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Built 2026-10-18 (18 October 2026)

Tamar Threshold Days by Year

4 fixed thresholds counted per year at Tamar (ASN00009633): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tamar Thresholds

  • Tamar: days with 10 mm (0.39 in) or more of precipitation in 63 years, most in 1978 with 31.
  • Tamar: days with 25 mm (0.98 in) or more of precipitation in 59 years, most in 2017 with 9.
  • Tamar: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 2021 with 3.
  • Tamar: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1961 with 1.
  • 4 fixed thresholds have at least one qualifying day at Tamar.
63 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Tamar Days per year at Tamar with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1978. 0102030401947: 241958: 221960: 241961: 261964: 171969: 191970: 211971: 231972: 111973: 211974: 201975: 241976: 281977: 221978: 311979: 301980: 171981: 211982: 151983: 161984: 141985: 241986: 191987: 181988: 191989: 211990: 261991: 201992: 251993: 161994: 141995: 131996: 191997: 161998: 181999: 192000: 152001: 202002: 132003: 192004: 102005: 232006: 122007: 192008: 242009: 192010: 132011: 252012: 202013: 222014: 132015: 202016: 302017: 252018: 162019: 182020: 192021: 312022: 202023: 232024: 122025: 242026: 15194719711978198519921999200620132020
Days per year at Tamar with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1978.
Days with 10 mm (0.39 in) or more of precipitation per year at Tamar
YearDaysDecade average
19472424
19582222
19602421.5
19612621.5
19641721.5
19691921.5
19702123.1
19712323.1
19721123.1
19732123.1
19742023.1
19752423.1
19762823.1
19772223.1
19783123.1
19793023.1
19801718.4
19812118.4
19821518.4
19831618.4
19841418.4
19852418.4
19861918.4
19871818.4
19881918.4
19892118.4
19902618.6
19912018.6
19922518.6
19931618.6
19941418.6
19951318.6
19961918.6
19971618.6
19981818.6
19991918.6
20001517.4
20012017.4
20021317.4
20031917.4
20041017.4
20052317.4
20061217.4
20071917.4
20082417.4
20091917.4
20101320.2
20112520.2
20122020.2
20132220.2
20141320.2
20152020.2
20163020.2
20172520.2
20181620.2
20191820.2
20201920.6
20213120.6
20222020.6
20232320.6
20241220.6
20252420.6
20261520.6
First to last qualifying date each year at Tamar For each year, a bar from the first to the last day at Tamar meeting 10 mm (0.39 in). 1947: 7 April 1947 to 19 December 19471958: 13 February 1958 to 19 December 19581960: 1 January 1960 to 17 December 19601961: 26 January 1961 to 21 November 19611964: 30 January 1964 to 28 October 19641969: 13 March 1969 to 23 November 19691970: 7 February 1970 to 4 December 19701971: 31 January 1971 to 23 November 19711972: 6 May 1972 to 8 October 19721973: 24 April 1973 to 1 December 19731974: 10 February 1974 to 17 November 19741975: 2 April 1975 to 17 November 19751976: 7 January 1976 to 28 November 19761977: 27 April 1977 to 29 December 19771978: 2 January 1978 to 15 December 19781979: 20 April 1979 to 14 November 19791980: 11 February 1980 to 26 October 19801981: 11 April 1981 to 26 November 19811982: 21 January 1982 to 28 November 19821983: 30 March 1983 to 2 December 19831984: 22 April 1984 to 17 November 19841985: 18 January 1985 to 5 December 19851986: 22 February 1986 to 16 October 19861987: 17 March 1987 to 30 November 19871988: 13 January 1988 to 7 November 19881989: 25 January 1989 to 21 October 19891990: 29 January 1990 to 16 November 19901991: 8 May 1991 to 26 December 19911992: 7 February 1992 to 10 December 19921993: 1 May 1993 to 16 October 19931994: 12 May 1994 to 25 October 19941995: 13 May 1995 to 24 December 19951996: 28 March 1996 to 1 December 19961997: 20 February 1997 to 17 December 19971998: 11 March 1998 to 2 December 19981999: 29 January 1999 to 14 October 19992000: 15 January 2000 to 29 December 20002001: 25 March 2001 to 19 December 20012002: 17 April 2002 to 28 December 20022003: 17 February 2003 to 25 November 20032004: 17 February 2004 to 29 December 20042005: 14 February 2005 to 28 November 20052006: 7 February 2006 to 4 October 20062007: 27 March 2007 to 17 December 20072008: 1 April 2008 to 10 December 20082009: 2 March 2009 to 7 December 20092010: 2 April 2010 to 11 November 20102011: 6 January 2011 to 14 December 20112012: 30 April 2012 to 6 December 20122013: 7 January 2013 to 20 December 20132014: 19 May 2014 to 13 November 20142015: 27 February 2015 to 7 December 20152016: 19 January 2016 to 28 December 20162017: 10 February 2017 to 19 December 20172018: 17 January 2018 to 16 December 20182019: 7 March 2019 to 2 November 20192020: 15 March 2020 to 31 December 20202021: 20 January 2021 to 22 November 20212022: 20 March 2022 to 19 November 20222023: 5 April 2023 to 6 September 20232024: 2 May 2024 to 28 September 20242025: 19 February 2025 to 23 November 20252026: 28 March 2026 to 28 September 202619471972198019881996200420122020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tamar meeting 10 mm (0.39 in).
First to last qualifying date each year at Tamar
YearFirst dateLast date
19471947-04-071947-12-19
19581958-02-131958-12-19
19601960-01-011960-12-17
19611961-01-261961-11-21
19641964-01-301964-10-28
19691969-03-131969-11-23
19701970-02-071970-12-04
19711971-01-311971-11-23
19721972-05-061972-10-08
19731973-04-241973-12-01
19741974-02-101974-11-17
19751975-04-021975-11-17
19761976-01-071976-11-28
19771977-04-271977-12-29
19781978-01-021978-12-15
19791979-04-201979-11-14
19801980-02-111980-10-26
19811981-04-111981-11-26
19821982-01-211982-11-28
19831983-03-301983-12-02
19841984-04-221984-11-17
19851985-01-181985-12-05
19861986-02-221986-10-16
19871987-03-171987-11-30
19881988-01-131988-11-07
19891989-01-251989-10-21
19901990-01-291990-11-16
19911991-05-081991-12-26
19921992-02-071992-12-10
19931993-05-011993-10-16
19941994-05-121994-10-25
19951995-05-131995-12-24
19961996-03-281996-12-01
19971997-02-201997-12-17
19981998-03-111998-12-02
19991999-01-291999-10-14
20002000-01-152000-12-29
20012001-03-252001-12-19
20022002-04-172002-12-28
20032003-02-172003-11-25
20042004-02-172004-12-29
20052005-02-142005-11-28
20062006-02-072006-10-04
20072007-03-272007-12-17
20082008-04-012008-12-10
20092009-03-022009-12-07
20102010-04-022010-11-11
20112011-01-062011-12-14
20122012-04-302012-12-06
20132013-01-072013-12-20
20142014-05-192014-11-13
20152015-02-272015-12-07
20162016-01-192016-12-28
20172017-02-102017-12-19
20182018-01-172018-12-16
20192019-03-072019-11-02
20202020-03-152020-12-31
20212021-01-202021-11-22
20222022-03-202022-11-19
20232023-04-052023-09-06
20242024-05-022024-09-28
20252025-02-192025-11-23
20262026-03-282026-09-28

Every Fixed Threshold

Fixed thresholds at Tamar
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6331197815
25 mm (0.98 in): Days with 25 mm or more rain59920171
50 mm (1.97 in): Days with 50 mm or more rain27320211
100 mm (3.94 in): Days with 100 mm or more rain3119611

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1947.

Download the Data

  • Data for Tamar 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 (2026-10-12).