Built 2026-10-19 (19 October 2026)

Tanga Threshold Days by Year (SWE00137702)

3 fixed thresholds counted per year at Tanga (SWE00137702): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tanga Thresholds

  • Tanga: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 1980 with 26.
  • Tanga: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 2007 with 6.
  • Tanga: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1980 with 1.
  • 3 fixed thresholds have at least one qualifying day at Tanga.
49 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Tanga Days per year at Tanga with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1980. 01020301974: 121975: 101976: 51977: 151978: 161979: 151980: 261981: 161982: 191983: 121984: 111985: 191987: 201988: 191989: 111990: 131991: 171992: 201993: 131994: 131995: 131996: 111997: 121998: 211999: 142000: 112001: 162002: 252003: 152004: 222005: 142006: 152007: 222008: 122009: 172010: 152011: 222012: 172013: 132014: 192015: 212016: 132017: 202018: 102019: 162020: 112021: 232022: 122023: 261974197919841990199520002005201020152020
Days per year at Tanga with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1980.
Days with 10 mm (0.39 in) or more of precipitation per year at Tanga
YearDaysDecade average
19741212.2
19751012.2
1976512.2
19771512.2
19781612.2
19791512.2
19802617
19811617
19821917
19831217
19841117
19851917
19872017
19881917
19891117
19901314.7
19911714.7
19922014.7
19931314.7
19941314.7
19951314.7
19961114.7
19971214.7
19982114.7
19991414.7
20001116.9
20011616.9
20022516.9
20031516.9
20042216.9
20051416.9
20061516.9
20072216.9
20081216.9
20091716.9
20101516.6
20112216.6
20121716.6
20131316.6
20141916.6
20152116.6
20161316.6
20172016.6
20181016.6
20191616.6
20201118
20212318
20221218
20232618
First to last qualifying date each year at Tanga For each year, a bar from the first to the last day at Tanga meeting 10 mm (0.39 in). 1974: 15 January 1974 to 16 December 19741975: 11 January 1975 to 19 November 19751976: 17 July 1976 to 1 December 19761977: 17 March 1977 to 24 December 19771978: 11 January 1978 to 12 December 19781979: 9 March 1979 to 9 December 19791980: 23 April 1980 to 24 December 19801981: 3 February 1981 to 6 December 19811982: 25 January 1982 to 19 December 19821983: 3 April 1983 to 19 December 19831984: 11 January 1984 to 20 December 19841985: 29 January 1985 to 16 December 19851987: 20 April 1987 to 18 December 19871988: 1 January 1988 to 24 December 19881989: 9 June 1989 to 6 November 19891990: 26 April 1990 to 26 November 19901991: 2 May 1991 to 23 December 19911992: 18 January 1992 to 11 December 19921993: 20 February 1993 to 13 November 19931994: 18 January 1994 to 26 December 19941995: 22 January 1995 to 31 October 19951996: 4 May 1996 to 7 November 19961997: 4 February 1997 to 13 December 19971998: 4 February 1998 to 16 October 19981999: 6 March 1999 to 23 December 19992000: 12 April 2000 to 12 September 20002001: 11 February 2001 to 29 October 20012002: 26 January 2002 to 27 December 20022003: 27 January 2003 to 13 December 20032004: 31 January 2004 to 24 December 20042005: 3 January 2005 to 25 October 20052006: 6 February 2006 to 30 December 20062007: 11 January 2007 to 29 October 20072008: 12 June 2008 to 2 December 20082009: 11 June 2009 to 25 December 20092010: 19 February 2010 to 22 October 20102011: 15 January 2011 to 6 October 20112012: 1 January 2012 to 25 November 20122013: 18 February 2013 to 21 October 20132014: 9 January 2014 to 21 December 20142015: 9 January 2015 to 27 December 20152016: 9 February 2016 to 9 December 20162017: 20 February 2017 to 24 December 20172018: 12 March 2018 to 22 October 20182019: 20 February 2019 to 19 October 20192020: 16 February 2020 to 30 December 20202021: 11 January 2021 to 13 December 20212022: 2 January 2022 to 31 December 20222023: 4 January 2023 to 28 December 20231974198119891996200320102017JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tanga meeting 10 mm (0.39 in).
First to last qualifying date each year at Tanga
YearFirst dateLast date
19741974-01-151974-12-16
19751975-01-111975-11-19
19761976-07-171976-12-01
19771977-03-171977-12-24
19781978-01-111978-12-12
19791979-03-091979-12-09
19801980-04-231980-12-24
19811981-02-031981-12-06
19821982-01-251982-12-19
19831983-04-031983-12-19
19841984-01-111984-12-20
19851985-01-291985-12-16
19871987-04-201987-12-18
19881988-01-011988-12-24
19891989-06-091989-11-06
19901990-04-261990-11-26
19911991-05-021991-12-23
19921992-01-181992-12-11
19931993-02-201993-11-13
19941994-01-181994-12-26
19951995-01-221995-10-31
19961996-05-041996-11-07
19971997-02-041997-12-13
19981998-02-041998-10-16
19991999-03-061999-12-23
20002000-04-122000-09-12
20012001-02-112001-10-29
20022002-01-262002-12-27
20032003-01-272003-12-13
20042004-01-312004-12-24
20052005-01-032005-10-25
20062006-02-062006-12-30
20072007-01-112007-10-29
20082008-06-122008-12-02
20092009-06-112009-12-25
20102010-02-192010-10-22
20112011-01-152011-10-06
20122012-01-012012-11-25
20132013-02-182013-10-21
20142014-01-092014-12-21
20152015-01-092015-12-27
20162016-02-092016-12-09
20172017-02-202017-12-24
20182018-03-122018-10-22
20192019-02-202019-10-19
20202020-02-162020-12-30
20212021-01-112021-12-13
20222022-01-022022-12-31
20232023-01-042023-12-28

Every Fixed Threshold

Fixed thresholds at Tanga
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4926198026
25 mm (0.98 in): Days with 25 mm or more rain37620072
50 mm (1.97 in): Days with 50 mm or more rain7119801

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1974.

Download the Data

  • Data for Tanga 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 (2025-12-31).