 November 19911995: 18 October 1995 to 19 October 19951997: 5 November 1997 to 5 November 19972001: 22 September 2001 to 26 October 20012002: 5 October 2002 to 6 October 20022003: 13 August 2003 to 3 October 20032004: 25 July 2004 to 29 August 20042005: 26 May 2005 to 5 September 20052006: 4 September 2006 to 23 October 20062007: 10 May 2007 to 30 July 20072010: 26 August 2010 to 26 August 20102012: 27 June 2012 to 30 October 20122013: 12 July 2013 to 12 July 20132014: 22 October 2014 to 26 October 20142015: 13 August 2015 to 3 October 20152017: 25 September 2017 to 15 October 20172020: 29 May 2020 to 31 October 20202021: 17 October 2021 to 18 October 20212022: 4 August 2022 to 12 September 20222023: 20 August 2023 to 14 October 20232024: 19 August 2024 to 19 August 20242025: 17 July 2025 to 4 November 20252026: 1 August 2026 to 3 August 20261974198519912003201020172024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hierro/Aeropuerto meeting 30 C (86 F).
First to last qualifying date each year at Hierro/Aeropuerto
YearFirst dateLast date
19741974-09-101974-10-05
19761976-08-081976-09-01
19781978-10-151978-10-16
19821982-07-261982-07-27
19831983-06-151983-10-13
19851985-09-221985-09-30
19861986-09-061986-09-06
19871987-08-191987-09-16
19891989-03-111989-10-08
19901990-08-061990-09-28
19911991-09-021991-11-04
19951995-10-181995-10-19
19971997-11-051997-11-05
20012001-09-222001-10-26
20022002-10-052002-10-06
20032003-08-132003-10-03
20042004-07-252004-08-29
20052005-05-262005-09-05
20062006-09-042006-10-23
20072007-05-102007-07-30
20102010-08-262010-08-26
20122012-06-272012-10-30
20132013-07-122013-07-12
20142014-10-222014-10-26
20152015-08-132015-10-03
20172017-09-252017-10-15
20202020-05-292020-10-31
20212021-10-172021-10-18
20222022-08-042022-09-12
20232023-08-202023-10-14
20242024-08-192024-08-19
20252025-07-172025-11-04
20262026-08-012026-08-03

Every Fixed Threshold

Fixed thresholds at Hierro/Aeropuerto
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days331119833
90 F (32.2 C): Days16419832
20 C (68 F): Tropical nights (min53208202375
25 C (77 F): Days with min10520041
10 mm (0.39 in): Days with 10 mm or more rain50819875
25 mm (0.98 in): Days with 25 mm or more rain29620101
50 mm (1.97 in): Days with 50 mm or more rain15320101
100 mm (3.94 in): Days with 100 mm or more rain4119871

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1974.

Download the Data

  • Data for Hierro/Aeropuerto 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 (2026-10-14).