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Built 2026-10-17 (17 October 2026)

Pollywog Oregon Threshold Days by Year

10 fixed thresholds counted per year at Pollywog Oregon (USR0000OPOL): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pollywog Oregon Thresholds

  • Pollywog Oregon: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 2017 with 37.
  • Pollywog Oregon: days with a maximum temperature at or above 90 F (32.2 C) in 35 years, most in 2021 with 20.
  • Pollywog Oregon: days with a maximum temperature at or below 0 C (32 F) in 35 years, most in 2019 with 39.
  • Pollywog Oregon: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 2009 with 172.
  • 10 fixed thresholds have at least one qualifying day at Pollywog Oregon.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at Pollywog Oregon Days per year at Pollywog Oregon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 37 in 2017. 0102030401987: 151988: 121989: 21990: 271991: 131994: 191996: 231997: 81998: 281999: 112000: 92001: 222002: 182003: 302004: 262005: 212006: 362007: 192008: 242009: 252010: 142011: 172012: 202013: 272014: 312017: 372018: 272019: 62020: 212021: 372022: 302023: 212024: 292025: 272026: 17198719911998200220062010201420202024
Days per year at Pollywog Oregon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 37 in 2017.
Days at or above 30 C (86 F) per year at Pollywog Oregon
YearDaysDecade average
1987159.7
1988129.7
198929.7
19902718.4
19911318.4
19941918.4
19962318.4
1997818.4
19982818.4
19991118.4
2000923
20012223
20021823
20033023
20042623
20052123
20063623
20071923
20082423
20092523
20101422.4
20111722.4
20122022.4
20132722.4
20143122.4
20173722.4
20182722.4
2019622.4
20202126
20213726
20223026
20232126
20242926
20252726
20261726
First to last qualifying date each year at Pollywog Oregon For each year, a bar from the first to the last day at Pollywog Oregon meeting 30 C (86 F). 1987: 26 June 1987 to 23 September 19871988: 20 July 1988 to 5 September 19881989: 6 August 1989 to 7 August 19891990: 9 July 1990 to 24 September 19901991: 2 July 1991 to 30 September 19911994: 8 July 1994 to 27 September 19941996: 8 July 1996 to 28 September 19961997: 20 July 1997 to 12 August 19971998: 16 July 1998 to 15 September 19981999: 10 July 1999 to 22 September 19992000: 28 June 2000 to 14 September 20002001: 22 May 2001 to 14 September 20012002: 25 June 2002 to 13 September 20022003: 7 June 2003 to 6 September 20032004: 22 June 2004 to 31 August 20042005: 18 July 2005 to 8 September 20052006: 16 May 2006 to 28 September 20062007: 2 June 2007 to 11 September 20072008: 17 May 2008 to 17 September 20082009: 30 May 2009 to 23 September 20092010: 8 July 2010 to 3 September 20102011: 5 July 2011 to 24 September 20112012: 7 July 2012 to 19 September 20122013: 10 May 2013 to 14 September 20132014: 1 July 2014 to 6 October 20142017: 19 June 2017 to 12 September 20172018: 24 June 2018 to 22 August 20182019: 12 June 2019 to 28 August 20192020: 23 June 2020 to 6 September 20202021: 1 June 2021 to 16 August 20212022: 27 June 2022 to 2 September 20222023: 5 July 2023 to 16 September 20232024: 5 July 2024 to 8 September 20242025: 8 June 2025 to 5 September 20252026: 15 June 2026 to 25 August 20261987199420002005201020172022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Pollywog Oregon meeting 30 C (86 F).
First to last qualifying date each year at Pollywog Oregon
YearFirst dateLast date
19871987-06-261987-09-23
19881988-07-201988-09-05
19891989-08-061989-08-07
19901990-07-091990-09-24
19911991-07-021991-09-30
19941994-07-081994-09-27
19961996-07-081996-09-28
19971997-07-201997-08-12
19981998-07-161998-09-15
19991999-07-101999-09-22
20002000-06-282000-09-14
20012001-05-222001-09-14
20022002-06-252002-09-13
20032003-06-072003-09-06
20042004-06-222004-08-31
20052005-07-182005-09-08
20062006-05-162006-09-28
20072007-06-022007-09-11
20082008-05-172008-09-17
20092009-05-302009-09-23
20102010-07-082010-09-03
20112011-07-052011-09-24
20122012-07-072012-09-19
20132013-05-102013-09-14
20142014-07-012014-10-06
20172017-06-192017-09-12
20182018-06-242018-08-22
20192019-06-122019-08-28
20202020-06-232020-09-06
20212021-06-012021-08-16
20222022-06-272022-09-02
20232023-07-052023-09-16
20242024-07-052024-09-08
20252025-06-082025-09-05
20262026-06-152026-08-25

Every Fixed Threshold

Fixed thresholds at Pollywog Oregon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3537201717
35 C (95 F): Days241020143
40 C (104 F): Days1120211
90 F (32.2 C): Days352020216
100 F (37.8 C): Days7420221
0 C (32 F): Ice days (max3539201911
0 C (32 F): Frost days (min35172200970
-10 C (14 F): Days with min321920171
-20 C (-4 F): Days with min4619902
20 C (68 F): Tropical nights (min251220211

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1987.

Download the Data

  • Data for Pollywog 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-16).