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Built 2026-10-19 (19 October 2026)

York AP Threshold Days by Year (USW00093778)

14 fixed thresholds counted per year at York AP (USW00093778): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for York AP Thresholds

  • York AP: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 2010 with 62.
  • York AP: days with a maximum temperature at or above 90 F (32.2 C) in 28 years, most in 2002 with 37.
  • York AP: days with a maximum temperature at or below 0 C (32 F) in 28 years, most in 2000 with 33.
  • York AP: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 2001 with 148.
  • 14 fixed thresholds have at least one qualifying day at York AP.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at York AP Days per year at York AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 62 in 2010. 0204060801998: 361999: 552000: 272001: 352002: 572003: 282004: 252005: 592006: 512007: 572008: 412009: 222010: 622011: 472012: 482013: 372014: 272015: 412016: 612017: 462018: 422019: 592020: 472021: 532022: 552023: 502024: 602025: 411998200120042007201020132016201920222025
Days per year at York AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 62 in 2010.
Days at or above 30 C (86 F) per year at York AP
YearDaysDecade average
19983645.5
19995545.5
20002740.2
20013540.2
20025740.2
20032840.2
20042540.2
20055940.2
20065140.2
20075740.2
20084140.2
20092240.2
20106247
20114747
20124847
20133747
20142747
20154147
20166147
20174647
20184247
20195947
20204751
20215351
20225551
20235051
20246051
20254151
First to last qualifying date each year at York AP For each year, a bar from the first to the last day at York AP meeting 30 C (86 F). 1998: 30 March 1998 to 27 September 19981999: 30 May 1999 to 9 September 19992000: 6 May 2000 to 10 September 20002001: 23 April 2001 to 13 September 20012002: 16 April 2002 to 10 September 20022003: 24 June 2003 to 30 August 20032004: 19 April 2004 to 29 August 20042005: 11 May 2005 to 23 September 20052006: 29 May 2006 to 29 August 20062007: 25 May 2007 to 9 October 20072008: 5 June 2008 to 14 September 20082009: 25 April 2009 to 26 August 20092010: 6 April 2010 to 25 September 20102011: 26 May 2011 to 4 September 20112012: 16 April 2012 to 7 September 20122013: 10 April 2013 to 6 October 20132014: 13 May 2014 to 6 September 20142015: 16 May 2015 to 9 September 20152016: 26 May 2016 to 23 September 20162017: 17 May 2017 to 27 September 20172018: 2 May 2018 to 7 October 20182019: 19 May 2019 to 2 October 20192020: 29 May 2020 to 28 August 20202021: 28 April 2021 to 15 September 20212022: 21 May 2022 to 4 September 20222023: 1 June 2023 to 12 September 20232024: 29 April 2024 to 14 September 20242025: 4 June 2025 to 19 September 20251998200220062010201420182022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at York AP meeting 30 C (86 F).
First to last qualifying date each year at York AP
YearFirst dateLast date
19981998-03-301998-09-27
19991999-05-301999-09-09
20002000-05-062000-09-10
20012001-04-232001-09-13
20022002-04-162002-09-10
20032003-06-242003-08-30
20042004-04-192004-08-29
20052005-05-112005-09-23
20062006-05-292006-08-29
20072007-05-252007-10-09
20082008-06-052008-09-14
20092009-04-252009-08-26
20102010-04-062010-09-25
20112011-05-262011-09-04
20122012-04-162012-09-07
20132013-04-102013-10-06
20142014-05-132014-09-06
20152015-05-162015-09-09
20162016-05-262016-09-23
20172017-05-172017-09-27
20182018-05-022018-10-07
20192019-05-192019-10-02
20202020-05-292020-08-28
20212021-04-282021-09-15
20222022-05-212022-09-04
20232023-06-012023-09-12
20242024-04-292024-09-14
20252025-06-042025-09-19

Every Fixed Threshold

Fixed thresholds at York AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2862201041
35 C (95 F): Days181119992
90 F (32.2 C): Days2837200214
100 F (37.8 C): Days2120111
0 C (32 F): Ice days (max2833200023
0 C (32 F): Frost days (min281482001128
-10 C (14 F): Days with min2836200020
-20 C (-4 F): Days with min14720144
20 C (68 F): Tropical nights (min2834201831
25 C (77 F): Days with min2220242
10 mm (0.39 in): Days with 10 mm or more rain2751201835
25 mm (0.98 in): Days with 25 mm or more rain271420087
50 mm (1.97 in): Days with 50 mm or more rain21520131
100 mm (3.94 in): Days with 100 mm or more rain4220131

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1998.

Download the Data

  • Data for York AP 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).