Built 2026-10-19 (19 October 2026)

Adin Mtn Threshold Days by Year (USS0020H13S)

10 fixed thresholds counted per year at Adin Mtn (USS0020H13S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Adin Mtn Thresholds

  • Adin Mtn: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1998 with 55.
  • Adin Mtn: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1986 with 10.
  • Adin Mtn: days with a maximum temperature at or below 0 C (32 F) in 35 years, most in 2001 with 44.
  • Adin Mtn: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 1999 with 251.
  • 10 fixed thresholds have at least one qualifying day at Adin Mtn.
32 years with a qualifying day
Days at or above 30 C (86 F) per year at Adin Mtn Days per year at Adin Mtn with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 18 in 2021. 051015201991: 11992: 81994: 51996: 61997: 21998: 121999: 32000: 42001: 62002: 122003: 112004: 72005: 62006: 122007: 62008: 42009: 112012: 22013: 62014: 52015: 42016: 22017: 102018: 12019: 12020: 42021: 182022: 132023: 32024: 132025: 72026: 419911997200120052009201520192023
Days per year at Adin Mtn with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 18 in 2021.
Days at or above 30 C (86 F) per year at Adin Mtn
YearDaysDecade average
199115.3
199285.3
199455.3
199665.3
199725.3
1998125.3
199935.3
200047.9
200167.9
2002127.9
2003117.9
200477.9
200567.9
2006127.9
200767.9
200847.9
2009117.9
201223.9
201363.9
201453.9
201543.9
201623.9
2017103.9
201813.9
201913.9
202048.9
2021188.9
2022138.9
202338.9
2024138.9
202578.9
202648.9
First to last qualifying date each year at Adin Mtn For each year, a bar from the first to the last day at Adin Mtn meeting 30 C (86 F). 1991: 3 July 1991 to 3 July 19911992: 22 June 1992 to 18 August 19921994: 8 July 1994 to 21 July 19941996: 7 July 1996 to 23 August 19961997: 5 August 1997 to 6 August 19971998: 16 July 1998 to 4 September 19981999: 11 July 1999 to 13 July 19992000: 29 July 2000 to 2 August 20002001: 3 July 2001 to 25 August 20012002: 9 July 2002 to 15 August 20022003: 17 June 2003 to 3 September 20032004: 23 July 2004 to 13 August 20042005: 14 July 2005 to 5 August 20052006: 24 June 2006 to 27 July 20062007: 4 July 2007 to 1 August 20072008: 9 July 2008 to 16 August 20082009: 17 July 2009 to 11 September 20092012: 4 August 2012 to 14 August 20122013: 30 June 2013 to 21 July 20132014: 1 July 2014 to 15 July 20142015: 25 June 2015 to 31 July 20152016: 28 July 2016 to 29 July 20162017: 23 July 2017 to 5 September 20172018: 9 August 2018 to 9 August 20182019: 27 August 2019 to 27 August 20192020: 15 August 2020 to 4 September 20202021: 27 June 2021 to 7 September 20212022: 25 July 2022 to 7 September 20222023: 15 July 2023 to 14 August 20232024: 5 July 2024 to 1 August 20242025: 13 July 2025 to 23 August 20252026: 6 August 2026 to 9 August 202619911997200120052009201520192023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Adin Mtn meeting 30 C (86 F).
First to last qualifying date each year at Adin Mtn
YearFirst dateLast date
19911991-07-031991-07-03
19921992-06-221992-08-18
19941994-07-081994-07-21
19961996-07-071996-08-23
19971997-08-051997-08-06
19981998-07-161998-09-04
19991999-07-111999-07-13
20002000-07-292000-08-02
20012001-07-032001-08-25
20022002-07-092002-08-15
20032003-06-172003-09-03
20042004-07-232004-08-13
20052005-07-142005-08-05
20062006-06-242006-07-27
20072007-07-042007-08-01
20082008-07-092008-08-16
20092009-07-172009-09-11
20122012-08-042012-08-14
20132013-06-302013-07-21
20142014-07-012014-07-15
20152015-06-252015-07-31
20162016-07-282016-07-29
20172017-07-232017-09-05
20182018-08-092018-08-09
20192019-08-272019-08-27
20202020-08-152020-09-04
20212021-06-272021-09-07
20222022-07-252022-09-07
20232023-07-152023-08-14
20242024-07-052024-08-01
20252025-07-132025-08-23
20262026-08-062026-08-09

Every Fixed Threshold

Fixed thresholds at Adin Mtn
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days321820214
35 C (95 F): Days1220022
90 F (32.2 C): Days15620033
0 C (32 F): Ice days (max354420014
0 C (32 F): Frost days (min332511999122
-10 C (14 F): Days with min335720028
-20 C (-4 F): Days with min22719983
10 mm (0.39 in): Days with 10 mm or more rain4255199813
25 mm (0.98 in): Days with 25 mm or more rain411019863
50 mm (1.97 in): Days with 50 mm or more rain5319861

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1991.

Download the Data

  • Data for Adin Mtn 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).