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Built 2026-10-16 (16 October 2026)

Provolt Seed Orchard Oregon Threshold Days by Year

10 fixed thresholds counted per year at Provolt Seed Orchard Oregon (USR0000OPRO): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Provolt Seed Orchard Oregon Thresholds

  • Provolt Seed Orchard Oregon: days with a maximum temperature at or above 30 C (86 F) in 39 years, most in 2015 with 96.
  • Provolt Seed Orchard Oregon: days with a maximum temperature at or above 90 F (32.2 C) in 39 years, most in 2014 with 74.
  • Provolt Seed Orchard Oregon: nights with a minimum temperature at or below 0 C (32 F) in 39 years, most in 1990 with 165.
  • Provolt Seed Orchard Oregon: days with a maximum temperature at or above 35 C (95 F) in 37 years, most in 2014 with 42.
  • 10 fixed thresholds have at least one qualifying day at Provolt Seed Orchard Oregon.
39 years with a qualifying day
Days at or above 30 C (86 F) per year at Provolt Seed Orchard Oregon Days per year at Provolt Seed Orchard Oregon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 96 in 2015. 02550751001986: 401987: 401988: 371989: 121990: 411991: 681992: 721993: 351994: 721995: 611997: 561998: 711999: 812000: 792001: 872002: 752003: 852004: 852006: 762007: 672008: 802009: 832010: 582011: 722012: 822013: 832014: 932015: 962016: 802017: 912018: 832019: 732020: 932021: 872022: 912023: 932024: 872025: 922026: 951986199019941999200320082012201620202024
Days per year at Provolt Seed Orchard Oregon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 96 in 2015.
Days at or above 30 C (86 F) per year at Provolt Seed Orchard Oregon
YearDaysDecade average
19864032.3
19874032.3
19883732.3
19891232.3
19904161.9
19916861.9
19927261.9
19933561.9
19947261.9
19956161.9
19975661.9
19987161.9
19998161.9
20007979.7
20018779.7
20027579.7
20038579.7
20048579.7
20067679.7
20076779.7
20088079.7
20098379.7
20105881.1
20117281.1
20128281.1
20138381.1
20149381.1
20159681.1
20168081.1
20179181.1
20188381.1
20197381.1
20209391.1
20218791.1
20229191.1
20239391.1
20248791.1
20259291.1
20269591.1
First to last qualifying date each year at Provolt Seed Orchard Oregon For each year, a bar from the first to the last day at Provolt Seed Orchard Oregon meeting 30 C (86 F). 1986: 30 May 1986 to 6 September 19861987: 6 May 1987 to 5 October 19871988: 14 June 1988 to 1 October 19881989: 25 June 1989 to 24 September 19891990: 21 June 1990 to 30 September 19901991: 9 June 1991 to 5 October 19911992: 3 May 1992 to 29 September 19921993: 17 June 1993 to 3 October 19931994: 10 May 1994 to 27 September 19941995: 28 May 1995 to 23 September 19951997: 11 May 1997 to 29 September 19971998: 29 April 1998 to 30 September 19981999: 15 April 1999 to 11 October 19992000: 3 April 2000 to 7 October 20002001: 25 April 2001 to 4 October 20012002: 29 May 2002 to 26 September 20022003: 13 May 2003 to 26 October 20032004: 11 April 2004 to 14 October 20042006: 14 May 2006 to 29 September 20062007: 7 May 2007 to 27 September 20072008: 15 May 2008 to 30 September 20082009: 20 April 2009 to 27 September 20092010: 23 June 2010 to 1 October 20102011: 20 June 2011 to 30 September 20112012: 22 April 2012 to 1 October 20122013: 26 April 2013 to 19 September 20132014: 30 April 2014 to 8 October 20142015: 1 May 2015 to 16 October 20152016: 6 April 2016 to 28 September 20162017: 3 May 2017 to 28 September 20172018: 23 April 2018 to 28 September 20182019: 9 May 2019 to 14 September 20192020: 8 May 2020 to 5 October 20202021: 18 April 2021 to 25 September 20212022: 25 May 2022 to 15 October 20222023: 27 April 2023 to 6 October 20232024: 10 May 2024 to 7 October 20242025: 1 May 2025 to 27 September 20252026: 3 May 2026 to 8 October 202619861991199720022008201320182023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Provolt Seed Orchard Oregon meeting 30 C (86 F).
First to last qualifying date each year at Provolt Seed Orchard Oregon
YearFirst dateLast date
19861986-05-301986-09-06
19871987-05-061987-10-05
19881988-06-141988-10-01
19891989-06-251989-09-24
19901990-06-211990-09-30
19911991-06-091991-10-05
19921992-05-031992-09-29
19931993-06-171993-10-03
19941994-05-101994-09-27
19951995-05-281995-09-23
19971997-05-111997-09-29
19981998-04-291998-09-30
19991999-04-151999-10-11
20002000-04-032000-10-07
20012001-04-252001-10-04
20022002-05-292002-09-26
20032003-05-132003-10-26
20042004-04-112004-10-14
20062006-05-142006-09-29
20072007-05-072007-09-27
20082008-05-152008-09-30
20092009-04-202009-09-27
20102010-06-232010-10-01
20112011-06-202011-09-30
20122012-04-222012-10-01
20132013-04-262013-09-19
20142014-04-302014-10-08
20152015-05-012015-10-16
20162016-04-062016-09-28
20172017-05-032017-09-28
20182018-04-232018-09-28
20192019-05-092019-09-14
20202020-05-082020-10-05
20212021-04-182021-09-25
20222022-05-252022-10-15
20232023-04-272023-10-06
20242024-05-102024-10-07
20252025-05-012025-09-27
20262026-05-032026-10-08

Every Fixed Threshold

Fixed thresholds at Provolt Seed Orchard Oregon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3996201595
35 C (95 F): Days3742201432
40 C (104 F): Days27720153
90 F (32.2 C): Days3974201465
100 F (37.8 C): Days341820098
110 F (43.3 C): Days3120211
0 C (32 F): Ice days (max4419892
0 C (32 F): Frost days (min39165199051
-10 C (14 F): Days with min131019905
20 C (68 F): Tropical nights (min2119921

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 Provolt Seed Orchard 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).