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Built 2026-10-19 (19 October 2026)

Archbold Bio STN Threshold Days by Year (USC00080236)

12 fixed thresholds counted per year at Archbold Bio STN (USC00080236): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Archbold Bio STN Thresholds

  • Archbold Bio STN: days with a maximum temperature at or above 30 C (86 F) in 58 years, most in 2015 with 259.
  • Archbold Bio STN: days with a maximum temperature at or above 35 C (95 F) in 58 years, most in 2017 with 72.
  • Archbold Bio STN: days with a maximum temperature at or above 90 F (32.2 C) in 58 years, most in 2015 with 172.
  • Archbold Bio STN: nights with a minimum temperature at or below 0 C (32 F) in 58 years, most in 2010 with 34.
  • 12 fixed thresholds have at least one qualifying day at Archbold Bio STN.
58 years with a qualifying day
Days at or above 30 C (86 F) per year at Archbold Bio STN Days per year at Archbold Bio STN with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 259 in 2015. 01002003001969: 1781970: 1941971: 1971972: 2151973: 2061974: 2081975: 2381976: 2001977: 1991978: 2071979: 1931980: 2111981: 2041982: 2011983: 1791984: 1851985: 2261986: 2131987: 1781988: 1871989: 2241990: 2301991: 2071992: 1811993: 1921994: 2191995: 1981996: 1981997: 2151998: 2001999: 1912000: 1962001: 2042002: 2222003: 2062004: 1742005: 1662006: 1952007: 1992008: 1922009: 2202010: 1892011: 2102012: 2082013: 2072014: 2022015: 2592016: 2222017: 2242018: 2302019: 2312020: 2262021: 2212022: 2372023: 2522024: 2072025: 2052026: 1651969197519811987199319992005201120172023
Days per year at Archbold Bio STN with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 259 in 2015.
Days at or above 30 C (86 F) per year at Archbold Bio STN
YearDaysDecade average
1969178178
1970194205.7
1971197205.7
1972215205.7
1973206205.7
1974208205.7
1975238205.7
1976200205.7
1977199205.7
1978207205.7
1979193205.7
1980211200.8
1981204200.8
1982201200.8
1983179200.8
1984185200.8
1985226200.8
1986213200.8
1987178200.8
1988187200.8
1989224200.8
1990230203.1
1991207203.1
1992181203.1
1993192203.1
1994219203.1
1995198203.1
1996198203.1
1997215203.1
1998200203.1
1999191203.1
2000196197.4
2001204197.4
2002222197.4
2003206197.4
2004174197.4
2005166197.4
2006195197.4
2007199197.4
2008192197.4
2009220197.4
2010189218.2
2011210218.2
2012208218.2
2013207218.2
2014202218.2
2015259218.2
2016222218.2
2017224218.2
2018230218.2
2019231218.2
2020226216.1
2021221216.1
2022237216.1
2023252216.1
2024207216.1
2025205216.1
2026165216.1
First to last qualifying date each year at Archbold Bio STN For each year, a bar from the first to the last day at Archbold Bio STN meeting 30 C (86 F). 1969: 25 March 1969 to 24 October 19691970: 19 March 1970 to 15 November 19701971: 7 January 1971 to 16 December 19711972: 11 January 1972 to 10 December 19721973: 5 January 1973 to 30 December 19731974: 12 January 1974 to 21 November 19741975: 12 January 1975 to 29 November 19751976: 19 February 1976 to 13 December 19761977: 27 February 1977 to 2 December 19771978: 15 March 1978 to 10 December 19781979: 3 April 1979 to 12 November 19791980: 24 February 1980 to 18 November 19801981: 12 February 1981 to 29 December 19811982: 1 January 1982 to 6 December 19821983: 7 March 1983 to 6 December 19831984: 19 January 1984 to 20 November 19841985: 2 February 1985 to 1 December 19851986: 6 February 1986 to 13 December 19861987: 18 January 1987 to 11 November 19871988: 20 February 1988 to 29 December 19881989: 16 January 1989 to 27 November 19891990: 6 January 1990 to 25 December 19901991: 30 January 1991 to 4 December 19911992: 16 February 1992 to 27 November 19921993: 8 January 1993 to 20 November 19931994: 29 January 1994 to 8 December 19941995: 19 February 1995 to 12 November 19951996: 3 February 1996 to 2 December 19961997: 6 January 1997 to 12 December 19971998: 23 February 1998 to 22 November 19981999: 11 March 1999 to 23 December 19992000: 15 February 2000 to 17 December 20002001: 20 January 2001 to 26 October 20012002: 22 January 2002 to 6 December 20022003: 17 February 2003 to 13 November 20032004: 7 February 2004 to 5 November 20042005: 17 March 2005 to 21 November 20052006: 24 February 2006 to 2 December 20062007: 28 February 2007 to 28 November 20072008: 7 February 2008 to 16 November 20082009: 12 February 2009 to 15 December 20092010: 8 April 2010 to 18 November 20102011: 3 February 2011 to 22 November 20112012: 27 January 2012 to 11 December 20122013: 31 January 2013 to 24 December 20132014: 2 February 2014 to 25 December 20142015: 4 January 2015 to 31 December 20152016: 1 January 2016 to 29 December 20162017: 3 January 2017 to 9 December 20172018: 9 February 2018 to 31 December 20182019: 4 January 2019 to 18 December 20192020: 4 January 2020 to 17 November 20202021: 10 February 2021 to 13 December 20212022: 3 January 2022 to 1 December 20222023: 1 January 2023 to 4 December 20232024: 28 January 2024 to 14 November 20242025: 1 February 2025 to 27 November 20252026: 26 January 2026 to 14 September 202619691977198519932001200920172025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Archbold Bio STN meeting 30 C (86 F).
First to last qualifying date each year at Archbold Bio STN
YearFirst dateLast date
19691969-03-251969-10-24
19701970-03-191970-11-15
19711971-01-071971-12-16
19721972-01-111972-12-10
19731973-01-051973-12-30
19741974-01-121974-11-21
19751975-01-121975-11-29
19761976-02-191976-12-13
19771977-02-271977-12-02
19781978-03-151978-12-10
19791979-04-031979-11-12
19801980-02-241980-11-18
19811981-02-121981-12-29
19821982-01-011982-12-06
19831983-03-071983-12-06
19841984-01-191984-11-20
19851985-02-021985-12-01
19861986-02-061986-12-13
19871987-01-181987-11-11
19881988-02-201988-12-29
19891989-01-161989-11-27
19901990-01-061990-12-25
19911991-01-301991-12-04
19921992-02-161992-11-27
19931993-01-081993-11-20
19941994-01-291994-12-08
19951995-02-191995-11-12
19961996-02-031996-12-02
19971997-01-061997-12-12
19981998-02-231998-11-22
19991999-03-111999-12-23
20002000-02-152000-12-17
20012001-01-202001-10-26
20022002-01-222002-12-06
20032003-02-172003-11-13
20042004-02-072004-11-05
20052005-03-172005-11-21
20062006-02-242006-12-02
20072007-02-282007-11-28
20082008-02-072008-11-16
20092009-02-122009-12-15
20102010-04-082010-11-18
20112011-02-032011-11-22
20122012-01-272012-12-11
20132013-01-312013-12-24
20142014-02-022014-12-25
20152015-01-042015-12-31
20162016-01-012016-12-29
20172017-01-032017-12-09
20182018-02-092018-12-31
20192019-01-042019-12-18
20202020-01-042020-11-17
20212021-02-102021-12-13
20222022-01-032022-12-01
20232023-01-012023-12-04
20242024-01-282024-11-14
20252025-02-012025-11-27
20262026-01-262026-09-14

Every Fixed Threshold

Fixed thresholds at Archbold Bio STN
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days582592015165
35 C (95 F): Days5872201761
90 F (32.2 C): Days581722015125
100 F (37.8 C): Days11919694
0 C (32 F): Frost days (min5834201011
-10 C (14 F): Days with min2119821
20 C (68 F): Tropical nights (min581662020111
25 C (77 F): Days with min18620246
10 mm (0.39 in): Days with 10 mm or more rain5850196925
25 mm (0.98 in): Days with 25 mm or more rain582620029
50 mm (1.97 in): Days with 50 mm or more rain581220042
100 mm (3.94 in): Days with 100 mm or more rain20219821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.

Download the Data

  • Data for Archbold Bio STN 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).