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Built 2026-10-19 (19 October 2026)

Jacksonville Cecil Fld NAS Threshold Days by Year (USW00093832)

14 fixed thresholds counted per year at Jacksonville Cecil Fld NAS (USW00093832): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jacksonville Cecil Fld NAS Thresholds

  • Jacksonville Cecil Fld NAS: days with a maximum temperature at or above 30 C (86 F) in 46 years, most in 1986 with 179.
  • Jacksonville Cecil Fld NAS: days with a maximum temperature at or above 35 C (95 F) in 46 years, most in 1986 with 72.
  • Jacksonville Cecil Fld NAS: days with a maximum temperature at or above 90 F (32.2 C) in 46 years, most in 1986 with 140.
  • Jacksonville Cecil Fld NAS: nights with a minimum temperature at or below 0 C (32 F) in 46 years, most in 1996 with 38.
  • 14 fixed thresholds have at least one qualifying day at Jacksonville Cecil Fld NAS.
46 years with a qualifying day
Days at or above 30 C (86 F) per year at Jacksonville Cecil Fld NAS Days per year at Jacksonville Cecil Fld NAS with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 179 in 1986. 0501001502001953: 1181954: 1361955: 1471956: 1301957: 1191958: 1251959: 1251960: 1241961: 1481962: 1571963: 1431964: 1231965: 1451966: 1281967: 1451968: 1551969: 1381970: 1601971: 1651972: 1411973: 1551974: 1441975: 1491976: 1341977: 1561978: 1661979: 1261980: 1451981: 1591982: 1501983: 1201984: 1541985: 1781986: 1791987: 1471988: 1421989: 1711990: 1741991: 1581992: 1441993: 1521994: 1551995: 1391996: 1331997: 1371998: 1531953195819631968197319781983198819931998
Days per year at Jacksonville Cecil Fld NAS with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 179 in 1986.
Days at or above 30 C (86 F) per year at Jacksonville Cecil Fld NAS
YearDaysDecade average
1953118128.6
1954136128.6
1955147128.6
1956130128.6
1957119128.6
1958125128.6
1959125128.6
1960124140.6
1961148140.6
1962157140.6
1963143140.6
1964123140.6
1965145140.6
1966128140.6
1967145140.6
1968155140.6
1969138140.6
1970160149.6
1971165149.6
1972141149.6
1973155149.6
1974144149.6
1975149149.6
1976134149.6
1977156149.6
1978166149.6
1979126149.6
1980145154.5
1981159154.5
1982150154.5
1983120154.5
1984154154.5
1985178154.5
1986179154.5
1987147154.5
1988142154.5
1989171154.5
1990174149.4
1991158149.4
1992144149.4
1993152149.4
1994155149.4
1995139149.4
1996133149.4
1997137149.4
1998153149.4
First to last qualifying date each year at Jacksonville Cecil Fld NAS For each year, a bar from the first to the last day at Jacksonville Cecil Fld NAS meeting 30 C (86 F). 1953: 21 February 1953 to 24 October 19531954: 13 March 1954 to 13 October 19541955: 12 March 1955 to 8 October 19551956: 7 March 1956 to 5 October 19561957: 3 February 1957 to 15 November 19571958: 23 April 1958 to 10 October 19581959: 1 May 1959 to 5 November 19591960: 8 April 1960 to 19 October 19601961: 4 March 1961 to 3 November 19611962: 23 February 1962 to 21 October 19621963: 11 March 1963 to 28 October 19631964: 3 March 1964 to 4 October 19641965: 17 March 1965 to 20 October 19651966: 3 April 1966 to 19 October 19661967: 10 March 1967 to 19 December 19671968: 19 March 1968 to 19 October 19681969: 3 April 1969 to 22 October 19691970: 19 March 1970 to 20 October 19701971: 26 February 1971 to 11 December 19711972: 11 January 1972 to 13 December 19721973: 4 March 1973 to 28 November 19731974: 10 March 1974 to 6 November 19741975: 30 January 1975 to 17 October 19751976: 2 March 1976 to 8 October 19761977: 16 March 1977 to 11 October 19771978: 2 April 1978 to 7 December 19781979: 21 March 1979 to 23 October 19791980: 20 March 1980 to 19 October 19801981: 4 April 1981 to 27 October 19811982: 13 March 1982 to 21 October 19821983: 6 April 1983 to 5 December 19831984: 18 March 1984 to 30 October 19841985: 31 January 1985 to 17 November 19851986: 11 March 1986 to 25 November 19861987: 25 March 1987 to 20 October 19871988: 5 April 1988 to 20 November 19881989: 6 February 1989 to 6 November 19891990: 3 February 1990 to 28 November 19901991: 20 February 1991 to 1 December 19911992: 3 March 1992 to 25 November 19921993: 30 March 1993 to 15 November 19931994: 24 March 1994 to 4 December 19941995: 23 March 1995 to 2 November 19951996: 14 April 1996 to 2 November 19961997: 21 February 1997 to 26 October 19971998: 8 March 1998 to 16 November 199819531959196519711977198319891995JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Jacksonville Cecil Fld NAS meeting 30 C (86 F).
First to last qualifying date each year at Jacksonville Cecil Fld NAS
YearFirst dateLast date
19531953-02-211953-10-24
19541954-03-131954-10-13
19551955-03-121955-10-08
19561956-03-071956-10-05
19571957-02-031957-11-15
19581958-04-231958-10-10
19591959-05-011959-11-05
19601960-04-081960-10-19
19611961-03-041961-11-03
19621962-02-231962-10-21
19631963-03-111963-10-28
19641964-03-031964-10-04
19651965-03-171965-10-20
19661966-04-031966-10-19
19671967-03-101967-12-19
19681968-03-191968-10-19
19691969-04-031969-10-22
19701970-03-191970-10-20
19711971-02-261971-12-11
19721972-01-111972-12-13
19731973-03-041973-11-28
19741974-03-101974-11-06
19751975-01-301975-10-17
19761976-03-021976-10-08
19771977-03-161977-10-11
19781978-04-021978-12-07
19791979-03-211979-10-23
19801980-03-201980-10-19
19811981-04-041981-10-27
19821982-03-131982-10-21
19831983-04-061983-12-05
19841984-03-181984-10-30
19851985-01-311985-11-17
19861986-03-111986-11-25
19871987-03-251987-10-20
19881988-04-051988-11-20
19891989-02-061989-11-06
19901990-02-031990-11-28
19911991-02-201991-12-01
19921992-03-031992-11-25
19931993-03-301993-11-15
19941994-03-241994-12-04
19951995-03-231995-11-02
19961996-04-141996-11-02
19971997-02-211997-10-26
19981998-03-081998-11-16

Every Fixed Threshold

Fixed thresholds at Jacksonville Cecil Fld NAS
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days461791986153
35 C (95 F): Days4672198651
40 C (104 F): Days1219852
90 F (32.2 C): Days46140198697
100 F (37.8 C): Days2819199819
0 C (32 F): Ice days (max2119831
0 C (32 F): Frost days (min4638199615
-10 C (14 F): Days with min3119621
20 C (68 F): Tropical nights (min461611959121
25 C (77 F): Days with min271419808
10 mm (0.39 in): Days with 10 mm or more rain4657195938
25 mm (0.98 in): Days with 25 mm or more rain4624196416
50 mm (1.97 in): Days with 50 mm or more rain451019644
100 mm (3.94 in): Days with 100 mm or more rain14319681

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.

Download the Data

  • Data for Jacksonville Cecil Fld NAS 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).