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Built 2026-10-19 (19 October 2026)

Mayport Pilot STN Threshold Days by Year (USW00003853)

14 fixed thresholds counted per year at Mayport Pilot STN (USW00003853): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mayport Pilot STN Thresholds

  • Mayport Pilot STN: days with a maximum temperature at or above 30 C (86 F) in 49 years, most in 1990 with 156.
  • Mayport Pilot STN: days with a maximum temperature at or above 90 F (32.2 C) in 49 years, most in 1990 with 104.
  • Mayport Pilot STN: nights with a minimum temperature at or above 20 C (68 F) in 48 years, most in 2024 with 193.
  • Mayport Pilot STN: nights with a minimum temperature at or above 25 C (77 F) in 48 years, most in 2024 with 111.
  • 14 fixed thresholds have at least one qualifying day at Mayport Pilot STN.
49 years with a qualifying day
Days at or above 30 C (86 F) per year at Mayport Pilot STN Days per year at Mayport Pilot STN with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 156 in 1990. 0501001502001960: 641961: 741962: 831963: 691964: 601965: 621966: 561967: 661968: 1101969: 901970: 961971: 871972: 1081985: 1141986: 1291987: 1191988: 1301989: 1461990: 1561991: 1251992: 1151993: 1261994: 1331995: 1351996: 1061997: 1132001: 1012002: 1082003: 1182004: 1122007: 972008: 1112009: 1112010: 1282011: 1362012: 1042013: 642014: 1252015: 1232016: 1172018: 1272019: 1322020: 1082021: 1222022: 1322023: 1352024: 1522025: 1332026: 881960196519701987199219972007201220182023
Days per year at Mayport Pilot STN with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 156 in 1990.
Days at or above 30 C (86 F) per year at Mayport Pilot STN
YearDaysDecade average
19606473.4
19617473.4
19628373.4
19636973.4
19646073.4
19656273.4
19665673.4
19676673.4
196811073.4
19699073.4
19709697
19718797
197210897
1985114127.6
1986129127.6
1987119127.6
1988130127.6
1989146127.6
1990156126.1
1991125126.1
1992115126.1
1993126126.1
1994133126.1
1995135126.1
1996106126.1
1997113126.1
2001101108.3
2002108108.3
2003118108.3
2004112108.3
200797108.3
2008111108.3
2009111108.3
2010128117.3
2011136117.3
2012104117.3
201364117.3
2014125117.3
2015123117.3
2016117117.3
2018127117.3
2019132117.3
2020108124.3
2021122124.3
2022132124.3
2023135124.3
2024152124.3
2025133124.3
202688124.3
First to last qualifying date each year at Mayport Pilot STN For each year, a bar from the first to the last day at Mayport Pilot STN meeting 30 C (86 F). 1960: 8 April 1960 to 9 October 19601961: 25 April 1961 to 1 November 19611962: 24 February 1962 to 9 October 19621963: 19 March 1963 to 28 October 19631964: 3 March 1964 to 4 October 19641965: 17 March 1965 to 10 October 19651966: 13 April 1966 to 19 October 19661967: 11 March 1967 to 17 October 19671968: 1 April 1968 to 2 December 19681969: 18 April 1969 to 1 October 19691970: 20 March 1970 to 13 October 19701971: 15 March 1971 to 28 December 19711972: 29 January 1972 to 29 October 19721985: 5 March 1985 to 16 October 19851986: 7 April 1986 to 6 November 19861987: 24 April 1987 to 29 September 19871988: 4 April 1988 to 20 November 19881989: 3 February 1989 to 18 October 19891990: 2 February 1990 to 23 October 19901991: 24 March 1991 to 24 October 19911992: 24 April 1992 to 4 November 19921993: 26 April 1993 to 20 October 19931994: 11 February 1994 to 23 October 19941995: 23 March 1995 to 2 November 19951996: 14 April 1996 to 2 November 19961997: 3 March 1997 to 26 October 19972001: 3 March 2001 to 25 October 20012002: 20 April 2002 to 29 October 20022003: 6 March 2003 to 6 November 20032004: 6 March 2004 to 4 November 20042007: 4 April 2007 to 23 October 20072008: 19 March 2008 to 13 November 20082009: 28 March 2009 to 23 October 20092010: 26 April 2010 to 28 October 20102011: 28 February 2011 to 30 September 20112012: 3 March 2012 to 7 October 20122013: 12 April 2013 to 17 September 20132014: 16 March 2014 to 14 October 20142015: 17 March 2015 to 3 November 20152016: 14 March 2016 to 2 October 20162018: 26 February 2018 to 13 November 20182019: 14 April 2019 to 31 October 20192020: 13 February 2020 to 29 October 20202021: 18 February 2021 to 22 October 20212022: 9 March 2022 to 12 October 20222023: 30 January 2023 to 10 November 20232024: 9 March 2024 to 20 November 20242025: 6 February 2025 to 26 September 20252026: 20 February 2026 to 21 September 20261960196719861993200320122020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mayport Pilot STN meeting 30 C (86 F).
First to last qualifying date each year at Mayport Pilot STN
YearFirst dateLast date
19601960-04-081960-10-09
19611961-04-251961-11-01
19621962-02-241962-10-09
19631963-03-191963-10-28
19641964-03-031964-10-04
19651965-03-171965-10-10
19661966-04-131966-10-19
19671967-03-111967-10-17
19681968-04-011968-12-02
19691969-04-181969-10-01
19701970-03-201970-10-13
19711971-03-151971-12-28
19721972-01-291972-10-29
19851985-03-051985-10-16
19861986-04-071986-11-06
19871987-04-241987-09-29
19881988-04-041988-11-20
19891989-02-031989-10-18
19901990-02-021990-10-23
19911991-03-241991-10-24
19921992-04-241992-11-04
19931993-04-261993-10-20
19941994-02-111994-10-23
19951995-03-231995-11-02
19961996-04-141996-11-02
19971997-03-031997-10-26
20012001-03-032001-10-25
20022002-04-202002-10-29
20032003-03-062003-11-06
20042004-03-062004-11-04
20072007-04-042007-10-23
20082008-03-192008-11-13
20092009-03-282009-10-23
20102010-04-262010-10-28
20112011-02-282011-09-30
20122012-03-032012-10-07
20132013-04-122013-09-17
20142014-03-162014-10-14
20152015-03-172015-11-03
20162016-03-142016-10-02
20182018-02-262018-11-13
20192019-04-142019-10-31
20202020-02-132020-10-29
20212021-02-182021-10-22
20222022-03-092022-10-12
20232023-01-302023-11-10
20242024-03-092024-11-20
20252025-02-062025-09-26
20262026-02-202026-09-21

Every Fixed Threshold

Fixed thresholds at Mayport Pilot STN
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days49156199088
35 C (95 F): Days463520249
90 F (32.2 C): Days49104199045
100 F (37.8 C): Days13719901
0 C (32 F): Ice days (max1119851
0 C (32 F): Frost days (min401820105
-10 C (14 F): Days with min1119851
20 C (68 F): Tropical nights (min481932024113
25 C (77 F): Days with min48111202442
10 mm (0.39 in): Days with 10 mm or more rain4855199120
25 mm (0.98 in): Days with 25 mm or more rain482319951
50 mm (1.97 in): Days with 50 mm or more rain44919951
100 mm (3.94 in): Days with 100 mm or more rain20219681
200 mm (7.87 in): Days with 200 mm or more rain1120151

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

  • Data for Mayport Pilot STN 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).