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Built 2026-10-18 (18 October 2026)

Lake Alan Henry Threshold Days by Year

18 fixed thresholds counted per year at Lake Alan Henry (USC00414967): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lake Alan Henry Thresholds

  • Lake Alan Henry: days with a maximum temperature at or above 30 C (86 F) in 32 years, most in 1998 with 164.
  • Lake Alan Henry: days with a maximum temperature at or above 35 C (95 F) in 32 years, most in 2011 with 107.
  • Lake Alan Henry: days with a maximum temperature at or above 90 F (32.2 C) in 32 years, most in 1998 with 143.
  • Lake Alan Henry: nights with a minimum temperature at or below 0 C (32 F) in 32 years, most in 2013 with 92.
  • 18 fixed thresholds have at least one qualifying day at Lake Alan Henry.
32 years with a qualifying day
Days at or above 30 C (86 F) per year at Lake Alan Henry Days per year at Lake Alan Henry with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 164 in 1998. 0501001502001995: 1241996: 1411997: 1181998: 1641999: 1202000: 1382001: 1382002: 1262003: 1282004: 932005: 1302006: 1372007: 982008: 1242009: 1222010: 1182011: 1622012: 1502013: 1382014: 1292015: 1322016: 1282017: 1402018: 1432019: 1342020: 1532021: 1392022: 1592023: 1512024: 1592025: 1642026: 16719951999200320072011201520192023
Days per year at Lake Alan Henry with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 164 in 1998.
Days at or above 30 C (86 F) per year at Lake Alan Henry
YearDaysDecade average
1995124133.4
1996141133.4
1997118133.4
1998164133.4
1999120133.4
2000138123.4
2001138123.4
2002126123.4
2003128123.4
200493123.4
2005130123.4
2006137123.4
200798123.4
2008124123.4
2009122123.4
2010118137.4
2011162137.4
2012150137.4
2013138137.4
2014129137.4
2015132137.4
2016128137.4
2017140137.4
2018143137.4
2019134137.4
2020153156
2021139156
2022159156
2023151156
2024159156
2025164156
2026167156
First to last qualifying date each year at Lake Alan Henry For each year, a bar from the first to the last day at Lake Alan Henry meeting 30 C (86 F). 1995: 20 March 1995 to 13 November 19951996: 19 February 1996 to 21 November 19961997: 22 March 1997 to 1 November 19971998: 24 March 1998 to 15 October 19981999: 23 March 1999 to 16 October 19992000: 16 February 2000 to 6 October 20002001: 3 April 2001 to 2 November 20012002: 14 March 2002 to 2 October 20022003: 3 April 2003 to 25 October 20032004: 16 April 2004 to 22 October 20042005: 5 April 2005 to 9 November 20052006: 4 January 2006 to 10 November 20062007: 1 June 2007 to 9 November 20072008: 15 March 2008 to 11 October 20082009: 25 February 2009 to 15 October 20092010: 31 March 2010 to 1 November 20102011: 4 March 2011 to 26 October 20112012: 25 March 2012 to 22 October 20122013: 16 March 2013 to 5 October 20132014: 12 March 2014 to 28 October 20142015: 25 March 2015 to 16 October 20152016: 21 February 2016 to 2 November 20162017: 12 February 2017 to 18 November 20172018: 11 March 2018 to 6 October 20182019: 10 April 2019 to 21 October 20192020: 26 March 2020 to 18 October 20202021: 7 April 2021 to 27 October 20212022: 27 March 2022 to 24 October 20222023: 6 March 2023 to 9 November 20232024: 21 February 2024 to 31 October 20242025: 4 February 2025 to 21 December 20252026: 1 March 2026 to 14 October 202619951999200320072011201520192023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lake Alan Henry meeting 30 C (86 F).
First to last qualifying date each year at Lake Alan Henry
YearFirst dateLast date
19951995-03-201995-11-13
19961996-02-191996-11-21
19971997-03-221997-11-01
19981998-03-241998-10-15
19991999-03-231999-10-16
20002000-02-162000-10-06
20012001-04-032001-11-02
20022002-03-142002-10-02
20032003-04-032003-10-25
20042004-04-162004-10-22
20052005-04-052005-11-09
20062006-01-042006-11-10
20072007-06-012007-11-09
20082008-03-152008-10-11
20092009-02-252009-10-15
20102010-03-312010-11-01
20112011-03-042011-10-26
20122012-03-252012-10-22
20132013-03-162013-10-05
20142014-03-122014-10-28
20152015-03-252015-10-16
20162016-02-212016-11-02
20172017-02-122017-11-18
20182018-03-112018-10-06
20192019-04-102019-10-21
20202020-03-262020-10-18
20212021-04-072021-10-27
20222022-03-272022-10-24
20232023-03-062023-11-09
20242024-02-212024-10-31
20252025-02-042025-12-21
20262026-03-012026-10-14

Every Fixed Threshold

Fixed thresholds at Lake Alan Henry
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days321641998167
35 C (95 F): Days321072011100
40 C (104 F): Days273720234
45 C (113 F): Days2120191
90 F (32.2 C): Days321431998129
100 F (37.8 C): Days3182201134
110 F (43.3 C): Days10620231
0 C (32 F): Ice days (max311420143
0 C (32 F): Frost days (min3292201330
-10 C (14 F): Days with min241320114
-20 C (-4 F): Days with min1120211
20 C (68 F): Tropical nights (min321092011119
25 C (77 F): Days with min3058201146
10 mm (0.39 in): Days with 10 mm or more rain323420048
25 mm (0.98 in): Days with 25 mm or more rain301620041
50 mm (1.97 in): Days with 50 mm or more rain17520043
100 mm (3.94 in): Days with 100 mm or more rain4120001
10 cm (3.9 in): Days with 10 cm or more snowfall6220211

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1995.

Download the Data

  • Data for Lake Alan Henry 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).