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Built 2026-10-19 (19 October 2026)

Iron Springs Arizona Threshold Days by Year (USR0000AIRO)

10 fixed thresholds counted per year at Iron Springs Arizona (USR0000AIRO): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Iron Springs Arizona Thresholds

  • Iron Springs Arizona: days with a maximum temperature at or above 30 C (86 F) in 32 years, most in 2024 with 105.
  • Iron Springs Arizona: days with a maximum temperature at or above 90 F (32.2 C) in 32 years, most in 2024 with 68.
  • Iron Springs Arizona: nights with a minimum temperature at or below 0 C (32 F) in 32 years, most in 1991 with 144.
  • Iron Springs Arizona: nights with a minimum temperature at or below -10 C (14 F) in 30 years, most in 1990 with 20.
  • 10 fixed thresholds have at least one qualifying day at Iron Springs Arizona.
32 years with a qualifying day
Days at or above 30 C (86 F) per year at Iron Springs Arizona Days per year at Iron Springs Arizona with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 105 in 2024. 0501001501987: 391989: 561990: 521991: 481992: 371993: 431994: 761995: 582002: 792003: 652004: 552005: 462006: 572008: 662009: 592010: 672011: 742012: 552013: 522014: 492015: 562016: 562017: 642018: 752019: 722020: 1022021: 622022: 612023: 612024: 1052025: 682026: 7919871992200220062011201520192023
Days per year at Iron Springs Arizona with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 105 in 2024.
Days at or above 30 C (86 F) per year at Iron Springs Arizona
YearDaysDecade average
19873947.5
19895647.5
19905252.3
19914852.3
19923752.3
19934352.3
19947652.3
19955852.3
20027961
20036561
20045561
20054661
20065761
20086661
20095961
20106762
20117462
20125562
20135262
20144962
20155662
20165662
20176462
20187562
20197262
202010276.9
20216276.9
20226176.9
20236176.9
202410576.9
20256876.9
20267976.9
First to last qualifying date each year at Iron Springs Arizona For each year, a bar from the first to the last day at Iron Springs Arizona meeting 30 C (86 F). 1987: 2 June 1987 to 6 October 19871989: 7 April 1989 to 22 September 19891990: 3 June 1990 to 14 September 19901991: 17 June 1991 to 15 October 19911992: 21 June 1992 to 27 September 19921993: 13 June 1993 to 2 October 19931994: 30 May 1994 to 28 September 19941995: 11 June 1995 to 13 September 19952002: 29 May 2002 to 24 September 20022003: 21 May 2003 to 20 October 20032004: 31 May 2004 to 12 September 20042005: 21 May 2005 to 20 September 20052006: 12 May 2006 to 29 September 20062008: 18 May 2008 to 24 September 20082009: 16 May 2009 to 28 September 20092010: 4 June 2010 to 30 September 20102011: 14 June 2011 to 29 September 20112012: 15 May 2012 to 27 August 20122013: 1 June 2013 to 5 September 20132014: 27 May 2014 to 24 September 20142015: 30 May 2015 to 30 September 20152016: 2 June 2016 to 19 September 20162017: 2 June 2017 to 12 September 20172018: 8 May 2018 to 27 September 20182019: 9 June 2019 to 14 September 20192020: 26 May 2020 to 15 October 20202021: 1 June 2021 to 15 September 20212022: 14 May 2022 to 8 September 20222023: 25 June 2023 to 20 October 20232024: 31 May 2024 to 8 October 20242025: 30 May 2025 to 25 September 20252026: 18 March 2026 to 12 September 202619871992200220062011201520192023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Iron Springs Arizona meeting 30 C (86 F).
First to last qualifying date each year at Iron Springs Arizona
YearFirst dateLast date
19871987-06-021987-10-06
19891989-04-071989-09-22
19901990-06-031990-09-14
19911991-06-171991-10-15
19921992-06-211992-09-27
19931993-06-131993-10-02
19941994-05-301994-09-28
19951995-06-111995-09-13
20022002-05-292002-09-24
20032003-05-212003-10-20
20042004-05-312004-09-12
20052005-05-212005-09-20
20062006-05-122006-09-29
20082008-05-182008-09-24
20092009-05-162009-09-28
20102010-06-042010-09-30
20112011-06-142011-09-29
20122012-05-152012-08-27
20132013-06-012013-09-05
20142014-05-272014-09-24
20152015-05-302015-09-30
20162016-06-022016-09-19
20172017-06-022017-09-12
20182018-05-082018-09-27
20192019-06-092019-09-14
20202020-05-262020-10-15
20212021-06-012021-09-15
20222022-05-142022-09-08
20232023-06-252023-10-20
20242024-05-312024-10-08
20252025-05-302025-09-25
20262026-03-182026-09-12

Every Fixed Threshold

Fixed thresholds at Iron Springs Arizona
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days32105202479
35 C (95 F): Days281920208
90 F (32.2 C): Days3268202446
100 F (37.8 C): Days11720212
0 C (32 F): Ice days (max15719871
0 C (32 F): Frost days (min32144199155
-10 C (14 F): Days with min302019906
-20 C (-4 F): Days with min1219902
20 C (68 F): Tropical nights (min244220038
25 C (77 F): Days with min32220031

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1987.

Download the Data

  • Data for Iron Springs Arizona 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 (2026-10-17).