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Built 2026-10-19 (19 October 2026)

Brownsville Threshold Days by Year (USW00012919)

14 fixed thresholds counted per year at Brownsville (USW00012919): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Brownsville Thresholds

  • Brownsville: days with a maximum temperature at or above 30 C (86 F) in 101 years, most in 2025 with 245.
  • Brownsville: days with a maximum temperature at or above 90 F (32.2 C) in 101 years, most in 2025 with 194.
  • Brownsville: days with 10 mm (0.39 in) or more of precipitation in 101 years, most in 1958 with 32.
  • Brownsville: days with 25 mm (0.98 in) or more of precipitation in 101 years, most in 1958 with 15.
  • 14 fixed thresholds have at least one qualifying day at Brownsville.
101 years with a qualifying day
Days at or above 30 C (86 F) per year at Brownsville Days per year at Brownsville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 245 in 2025. 01002003001901: 1871902: 1941903: 1581904: 1921905: 1721906: 1511908: 1691909: 1751910: 1711911: 1591912: 1601913: 1211914: 1571915: 1781916: 1791917: 1871918: 2031919: 1951920: 1981921: 1881931: 1561932: 1211948: 1941949: 1731950: 1871951: 1671952: 1481953: 1941954: 1671955: 1881956: 1751957: 1621958: 1511959: 1641960: 1611961: 1661962: 1711963: 1831964: 1711965: 1631966: 1511967: 1511968: 1801969: 1851970: 1691971: 1791972: 1691973: 1581974: 1631975: 1851976: 1341977: 1811978: 1931979: 1601980: 1781981: 1971982: 2041983: 1911984: 1831985: 1911986: 1871987: 1591988: 1891989: 1981990: 1791991: 1911992: 1701993: 1671994: 1781995: 1821996: 1831997: 1471998: 1721999: 1872000: 2072001: 1892002: 1972003: 1772004: 1892005: 1972006: 2152007: 1902008: 1742009: 1862010: 1892011: 2172012: 2272013: 1932014: 1832015: 1882016: 1962017: 2322018: 2142019: 2032020: 2322021: 2142022: 2162023: 2082024: 2342025: 2452026: 2201901191319481959197019811992200320142025
Days per year at Brownsville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 245 in 2025.
Days at or above 30 C (86 F) per year at Brownsville
YearDaysDecade average
1901187174.8
1902194174.8
1903158174.8
1904192174.8
1905172174.8
1906151174.8
1908169174.8
1909175174.8
1910171171
1911159171
1912160171
1913121171
1914157171
1915178171
1916179171
1917187171
1918203171
1919195171
1920198193
1921188193
1931156138.5
1932121138.5
1948194183.5
1949173183.5
1950187170.3
1951167170.3
1952148170.3
1953194170.3
1954167170.3
1955188170.3
1956175170.3
1957162170.3
1958151170.3
1959164170.3
1960161168.2
1961166168.2
1962171168.2
1963183168.2
1964171168.2
1965163168.2
1966151168.2
1967151168.2
1968180168.2
1969185168.2
1970169169.1
1971179169.1
1972169169.1
1973158169.1
1974163169.1
1975185169.1
1976134169.1
1977181169.1
1978193169.1
1979160169.1
1980178187.7
1981197187.7
1982204187.7
1983191187.7
1984183187.7
1985191187.7
1986187187.7
1987159187.7
1988189187.7
1989198187.7
1990179175.6
1991191175.6
1992170175.6
1993167175.6
1994178175.6
1995182175.6
1996183175.6
1997147175.6
1998172175.6
1999187175.6
2000207192.1
2001189192.1
2002197192.1
2003177192.1
2004189192.1
2005197192.1
2006215192.1
2007190192.1
2008174192.1
2009186192.1
2010189204.2
2011217204.2
2012227204.2
2013193204.2
2014183204.2
2015188204.2
2016196204.2
2017232204.2
2018214204.2
2019203204.2
2020232224.1
2021214224.1
2022216224.1
2023208224.1
2024234224.1
2025245224.1
2026220224.1
First to last qualifying date each year at Brownsville For each year, a bar from the first to the last day at Brownsville meeting 30 C (86 F). 1901: 21 February 1901 to 18 November 19011902: 23 February 1902 to 24 November 19021903: 9 January 1903 to 25 November 19031904: 10 January 1904 to 2 December 19041905: 18 March 1905 to 24 October 19051906: 14 March 1906 to 18 November 19061908: 31 January 1908 to 11 November 19081909: 18 February 1909 to 5 November 19091910: 21 February 1910 to 27 November 19101911: 22 March 1911 to 17 November 19111912: 26 January 1912 to 21 October 19121913: 11 May 1913 to 17 October 19131914: 25 January 1914 to 23 October 19141915: 23 April 1915 to 21 November 19151916: 23 February 1916 to 8 November 19161917: 10 January 1917 to 5 December 19171918: 16 February 1918 to 16 November 19181919: 17 March 1919 to 9 December 19191920: 21 January 1920 to 10 November 19201921: 8 March 1921 to 31 December 19211931: 3 April 1931 to 24 November 19311932: 11 February 1932 to 31 October 19321948: 18 March 1948 to 27 November 19481949: 6 March 1949 to 29 November 19491950: 26 March 1950 to 20 November 19501951: 6 February 1951 to 5 December 19511952: 10 March 1952 to 17 October 19521953: 8 January 1953 to 5 December 19531954: 27 February 1954 to 27 October 19541955: 6 March 1955 to 23 November 19551956: 27 February 1956 to 2 November 19561957: 18 March 1957 to 5 November 19571958: 23 March 1958 to 24 October 19581959: 18 February 1959 to 5 November 19591960: 5 April 1960 to 9 November 19601961: 7 March 1961 to 9 December 19611962: 5 February 1962 to 27 November 19621963: 11 January 1963 to 22 November 19631964: 19 March 1964 to 25 December 19641965: 30 January 1965 to 25 November 19651966: 3 April 1966 to 12 November 19661967: 14 March 1967 to 14 October 19671968: 3 April 1968 to 27 December 19681969: 21 January 1969 to 13 November 19691970: 3 March 1970 to 29 December 19701971: 18 January 1971 to 1 November 19711972: 22 January 1972 to 12 November 19721973: 17 April 1973 to 27 November 19731974: 11 March 1974 to 14 October 19741975: 1 March 1975 to 9 November 19751976: 12 March 1976 to 24 October 19761977: 23 February 1977 to 5 December 19771978: 12 February 1978 to 3 December 19781979: 22 March 1979 to 9 November 19791980: 16 March 1980 to 27 October 19801981: 10 February 1981 to 30 November 19811982: 3 January 1982 to 23 November 19821983: 4 March 1983 to 11 December 19831984: 26 February 1984 to 16 November 19841985: 20 March 1985 to 31 December 19851986: 5 February 1986 to 23 November 19861987: 15 February 1987 to 5 November 19871988: 25 March 1988 to 26 November 19881989: 3 January 1989 to 27 November 19891990: 15 February 1990 to 27 November 19901991: 1 March 1991 to 9 December 19911992: 15 February 1992 to 11 November 19921993: 21 February 1993 to 19 November 19931994: 10 April 1994 to 9 December 19941995: 3 February 1995 to 10 November 19951996: 15 February 1996 to 7 December 19961997: 14 March 1997 to 1 November 19971998: 10 February 1998 to 30 November 19981999: 17 January 1999 to 20 November 19992000: 13 February 2000 to 16 November 20002001: 26 February 2001 to 27 November 20012002: 24 January 2002 to 10 November 20022003: 17 March 2003 to 18 November 20032004: 5 March 2004 to 29 November 20042005: 14 February 2005 to 15 November 20052006: 2 January 2006 to 29 November 20062007: 3 April 2007 to 20 December 20072008: 8 January 2008 to 11 November 20082009: 13 February 2009 to 29 October 20092010: 23 January 2010 to 31 December 20102011: 24 February 2011 to 26 November 20112012: 25 January 2012 to 25 December 20122013: 5 February 2013 to 22 November 20132014: 20 February 2014 to 23 November 20142015: 7 April 2015 to 23 December 20152016: 23 February 2016 to 29 November 20162017: 2 January 2017 to 22 December 20172018: 4 February 2018 to 13 December 20182019: 23 February 2019 to 16 December 20192020: 14 January 2020 to 23 December 20202021: 26 January 2021 to 31 December 20212022: 1 January 2022 to 29 November 20222023: 22 February 2023 to 8 November 20232024: 22 February 2024 to 30 December 20242025: 8 February 2025 to 28 December 20252026: 2 January 2026 to 14 October 202619011915195219651978199120042017JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Brownsville meeting 30 C (86 F).
First to last qualifying date each year at Brownsville
YearFirst dateLast date
19011901-02-211901-11-18
19021902-02-231902-11-24
19031903-01-091903-11-25
19041904-01-101904-12-02
19051905-03-181905-10-24
19061906-03-141906-11-18
19081908-01-311908-11-11
19091909-02-181909-11-05
19101910-02-211910-11-27
19111911-03-221911-11-17
19121912-01-261912-10-21
19131913-05-111913-10-17
19141914-01-251914-10-23
19151915-04-231915-11-21
19161916-02-231916-11-08
19171917-01-101917-12-05
19181918-02-161918-11-16
19191919-03-171919-12-09
19201920-01-211920-11-10
19211921-03-081921-12-31
19311931-04-031931-11-24
19321932-02-111932-10-31
19481948-03-181948-11-27
19491949-03-061949-11-29
19501950-03-261950-11-20
19511951-02-061951-12-05
19521952-03-101952-10-17
19531953-01-081953-12-05
19541954-02-271954-10-27
19551955-03-061955-11-23
19561956-02-271956-11-02
19571957-03-181957-11-05
19581958-03-231958-10-24
19591959-02-181959-11-05
19601960-04-051960-11-09
19611961-03-071961-12-09
19621962-02-051962-11-27
19631963-01-111963-11-22
19641964-03-191964-12-25
19651965-01-301965-11-25
19661966-04-031966-11-12
19671967-03-141967-10-14
19681968-04-031968-12-27
19691969-01-211969-11-13
19701970-03-031970-12-29
19711971-01-181971-11-01
19721972-01-221972-11-12
19731973-04-171973-11-27
19741974-03-111974-10-14
19751975-03-011975-11-09
19761976-03-121976-10-24
19771977-02-231977-12-05
19781978-02-121978-12-03
19791979-03-221979-11-09
19801980-03-161980-10-27
19811981-02-101981-11-30
19821982-01-031982-11-23
19831983-03-041983-12-11
19841984-02-261984-11-16
19851985-03-201985-12-31
19861986-02-051986-11-23
19871987-02-151987-11-05
19881988-03-251988-11-26
19891989-01-031989-11-27
19901990-02-151990-11-27
19911991-03-011991-12-09
19921992-02-151992-11-11
19931993-02-211993-11-19
19941994-04-101994-12-09
19951995-02-031995-11-10
19961996-02-151996-12-07
19971997-03-141997-11-01
19981998-02-101998-11-30
19991999-01-171999-11-20
20002000-02-132000-11-16
20012001-02-262001-11-27
20022002-01-242002-11-10
20032003-03-172003-11-18
20042004-03-052004-11-29
20052005-02-142005-11-15
20062006-01-022006-11-29
20072007-04-032007-12-20
20082008-01-082008-11-11
20092009-02-132009-10-29
20102010-01-232010-12-31
20112011-02-242011-11-26
20122012-01-252012-12-25
20132013-02-052013-11-22
20142014-02-202014-11-23
20152015-04-072015-12-23
20162016-02-232016-11-29
20172017-01-022017-12-22
20182018-02-042018-12-13
20192019-02-232019-12-16
20202020-01-142020-12-23
20212021-01-262021-12-31
20222022-01-012022-11-29
20232023-02-222023-11-08
20242024-02-222024-12-30
20252025-02-082025-12-28
20262026-01-022026-10-14

Every Fixed Threshold

Fixed thresholds at Brownsville
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1012452025220
35 C (95 F): Days1001162023101
40 C (104 F): Days12219151
90 F (32.2 C): Days1011942025170
100 F (37.8 C): Days5040202332
0 C (32 F): Ice days (max4219511
0 C (32 F): Frost days (min593119011
20 C (68 F): Tropical nights (min992332024210
25 C (77 F): Days with min991422024145
10 mm (0.39 in): Days with 10 mm or more rain10132195813
25 mm (0.98 in): Days with 25 mm or more rain1011519587
50 mm (1.97 in): Days with 50 mm or more rain95820151
100 mm (3.94 in): Days with 100 mm or more rain38319972
200 mm (7.87 in): Days with 200 mm or more rain5119671

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.

Download the Data

  • Data for Brownsville 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).