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Built 2026-10-19 (19 October 2026)

Corvallis Water Bureau Threshold Days by Year (USC00351877)

16 fixed thresholds counted per year at Corvallis Water Bureau (USC00351877): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Corvallis Water Bureau Thresholds

  • Corvallis Water Bureau: days with 10 mm (0.39 in) or more of precipitation in 85 years, most in 1950 with 87.
  • Corvallis Water Bureau: days with 25 mm (0.98 in) or more of precipitation in 85 years, most in 1937 with 38.
  • Corvallis Water Bureau: days with 50 mm (1.97 in) or more of precipitation in 82 years, most in 1937 with 14.
  • Corvallis Water Bureau: days with a maximum temperature at or above 30 C (86 F) in 60 years, most in 2023 with 66.
  • 16 fixed thresholds have at least one qualifying day at Corvallis Water Bureau.
60 years with a qualifying day
Days at or above 30 C (86 F) per year at Corvallis Water Bureau Days per year at Corvallis Water Bureau with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 66 in 2023. 0204060801964: 121965: 241966: 231967: 431968: 181969: 241970: 231971: 171972: 321973: 291974: 311975: 181976: 91977: 161978: 191979: 161980: 111981: 161982: 171983: 61984: 121985: 191986: 151987: 181988: 131989: 61990: 221991: 201992: 271993: 91994: 121995: 151996: 211997: 111998: 241999: 162000: 142001: 82002: 152003: 402004: 312005: 312006: 402007: 252008: 332009: 372010: 202011: 252012: 252013: 352014: 552015: 522016: 382017: 532021: 582022: 472023: 662024: 442025: 552026: 391964197019761982198819942000200620122021
Days per year at Corvallis Water Bureau with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 66 in 2023.
Days at or above 30 C (86 F) per year at Corvallis Water Bureau
YearDaysDecade average
19641224
19652424
19662324
19674324
19681824
19692424
19702321
19711721
19723221
19732921
19743121
19751821
1976921
19771621
19781921
19791621
19801113.3
19811613.3
19821713.3
1983613.3
19841213.3
19851913.3
19861513.3
19871813.3
19881313.3
1989613.3
19902217.7
19912017.7
19922717.7
1993917.7
19941217.7
19951517.7
19962117.7
19971117.7
19982417.7
19991617.7
20001427.4
2001827.4
20021527.4
20034027.4
20043127.4
20053127.4
20064027.4
20072527.4
20083327.4
20093727.4
20102037.9
20112537.9
20122537.9
20133537.9
20145537.9
20155237.9
20163837.9
20175337.9
20215851.5
20224751.5
20236651.5
20244451.5
20255551.5
20263951.5
First to last qualifying date each year at Corvallis Water Bureau For each year, a bar from the first to the last day at Corvallis Water Bureau meeting 30 C (86 F). 1964: 11 July 1964 to 25 September 19641965: 30 June 1965 to 23 September 19651966: 26 May 1966 to 21 September 19661967: 16 June 1967 to 27 September 19671968: 24 June 1968 to 6 September 19681969: 23 May 1969 to 12 September 19691970: 2 June 1970 to 2 October 19701971: 22 June 1971 to 20 September 19711972: 29 May 1972 to 16 September 19721973: 14 May 1973 to 11 September 19731974: 11 June 1974 to 1 October 19741975: 11 June 1975 to 1 October 19751976: 19 June 1976 to 11 September 19761977: 1 July 1977 to 18 August 19771978: 3 June 1978 to 10 August 19781979: 2 June 1979 to 15 September 19791980: 22 July 1980 to 8 October 19801981: 3 July 1981 to 16 September 19811982: 25 May 1982 to 3 September 19821983: 24 May 1983 to 14 August 19831984: 29 May 1984 to 10 August 19841985: 18 June 1985 to 27 August 19851986: 31 May 1986 to 7 September 19861987: 8 May 1987 to 6 September 19871988: 20 July 1988 to 3 September 19881989: 5 June 1989 to 24 September 19891990: 22 June 1990 to 7 September 19901991: 3 July 1991 to 26 September 19911992: 7 May 1992 to 30 August 19921993: 2 August 1993 to 11 September 19931994: 8 July 1994 to 23 September 19941995: 28 June 1995 to 2 September 19951996: 2 July 1996 to 30 August 19961997: 12 May 1997 to 25 September 19971998: 2 May 1998 to 16 September 19981999: 24 May 1999 to 23 September 19992000: 18 June 2000 to 30 August 20002001: 23 May 2001 to 10 September 20012002: 13 June 2002 to 24 September 20022003: 5 June 2003 to 28 September 20032004: 18 June 2004 to 1 September 20042005: 27 May 2005 to 9 September 20052006: 16 May 2006 to 28 September 20062007: 1 June 2007 to 12 September 20072008: 16 May 2008 to 17 September 20082009: 29 May 2009 to 24 September 20092010: 8 July 2010 to 28 September 20102011: 6 July 2011 to 24 September 20112012: 14 May 2012 to 29 September 20122013: 6 May 2013 to 12 September 20132014: 2 May 2014 to 8 October 20142015: 1 June 2015 to 13 September 20152016: 19 April 2016 to 27 September 20162017: 23 May 2017 to 29 September 20172021: 18 April 2021 to 25 September 20212022: 12 July 2022 to 16 October 20222023: 29 April 2023 to 7 October 20232024: 11 May 2024 to 25 September 20242025: 7 June 2025 to 25 September 20252026: 4 May 2026 to 1 September 202619641972198019881996200420122023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Corvallis Water Bureau meeting 30 C (86 F).
First to last qualifying date each year at Corvallis Water Bureau
YearFirst dateLast date
19641964-07-111964-09-25
19651965-06-301965-09-23
19661966-05-261966-09-21
19671967-06-161967-09-27
19681968-06-241968-09-06
19691969-05-231969-09-12
19701970-06-021970-10-02
19711971-06-221971-09-20
19721972-05-291972-09-16
19731973-05-141973-09-11
19741974-06-111974-10-01
19751975-06-111975-10-01
19761976-06-191976-09-11
19771977-07-011977-08-18
19781978-06-031978-08-10
19791979-06-021979-09-15
19801980-07-221980-10-08
19811981-07-031981-09-16
19821982-05-251982-09-03
19831983-05-241983-08-14
19841984-05-291984-08-10
19851985-06-181985-08-27
19861986-05-311986-09-07
19871987-05-081987-09-06
19881988-07-201988-09-03
19891989-06-051989-09-24
19901990-06-221990-09-07
19911991-07-031991-09-26
19921992-05-071992-08-30
19931993-08-021993-09-11
19941994-07-081994-09-23
19951995-06-281995-09-02
19961996-07-021996-08-30
19971997-05-121997-09-25
19981998-05-021998-09-16
19991999-05-241999-09-23
20002000-06-182000-08-30
20012001-05-232001-09-10
20022002-06-132002-09-24
20032003-06-052003-09-28
20042004-06-182004-09-01
20052005-05-272005-09-09
20062006-05-162006-09-28
20072007-06-012007-09-12
20082008-05-162008-09-17
20092009-05-292009-09-24
20102010-07-082010-09-28
20112011-07-062011-09-24
20122012-05-142012-09-29
20132013-05-062013-09-12
20142014-05-022014-10-08
20152015-06-012015-09-13
20162016-04-192016-09-27
20172017-05-232017-09-29
20212021-04-182021-09-25
20222022-07-122022-10-16
20232023-04-292023-10-07
20242024-05-112024-09-25
20252025-06-072025-09-25
20262026-05-042026-09-01

Every Fixed Threshold

Fixed thresholds at Corvallis Water Bureau
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days6066202339
35 C (95 F): Days491720156
40 C (104 F): Days9320171
90 F (32.2 C): Days6043202318
100 F (37.8 C): Days23620171
110 F (43.3 C): Days1120211
0 C (32 F): Ice days (max321219723
0 C (32 F): Frost days (min57155200989
-10 C (14 F): Days with min22919749
20 C (68 F): Tropical nights (min1120211
10 mm (0.39 in): Days with 10 mm or more rain8587195022
25 mm (0.98 in): Days with 25 mm or more rain853819376
50 mm (1.97 in): Days with 50 mm or more rain821419371
100 mm (3.94 in): Days with 100 mm or more rain22219371
10 cm (3.9 in): Days with 10 cm or more snowfall211119502
25 cm (9.8 in): Days with 25 cm or more snowfall3319502

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for Corvallis Water Bureau 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).