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

Reading Rgnl AP Threshold Days by Year (USW00014712)

18 fixed thresholds counted per year at Reading Rgnl AP (USW00014712): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Reading Rgnl AP Thresholds

  • Reading Rgnl AP: days with a maximum temperature at or above 30 C (86 F) in 27 years, most in 2010 with 78.
  • Reading Rgnl AP: days with a maximum temperature at or above 90 F (32.2 C) in 27 years, most in 2010 with 48.
  • Reading Rgnl AP: days with a maximum temperature at or below 0 C (32 F) in 27 years, most in 2000 with 36.
  • Reading Rgnl AP: nights with a minimum temperature at or below 0 C (32 F) in 27 years, most in 2014 with 123.
  • 18 fixed thresholds have at least one qualifying day at Reading Rgnl AP.
27 years with a qualifying day
Days at or above 30 C (86 F) per year at Reading Rgnl AP Days per year at Reading Rgnl AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 78 in 2010. 0204060801949: 522000: 232001: 352002: 602003: 302004: 272005: 632006: 452007: 562008: 532009: 252010: 782011: 542012: 592013: 502014: 352015: 592016: 712017: 482018: 512019: 592020: 632021: 642022: 692023: 542024: 662025: 57194920022005200820112014201720202023
Days per year at Reading Rgnl AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 78 in 2010.
Days at or above 30 C (86 F) per year at Reading Rgnl AP
YearDaysDecade average
19495252
20002341.7
20013541.7
20026041.7
20033041.7
20042741.7
20056341.7
20064541.7
20075641.7
20085341.7
20092541.7
20107856.4
20115456.4
20125956.4
20135056.4
20143556.4
20155956.4
20167156.4
20174856.4
20185156.4
20195956.4
20206362.2
20216462.2
20226962.2
20235462.2
20246662.2
20255762.2
First to last qualifying date each year at Reading Rgnl AP For each year, a bar from the first to the last day at Reading Rgnl AP meeting 30 C (86 F). 1949: 4 May 1949 to 10 October 19492000: 6 May 2000 to 4 September 20002001: 23 April 2001 to 31 August 20012002: 16 April 2002 to 13 September 20022003: 14 June 2003 to 25 August 20032004: 19 April 2004 to 29 August 20042005: 11 May 2005 to 23 September 20052006: 29 May 2006 to 23 August 20062007: 15 May 2007 to 9 October 20072008: 19 April 2008 to 14 September 20082009: 25 April 2009 to 21 August 20092010: 6 April 2010 to 25 September 20102011: 26 May 2011 to 21 August 20112012: 16 April 2012 to 7 September 20122013: 10 April 2013 to 5 October 20132014: 27 May 2014 to 6 September 20142015: 4 May 2015 to 9 September 20152016: 25 May 2016 to 23 September 20162017: 16 April 2017 to 27 September 20172018: 2 May 2018 to 7 September 20182019: 19 May 2019 to 2 October 20192020: 15 May 2020 to 8 September 20202021: 28 April 2021 to 18 September 20212022: 21 May 2022 to 19 September 20222023: 13 April 2023 to 9 September 20232024: 29 April 2024 to 22 October 20242025: 29 March 2025 to 28 September 20251949200320072011201520192023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Reading Rgnl AP meeting 30 C (86 F).
First to last qualifying date each year at Reading Rgnl AP
YearFirst dateLast date
19491949-05-041949-10-10
20002000-05-062000-09-04
20012001-04-232001-08-31
20022002-04-162002-09-13
20032003-06-142003-08-25
20042004-04-192004-08-29
20052005-05-112005-09-23
20062006-05-292006-08-23
20072007-05-152007-10-09
20082008-04-192008-09-14
20092009-04-252009-08-21
20102010-04-062010-09-25
20112011-05-262011-08-21
20122012-04-162012-09-07
20132013-04-102013-10-05
20142014-05-272014-09-06
20152015-05-042015-09-09
20162016-05-252016-09-23
20172017-04-162017-09-27
20182018-05-022018-09-07
20192019-05-192019-10-02
20202020-05-152020-09-08
20212021-04-282021-09-18
20222022-05-212022-09-19
20232023-04-132023-09-09
20242024-04-292024-10-22
20252025-03-292025-09-28

Every Fixed Threshold

Fixed thresholds at Reading Rgnl AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2778201057
35 C (95 F): Days221520027
40 C (104 F): Days1120111
90 F (32.2 C): Days2748201026
100 F (37.8 C): Days7320101
0 C (32 F): Ice days (max2736200019
0 C (32 F): Frost days (min27123201497
-10 C (14 F): Days with min272820158
-20 C (-4 F): Days with min2120191
20 C (68 F): Tropical nights (min2754202142
25 C (77 F): Days with min5420114
10 mm (0.39 in): Days with 10 mm or more rain2760201839
25 mm (0.98 in): Days with 25 mm or more rain272220189
50 mm (1.97 in): Days with 50 mm or more rain24620043
100 mm (3.94 in): Days with 100 mm or more rain5120051
10 cm (3.9 in): Days with 10 cm or more snowfall24520031
25 cm (9.8 in): Days with 25 cm or more snowfall6220031
50 cm (19.7 in): Days with 50 cm or more snowfall1120161

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Reading Rgnl 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).