Built 2026-10-19 (19 October 2026)

Eugene-Mahlon Sweet Fld Threshold Days by Year (USW00024221)

17 fixed thresholds counted per year at Eugene-Mahlon Sweet Fld (USW00024221): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Eugene-Mahlon Sweet Fld Thresholds

  • Eugene-Mahlon Sweet Fld: days with a maximum temperature at or above 30 C (86 F) in 88 years, most in 2023 with 62.
  • Eugene-Mahlon Sweet Fld: nights with a minimum temperature at or below 0 C (32 F) in 88 years, most in 1985 with 110.
  • Eugene-Mahlon Sweet Fld: days with 10 mm (0.39 in) or more of precipitation in 88 years, most in 1996 with 69.
  • Eugene-Mahlon Sweet Fld: days with 25 mm (0.98 in) or more of precipitation in 88 years, most in 1996 with 22.
  • 17 fixed thresholds have at least one qualifying day at Eugene-Mahlon Sweet Fld.
88 years with a qualifying day
Days at or above 30 C (86 F) per year at Eugene-Mahlon Sweet Fld Days per year at Eugene-Mahlon Sweet Fld with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 62 in 2023. 0204060801939: 301940: 261941: 201942: 321943: 211944: 311945: 351946: 271947: 171948: 181949: 201950: 461951: 411952: 381953: 191954: 11955: 171956: 231957: 181958: 501959: 251960: 221961: 371962: 241963: 261964: 231965: 321966: 331967: 551968: 271969: 251970: 541971: 271972: 401973: 321974: 441975: 351976: 271977: 281978: 291979: 331980: 211981: 301982: 291983: 111984: 191985: 351986: 341987: 401988: 361989: 251990: 351991: 371992: 381993: 201994: 351995: 301996: 321997: 221998: 401999: 322000: 282001: 302002: 362003: 422004: 372005: 342006: 402007: 252008: 342009: 342010: 242011: 272012: 292013: 432014: 522015: 492016: 392017: 462018: 402019: 322020: 382021: 582022: 502023: 622024: 472025: 532026: 351939194819571966197519841993200220112020
Days per year at Eugene-Mahlon Sweet Fld with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 62 in 2023.
Days at or above 30 C (86 F) per year at Eugene-Mahlon Sweet Fld
YearDaysDecade average
19393030
19402624.7
19412024.7
19423224.7
19432124.7
19443124.7
19453524.7
19462724.7
19471724.7
19481824.7
19492024.7
19504627.8
19514127.8
19523827.8
19531927.8
1954127.8
19551727.8
19562327.8
19571827.8
19585027.8
19592527.8
19602230.4
19613730.4
19622430.4
19632630.4
19642330.4
19653230.4
19663330.4
19675530.4
19682730.4
19692530.4
19705434.9
19712734.9
19724034.9
19733234.9
19744434.9
19753534.9
19762734.9
19772834.9
19782934.9
19793334.9
19802128
19813028
19822928
19831128
19841928
19853528
19863428
19874028
19883628
19892528
19903532.1
19913732.1
19923832.1
19932032.1
19943532.1
19953032.1
19963232.1
19972232.1
19984032.1
19993232.1
20002834
20013034
20023634
20034234
20043734
20053434
20064034
20072534
20083434
20093434
20102438.1
20112738.1
20122938.1
20134338.1
20145238.1
20154938.1
20163938.1
20174638.1
20184038.1
20193238.1
20203849
20215849
20225049
20236249
20244749
20255349
20263549
First to last qualifying date each year at Eugene-Mahlon Sweet Fld For each year, a bar from the first to the last day at Eugene-Mahlon Sweet Fld meeting 30 C (86 F). 1939: 13 May 1939 to 25 September 19391940: 9 June 1940 to 19 October 19401941: 11 June 1941 to 19 August 19411942: 29 June 1942 to 24 September 19421943: 29 June 1943 to 24 September 19431944: 10 June 1944 to 24 September 19441945: 17 June 1945 to 14 September 19451946: 2 May 1946 to 9 September 19461947: 26 April 1947 to 24 September 19471948: 6 June 1948 to 12 September 19481949: 12 May 1949 to 26 September 19491950: 26 May 1950 to 22 September 19501951: 14 June 1951 to 20 September 19511952: 27 May 1952 to 6 October 19521953: 5 May 1953 to 10 September 19531954: 1 August 1954 to 1 August 19541955: 8 June 1955 to 6 September 19551956: 17 May 1956 to 6 September 19561957: 29 April 1957 to 23 September 19571958: 16 May 1958 to 2 October 19581959: 19 June 1959 to 2 September 19591960: 23 June 1960 to 29 September 19601961: 14 June 1961 to 12 September 19611962: 20 July 1962 to 17 September 19621963: 19 May 1963 to 27 September 19631964: 22 June 1964 to 4 October 19641965: 29 June 1965 to 24 September 19651966: 13 June 1966 to 21 September 19661967: 15 June 1967 to 27 September 19671968: 16 June 1968 to 5 September 19681969: 7 May 1969 to 11 September 19691970: 25 May 1970 to 2 October 19701971: 21 June 1971 to 19 September 19711972: 27 May 1972 to 15 September 19721973: 5 June 1973 to 12 September 19731974: 10 June 1974 to 25 September 19741975: 10 June 1975 to 30 September 19751976: 9 May 1976 to 7 October 19761977: 28 June 1977 to 12 September 19771978: 2 June 1978 to 29 August 19781979: 1 June 1979 to 9 October 19791980: 7 July 1980 to 5 October 19801981: 29 June 1981 to 15 September 19811982: 9 June 1982 to 6 September 19821983: 23 May 1983 to 17 August 19831984: 25 June 1984 to 17 September 19841985: 17 June 1985 to 25 September 19851986: 30 May 1986 to 6 September 19861987: 7 May 1987 to 6 October 19871988: 21 May 1988 to 1 October 19881989: 4 June 1989 to 23 September 19891990: 21 June 1990 to 22 September 19901991: 2 July 1991 to 15 October 19911992: 24 May 1992 to 10 September 19921993: 25 June 1993 to 1 October 19931994: 28 June 1994 to 27 September 19941995: 29 May 1995 to 22 September 19951996: 1 July 1996 to 10 September 19961997: 3 July 1997 to 24 September 19971998: 6 July 1998 to 15 September 19981999: 9 July 1999 to 22 September 19992000: 17 June 2000 to 13 September 20002001: 22 May 2001 to 1 October 20012002: 12 June 2002 to 23 September 20022003: 4 June 2003 to 27 September 20032004: 17 June 2004 to 31 August 20042005: 26 May 2005 to 8 September 20052006: 15 May 2006 to 27 September 20062007: 3 July 2007 to 11 September 20072008: 16 May 2008 to 16 September 20082009: 29 May 2009 to 23 September 20092010: 6 July 2010 to 27 September 20102011: 6 July 2011 to 23 September 20112012: 7 July 2012 to 28 September 20122013: 5 May 2013 to 11 September 20132014: 1 May 2014 to 6 October 20142015: 6 June 2015 to 20 September 20152016: 4 June 2016 to 26 September 20162017: 23 May 2017 to 27 September 20172018: 17 June 2018 to 28 September 20182019: 9 May 2019 to 5 September 20192020: 28 May 2020 to 7 September 20202021: 31 May 2021 to 14 September 20212022: 25 June 2022 to 15 October 20222023: 28 April 2023 to 6 October 20232024: 11 May 2024 to 24 September 20242025: 6 June 2025 to 24 September 20252026: 2 June 2026 to 10 September 202619391950196119721983199420052016JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Eugene-Mahlon Sweet Fld meeting 30 C (86 F).
First to last qualifying date each year at Eugene-Mahlon Sweet Fld
YearFirst dateLast date
19391939-05-131939-09-25
19401940-06-091940-10-19
19411941-06-111941-08-19
19421942-06-291942-09-24
19431943-06-291943-09-24
19441944-06-101944-09-24
19451945-06-171945-09-14
19461946-05-021946-09-09
19471947-04-261947-09-24
19481948-06-061948-09-12
19491949-05-121949-09-26
19501950-05-261950-09-22
19511951-06-141951-09-20
19521952-05-271952-10-06
19531953-05-051953-09-10
19541954-08-011954-08-01
19551955-06-081955-09-06
19561956-05-171956-09-06
19571957-04-291957-09-23
19581958-05-161958-10-02
19591959-06-191959-09-02
19601960-06-231960-09-29
19611961-06-141961-09-12
19621962-07-201962-09-17
19631963-05-191963-09-27
19641964-06-221964-10-04
19651965-06-291965-09-24
19661966-06-131966-09-21
19671967-06-151967-09-27
19681968-06-161968-09-05
19691969-05-071969-09-11
19701970-05-251970-10-02
19711971-06-211971-09-19
19721972-05-271972-09-15
19731973-06-051973-09-12
19741974-06-101974-09-25
19751975-06-101975-09-30
19761976-05-091976-10-07
19771977-06-281977-09-12
19781978-06-021978-08-29
19791979-06-011979-10-09
19801980-07-071980-10-05
19811981-06-291981-09-15
19821982-06-091982-09-06
19831983-05-231983-08-17
19841984-06-251984-09-17
19851985-06-171985-09-25
19861986-05-301986-09-06
19871987-05-071987-10-06
19881988-05-211988-10-01
19891989-06-041989-09-23
19901990-06-211990-09-22
19911991-07-021991-10-15
19921992-05-241992-09-10
19931993-06-251993-10-01
19941994-06-281994-09-27
19951995-05-291995-09-22
19961996-07-011996-09-10
19971997-07-031997-09-24
19981998-07-061998-09-15
19991999-07-091999-09-22
20002000-06-172000-09-13
20012001-05-222001-10-01
20022002-06-122002-09-23
20032003-06-042003-09-27
20042004-06-172004-08-31
20052005-05-262005-09-08
20062006-05-152006-09-27
20072007-07-032007-09-11
20082008-05-162008-09-16
20092009-05-292009-09-23
20102010-07-062010-09-27
20112011-07-062011-09-23
20122012-07-072012-09-28
20132013-05-052013-09-11
20142014-05-012014-10-06
20152015-06-062015-09-20
20162016-06-042016-09-26
20172017-05-232017-09-27
20182018-06-172018-09-28
20192019-05-092019-09-05
20202020-05-282020-09-07
20212021-05-312021-09-14
20222022-06-252022-10-15
20232023-04-282023-10-06
20242024-05-112024-09-24
20252025-06-062025-09-24
20262026-06-022026-09-10

Every Fixed Threshold

Fixed thresholds at Eugene-Mahlon Sweet Fld
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days8862202335
35 C (95 F): Days831719673
40 C (104 F): Days16320243
90 F (32.2 C): Days8742202117
100 F (37.8 C): Days45720152
110 F (43.3 C): Days1120211
0 C (32 F): Ice days (max581319933
0 C (32 F): Frost days (min88110198540
-10 C (14 F): Days with min27919492
-20 C (-4 F): Days with min3519722
20 C (68 F): Tropical nights (min1120061
10 mm (0.39 in): Days with 10 mm or more rain8869199617
25 mm (0.98 in): Days with 25 mm or more rain882219962
50 mm (1.97 in): Days with 50 mm or more rain62519551
100 mm (3.94 in): Days with 100 mm or more rain7119601
10 cm (3.9 in): Days with 10 cm or more snowfall15319501
25 cm (9.8 in): Days with 25 cm or more snowfall1319693

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

  • Data for Eugene-Mahlon Sweet Fld 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).