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Built 2026-10-19 (19 October 2026)

Wiscasset AP Threshold Days by Year (USW00094623)

12 fixed thresholds counted per year at Wiscasset AP (USW00094623): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wiscasset AP Thresholds

  • Wiscasset AP: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 2002 with 20.
  • Wiscasset AP: days with a maximum temperature at or below 0 C (32 F) in 30 years, most in 2003 with 61.
  • Wiscasset AP: nights with a minimum temperature at or below 0 C (32 F) in 30 years, most in 1997 with 178.
  • Wiscasset AP: nights with a minimum temperature at or below -10 C (14 F) in 30 years, most in 2003 with 63.
  • 12 fixed thresholds have at least one qualifying day at Wiscasset AP.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at Wiscasset AP Days per year at Wiscasset AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 20 in 2002. 01020301997: 151998: 31999: 142000: 22001: 152002: 202003: 82004: 32005: 162006: 52007: 132008: 52009: 62010: 162011: 112012: 82013: 172014: 32015: 112016: 152017: 102018: 182019: 102020: 182021: 152022: 152023: 82024: 192025: 192026: 281997200020032006200920122015201820212024
Days per year at Wiscasset AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 20 in 2002.
Days at or above 30 C (86 F) per year at Wiscasset AP
YearDaysDecade average
19971510.7
1998310.7
19991410.7
200029.3
2001159.3
2002209.3
200389.3
200439.3
2005169.3
200659.3
2007139.3
200859.3
200969.3
20101611.9
20111111.9
2012811.9
20131711.9
2014311.9
20151111.9
20161511.9
20171011.9
20181811.9
20191011.9
20201817.4
20211517.4
20221517.4
2023817.4
20241917.4
20251917.4
20262817.4
First to last qualifying date each year at Wiscasset AP For each year, a bar from the first to the last day at Wiscasset AP meeting 30 C (86 F). 1997: 10 June 1997 to 16 August 19971998: 14 July 1998 to 22 July 19981999: 31 May 1999 to 3 September 19992000: 17 June 2000 to 1 September 20002001: 2 May 2001 to 10 August 20012002: 27 June 2002 to 10 September 20022003: 25 June 2003 to 22 August 20032004: 9 June 2004 to 28 August 20042005: 11 June 2005 to 13 August 20052006: 29 May 2006 to 2 August 20062007: 25 May 2007 to 8 September 20072008: 8 June 2008 to 19 July 20082009: 22 May 2009 to 19 August 20092010: 25 May 2010 to 2 September 20102011: 30 May 2011 to 23 July 20112012: 20 June 2012 to 3 August 20122013: 31 May 2013 to 11 September 20132014: 23 July 2014 to 1 September 20142015: 11 June 2015 to 8 September 20152016: 28 May 2016 to 9 September 20162017: 18 May 2017 to 24 September 20172018: 25 May 2018 to 6 September 20182019: 2 July 2019 to 31 July 20192020: 18 June 2020 to 25 August 20202021: 6 June 2021 to 26 August 20212022: 14 May 2022 to 20 August 20222023: 1 June 2023 to 6 September 20232024: 19 June 2024 to 17 September 20242025: 5 June 2025 to 17 August 20252026: 19 May 2026 to 10 September 202619972001200520092013201720212025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wiscasset AP meeting 30 C (86 F).
First to last qualifying date each year at Wiscasset AP
YearFirst dateLast date
19971997-06-101997-08-16
19981998-07-141998-07-22
19991999-05-311999-09-03
20002000-06-172000-09-01
20012001-05-022001-08-10
20022002-06-272002-09-10
20032003-06-252003-08-22
20042004-06-092004-08-28
20052005-06-112005-08-13
20062006-05-292006-08-02
20072007-05-252007-09-08
20082008-06-082008-07-19
20092009-05-222009-08-19
20102010-05-252010-09-02
20112011-05-302011-07-23
20122012-06-202012-08-03
20132013-05-312013-09-11
20142014-07-232014-09-01
20152015-06-112015-09-08
20162016-05-282016-09-09
20172017-05-182017-09-24
20182018-05-252018-09-06
20192019-07-022019-07-31
20202020-06-182020-08-25
20212021-06-062021-08-26
20222022-05-142022-08-20
20232023-06-012023-09-06
20242024-06-192024-09-17
20252025-06-052025-08-17
20262026-05-192026-09-10

Every Fixed Threshold

Fixed thresholds at Wiscasset AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3020200228
35 C (95 F): Days7320022
90 F (32.2 C): Days279199910
0 C (32 F): Ice days (max3061200326
0 C (32 F): Frost days (min30178199796
-10 C (14 F): Days with min3063200339
-20 C (-4 F): Days with min271820033
20 C (68 F): Tropical nights (min24820247
10 mm (0.39 in): Days with 10 mm or more rain2746200817
25 mm (0.98 in): Days with 25 mm or more rain271920055
50 mm (1.97 in): Days with 50 mm or more rain25620092
100 mm (3.94 in): Days with 100 mm or more rain4120051

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1997.

Download the Data

  • Data for Wiscasset 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).