Built 2026-10-19 (19 October 2026)

Alder Ridge Washington Threshold Days by Year (USR0000WALD)

9 fixed thresholds counted per year at Alder Ridge Washington (USR0000WALD): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alder Ridge Washington Thresholds

  • Alder Ridge Washington: days with a maximum temperature at or below 0 C (32 F) in 27 years, most in 2019 with 46.
  • Alder Ridge Washington: nights with a minimum temperature at or below 0 C (32 F) in 27 years, most in 2008 with 160.
  • Alder Ridge Washington: nights with a minimum temperature at or above 20 C (68 F) in 27 years, most in 2021 with 24.
  • Alder Ridge Washington: days with a maximum temperature at or above 30 C (86 F) in 26 years, most in 2021 with 24.
  • 9 fixed thresholds have at least one qualifying day at Alder Ridge Washington.
26 years with a qualifying day
Days at or above 30 C (86 F) per year at Alder Ridge Washington Days per year at Alder Ridge Washington with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 24 in 2021. 01020301989: 11998: 122000: 62001: 72003: 172004: 132005: 92006: 132007: 102008: 92009: 102010: 42011: 72012: 92013: 92016: 32017: 232018: 122019: 22020: 112021: 242022: 212023: 112024: 202025: 162026: 10198920012005200820112016201920222025
Days per year at Alder Ridge Washington with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 24 in 2021.
Days at or above 30 C (86 F) per year at Alder Ridge Washington
YearDaysDecade average
198911
19981212
2000610.4
2001710.4
20031710.4
20041310.4
2005910.4
20061310.4
20071010.4
2008910.4
20091010.4
201048.6
201178.6
201298.6
201398.6
201638.6
2017238.6
2018128.6
201928.6
20201116.1
20212416.1
20222116.1
20231116.1
20242016.1
20251616.1
20261016.1
First to last qualifying date each year at Alder Ridge Washington For each year, a bar from the first to the last day at Alder Ridge Washington meeting 30 C (86 F). 1989: 7 August 1989 to 7 August 19891998: 26 July 1998 to 15 September 19982000: 21 July 2000 to 14 September 20002001: 4 July 2001 to 16 August 20012003: 29 June 2003 to 4 September 20032004: 14 July 2004 to 15 August 20042005: 21 July 2005 to 21 August 20052006: 27 June 2006 to 4 September 20062007: 5 July 2007 to 15 August 20072008: 29 June 2008 to 18 August 20082009: 22 July 2009 to 23 September 20092010: 25 July 2010 to 25 August 20102011: 21 August 2011 to 24 September 20112012: 8 July 2012 to 19 August 20122013: 1 July 2013 to 1 September 20132016: 7 June 2016 to 29 July 20162017: 5 July 2017 to 6 September 20172018: 13 July 2018 to 16 August 20182019: 6 August 2019 to 7 August 20192020: 21 July 2020 to 5 September 20202021: 2 June 2021 to 15 August 20212022: 20 July 2022 to 2 September 20222023: 9 July 2023 to 28 August 20232024: 7 July 2024 to 7 September 20242025: 9 June 2025 to 4 September 20252026: 16 July 2026 to 25 August 20261989200320072011201720212025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Alder Ridge Washington meeting 30 C (86 F).
First to last qualifying date each year at Alder Ridge Washington
YearFirst dateLast date
19891989-08-071989-08-07
19981998-07-261998-09-15
20002000-07-212000-09-14
20012001-07-042001-08-16
20032003-06-292003-09-04
20042004-07-142004-08-15
20052005-07-212005-08-21
20062006-06-272006-09-04
20072007-07-052007-08-15
20082008-06-292008-08-18
20092009-07-222009-09-23
20102010-07-252010-08-25
20112011-08-212011-09-24
20122012-07-082012-08-19
20132013-07-012013-09-01
20162016-06-072016-07-29
20172017-07-052017-09-06
20182018-07-132018-08-16
20192019-08-062019-08-07
20202020-07-212020-09-05
20212021-06-022021-08-15
20222022-07-202022-09-02
20232023-07-092023-08-28
20242024-07-072024-09-07
20252025-06-092025-09-04
20262026-07-162026-08-25

Every Fixed Threshold

Fixed thresholds at Alder Ridge Washington
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2624202110
35 C (95 F): Days7320212
90 F (32.2 C): Days22920242
0 C (32 F): Ice days (max274620199
0 C (32 F): Frost days (min27160200861
-10 C (14 F): Days with min261520173
-20 C (-4 F): Days with min6319982
20 C (68 F): Tropical nights (min272420217
25 C (77 F): Days with min4220211

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 Alder Ridge Washington 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).