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Built 2026-10-19 (19 October 2026)

Manchester AP Threshold Days by Year (USW00014710)

16 fixed thresholds counted per year at Manchester AP (USW00014710): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Manchester AP Thresholds

  • Manchester AP: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 2005 with 46.
  • Manchester AP: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1960 with 16.
  • Manchester AP: days with a maximum temperature at or above 30 C (86 F) in 32 years, most in 2024 with 56.
  • Manchester AP: days with a maximum temperature at or above 90 F (32.2 C) in 32 years, most in 2020 with 33.
  • 16 fixed thresholds have at least one qualifying day at Manchester AP.
32 years with a qualifying day
Days at or above 30 C (86 F) per year at Manchester AP Days per year at Manchester AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 56 in 2024. 02040601952: 401953: 381954: 181998: 291999: 392000: 152001: 372002: 432003: 252004: 212005: 432006: 252007: 432008: 202009: 222010: 492011: 342012: 352013: 242014: 292015: 452016: 542017: 372018: 502019: 382020: 532021: 382022: 502023: 372024: 562025: 432026: 4519521999200320072011201520192023
Days per year at Manchester AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 56 in 2024.
Days at or above 30 C (86 F) per year at Manchester AP
YearDaysDecade average
19524032
19533832
19541832
19982934
19993934
20001529.4
20013729.4
20024329.4
20032529.4
20042129.4
20054329.4
20062529.4
20074329.4
20082029.4
20092229.4
20104939.5
20113439.5
20123539.5
20132439.5
20142939.5
20154539.5
20165439.5
20173739.5
20185039.5
20193839.5
20205346
20213846
20225046
20233746
20245646
20254346
20264546
First to last qualifying date each year at Manchester AP For each year, a bar from the first to the last day at Manchester AP meeting 30 C (86 F). 1952: 4 June 1952 to 29 September 19521953: 10 May 1953 to 5 September 19531954: 20 April 1954 to 25 August 19541998: 28 March 1998 to 6 September 19981999: 30 May 1999 to 9 September 19992000: 7 May 2000 to 1 September 20002001: 24 April 2001 to 9 September 20012002: 16 April 2002 to 10 September 20022003: 20 May 2003 to 20 August 20032004: 19 April 2004 to 30 August 20042005: 20 April 2005 to 19 September 20052006: 29 May 2006 to 7 August 20062007: 23 April 2007 to 5 October 20072008: 7 June 2008 to 5 September 20082009: 25 April 2009 to 26 August 20092010: 7 April 2010 to 24 September 20102011: 27 May 2011 to 4 September 20112012: 16 April 2012 to 31 August 20122013: 30 May 2013 to 11 September 20132014: 12 May 2014 to 28 September 20142015: 7 May 2015 to 18 September 20152016: 25 May 2016 to 9 September 20162017: 11 April 2017 to 27 September 20172018: 2 May 2018 to 16 September 20182019: 26 May 2019 to 23 September 20192020: 22 May 2020 to 8 September 20202021: 21 May 2021 to 15 September 20212022: 13 May 2022 to 10 September 20222023: 13 April 2023 to 3 October 20232024: 21 May 2024 to 17 September 20242025: 4 June 2025 to 6 October 20252026: 5 May 2026 to 10 September 202619521999200320072011201520192023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Manchester AP meeting 30 C (86 F).
First to last qualifying date each year at Manchester AP
YearFirst dateLast date
19521952-06-041952-09-29
19531953-05-101953-09-05
19541954-04-201954-08-25
19981998-03-281998-09-06
19991999-05-301999-09-09
20002000-05-072000-09-01
20012001-04-242001-09-09
20022002-04-162002-09-10
20032003-05-202003-08-20
20042004-04-192004-08-30
20052005-04-202005-09-19
20062006-05-292006-08-07
20072007-04-232007-10-05
20082008-06-072008-09-05
20092009-04-252009-08-26
20102010-04-072010-09-24
20112011-05-272011-09-04
20122012-04-162012-08-31
20132013-05-302013-09-11
20142014-05-122014-09-28
20152015-05-072015-09-18
20162016-05-252016-09-09
20172017-04-112017-09-27
20182018-05-022018-09-16
20192019-05-262019-09-23
20202020-05-222020-09-08
20212021-05-212021-09-15
20222022-05-132022-09-10
20232023-04-132023-10-03
20242024-05-212024-09-17
20252025-06-042025-10-06
20262026-05-052026-09-10

Every Fixed Threshold

Fixed thresholds at Manchester AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3256202445
35 C (95 F): Days261020024
90 F (32.2 C): Days3233202015
100 F (37.8 C): Days5220252
0 C (32 F): Ice days (max3250200335
0 C (32 F): Frost days (min32146195291
-10 C (14 F): Days with min3251200332
-20 C (-4 F): Days with min17619543
20 C (68 F): Tropical nights (min3233201812
25 C (77 F): Days with min9220191
10 mm (0.39 in): Days with 10 mm or more rain3646200520
25 mm (0.98 in): Days with 25 mm or more rain361619603
50 mm (1.97 in): Days with 50 mm or more rain26620231
100 mm (3.94 in): Days with 100 mm or more rain5119541
10 cm (3.9 in): Days with 10 cm or more snowfall11519523
25 cm (9.8 in): Days with 25 cm or more snowfall4119521

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

  • Data for Manchester 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 (2026-10-17).