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Built 2026-10-19 (19 October 2026)

Port Aransas Threshold Days by Year (USC00417170)

14 fixed thresholds counted per year at Port Aransas (USC00417170): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Port Aransas Thresholds

  • Port Aransas: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1992 with 33.
  • Port Aransas: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1992 with 18.
  • Port Aransas: days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 2006 with 9.
  • Port Aransas: days with a maximum temperature at or above 30 C (86 F) in 27 years, most in 2007 with 145.
  • 14 fixed thresholds have at least one qualifying day at Port Aransas.
27 years with a qualifying day
Days at or above 30 C (86 F) per year at Port Aransas Days per year at Port Aransas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 145 in 2007. 0501001501986: 1161989: 1141990: 1271991: 1091992: 931995: 1191996: 1201997: 1181998: 1301999: 1302000: 1312001: 1212002: 1322003: 1382004: 1222005: 1342006: 1382007: 1452008: 1312009: 1412010: 1302011: 1372012: 1372013: 1252014: 1192015: 1152016: 135198619911996199920022005200820112014
Days per year at Port Aransas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 145 in 2007.
Days at or above 30 C (86 F) per year at Port Aransas
YearDaysDecade average
1986116115
1989114115
1990127118.3
1991109118.3
199293118.3
1995119118.3
1996120118.3
1997118118.3
1998130118.3
1999130118.3
2000131133.3
2001121133.3
2002132133.3
2003138133.3
2004122133.3
2005134133.3
2006138133.3
2007145133.3
2008131133.3
2009141133.3
2010130128.3
2011137128.3
2012137128.3
2013125128.3
2014119128.3
2015115128.3
2016135128.3
First to last qualifying date each year at Port Aransas For each year, a bar from the first to the last day at Port Aransas meeting 30 C (86 F). 1986: 27 May 1986 to 5 October 19861989: 19 May 1989 to 15 October 19891990: 17 May 1990 to 8 October 19901991: 2 March 1991 to 12 October 19911992: 4 June 1992 to 26 September 19921995: 10 May 1995 to 5 October 19951996: 25 May 1996 to 1 November 19961997: 28 May 1997 to 8 October 19971998: 8 April 1998 to 15 October 19981999: 5 May 1999 to 12 October 19992000: 12 May 2000 to 24 October 20002001: 12 May 2001 to 11 October 20012002: 25 April 2002 to 21 October 20022003: 25 April 2003 to 2 November 20032004: 31 May 2004 to 24 October 20042005: 6 April 2005 to 21 October 20052006: 2 February 2006 to 18 October 20062007: 3 May 2007 to 21 October 20072008: 14 May 2008 to 19 October 20082009: 12 April 2009 to 15 October 20092010: 24 April 2010 to 1 November 20102011: 11 April 2011 to 16 November 20112012: 5 April 2012 to 25 October 20122013: 27 May 2013 to 31 October 20132014: 28 April 2014 to 18 October 20142015: 28 May 2015 to 20 October 20152016: 5 May 2016 to 2 November 20161986199219982002200620102014JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Port Aransas meeting 30 C (86 F).
First to last qualifying date each year at Port Aransas
YearFirst dateLast date
19861986-05-271986-10-05
19891989-05-191989-10-15
19901990-05-171990-10-08
19911991-03-021991-10-12
19921992-06-041992-09-26
19951995-05-101995-10-05
19961996-05-251996-11-01
19971997-05-281997-10-08
19981998-04-081998-10-15
19991999-05-051999-10-12
20002000-05-122000-10-24
20012001-05-122001-10-11
20022002-04-252002-10-21
20032003-04-252003-11-02
20042004-05-312004-10-24
20052005-04-062005-10-21
20062006-02-022006-10-18
20072007-05-032007-10-21
20082008-05-142008-10-19
20092009-04-122009-10-15
20102010-04-242010-11-01
20112011-04-112011-11-16
20122012-04-052012-10-25
20132013-05-272013-10-31
20142014-04-282014-10-18
20152015-05-282015-10-20
20162016-05-052016-11-02

Every Fixed Threshold

Fixed thresholds at Port Aransas
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days271452007135
35 C (95 F): Days11720054
90 F (32.2 C): Days27100200580
100 F (37.8 C): Days2120001
0 C (32 F): Ice days (max1119891
0 C (32 F): Frost days (min8919891
-10 C (14 F): Days with min1119891
20 C (68 F): Tropical nights (min272232007207
25 C (77 F): Days with min271362007135
10 mm (0.39 in): Days with 10 mm or more rain3133199217
25 mm (0.98 in): Days with 25 mm or more rain311819925
50 mm (1.97 in): Days with 50 mm or more rain31920064
100 mm (3.94 in): Days with 100 mm or more rain21320101
200 mm (7.87 in): Days with 200 mm or more rain3119951

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1986.

Download the Data

  • Data for Port Aransas 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).