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Built 2026-10-19 (19 October 2026)

Island Pond Threshold Days by Year (USC00434120)

16 fixed thresholds counted per year at Island Pond (USC00434120): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Island Pond Thresholds

  • Island Pond: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 2007 with 47.
  • Island Pond: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 2013 with 12.
  • Island Pond: days with 10 cm (3.9 in) or more of snowfall in 35 years, most in 2007 with 15.
  • Island Pond: days with a maximum temperature at or below 0 C (32 F) in 33 years, most in 2007 with 97.
  • 16 fixed thresholds have at least one qualifying day at Island Pond.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Island Pond Days per year at Island Pond with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 14 in 2002. 0510151991: 91992: 11993: 31994: 71995: 51998: 22001: 112002: 142003: 52005: 92006: 52007: 52008: 32009: 32010: 102011: 52012: 72013: 52014: 12015: 42016: 12017: 62018: 112019: 52020: 112021: 82022: 62023: 62024: 52025: 102026: 719911995200320082012201620202024
Days per year at Island Pond with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 14 in 2002.
Days at or above 30 C (86 F) per year at Island Pond
YearDaysDecade average
199194.5
199214.5
199334.5
199474.5
199554.5
199824.5
2001116.9
2002146.9
200356.9
200596.9
200656.9
200756.9
200836.9
200936.9
2010105.5
201155.5
201275.5
201355.5
201415.5
201545.5
201615.5
201765.5
2018115.5
201955.5
2020117.6
202187.6
202267.6
202367.6
202457.6
2025107.6
202677.6
First to last qualifying date each year at Island Pond For each year, a bar from the first to the last day at Island Pond meeting 30 C (86 F). 1991: 19 June 1991 to 31 August 19911992: 27 August 1992 to 27 August 19921993: 26 June 1993 to 27 August 19931994: 16 June 1994 to 23 July 19941995: 20 June 1995 to 2 August 19951998: 17 July 1998 to 23 July 19982001: 15 June 2001 to 10 August 20012002: 3 July 2002 to 11 September 20022003: 24 June 2003 to 28 June 20032005: 12 June 2005 to 9 August 20052006: 19 June 2006 to 2 August 20062007: 27 June 2007 to 26 August 20072008: 8 June 2008 to 11 June 20082009: 15 August 2009 to 19 August 20092010: 26 May 2010 to 3 September 20102011: 9 June 2011 to 24 July 20112012: 21 May 2012 to 5 August 20122013: 1 June 2013 to 20 July 20132014: 3 July 2014 to 3 July 20142015: 30 July 2015 to 10 September 20152016: 14 July 2016 to 14 July 20162017: 19 May 2017 to 28 September 20172018: 1 July 2018 to 4 September 20182019: 5 July 2019 to 31 July 20192020: 27 May 2020 to 12 August 20202021: 7 June 2021 to 27 August 20212022: 13 May 2022 to 9 August 20222023: 2 June 2023 to 8 September 20232024: 23 May 2024 to 6 July 20242025: 20 June 2025 to 14 August 20252026: 13 June 2026 to 8 August 202619911995200320082012201620202024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Island Pond meeting 30 C (86 F).
First to last qualifying date each year at Island Pond
YearFirst dateLast date
19911991-06-191991-08-31
19921992-08-271992-08-27
19931993-06-261993-08-27
19941994-06-161994-07-23
19951995-06-201995-08-02
19981998-07-171998-07-23
20012001-06-152001-08-10
20022002-07-032002-09-11
20032003-06-242003-06-28
20052005-06-122005-08-09
20062006-06-192006-08-02
20072007-06-272007-08-26
20082008-06-082008-06-11
20092009-08-152009-08-19
20102010-05-262010-09-03
20112011-06-092011-07-24
20122012-05-212012-08-05
20132013-06-012013-07-20
20142014-07-032014-07-03
20152015-07-302015-09-10
20162016-07-142016-07-14
20172017-05-192017-09-28
20182018-07-012018-09-04
20192019-07-052019-07-31
20202020-05-272020-08-12
20212021-06-072021-08-27
20222022-05-132022-08-09
20232023-06-022023-09-08
20242024-05-232024-07-06
20252025-06-202025-08-14
20262026-06-132026-08-08

Every Fixed Threshold

Fixed thresholds at Island Pond
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days311420027
90 F (32.2 C): Days14419941
0 C (32 F): Ice days (max3397200763
0 C (32 F): Frost days (min332021993116
-10 C (14 F): Days with min3396199261
-20 C (-4 F): Days with min3353199431
-30 C (-22 F): Days with min281419933
-40 C (-40 F): Days with min2119931
20 C (68 F): Tropical nights (min18720182
10 mm (0.39 in): Days with 10 mm or more rain3647200724
25 mm (0.98 in): Days with 25 mm or more rain361220136
50 mm (1.97 in): Days with 50 mm or more rain21320243
100 mm (3.94 in): Days with 100 mm or more rain2220242
10 cm (3.9 in): Days with 10 cm or more snowfall351520074
25 cm (9.8 in): Days with 25 cm or more snowfall15319931
50 cm (19.7 in): Days with 50 cm or more snowfall1219932

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1991.

Download the Data

  • Data for Island Pond 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).