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Built 2026-10-18 (18 October 2026)

Longwood Threshold Days by Year

3 fixed thresholds counted per year at Longwood (ASN00082083): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Longwood Thresholds

  • Longwood: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1973 with 36.
  • Longwood: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1973 with 13.
  • Longwood: days with 50 mm (1.97 in) or more of precipitation in 22 years, most in 1973 with 4.
  • 3 fixed thresholds have at least one qualifying day at Longwood.
57 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Longwood Days per year at Longwood with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1973. 0102030401913: 151914: 91915: 191916: 241917: 331918: 191919: 111920: 211921: 241922: 171923: 151973: 361975: 301976: 221977: 151978: 201979: 171980: 161981: 281982: 81983: 261984: 171988: 271989: 271991: 191992: 301993: 291994: 111995: 281996: 301997: 131998: 161999: 162000: 212001: 162002: 92003: 182004: 142005: 182006: 92007: 182008: 152009: 122010: 332011: 252012: 172013: 122015: 112016: 282018: 122019: 102020: 202021: 192022: 292023: 152024: 152026: 201913191919751981199119972003200920162023
Days per year at Longwood with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1973.
Days with 10 mm (0.39 in) or more of precipitation per year at Longwood
YearDaysDecade average
19131518.6
1914918.6
19151918.6
19162418.6
19173318.6
19181918.6
19191118.6
19202119.3
19212419.3
19221719.3
19231519.3
19733623.3
19753023.3
19762223.3
19771523.3
19782023.3
19791723.3
19801621.3
19812821.3
1982821.3
19832621.3
19841721.3
19882721.3
19892721.3
19911921.3
19923021.3
19932921.3
19941121.3
19952821.3
19963021.3
19971321.3
19981621.3
19991621.3
20002115
20011615
2002915
20031815
20041415
20051815
2006915
20071815
20081515
20091215
20103318.5
20112518.5
20121718.5
20131218.5
20151118.5
20162818.5
20181218.5
20191018.5
20202019.7
20211919.7
20222919.7
20231519.7
20241519.7
20262019.7
First to last qualifying date each year at Longwood For each year, a bar from the first to the last day at Longwood meeting 10 mm (0.39 in). 1913: 3 January 1913 to 31 December 19131914: 26 January 1914 to 26 December 19141915: 10 April 1915 to 23 October 19151916: 29 January 1916 to 12 December 19161917: 20 February 1917 to 4 December 19171918: 13 January 1918 to 30 October 19181919: 18 February 1919 to 25 December 19191920: 11 May 1920 to 17 December 19201921: 2 January 1921 to 23 December 19211922: 12 January 1922 to 25 October 19221923: 8 May 1923 to 26 December 19231973: 13 January 1973 to 31 December 19731975: 12 February 1975 to 29 December 19751976: 15 January 1976 to 24 December 19761977: 1 January 1977 to 13 September 19771978: 6 January 1978 to 26 December 19781979: 17 January 1979 to 24 November 19791980: 3 January 1980 to 14 December 19801981: 10 January 1981 to 29 November 19811982: 25 January 1982 to 8 December 19821983: 2 January 1983 to 7 December 19831984: 1 January 1984 to 4 October 19841988: 1 January 1988 to 9 December 19881989: 5 January 1989 to 26 December 19891991: 6 January 1991 to 31 December 19911992: 1 January 1992 to 25 December 19921993: 17 January 1993 to 27 December 19931994: 11 February 1994 to 30 November 19941995: 6 January 1995 to 19 November 19951996: 1 January 1996 to 26 December 19961997: 10 February 1997 to 1 November 19971998: 10 January 1998 to 28 November 19981999: 2 March 1999 to 27 December 19992000: 22 February 2000 to 22 December 20002001: 25 January 2001 to 24 November 20012002: 16 February 2002 to 27 November 20022003: 1 January 2003 to 22 December 20032004: 19 May 2004 to 11 December 20042005: 3 February 2005 to 7 December 20052006: 21 January 2006 to 7 September 20062007: 21 January 2007 to 22 December 20072008: 12 January 2008 to 19 December 20082009: 22 January 2009 to 27 November 20092010: 1 January 2010 to 9 December 20102011: 13 January 2011 to 25 December 20112012: 30 January 2012 to 15 December 20122013: 22 March 2013 to 5 December 20132015: 10 January 2015 to 26 December 20152016: 4 January 2016 to 30 December 20162018: 27 January 2018 to 14 December 20182019: 2 May 2019 to 3 November 20192020: 21 January 2020 to 22 December 20202021: 1 January 2021 to 3 December 20212022: 8 January 2022 to 12 December 20222023: 23 January 2023 to 27 December 20232024: 3 January 2024 to 3 December 20242026: 9 February 2026 to 5 September 202619131921197919911999200720162026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Longwood meeting 10 mm (0.39 in).
First to last qualifying date each year at Longwood
YearFirst dateLast date
19131913-01-031913-12-31
19141914-01-261914-12-26
19151915-04-101915-10-23
19161916-01-291916-12-12
19171917-02-201917-12-04
19181918-01-131918-10-30
19191919-02-181919-12-25
19201920-05-111920-12-17
19211921-01-021921-12-23
19221922-01-121922-10-25
19231923-05-081923-12-26
19731973-01-131973-12-31
19751975-02-121975-12-29
19761976-01-151976-12-24
19771977-01-011977-09-13
19781978-01-061978-12-26
19791979-01-171979-11-24
19801980-01-031980-12-14
19811981-01-101981-11-29
19821982-01-251982-12-08
19831983-01-021983-12-07
19841984-01-011984-10-04
19881988-01-011988-12-09
19891989-01-051989-12-26
19911991-01-061991-12-31
19921992-01-011992-12-25
19931993-01-171993-12-27
19941994-02-111994-11-30
19951995-01-061995-11-19
19961996-01-011996-12-26
19971997-02-101997-11-01
19981998-01-101998-11-28
19991999-03-021999-12-27
20002000-02-222000-12-22
20012001-01-252001-11-24
20022002-02-162002-11-27
20032003-01-012003-12-22
20042004-05-192004-12-11
20052005-02-032005-12-07
20062006-01-212006-09-07
20072007-01-212007-12-22
20082008-01-122008-12-19
20092009-01-222009-11-27
20102010-01-012010-12-09
20112011-01-132011-12-25
20122012-01-302012-12-15
20132013-03-222013-12-05
20152015-01-102015-12-26
20162016-01-042016-12-30
20182018-01-272018-12-14
20192019-05-022019-11-03
20202020-01-212020-12-22
20212021-01-012021-12-03
20222022-01-082022-12-12
20232023-01-232023-12-27
20242024-01-032024-12-03
20262026-02-092026-09-05

Every Fixed Threshold

Fixed thresholds at Longwood
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5736197320
25 mm (0.98 in): Days with 25 mm or more rain571319733
50 mm (1.97 in): Days with 50 mm or more rain22419731

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1913.

Download the Data

  • Data for Longwood 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).