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Built 2026-10-19 (19 October 2026)

Black Hills Arizona Threshold Days by Year

12 fixed thresholds counted per year at Black Hills Arizona (USR0000ABLA): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Black Hills Arizona Thresholds

  • Black Hills Arizona: days with a maximum temperature at or above 30 C (86 F) in 36 years, most in 2017 with 181.
  • Black Hills Arizona: days with a maximum temperature at or above 35 C (95 F) in 36 years, most in 2020 with 127.
  • Black Hills Arizona: days with a maximum temperature at or above 40 C (104 F) in 36 years, most in 2020 with 38.
  • Black Hills Arizona: days with a maximum temperature at or above 90 F (32.2 C) in 36 years, most in 2020 with 160.
  • 12 fixed thresholds have at least one qualifying day at Black Hills Arizona.
36 years with a qualifying day
Days at or above 30 C (86 F) per year at Black Hills Arizona Days per year at Black Hills Arizona with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 181 in 2017. 0501001502001989: 1761990: 1501991: 1561992: 1511994: 1561995: 1551996: 1651997: 1581998: 1531999: 1672000: 1682001: 1762002: 1732003: 1702004: 1292005: 1652006: 1502007: 1642008: 1582009: 1632010: 1612011: 1642012: 1722013: 1562014: 1502015: 1432016: 1612017: 1812018: 1682019: 1482020: 1802021: 1522022: 1662023: 1672024: 1772026: 171198919941998200220062010201420182022
Days per year at Black Hills Arizona with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 181 in 2017.
Days at or above 30 C (86 F) per year at Black Hills Arizona
YearDaysDecade average
1989176176
1990150156.8
1991156156.8
1992151156.8
1994156156.8
1995155156.8
1996165156.8
1997158156.8
1998153156.8
1999167156.8
2000168161.6
2001176161.6
2002173161.6
2003170161.6
2004129161.6
2005165161.6
2006150161.6
2007164161.6
2008158161.6
2009163161.6
2010161160.4
2011164160.4
2012172160.4
2013156160.4
2014150160.4
2015143160.4
2016161160.4
2017181160.4
2018168160.4
2019148160.4
2020180168.8
2021152168.8
2022166168.8
2023167168.8
2024177168.8
2026171168.8
First to last qualifying date each year at Black Hills Arizona For each year, a bar from the first to the last day at Black Hills Arizona meeting 30 C (86 F). 1989: 8 March 1989 to 14 October 19891990: 22 March 1990 to 27 October 19901991: 20 April 1991 to 20 October 19911992: 12 April 1992 to 20 October 19921994: 15 April 1994 to 13 October 19941995: 13 April 1995 to 27 October 19951996: 1 April 1996 to 18 October 19961997: 20 March 1997 to 10 October 19971998: 22 April 1998 to 15 October 19981999: 29 March 1999 to 11 November 19992000: 4 April 2000 to 6 October 20002001: 15 April 2001 to 3 November 20012002: 31 March 2002 to 16 October 20022003: 1 April 2003 to 24 October 20032004: 19 March 2004 to 9 October 20042005: 7 April 2005 to 10 November 20052006: 3 April 2006 to 13 October 20062007: 15 March 2007 to 8 November 20072008: 14 April 2008 to 1 November 20082009: 19 March 2009 to 5 November 20092010: 15 April 2010 to 30 October 20102011: 17 March 2011 to 24 October 20112012: 31 March 2012 to 20 October 20122013: 14 March 2013 to 24 October 20132014: 8 April 2014 to 26 October 20142015: 27 March 2015 to 15 October 20152016: 4 April 2016 to 30 October 20162017: 14 March 2017 to 23 October 20172018: 22 March 2018 to 4 October 20182019: 8 April 2019 to 17 October 20192020: 23 April 2020 to 5 November 20202021: 2 April 2021 to 25 October 20212022: 25 March 2022 to 13 October 20222023: 10 April 2023 to 5 November 20232024: 12 April 2024 to 28 October 20242026: 27 February 2026 to 9 October 202619891995200020052010201520202026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Black Hills Arizona meeting 30 C (86 F).
First to last qualifying date each year at Black Hills Arizona
YearFirst dateLast date
19891989-03-081989-10-14
19901990-03-221990-10-27
19911991-04-201991-10-20
19921992-04-121992-10-20
19941994-04-151994-10-13
19951995-04-131995-10-27
19961996-04-011996-10-18
19971997-03-201997-10-10
19981998-04-221998-10-15
19991999-03-291999-11-11
20002000-04-042000-10-06
20012001-04-152001-11-03
20022002-03-312002-10-16
20032003-04-012003-10-24
20042004-03-192004-10-09
20052005-04-072005-11-10
20062006-04-032006-10-13
20072007-03-152007-11-08
20082008-04-142008-11-01
20092009-03-192009-11-05
20102010-04-152010-10-30
20112011-03-172011-10-24
20122012-03-312012-10-20
20132013-03-142013-10-24
20142014-04-082014-10-26
20152015-03-272015-10-15
20162016-04-042016-10-30
20172017-03-142017-10-23
20182018-03-222018-10-04
20192019-04-082019-10-17
20202020-04-232020-11-05
20212021-04-022021-10-25
20222022-03-252022-10-13
20232023-04-102023-11-05
20242024-04-122024-10-28
20262026-02-272026-10-09

Every Fixed Threshold

Fixed thresholds at Black Hills Arizona
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days361812017171
35 C (95 F): Days361272020109
40 C (104 F): Days3638202036
45 C (113 F): Days7519941
90 F (32.2 C): Days361602020144
100 F (37.8 C): Days3681202074
110 F (43.3 C): Days18820233
0 C (32 F): Ice days (max2119971
0 C (32 F): Frost days (min364819906
-10 C (14 F): Days with min1220112
20 C (68 F): Tropical nights (min361102014119
25 C (77 F): Days with min3646202053

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1989.

Download the Data

  • Data for Black Hills 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).