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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Potou Threshold Days by Year (CHM00054618)

15 fixed thresholds counted per year at Potou (CHM00054618): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Potou Thresholds

  • Potou: days with a maximum temperature at or above 30 C (86 F) in 24 years, most in 2024 with 112.
  • Potou: days with a maximum temperature at or above 35 C (95 F) in 24 years, most in 1997 with 40.
  • Potou: days with a maximum temperature at or above 90 F (32.2 C) in 24 years, most in 2024 with 89.
  • Potou: days with a maximum temperature at or below 0 C (32 F) in 24 years, most in 2001 with 27.
  • 15 fixed thresholds have at least one qualifying day at Potou.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at Potou Days per year at Potou with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 112 in 2024. 0501001501996: 601997: 961998: 891999: 872000: 972001: 892002: 822003: 672004: 612005: 882006: 832007: 992008: 772009: 792010: 752011: 742012: 682014: 832020: 1022021: 1002022: 1092023: 962024: 1122025: 10119961999200220052008201120202023
Days per year at Potou with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 112 in 2024.
Days at or above 30 C (86 F) per year at Potou
YearDaysDecade average
19966083
19979683
19988983
19998783
20009782.2
20018982.2
20028282.2
20036782.2
20046182.2
20058882.2
20068382.2
20079982.2
20087782.2
20097982.2
20107575
20117475
20126875
20148375
2020102103.3
2021100103.3
2022109103.3
202396103.3
2024112103.3
2025101103.3
First to last qualifying date each year at Potou For each year, a bar from the first to the last day at Potou meeting 30 C (86 F). 1996: 19 May 1996 to 23 September 19961997: 14 May 1997 to 20 October 19971998: 20 April 1998 to 1 October 19981999: 4 May 1999 to 26 September 19992000: 12 April 2000 to 19 September 20002001: 13 May 2001 to 17 September 20012002: 13 April 2002 to 25 September 20022003: 27 April 2003 to 16 September 20032004: 19 April 2004 to 16 September 20042005: 6 April 2005 to 12 September 20052006: 30 April 2006 to 2 October 20062007: 29 April 2007 to 22 September 20072008: 29 April 2008 to 17 September 20082009: 18 March 2009 to 26 September 20092010: 1 May 2010 to 14 September 20102011: 17 May 2011 to 31 August 20112012: 3 May 2012 to 1 September 20122014: 15 May 2014 to 10 September 20142020: 30 April 2020 to 20 September 20202021: 6 May 2021 to 1 October 20212022: 10 April 2022 to 1 October 20222023: 14 May 2023 to 19 September 20232024: 10 May 2024 to 18 September 20242025: 16 April 2025 to 24 August 202519961999200220052008201120202023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Potou meeting 30 C (86 F).
First to last qualifying date each year at Potou
YearFirst dateLast date
19961996-05-191996-09-23
19971997-05-141997-10-20
19981998-04-201998-10-01
19991999-05-041999-09-26
20002000-04-122000-09-19
20012001-05-132001-09-17
20022002-04-132002-09-25
20032003-04-272003-09-16
20042004-04-192004-09-16
20052005-04-062005-09-12
20062006-04-302006-10-02
20072007-04-292007-09-22
20082008-04-292008-09-17
20092009-03-182009-09-26
20102010-05-012010-09-14
20112011-05-172011-08-31
20122012-05-032012-09-01
20142014-05-152014-09-10
20202020-04-302020-09-20
20212021-05-062021-10-01
20222022-04-102022-10-01
20232023-05-142023-09-19
20242024-05-102024-09-18
20252025-04-162025-08-24

Every Fixed Threshold

Fixed thresholds at Potou
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days241122024101
35 C (95 F): Days2440199749
40 C (104 F): Days5420234
90 F (32.2 C): Days2489202477
100 F (37.8 C): Days1715202315
0 C (32 F): Ice days (max242720011
0 C (32 F): Frost days (min23120199666
-10 C (14 F): Days with min221920055
20 C (68 F): Tropical nights (min2393202473
25 C (77 F): Days with min2323199727
10 mm (0.39 in): Days with 10 mm or more rain2324200915
25 mm (0.98 in): Days with 25 mm or more rain221220097
50 mm (1.97 in): Days with 50 mm or more rain18420002
100 mm (3.94 in): Days with 100 mm or more rain9220031
200 mm (7.87 in): Days with 200 mm or more rain1119981

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1996.

Download the Data

  • Data for Potou 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 (2025-12-31).