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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Palmer AP Threshold Days by Year

8 fixed thresholds counted per year at Palmer AP (USW00025331): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Palmer AP Thresholds

  • Palmer AP: days with a maximum temperature at or below 0 C (32 F) in 28 years, most in 2012 with 124.
  • Palmer AP: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 2000 with 204.
  • Palmer AP: nights with a minimum temperature at or below -10 C (14 F) in 28 years, most in 2012 with 108.
  • Palmer AP: nights with a minimum temperature at or below -20 C (-4 F) in 27 years, most in 1999 with 42.
  • 8 fixed thresholds have at least one qualifying day at Palmer AP.
28 years with a qualifying day
Nights at or below 0 C (32 F) per year at Palmer AP Days per year at Palmer AP with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 204 in 2000. 01002003001998: 1951999: 1952000: 2042001: 1932002: 1682003: 1772004: 1902005: 1762006: 1952007: 1882008: 1992009: 1902010: 1902011: 1912012: 2002013: 1942014: 1862015: 1732016: 1712017: 1802018: 1702019: 1692020: 1902021: 1922022: 1832023: 1882024: 1802025: 1671998200120042007201020132016201920222025
Days per year at Palmer AP with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 204 in 2000.
Nights at or below 0 C (32 F) per year at Palmer AP
YearDaysDecade average
1998195195
1999195195
2000204188
2001193188
2002168188
2003177188
2004190188
2005176188
2006195188
2007188188
2008199188
2009190188
2010190182.4
2011191182.4
2012200182.4
2013194182.4
2014186182.4
2015173182.4
2016171182.4
2017180182.4
2018170182.4
2019169182.4
2020190183.3
2021192183.3
2022183183.3
2023188183.3
2024180183.3
2025167183.3
First to last qualifying date each year at Palmer AP For each year, a bar from the first to the last day at Palmer AP meeting 0 C (32 F). 1998: 1 January 1998 to 31 December 19981999: 1 January 1999 to 31 December 19992000: 1 January 2000 to 31 December 20002001: 1 January 2001 to 31 December 20012002: 1 January 2002 to 31 December 20022003: 1 January 2003 to 31 December 20032004: 1 January 2004 to 31 December 20042005: 1 January 2005 to 31 December 20052006: 1 January 2006 to 31 December 20062007: 1 January 2007 to 31 December 20072008: 1 January 2008 to 31 December 20082009: 1 January 2009 to 31 December 20092010: 1 January 2010 to 31 December 20102011: 1 January 2011 to 31 December 20112012: 1 January 2012 to 31 December 20122013: 2 January 2013 to 31 December 20132014: 1 January 2014 to 29 December 20142015: 1 January 2015 to 31 December 20152016: 1 January 2016 to 31 December 20162017: 1 January 2017 to 31 December 20172018: 1 January 2018 to 30 December 20182019: 2 January 2019 to 31 December 20192020: 1 January 2020 to 31 December 20202021: 1 January 2021 to 31 December 20212022: 1 January 2022 to 31 December 20222023: 1 January 2023 to 31 December 20232024: 1 January 2024 to 31 December 20242025: 1 January 2025 to 31 December 20251998200220062010201420182022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Palmer AP meeting 0 C (32 F).
First to last qualifying date each year at Palmer AP
YearFirst dateLast date
19981998-01-011998-12-31
19991999-01-011999-12-31
20002000-01-012000-12-31
20012001-01-012001-12-31
20022002-01-012002-12-31
20032003-01-012003-12-31
20042004-01-012004-12-31
20052005-01-012005-12-31
20062006-01-012006-12-31
20072007-01-012007-12-31
20082008-01-012008-12-31
20092009-01-012009-12-31
20102010-01-012010-12-31
20112011-01-012011-12-31
20122012-01-012012-12-31
20132013-01-022013-12-31
20142014-01-012014-12-29
20152015-01-012015-12-31
20162016-01-012016-12-31
20172017-01-012017-12-31
20182018-01-012018-12-30
20192019-01-022019-12-31
20202020-01-012020-12-31
20212021-01-012021-12-31
20222022-01-012022-12-31
20232023-01-012023-12-31
20242024-01-012024-12-31
20252025-01-012025-12-31

Every Fixed Threshold

Fixed thresholds at Palmer AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2420194
0 C (32 F): Ice days (max28124201273
0 C (32 F): Frost days (min282042000167
-10 C (14 F): Days with min28108201264
-20 C (-4 F): Days with min2742199913
-30 C (-22 F): Days with min101019994
10 mm (0.39 in): Days with 10 mm or more rain271520224
25 mm (0.98 in): Days with 25 mm or more rain7320041

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2015.

Download the Data

  • Data for Palmer 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).