Built 2026-10-19 (19 October 2026)

Flagler 1S Threshold Days by Year (USC00052932)

16 fixed thresholds counted per year at Flagler 1S (USC00052932): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Flagler 1S Thresholds

  • Flagler 1S: days with 10 mm (0.39 in) or more of precipitation in 74 years, most in 1923 with 24.
  • Flagler 1S: days with 25 mm (0.98 in) or more of precipitation in 73 years, most in 1965 with 7.
  • Flagler 1S: days with a maximum temperature at or above 30 C (86 F) in 61 years, most in 1964 with 86.
  • Flagler 1S: days with a maximum temperature at or above 90 F (32.2 C) in 61 years, most in 2012 with 63.
  • 16 fixed thresholds have at least one qualifying day at Flagler 1S.
61 years with a qualifying day
Days at or above 30 C (86 F) per year at Flagler 1S Days per year at Flagler 1S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 86 in 1964. 02550751001920: 291921: 451923: 181924: 441925: 601926: 501927: 321959: 741960: 721961: 571962: 691963: 851964: 861965: 451966: 781967: 491968: 651969: 661970: 821971: 671972: 601973: 621974: 621975: 691976: 671977: 511978: 801979: 661980: 781981: 611982: 511983: 791984: 701985: 511986: 741987: 571988: 671989: 531990: 541991: 521992: 271993: 181994: 271995: 581996: 551997: 661998: 651999: 422005: 812006: 702008: 572010: 722011: 772012: 862013: 702014: 642016: 752017: 562018: 692019: 742025: 27192019591966197319801987199420062016
Days per year at Flagler 1S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 86 in 1964.
Days at or above 30 C (86 F) per year at Flagler 1S
YearDaysDecade average
19202939.7
19214539.7
19231839.7
19244439.7
19256039.7
19265039.7
19273239.7
19597474
19607267.2
19615767.2
19626967.2
19638567.2
19648667.2
19654567.2
19667867.2
19674967.2
19686567.2
19696667.2
19708266.6
19716766.6
19726066.6
19736266.6
19746266.6
19756966.6
19766766.6
19775166.6
19788066.6
19796666.6
19807864.1
19816164.1
19825164.1
19837964.1
19847064.1
19855164.1
19867464.1
19875764.1
19886764.1
19895364.1
19905446.4
19915246.4
19922746.4
19931846.4
19942746.4
19955846.4
19965546.4
19976646.4
19986546.4
19994246.4
20058169.3
20067069.3
20085769.3
20107271.4
20117771.4
20128671.4
20137071.4
20146471.4
20167571.4
20175671.4
20186971.4
20197471.4
20252727
First to last qualifying date each year at Flagler 1S For each year, a bar from the first to the last day at Flagler 1S meeting 30 C (86 F). 1920: 25 May 1920 to 20 September 19201921: 28 May 1921 to 5 October 19211923: 13 June 1923 to 9 September 19231924: 11 June 1924 to 9 September 19241925: 19 May 1925 to 3 October 19251926: 23 May 1926 to 17 October 19261927: 20 May 1927 to 17 September 19271959: 1 May 1959 to 19 September 19591960: 3 June 1960 to 26 September 19601961: 11 May 1961 to 18 September 19611962: 20 April 1962 to 14 October 19621963: 7 May 1963 to 9 October 19631964: 15 May 1964 to 1 October 19641965: 22 April 1965 to 25 August 19651966: 6 May 1966 to 24 September 19661967: 23 May 1967 to 12 October 19671968: 30 May 1968 to 29 October 19681969: 25 May 1969 to 28 September 19691970: 17 May 1970 to 21 September 19701971: 10 June 1971 to 13 September 19711972: 17 May 1972 to 19 September 19721973: 7 June 1973 to 23 September 19731974: 15 May 1974 to 26 September 19741975: 3 June 1975 to 12 October 19751976: 9 June 1976 to 11 September 19761977: 1 July 1977 to 30 September 19771978: 14 May 1978 to 1 October 19781979: 29 May 1979 to 8 October 19791980: 3 June 1980 to 30 September 19801981: 26 April 1981 to 29 September 19811982: 28 June 1982 to 26 September 19821983: 17 June 1983 to 30 September 19831984: 30 May 1984 to 23 September 19841985: 7 June 1985 to 31 August 19851986: 3 May 1986 to 21 September 19861987: 5 June 1987 to 13 September 19871988: 16 May 1988 to 18 September 19881989: 21 April 1989 to 11 October 19891990: 4 June 1990 to 5 October 19901991: 13 June 1991 to 17 October 19911992: 30 April 1992 to 12 September 19921993: 12 June 1993 to 8 August 19931994: 13 June 1994 to 28 August 19941995: 12 June 1995 to 12 October 19951996: 25 April 1996 to 14 October 19961997: 17 May 1997 to 6 October 19971998: 14 May 1998 to 30 September 19981999: 3 June 1999 to 27 October 19992005: 17 May 2005 to 4 October 20052006: 12 April 2006 to 2 October 20062008: 6 May 2008 to 29 September 20082010: 22 May 2010 to 21 September 20102011: 8 May 2011 to 3 October 20112012: 1 April 2012 to 16 September 20122013: 13 May 2013 to 22 September 20132014: 3 May 2014 to 19 September 20142016: 6 June 2016 to 16 October 20162017: 9 June 2017 to 21 September 20172018: 24 May 2018 to 3 October 20182019: 15 May 2019 to 30 September 20192025: 1 July 2025 to 22 August 202519201960196819761984199220052016JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Flagler 1S meeting 30 C (86 F).
First to last qualifying date each year at Flagler 1S
YearFirst dateLast date
19201920-05-251920-09-20
19211921-05-281921-10-05
19231923-06-131923-09-09
19241924-06-111924-09-09
19251925-05-191925-10-03
19261926-05-231926-10-17
19271927-05-201927-09-17
19591959-05-011959-09-19
19601960-06-031960-09-26
19611961-05-111961-09-18
19621962-04-201962-10-14
19631963-05-071963-10-09
19641964-05-151964-10-01
19651965-04-221965-08-25
19661966-05-061966-09-24
19671967-05-231967-10-12
19681968-05-301968-10-29
19691969-05-251969-09-28
19701970-05-171970-09-21
19711971-06-101971-09-13
19721972-05-171972-09-19
19731973-06-071973-09-23
19741974-05-151974-09-26
19751975-06-031975-10-12
19761976-06-091976-09-11
19771977-07-011977-09-30
19781978-05-141978-10-01
19791979-05-291979-10-08
19801980-06-031980-09-30
19811981-04-261981-09-29
19821982-06-281982-09-26
19831983-06-171983-09-30
19841984-05-301984-09-23
19851985-06-071985-08-31
19861986-05-031986-09-21
19871987-06-051987-09-13
19881988-05-161988-09-18
19891989-04-211989-10-11
19901990-06-041990-10-05
19911991-06-131991-10-17
19921992-04-301992-09-12
19931993-06-121993-08-08
19941994-06-131994-08-28
19951995-06-121995-10-12
19961996-04-251996-10-14
19971997-05-171997-10-06
19981998-05-141998-09-30
19991999-06-031999-10-27
20052005-05-172005-10-04
20062006-04-122006-10-02
20082008-05-062008-09-29
20102010-05-222010-09-21
20112011-05-082011-10-03
20122012-04-012012-09-16
20132013-05-132013-09-22
20142014-05-032014-09-19
20162016-06-062016-10-16
20172017-06-092017-09-21
20182018-05-242018-10-03
20192019-05-152019-09-30
20252025-07-012025-08-22

Every Fixed Threshold

Fixed thresholds at Flagler 1S
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days6186196427
35 C (95 F): Days594020128
40 C (104 F): Days2420124
90 F (32.2 C): Days6163201219
100 F (37.8 C): Days351220122
0 C (32 F): Ice days (max6043199320
0 C (32 F): Frost days (min562061993160
-10 C (14 F): Days with min5672199332
-20 C (-4 F): Days with min541619243
-30 C (-22 F): Days with min10219902
20 C (68 F): Tropical nights (min12420124
10 mm (0.39 in): Days with 10 mm or more rain742419234
25 mm (0.98 in): Days with 25 mm or more rain73719651
50 mm (1.97 in): Days with 50 mm or more rain25219651
10 cm (3.9 in): Days with 10 cm or more snowfall581119846
25 cm (9.8 in): Days with 25 cm or more snowfall14319721

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1920.

Download the Data

  • Data for Flagler 1S 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).