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Built 2026-10-16 (16 October 2026)

Boulder Creek Oregon Threshold Days by Year

9 fixed thresholds counted per year at Boulder Creek Oregon (USR0000OBOU): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Boulder Creek Oregon Thresholds

  • Boulder Creek Oregon: days with a maximum temperature at or above 30 C (86 F) in 32 years, most in 2009 with 35.
  • Boulder Creek Oregon: days with a maximum temperature at or below 0 C (32 F) in 32 years, most in 1996 with 21.
  • Boulder Creek Oregon: nights with a minimum temperature at or below 0 C (32 F) in 32 years, most in 2009 with 209.
  • Boulder Creek Oregon: days with a maximum temperature at or above 90 F (32.2 C) in 31 years, most in 2022 with 22.
  • 9 fixed thresholds have at least one qualifying day at Boulder Creek Oregon.
32 years with a qualifying day
Days at or above 30 C (86 F) per year at Boulder Creek Oregon Days per year at Boulder Creek Oregon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 35 in 2009. 0102030401986: 151993: 61996: 241997: 51998: 241999: 72000: 92001: 172002: 182003: 322004: 192005: 242006: 342007: 142009: 352010: 192011: 222012: 212013: 182014: 162015: 242016: 182017: 352018: 272019: 102020: 252021: 342022: 352023: 212024: 332025: 292026: 1719861998200220062011201520192023
Days per year at Boulder Creek Oregon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 35 in 2009.
Days at or above 30 C (86 F) per year at Boulder Creek Oregon
YearDaysDecade average
19861515
1993613.2
19962413.2
1997513.2
19982413.2
1999713.2
2000922.4
20011722.4
20021822.4
20033222.4
20041922.4
20052422.4
20063422.4
20071422.4
20093522.4
20101921
20112221
20122121
20131821
20141621
20152421
20161821
20173521
20182721
20191021
20202527.7
20213427.7
20223527.7
20232127.7
20243327.7
20252927.7
20261727.7
First to last qualifying date each year at Boulder Creek Oregon For each year, a bar from the first to the last day at Boulder Creek Oregon meeting 30 C (86 F). 1986: 29 May 1986 to 5 September 19861993: 6 September 1993 to 29 September 19931996: 2 June 1996 to 8 October 19961997: 11 May 1997 to 12 August 19971998: 16 July 1998 to 14 September 19981999: 11 July 1999 to 13 September 19992000: 27 June 2000 to 13 September 20002001: 21 May 2001 to 22 September 20012002: 13 June 2002 to 13 September 20022003: 5 June 2003 to 28 September 20032004: 21 June 2004 to 30 August 20042005: 27 May 2005 to 8 September 20052006: 15 May 2006 to 5 September 20062007: 4 July 2007 to 11 September 20072009: 28 May 2009 to 25 September 20092010: 7 July 2010 to 3 September 20102011: 5 July 2011 to 29 September 20112012: 13 May 2012 to 18 September 20122013: 30 June 2013 to 14 September 20132014: 1 July 2014 to 20 September 20142015: 7 June 2015 to 12 September 20152016: 4 June 2016 to 26 September 20162017: 28 May 2017 to 12 September 20172018: 24 June 2018 to 27 September 20182019: 11 June 2019 to 5 September 20192020: 28 May 2020 to 30 September 20202021: 1 June 2021 to 7 September 20212022: 26 June 2022 to 26 September 20222023: 6 June 2023 to 16 September 20232024: 7 June 2024 to 24 September 20242025: 30 May 2025 to 24 September 20252026: 15 June 2026 to 9 September 202619861998200220062011201520192023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Boulder Creek Oregon meeting 30 C (86 F).
First to last qualifying date each year at Boulder Creek Oregon
YearFirst dateLast date
19861986-05-291986-09-05
19931993-09-061993-09-29
19961996-06-021996-10-08
19971997-05-111997-08-12
19981998-07-161998-09-14
19991999-07-111999-09-13
20002000-06-272000-09-13
20012001-05-212001-09-22
20022002-06-132002-09-13
20032003-06-052003-09-28
20042004-06-212004-08-30
20052005-05-272005-09-08
20062006-05-152006-09-05
20072007-07-042007-09-11
20092009-05-282009-09-25
20102010-07-072010-09-03
20112011-07-052011-09-29
20122012-05-132012-09-18
20132013-06-302013-09-14
20142014-07-012014-09-20
20152015-06-072015-09-12
20162016-06-042016-09-26
20172017-05-282017-09-12
20182018-06-242018-09-27
20192019-06-112019-09-05
20202020-05-282020-09-30
20212021-06-012021-09-07
20222022-06-262022-09-26
20232023-06-062023-09-16
20242024-06-072024-09-24
20252025-05-302025-09-24
20262026-06-152026-09-09

Every Fixed Threshold

Fixed thresholds at Boulder Creek Oregon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3235200917
35 C (95 F): Days231120224
40 C (104 F): Days2120061
90 F (32.2 C): Days312220227
100 F (37.8 C): Days3320213
0 C (32 F): Ice days (max322119961
0 C (32 F): Frost days (min32209200989
-10 C (14 F): Days with min311920091
-20 C (-4 F): Days with min5320092

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1986.

Download the Data

  • Data for Boulder Creek Oregon 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).