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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Bonita Threshold Days by Year

11 fixed thresholds counted per year at Bonita (USC00040968): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bonita Thresholds

  • Bonita: days with a maximum temperature at or above 30 C (86 F) in 51 years, most in 1918 with 48.
  • Bonita: days with a maximum temperature at or above 90 F (32.2 C) in 51 years, most in 1918 with 24.
  • Bonita: days with a maximum temperature at or above 35 C (95 F) in 48 years, most in 1939 with 11.
  • Bonita: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1941 with 20.
  • 11 fixed thresholds have at least one qualifying day at Bonita.
51 years with a qualifying day
Days at or above 30 C (86 F) per year at Bonita Days per year at Bonita with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 48 in 1918. 02040601916: 101917: 341918: 481919: 251920: 281921: 261922: 291923: 231924: 201925: 131926: 241927: 201928: 41929: 331930: 321931: 371932: 181933: 111934: 231935: 231936: 191937: 201938: 231939: 381940: 251941: 171942: 121943: 191944: 61945: 161946: 161947: 291948: 91949: 291950: 171951: 131952: 291953: 351954: 291955: 241957: 251958: 451959: 351960: 451961: 291962: 141963: 211964: 231965: 301966: 191967: 31191619221928193419401946195219591965
Days per year at Bonita with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 48 in 1918.
Days at or above 30 C (86 F) per year at Bonita
YearDaysDecade average
19161029.3
19173429.3
19184829.3
19192529.3
19202822
19212622
19222922
19232322
19242022
19251322
19262422
19272022
1928422
19293322
19303224.4
19313724.4
19321824.4
19331124.4
19342324.4
19352324.4
19361924.4
19372024.4
19382324.4
19393824.4
19402517.8
19411717.8
19421217.8
19431917.8
1944617.8
19451617.8
19461617.8
19472917.8
1948917.8
19492917.8
19501728
19511328
19522928
19533528
19542928
19552428
19572528
19584528
19593528
19604526.5
19612926.5
19621426.5
19632126.5
19642326.5
19653026.5
19661926.5
19673126.5
First to last qualifying date each year at Bonita For each year, a bar from the first to the last day at Bonita meeting 30 C (86 F). 1916: 9 March 1916 to 24 August 19161917: 4 April 1917 to 21 November 19171918: 8 April 1918 to 1 November 19181919: 15 April 1919 to 16 November 19191920: 17 January 1920 to 27 September 19201921: 24 February 1921 to 5 November 19211922: 19 April 1922 to 24 October 19221923: 9 January 1923 to 18 October 19231924: 13 February 1924 to 28 November 19241925: 1 March 1925 to 24 September 19251926: 26 February 1926 to 17 November 19261927: 22 April 1927 to 17 November 19271928: 5 May 1928 to 28 September 19281929: 1 May 1929 to 24 December 19291930: 17 February 1930 to 12 November 19301931: 15 March 1931 to 30 October 19311932: 27 March 1932 to 25 November 19321933: 25 July 1933 to 25 November 19331934: 8 March 1934 to 6 November 19341935: 14 July 1935 to 27 October 19351936: 16 July 1936 to 18 November 19361937: 24 April 1937 to 13 October 19371938: 8 April 1938 to 8 December 19381939: 6 April 1939 to 3 December 19391940: 14 March 1940 to 7 December 19401941: 7 May 1941 to 8 November 19411942: 20 May 1942 to 22 November 19421943: 12 February 1943 to 16 November 19431944: 4 May 1944 to 7 September 19441945: 17 August 1945 to 3 November 19451946: 11 April 1946 to 25 October 19461947: 12 March 1947 to 26 November 19471948: 14 April 1948 to 7 October 19481949: 10 April 1949 to 18 November 19491950: 29 March 1950 to 10 December 19501951: 24 January 1951 to 6 November 19511952: 27 March 1952 to 5 November 19521953: 3 January 1953 to 29 November 19531954: 3 February 1954 to 20 December 19541955: 1 April 1955 to 8 November 19551957: 27 March 1957 to 9 December 19571958: 11 April 1958 to 15 December 19581959: 11 March 1959 to 2 December 19591960: 18 March 1960 to 21 October 19601961: 16 January 1961 to 8 November 19611962: 6 April 1962 to 31 October 19621963: 3 February 1963 to 29 December 19631964: 1 January 1964 to 30 November 19641965: 17 January 1965 to 5 December 19651966: 14 April 1966 to 2 November 19661967: 28 February 1967 to 31 October 196719161923193019371944195119591966JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bonita meeting 30 C (86 F).
First to last qualifying date each year at Bonita
YearFirst dateLast date
19161916-03-091916-08-24
19171917-04-041917-11-21
19181918-04-081918-11-01
19191919-04-151919-11-16
19201920-01-171920-09-27
19211921-02-241921-11-05
19221922-04-191922-10-24
19231923-01-091923-10-18
19241924-02-131924-11-28
19251925-03-011925-09-24
19261926-02-261926-11-17
19271927-04-221927-11-17
19281928-05-051928-09-28
19291929-05-011929-12-24
19301930-02-171930-11-12
19311931-03-151931-10-30
19321932-03-271932-11-25
19331933-07-251933-11-25
19341934-03-081934-11-06
19351935-07-141935-10-27
19361936-07-161936-11-18
19371937-04-241937-10-13
19381938-04-081938-12-08
19391939-04-061939-12-03
19401940-03-141940-12-07
19411941-05-071941-11-08
19421942-05-201942-11-22
19431943-02-121943-11-16
19441944-05-041944-09-07
19451945-08-171945-11-03
19461946-04-111946-10-25
19471947-03-121947-11-26
19481948-04-141948-10-07
19491949-04-101949-11-18
19501950-03-291950-12-10
19511951-01-241951-11-06
19521952-03-271952-11-05
19531953-01-031953-11-29
19541954-02-031954-12-20
19551955-04-011955-11-08
19571957-03-271957-12-09
19581958-04-111958-12-15
19591959-03-111959-12-02
19601960-03-181960-10-21
19611961-01-161961-11-08
19621962-04-061962-10-31
19631963-02-031963-12-29
19641964-01-011964-11-30
19651965-01-171965-12-05
19661966-04-141966-11-02
19671967-02-281967-10-31

Every Fixed Threshold

Fixed thresholds at Bonita
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5148191831
35 C (95 F): Days481119398
40 C (104 F): Days10419391
90 F (32.2 C): Days5124191814
100 F (37.8 C): Days22519391
110 F (43.3 C): Days1119551
0 C (32 F): Frost days (min3424194919
20 C (68 F): Tropical nights (min141719592
10 mm (0.39 in): Days with 10 mm or more rain442019414
25 mm (0.98 in): Days with 25 mm or more rain38719271
50 mm (1.97 in): Days with 50 mm or more rain10119211

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1916.

Download the Data

  • Data for Bonita 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).