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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Arlington Threshold Days by Year (USC00450257)

11 fixed thresholds counted per year at Arlington (USC00450257): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Arlington Thresholds

  • Arlington: days with 10 mm (0.39 in) or more of precipitation in 77 years, most in 2014 with 62.
  • Arlington: days with 25 mm (0.98 in) or more of precipitation in 77 years, most in 1945 with 16.
  • Arlington: days with 50 mm (1.97 in) or more of precipitation in 20 years, most in 1926 with 2.
  • Arlington: days with 10 cm (3.9 in) or more of snowfall in 15 years, most in 1989 with 3.
  • 11 fixed thresholds have at least one qualifying day at Arlington.
9 years with a qualifying day
Days at or above 30 C (86 F) per year at Arlington Days per year at Arlington with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 26 in 2018. 01020302011: 32012: 72013: 92014: 202015: 222016: 122017: 212018: 262019: 11201120122013201420152016201720182019
Days per year at Arlington with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 26 in 2018.
Days at or above 30 C (86 F) per year at Arlington
YearDaysDecade average
2011314.6
2012714.6
2013914.6
20142014.6
20152214.6
20161214.6
20172114.6
20182614.6
20191114.6
First to last qualifying date each year at Arlington For each year, a bar from the first to the last day at Arlington meeting 30 C (86 F). 2011: 20 August 2011 to 23 September 20112012: 4 August 2012 to 7 September 20122013: 6 May 2013 to 11 September 20132014: 1 May 2014 to 21 September 20142015: 7 June 2015 to 27 August 20152016: 18 April 2016 to 26 August 20162017: 27 May 2017 to 28 September 20172018: 14 May 2018 to 22 August 20182019: 10 May 2019 to 28 August 201920112013201520172019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Arlington meeting 30 C (86 F).
First to last qualifying date each year at Arlington
YearFirst dateLast date
20112011-08-202011-09-23
20122012-08-042012-09-07
20132013-05-062013-09-11
20142014-05-012014-09-21
20152015-06-072015-08-27
20162016-04-182016-08-26
20172017-05-272017-09-28
20182018-05-142018-08-22
20192019-05-102019-08-28

Every Fixed Threshold

Fixed thresholds at Arlington
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days926201811
35 C (95 F): Days2220152
90 F (32.2 C): Days81320153
0 C (32 F): Ice days (max5220131
0 C (32 F): Frost days (min91192019119
-10 C (14 F): Days with min71320146
10 mm (0.39 in): Days with 10 mm or more rain7762201434
25 mm (0.98 in): Days with 25 mm or more rain771619453
50 mm (1.97 in): Days with 50 mm or more rain20219261
10 cm (3.9 in): Days with 10 cm or more snowfall15319891
25 cm (9.8 in): Days with 25 cm or more snowfall1119891

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2011.

Download the Data

  • Data for Arlington 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).