Built 2026-10-15 (15 October 2026)

Moss Basin Arizona Threshold Days by Year

8 fixed thresholds counted per year at Moss Basin Arizona (USR0000AMOS): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Moss Basin Arizona Thresholds

  • Moss Basin Arizona: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 2020 with 80.
  • Moss Basin Arizona: days with a maximum temperature at or above 90 F (32.2 C) in 34 years, most in 2020 with 40.
  • Moss Basin Arizona: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 1998 with 116.
  • Moss Basin Arizona: nights with a minimum temperature at or above 20 C (68 F) in 33 years, most in 2021 with 23.
  • 8 fixed thresholds have at least one qualifying day at Moss Basin Arizona.
34 years with a qualifying day
Days at or above 30 C (86 F) per year at Moss Basin Arizona Days per year at Moss Basin Arizona with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 80 in 2020. 0204060801993: 321994: 431995: 491996: 601997: 421998: 381999: 362000: 712001: 602002: 742003: 582004: 492005: 472006: 552007: 772008: 692009: 652010: 722011: 602012: 612013: 552014: 312015: 482016: 462017: 642018: 562019: 592020: 802021: 512022: 352023: 442024: 772025: 522026: 62199319972001200520092013201720212025
Days per year at Moss Basin Arizona with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 80 in 2020.
Days at or above 30 C (86 F) per year at Moss Basin Arizona
YearDaysDecade average
19933242.9
19944342.9
19954942.9
19966042.9
19974242.9
19983842.9
19993642.9
20007162.5
20016062.5
20027462.5
20035862.5
20044962.5
20054762.5
20065562.5
20077762.5
20086962.5
20096562.5
20107255.2
20116055.2
20126155.2
20135555.2
20143155.2
20154855.2
20164655.2
20176455.2
20185655.2
20195955.2
20208057.3
20215157.3
20223557.3
20234457.3
20247757.3
20255257.3
20266257.3
First to last qualifying date each year at Moss Basin Arizona For each year, a bar from the first to the last day at Moss Basin Arizona meeting 30 C (86 F). 1993: 13 June 1993 to 27 September 19931994: 9 June 1994 to 8 September 19941995: 11 June 1995 to 5 September 19951996: 11 May 1996 to 8 October 19961997: 29 May 1997 to 28 August 19971998: 27 June 1998 to 30 August 19981999: 13 June 1999 to 13 September 19992000: 21 May 2000 to 20 September 20002001: 23 May 2001 to 27 September 20012002: 29 May 2002 to 24 September 20022003: 21 May 2003 to 30 September 20032004: 13 June 2004 to 10 September 20042005: 21 May 2005 to 8 September 20052006: 14 May 2006 to 29 August 20062007: 11 May 2007 to 13 September 20072008: 18 May 2008 to 25 September 20082009: 17 May 2009 to 28 September 20092010: 5 June 2010 to 30 September 20102011: 14 June 2011 to 23 September 20112012: 21 May 2012 to 2 October 20122013: 1 June 2013 to 5 September 20132014: 5 June 2014 to 2 September 20142015: 31 May 2015 to 24 September 20152016: 2 June 2016 to 30 August 20162017: 3 June 2017 to 5 September 20172018: 8 May 2018 to 27 September 20182019: 11 June 2019 to 14 September 20192020: 29 April 2020 to 3 October 20202021: 2 June 2021 to 12 September 20212022: 7 June 2022 to 7 September 20222023: 30 June 2023 to 9 September 20232024: 5 June 2024 to 7 October 20242025: 8 June 2025 to 1 September 20252026: 11 May 2026 to 10 September 20261993199820032008201320182023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Moss Basin Arizona meeting 30 C (86 F).
First to last qualifying date each year at Moss Basin Arizona
YearFirst dateLast date
19931993-06-131993-09-27
19941994-06-091994-09-08
19951995-06-111995-09-05
19961996-05-111996-10-08
19971997-05-291997-08-28
19981998-06-271998-08-30
19991999-06-131999-09-13
20002000-05-212000-09-20
20012001-05-232001-09-27
20022002-05-292002-09-24
20032003-05-212003-09-30
20042004-06-132004-09-10
20052005-05-212005-09-08
20062006-05-142006-08-29
20072007-05-112007-09-13
20082008-05-182008-09-25
20092009-05-172009-09-28
20102010-06-052010-09-30
20112011-06-142011-09-23
20122012-05-212012-10-02
20132013-06-012013-09-05
20142014-06-052014-09-02
20152015-05-312015-09-24
20162016-06-022016-08-30
20172017-06-032017-09-05
20182018-05-082018-09-27
20192019-06-112019-09-14
20202020-04-292020-10-03
20212021-06-022021-09-12
20222022-06-072022-09-07
20232023-06-302023-09-09
20242024-06-052024-10-07
20252025-06-082025-09-01
20262026-05-112026-09-10

Every Fixed Threshold

Fixed thresholds at Moss Basin Arizona
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3480202062
35 C (95 F): Days271220202
90 F (32.2 C): Days3440202031
100 F (37.8 C): Days6220051
0 C (32 F): Ice days (max28820191
0 C (32 F): Frost days (min34116199817
-10 C (14 F): Days with min17920134
20 C (68 F): Tropical nights (min3323202115

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1993.

Download the Data

  • Data for Moss Basin 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-14).