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Built 2026-10-19 (19 October 2026)

Alberton Threshold Days by Year (USC00240075)

15 fixed thresholds counted per year at Alberton (USC00240075): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alberton Thresholds

  • Alberton: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 2006 with 16.
  • Alberton: days with a maximum temperature at or above 30 C (86 F) in 36 years, most in 2025 with 76.
  • Alberton: days with a maximum temperature at or above 35 C (95 F) in 36 years, most in 2021 with 33.
  • Alberton: days with a maximum temperature at or above 90 F (32.2 C) in 36 years, most in 2021 with 54.
  • 15 fixed thresholds have at least one qualifying day at Alberton.
36 years with a qualifying day
Days at or above 30 C (86 F) per year at Alberton Days per year at Alberton with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 2025. 0204060801959: 351960: 401961: 601962: 321965: 271966: 521967: 551968: 401969: 451970: 501971: 452002: 382003: 612004: 452005: 462006: 652007: 672008: 412009: 602010: 372011: 542012: 602013: 702014: 492015: 562016: 492017: 702018: 432019: 512020: 562021: 672022: 642023: 642024: 582025: 762026: 56195919651969200320072011201520192023
Days per year at Alberton with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 2025.
Days at or above 30 C (86 F) per year at Alberton
YearDaysDecade average
19593535
19604043.9
19616043.9
19623243.9
19652743.9
19665243.9
19675543.9
19684043.9
19694543.9
19705047.5
19714547.5
20023852.9
20036152.9
20044552.9
20054652.9
20066552.9
20076752.9
20084152.9
20096052.9
20103753.9
20115453.9
20126053.9
20137053.9
20144953.9
20155653.9
20164953.9
20177053.9
20184353.9
20195153.9
20205663
20216763
20226463
20236463
20245863
20257663
20265663
First to last qualifying date each year at Alberton For each year, a bar from the first to the last day at Alberton meeting 30 C (86 F). 1959: 12 June 1959 to 12 September 19591960: 10 May 1960 to 3 September 19601961: 25 May 1961 to 29 August 19611962: 19 June 1962 to 5 September 19621965: 9 June 1965 to 19 August 19651966: 3 May 1966 to 22 September 19661967: 16 June 1967 to 28 September 19671968: 18 June 1968 to 10 September 19681969: 3 June 1969 to 11 September 19691970: 16 May 1970 to 30 August 19701971: 21 June 1971 to 10 September 19712002: 20 May 2002 to 16 September 20022003: 25 May 2003 to 7 September 20032004: 5 June 2004 to 2 September 20042005: 21 June 2005 to 9 September 20052006: 16 May 2006 to 13 September 20062007: 18 May 2007 to 16 September 20072008: 17 May 2008 to 20 September 20082009: 19 May 2009 to 26 September 20092010: 25 June 2010 to 29 September 20102011: 23 June 2011 to 1 October 20112012: 24 April 2012 to 22 September 20122013: 12 May 2013 to 16 September 20132014: 2 July 2014 to 26 September 20142015: 7 June 2015 to 26 September 20152016: 5 June 2016 to 1 October 20162017: 24 May 2017 to 13 September 20172018: 8 June 2018 to 8 September 20182019: 3 June 2019 to 16 September 20192020: 31 May 2020 to 30 September 20202021: 18 May 2021 to 26 September 20212022: 18 June 2022 to 8 September 20222023: 1 May 2023 to 18 September 20232024: 7 June 2024 to 26 September 20242025: 26 May 2025 to 29 September 20252026: 26 May 2026 to 6 October 202619591966197120062011201620212026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Alberton meeting 30 C (86 F).
First to last qualifying date each year at Alberton
YearFirst dateLast date
19591959-06-121959-09-12
19601960-05-101960-09-03
19611961-05-251961-08-29
19621962-06-191962-09-05
19651965-06-091965-08-19
19661966-05-031966-09-22
19671967-06-161967-09-28
19681968-06-181968-09-10
19691969-06-031969-09-11
19701970-05-161970-08-30
19711971-06-211971-09-10
20022002-05-202002-09-16
20032003-05-252003-09-07
20042004-06-052004-09-02
20052005-06-212005-09-09
20062006-05-162006-09-13
20072007-05-182007-09-16
20082008-05-172008-09-20
20092009-05-192009-09-26
20102010-06-252010-09-29
20112011-06-232011-10-01
20122012-04-242012-09-22
20132013-05-122013-09-16
20142014-07-022014-09-26
20152015-06-072015-09-26
20162016-06-052016-10-01
20172017-05-242017-09-13
20182018-06-082018-09-08
20192019-06-032019-09-16
20202020-05-312020-09-30
20212021-05-182021-09-26
20222022-06-182022-09-08
20232023-05-012023-09-18
20242024-06-072024-09-26
20252025-05-262025-09-29
20262026-05-262026-10-06

Every Fixed Threshold

Fixed thresholds at Alberton
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3676202556
35 C (95 F): Days3633202122
40 C (104 F): Days6320213
90 F (32.2 C): Days3654202143
100 F (37.8 C): Days241220224
0 C (32 F): Ice days (max365720229
0 C (32 F): Frost days (min362021965109
-10 C (14 F): Days with min366020195
-20 C (-4 F): Days with min281420175
-30 C (-22 F): Days with min4219622
20 C (68 F): Tropical nights (min1119591
10 mm (0.39 in): Days with 10 mm or more rain391620069
25 mm (0.98 in): Days with 25 mm or more rain19320202
10 cm (3.9 in): Days with 10 cm or more snowfall23620141
25 cm (9.8 in): Days with 25 cm or more snowfall3120021

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

  • Data for Alberton 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).